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CN106959623B - Beidou-based ship hydrometeorological data transmission control system and method - Google Patents
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CN106959623B - Beidou-based ship hydrometeorological data transmission control system and method - Google Patents

Beidou-based ship hydrometeorological data transmission control system and method Download PDF

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CN106959623B
CN106959623B CN201710086559.4A CN201710086559A CN106959623B CN 106959623 B CN106959623 B CN 106959623B CN 201710086559 A CN201710086559 A CN 201710086559A CN 106959623 B CN106959623 B CN 106959623B
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hydrometeorological
module
ship
observation point
data
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CN106959623A (en
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马良荔
柳青
徐开来
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Naval University of Engineering PLA
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention relates to a kind of ship hydrometeorology data transfer control system based on Beidou, it includes hydrometeorological center and multiple hydrometeorological observations point, wherein, each hydrometeorological observation point is arranged on a corresponding ship, hydrometeorological center includes calculating control server, the first RDSS communication module and data server, and each hydrometeorological observation point includes RNSS locating module, the 2nd RDSS communication module, computing module, control module, the more element acquisition modules of hydrometeorology and ship status information acquisition module.The present invention can transmit frequency according to hydrometeorological information change amplitude and the density adjust automatically data of hydrometeorological observation point, Beidou message amount is reduced while hydrometeorological information change can be accurately reflected, to save energy consumption and valuable satellite communication bandwidth.

Description

Ship hydrometeorology data transfer control system and method based on Beidou
Technical field
The present invention relates to computer communication technology fields, and in particular to a kind of ship hydrometeorology data biography based on Beidou Defeated control system and method.
Background technique
As big-dipper satellite positioning (passes through RNSS, Radio Navigation Satellite Service, i.e. radio Navigation Satellite Service) and short message communication (by RDSS, Radio Determination Satellite Service, i.e., without Line electrometric determination satellite service) it is increasingly mature, more and more hydrometeorological observation stations using Beidou satellite communication realize the hydrology Meteorological data is transmitted, and especially those can not pass through the ground that conventional communication mode (wired, GPRS and VHF/UHF etc.) realizes communication Area, such as remote mountain areas, island, oil platform and ocean ship etc..Beidou RDSS communication is these regional hydrology gas of solution Image data returns provide solution in real time, so that the transmission of hydrometeorological data can not be limited by time and region.
The existing hydrometeorological observation equipment based on Beidou communication is all made of fixed intervals acquisition and the method for transmission (should Data transfer interval is greater than big-dipper satellite short message minimum communication interval).This transmission method is put interior to water at a fixed time Literary Meteorological Center sends the hydrometeorological data of the observation device.But if transmission time interval is short, observation device energy consumption Height, and occupy biggish Beidou communication channel；If sending interval length, the hydrology of the observation point possibly can not be accurately reflected Meteorology variation.In addition, since the position that geographical location limitation or utilizing ocean current may cause observation device changes, so that seeing Measurement equipment distribution geographically is simultaneously uneven, even if in this way, all devices send hydrometeorology also according to identical frequency Data.In short, it is existing based on Beidou communication observation device can neither according to hydrometeorological situation of change, can not be according to observation The density adjustment data of point transmit frequency.
Summary of the invention
The purpose of the present invention is to provide a kind of ship hydrometeorology data transfer control system and method based on Beidou, The system and method can be adaptive to adjust Beidou message data according to hydrometeorological situation of change and observation dot position information dynamic Frequency is sent, solving the prior art leads to that energy consumption is high, acquisition precision is low, acquisition because can not adaptively adjust data and send interval The technical problem of data controllability and real-time difference.
In order to solve the above technical problems, a kind of ship hydrometeorology Data Transmission Controlling based on Beidou disclosed by the invention System, it is characterised in that: it includes hydrometeorological center and multiple hydrometeorological observations point, wherein each hydrometeorological observation Point is arranged on a corresponding ship, and hydrometeorological center includes calculating control server, the first RDSS communication module sum number According to server, each hydrometeorological observation point includes RNSS locating module, the 2nd RDSS communication module, computing module, control Module, the more element acquisition modules of hydrometeorology and ship status information acquisition module；
The communication ends of the data server communication ends connection data server for calculating control server, calculate control clothes The RDSS terminals of business device connect the server terminals of the first RDSS communication module；
The RDSS terminals of computing module connect the calculating mould of the 2nd RDSS communication module in each hydrometeorological observation point Block terminals, the communication ends of the RNSS terminals connection RNSS locating module of computing module, the more element acquisition modules of hydrometeorology Communication ends link control module hydrometeorological data acquisition and hydrometeorological acquisition interval control interface, ship status information The ship status data acquisition and ship status acquisition interval control interface of the communication ends link control module of acquisition module, control The hydrometeorological data and ship's navigation number of hydrometeorological data and ship's navigation data output end the connection computing module of module According to input terminal；The Beidou message that the Beidou message of computing module sends interval output end link control module sends interval input End；
The first RDSS communication module communicates mould by the 2nd RDSS of big-dipper satellite and each hydrometeorological observation point Block wireless communication.
A kind of ship hydrometeorology data transmission method using above system, which is characterized in that it includes the following steps:
Step 1: in each hydrometeorological observation point, the more element acquisition modules of hydrometeorology acquire ocean tested region in real time Hydrographic information and weather information, ship status information acquisition module acquire tested ship's navigation data in real time；RNSS positioning mould Block carries out global positioning satellite to corresponding hydrometeorological observation point, and by the global positioning satellite number of corresponding hydrometeorological observation point According to being transferred to computing module；
Step 2: in each hydrometeorological observation point, control module acquires the hydrographic information and meteorological letter of ocean tested region Breath and tested ship's navigation data, and by the hydrographic information of collected ocean tested region and weather information and tested ship Oceangoing ship aeronautical data is transferred to corresponding computing module, and the computing module is according to ship's navigation data correction hydrometeorology collected Information, correcting mode are to be modified by the speed of a ship or plane and course of ship to the wind speed and direction in hydrometeorological information, are calculated Module compresses revised hydrometeorological information with the global positioning satellite data of corresponding hydrometeorological observation point using difference Method be packaged as Beidou message；
Step 3: in each hydrometeorological observation point, computing module sends interval for Beidou report according to preset primary data Text is sent to calculating control server by the 2nd RDSS communication module, big-dipper satellite and the first RDSS communication module, calculates control Beidou message is sent to data server by control server；
Step 4: calculating control server is respectively that each hydrometeorological observation point calculates new Beidou message transmission interval, The new Beidou message of each hydrometeorological observation point i sends interval TiIt calculates according to the following formula:
Ti=v1Ai+v2Bi
Wherein, AiAnd BiIt is to determine to send interval T respectivelyiHydrometeorological factor and geographic factor, v1For AiWeight, v2 For BiWeight；
The hydrometeorological factor A of hydrometeorological observation point iiIt is following to calculate:
Wherein, Δ TiIt is that the existing Beidou message of hydrometeorological observation point i sends interval, i.e. calculating control server receives Upper one of the hydrometeorological observation point i time difference for being recorded this record, Δ EijIt is one on i-th of hydrometeorological observation point The difference of j-th of Hydrometeorological Factors, w in item record and this recordjIt is the weight of the Hydrometeorological Factors, j=1 ..., N, n are Hydrometeorological Factors number；
Observation point i geographic factor BiIt is following to calculate:
Wherein, DikIt is the distance between hydrometeorological observation point i and hydrometeorological observation point k；
v2All it is fixed value for all hydrometeorological observation point i, being calculate by the following formula can obtain:
Wherein, min (Bi, i=1 ..., k) indicate the smallest B in all hydrometeorological observation pointsi, TminIndicate second The minimum interval of RDSS communication module transmission message；
wpAnd wqFor wjMeet respectively:
It enables:
In addition to wpAnd wqOutside, remaining wjValue remains unchanged；
v1It is a preset value for all hydrometeorological observation points, which makes all hydrometeorological observation points Transmission interval TiIn minimum interval TminWith largest interval TmaxBetween；
Step 5: if the new Beidou message of some hydrometeorological observation point send interval with the primary Beidou message sent It is not identical to send interval, then the calculating control server passes through the first RDSS communication module, big-dipper satellite and the 2nd RDSS communication New Beidou message is sent interval and is sent to corresponding computing module by module, and computing module receives new Beidou message and sends The Beidou message for updating itself is sent into interval behind interval, and new Beidou message is sent into interval and is sent to corresponding control mould Block, control module sends the more element acquisition modules of the corresponding hydrometeorology of interval adjustment according to new Beidou message and ship status is believed Cease the information collection interval of acquisition module, the information of the more element acquisition modules of the meteorology and ship status information acquisition module is adopted It is equal that collection interval sends interval with the Beidou message of synchronization always.
Basic principle of the invention is: controlling the more intensive position of hydrometeorological observation point by hydrometeorological central server Set Beidou message send frequency it is lower, information transmission frequency is lower at the time of hydrometeorological information change amplitude is lower.
The present invention can be according to the density adjust automatically data of hydrometeorological information change amplitude and hydrometeorological observation point Frequency is transmitted, Beidou message amount is reduced while hydrometeorological information change can be accurately reflected, to save energy consumption and treasured Expensive satellite communication bandwidth.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention；
Wherein, 1-hydrometeorological center, 1.1-calculate control server, the 1.2-the one RDSS communication module, 1.3- Data server, 2-hydrometeorological observation points, 2.1-RNSS locating modules, the 2.2-the two RDSS communication module, 2.3-meters Calculate module, 2.4-memory modules, 2.5-control modules, the more element acquisition modules of 2.6-hydrometeorologies, 2.7-ship status Information acquisition module.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
The present invention relates to a kind of ship hydrometeorology data transfer control system based on Beidou, as shown in Figure 1, it includes Hydrometeorological center 1 and multiple hydrometeorological observations point 2, wherein each hydrometeorological observation point 2 is arranged in a corresponding ship On oceangoing ship, hydrometeorological center 1 includes calculating control server 1.1, the first RDSS communication module 1.2 and data server 1.3, often A hydrometeorological observation point 2 includes RNSS locating module 2.1, the 2nd RDSS communication module 2.2, computing module 2.3, control mould Block 2.5, the more element acquisition modules 2.6 of hydrometeorology and ship status information acquisition module 2.7；
The communication ends of the data server communication ends connection data server 1.3 for calculating control server 1.1, calculate The RDSS terminals of control server 1.1 connect the server terminals of the first RDSS communication module 1.2；
The RDSS terminals of computing module 2.3 connect the 2nd RDSS communication module 2.2 in each hydrometeorological observation point 2 Computing module terminals, the communication ends of the RNSS terminals connection RNSS locating module 2.1 of computing module 2.3, hydrometeorology are more The hydrometeorological data acquisition of the communication ends link control module 2.5 of element acquisition module 2.6 and hydrometeorological acquisition interval control Interface processed, the ship status data acquisition and ship of the communication ends link control module 2.5 of ship status information acquisition module 2.7 Hydrometeorological data and ship's navigation the data output end connection of state acquisition Separation control interface, control module 2.5 calculate mould The hydrometeorological data and ship's navigation data input pin of block 2.3；The Beidou message of computing module 2.3 sends interval output end and connects The Beidou message for connecing control module 2.5 sends interval input terminal；
The first RDSS communication module 1.2 is logical by the 2nd RDSS of big-dipper satellite and each hydrometeorological observation point 2 It interrogates module 2.2 to wirelessly communicate, radiodetermination-satellite service, full name in English Radio Determination Satellite Service is to be positioned by way of sending short message to satellite, therefore can in messages include low volume data, reality It now communicates, advantage is broad covered area, and global surface theoretically may be implemented and cover without dead angle.
Each hydrometeorological observation point 2 further includes memory module 2.4, and the data storage end of computing module 2.3, which connects, to be corresponded to The communication ends of memory module 2.4.
In above-mentioned technical proposal, each more element acquisition modules 2.6 of hydrometeorology are used to acquire the water of ocean tested region Literary information and weather information；
Each ship status information acquisition module 2.7 is for acquiring corresponding tested ship's navigation data (such as course, speed of a ship or plane number According to)；
Each control module 2.5 is for exporting between corresponding hydrometeorological data acquisition intervals and the acquisition of ship's navigation data Every；
Each control module 2.5 is also used to transmit the hydrometeorological data obtained and ship to corresponding computing module 2.3 Aeronautical data.
Each RNSS locating module 2.1 is used to carry out global positioning satellite to corresponding hydrometeorological observation point 2, and by phase The global positioning satellite data for the hydrometeorological observation point 2 answered are transferred to computing module 2.3；RNSS full name in English Radio Navigation Satellite System, user realize positioning, no communication function, the U.S. by passively receiving satellite-signal GPS and the Beidou II of China belong to RNSS, advantage is that locating speed is fast, and equipment power dissipation is low, is not needed double with satellite To communication.
Each computing module 2.3 is used for according to corresponding ship's navigation data correction hydrometeorological information collected, and Revised hydrometeorological information is used to the side of difference compression with the global positioning satellite data of corresponding hydrometeorological observation point 2 Method is packaged as Beidou message.
Each 2nd RDSS communication module 2.2 is used to receive the Beidou message that corresponding computing module 2.3 transmits, and by Beidou Message gives the first RDSS communication module 1.2 by Beidou satellite transmission；
Each memory module 2.4 is for temporarily storing corresponding Beidou message.
In above-mentioned technical proposal, the first RDSS communication module 1.2 is used to receive the of each hydrometeorological observation point 2 The Beidou message that two RDSS communication modules 2.2 are come by Beidou satellite transmission, and Beidou message is transmitted to calculating control clothes Business device 1.1；
The calculating control server 1.1 calculates each hydrometeorological observation point 2 for Beidou message based on the received New Beidou message sends interval, and each new Beidou message is sent interval and passes through the first RDSS communication module 1.2 and the Two RDSS communication modules 2.2 feed back to corresponding computing module 2.3；
The data server 1.3 is used to store hydrometeorological data after the amendment of all hydrometeorological observation points 2.
A kind of ship hydrometeorology data transmission method using above system, it includes the following steps:
Step 1: in each hydrometeorological observation point 2, acquisition ocean is tested in real time for the more element acquisition modules 2.6 of hydrometeorology The hydrographic information and weather information in region, ship status information acquisition module 2.7 acquire tested ship's navigation data in real time；RNSS Locating module 2.1 carries out global positioning satellite to corresponding hydrometeorological observation point 2, and by the complete of corresponding hydrometeorological observation point 2 Ball satellite location data is transferred to computing module 2.3, and (hydrometeorological data include n Hydrometeorological Factors, such as atmospheric pressure, wind It to, ocean temperature and atmospheric temperature etc., is indicated with E)；
Step 2: in each hydrometeorological observation point 2, the hydrographic information that control module 2.5 acquires ocean tested region is gentle Image information and tested ship's navigation data, and by the hydrographic information of collected ocean tested region and weather information and by It surveys ship's navigation data and is transferred to corresponding computing module 2.3, which is acquired according to ship's navigation data correction Hydrometeorological information, correcting mode is to be carried out by the speed of a ship or plane of ship and course to the wind speed and direction in hydrometeorological information Amendment, computing module 2.3 is by the global positioning satellite data of revised hydrometeorological information and corresponding hydrometeorological observation point 2 Beidou message is packaged as using the method that difference is compressed, being stored in memory module 2.4, (global positioning satellite data are initially used for seeing Measuring point positioning because acquisition hydrometeorological information need to know acquisition be where the data of position；Secondly it is calculating each Need to know the position of all observation points when the hydrometeorological information of observation point.)；
Step 3: in each hydrometeorological observation point 2, computing module 2.3 sends interval according to preset primary data will be northern Bucket message is sent to calculating control service by the 2nd RDSS communication module 2.2, big-dipper satellite and the first RDSS communication module 1.2 Device 1.1 calculates control server 1.1 for Beidou message and is sent to data server 1.3；
Step 4: calculating control server 1.1 is respectively that each hydrometeorological observation point 2 calculates new Beidou message transmission Interval, the new Beidou message of each hydrometeorological observation point i send interval TiIt calculates according to the following formula:
Ti=v1Ai+v2Bi
Wherein, AiAnd BiIt is to determine to send interval T respectivelyiHydrometeorological factor and geographic factor, the vigour of style as variation get over Greatly, AiValue is bigger, geographically more sparse observation point BiIt is worth bigger, v1For AiWeight, v2For BiWeight；
The hydrometeorological factor A of hydrometeorological observation point iiIt is following to calculate:
Wherein, Δ TiIt is that the existing Beidou message of hydrometeorological observation point i sends interval, that is, calculates control server 1.1 The time difference of this record, Δ E is recorded in upper one of the hydrometeorological observation point i receivedijIt is i-th of hydrometeorological observation point The difference of j-th of Hydrometeorological Factors, w in a upper record and this recordjIt is the weight of the Hydrometeorological Factors, j= 1 ..., n, n are Hydrometeorological Factors number；
Observation point i geographic factor BiIt is following to calculate:
Wherein, DikIt is the distance between hydrometeorological observation point i and hydrometeorological observation point k；
v2All it is fixed value for all hydrometeorological observation point i, being calculate by the following formula can obtain:
Wherein, min (Bi, i=1 ..., k) indicate the smallest B in all hydrometeorological observation pointsi, TminIndicate second The minimum interval of the transmission message of RDSS communication module 2.2；
wpAnd wqFor wjMeet respectively:
It enables:
In addition to wpAnd wqOutside, remaining wjValue remains unchanged；
wjShared n, be w respectively1...wn(wpAnd wqAlso wherein), correspond to formulaAlso there are n, It is respectivelyIt is maximum in n formula to beWherein correspond to WjIt is exactly wp, the smallest in n formula to beWherein corresponding wjIt is exactly wq；
v1It is a preset value for all hydrometeorological observation points 2, which makes all hydrometeorological observations The transmission interval T of point 2iIn minimum interval TminWith largest interval TmaxBetween；
Step 5: if the new Beidou message of some hydrometeorological observation point 2 send interval with the primary Beidou message sent It is not identical to send interval, then the calculating control server 1.1 passes through the first RDSS communication module 1.2, big-dipper satellite and second New Beidou message is sent interval and is sent to corresponding computing module 2.3 by RDSS communication module 2.2, and computing module 2.3 receives The Beidou message for updating itself is sent into interval after sending interval to new Beidou message, and new Beidou message is sent into interval It is sent to corresponding control module 2.5, control module 2.5 is more according to the new corresponding hydrometeorology of Beidou message transmission interval adjustment The information collection interval of element acquisition module 2.6 and ship status information acquisition module 2.7, the more element acquisition modules of meteorology 2.6 and ship status information acquisition module 2.7 information collection interval always with the Beidou message of synchronization send interval phase Deng.
In above-mentioned technical proposal, the meteorological element in the Hydrometeorological Factors includes temperature, humidity, atmospheric pressure, drop Water, wind speed, wind direction, visibility and PM2.5；Hydrographic features include the depth of water, water temperature, seawater salinity, ocean current type, seawater face Color, seawater transparency.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.

Claims (7)

1.一种利用基于北斗的船舶水文气象数据传输控制系统的船舶水文气象数据传输方法，基于北斗的船舶水文气象数据传输控制系统包括水文气象中心(1)和多个水文气象观测点(2)，其中，每个水文气象观测点(2)设置在一艘对应的船舶上，水文气象中心(1)包括计算控制服务器(1.1)、第一RDSS通讯模块(1.2)和数据服务器(1.3)，每个水文气象观测点(2)均包括RNSS定位模块(2.1)、第二RDSS通讯模块(2.2)、计算模块(2.3)、控制模块(2.5)、水文气象多要素采集模块(2.6)和船舶状态信息采集模块(2.7)；1. A ship hydrometeorological data transmission method using a Beidou-based ship hydrometeorological data transmission control system, the Beidou-based ship hydrometeorological data transmission control system comprising a hydrometeorological center (1) and a plurality of hydrometeorological observation points (2) , wherein each hydrometeorological observation point (2) is set on a corresponding ship, and the hydrometeorological center (1) includes a calculation control server (1.1), a first RDSS communication module (1.2) and a data server (1.3), Each hydrometeorological observation point (2) includes an RNSS positioning module (2.1), a second RDSS communication module (2.2), a calculation module (2.3), a control module (2.5), a hydrometeorological multi-element acquisition module (2.6) and a ship Status information collection module (2.7); 所述计算控制服务器(1.1)的数据服务器通信端连接数据服务器(1.3)的通信端，计算控制服务器(1.1)的RDSS接线端连接第一RDSS通讯模块(1.2)的服务器接线端；The data server communication terminal of the computing control server (1.1) is connected to the communication terminal of the data server (1.3), and the RDSS terminal of the computing control server (1.1) is connected to the server terminal of the first RDSS communication module (1.2); 每个水文气象观测点(2)中计算模块(2.3)的RDSS接线端连接第二RDSS通讯模块(2.2)的计算模块接线端，计算模块(2.3)的RNSS接线端连接RNSS定位模块(2.1)的通信端，水文气象多要素采集模块(2.6)的通信端连接控制模块(2.5)的水文气象数据获取及水文气象采集间隔控制接口，船舶状态信息采集模块(2.7)的通信端连接控制模块(2.5)的船舶状态数据获取及船舶状态采集间隔控制接口，控制模块(2.5)的水文气象数据及船舶航行数据输出端连接计算模块(2.3)的水文气象数据及船舶航行数据输入端；计算模块(2.3)的北斗报文发送间隔输出端连接控制模块(2.5)的北斗报文发送间隔输入端；The RDSS terminal of the calculation module (2.3) in each hydrometeorological observation point (2) is connected to the calculation module terminal of the second RDSS communication module (2.2), and the RNSS terminal of the calculation module (2.3) is connected to the RNSS positioning module (2.1) The communication terminal of the hydrometeorological multi-element acquisition module (2.6) is connected to the hydrometeorological data acquisition and hydrometeorological acquisition interval control interfaces of the control module (2.5), and the communication terminal of the ship status information acquisition module (2.7) is connected to the control module (2.7). 2.5) of the ship state data acquisition and ship state collection interval control interface, the hydrometeorological data and ship navigation data output terminals of the control module (2.5) are connected to the hydrometeorological data and ship navigation data input terminals of the calculation module (2.3); The Beidou message sending interval output end of 2.3) is connected to the Beidou message sending interval input end of the control module (2.5); 所述第一RDSS通讯模块(1.2)通过北斗卫星与每个水文气象观测点(2)的第二RDSS通讯模块(2.2)无线通信；The first RDSS communication module (1.2) wirelessly communicates with the second RDSS communication module (2.2) of each hydrometeorological observation point (2) through the Beidou satellite; 其特征在于，船舶水文气象数据传输方法，包括如下步骤：It is characterized in that, the ship hydrometeorological data transmission method comprises the following steps: 步骤1：每个水文气象观测点(2)中，水文气象多要素采集模块(2.6)实时采集海洋被测区域的水文信息和气象信息，船舶状态信息采集模块(2.7)实时采集被测船舶航行数据；RNSS定位模块(2.1)对相应水文气象观测点(2)进行全球卫星定位，并将相应水文气象观测点(2)的全球卫星定位数据传输给计算模块(2.3)；Step 1: In each hydrometeorological observation point (2), the hydrometeorological multi-element acquisition module (2.6) collects the hydrological and meteorological information of the marine measured area in real time, and the ship state information collection module (2.7) collects the navigation of the measured ship in real time data; the RNSS positioning module (2.1) performs global satellite positioning on the corresponding hydrometeorological observation point (2), and transmits the global satellite positioning data of the corresponding hydrometeorological observation point (2) to the calculation module (2.3); 步骤2：每个水文气象观测点(2)中，控制模块(2.5)采集海洋被测区域的水文信息和气象信息以及被测船舶航行数据，并将采集到的海洋被测区域的水文信息和气象信息以及被测船舶航行数据传输给对应的计算模块(2.3)，该计算模块(2.3)根据船舶航行数据修正所采集的水文气象信息，修正方式为通过船舶的航速和航向对水文气象信息中的风速和风向进行修正，计算模块(2.3)将修正后的水文气象信息与对应水文气象观测点(2)的全球卫星定位数据采用差值压缩的方法打包为北斗报文；Step 2: In each hydrometeorological observation point (2), the control module (2.5) collects the hydrological information and meteorological information of the marine measured area and the navigation data of the measured ship, and compares the collected hydrological information and The meteorological information and the measured ship's navigation data are transmitted to the corresponding calculation module (2.3), and the calculation module (2.3) corrects the collected hydro-meteorological information according to the ship's navigation data. The calculation module (2.3) packs the corrected hydrometeorological information and the global satellite positioning data of the corresponding hydrometeorological observation point (2) into a Beidou message by means of difference compression; 步骤3：每个水文气象观测点(2)中，计算模块(2.3)根据预设的初始数据发送间隔将北斗报文通过第二RDSS通讯模块(2.2)、北斗卫星和第一RDSS通讯模块(1.2)发送给计算控制服务器(1.1)，计算控制服务器(1.1)将北斗报文发送给数据服务器(1.3)；Step 3: In each hydrometeorological observation point (2), the calculation module (2.3) sends the Beidou message through the second RDSS communication module (2.2), the Beidou satellite and the first RDSS communication module (2.2) according to the preset initial data transmission interval. 1.2) Send to the computing control server (1.1), and the computing control server (1.1) sends the Beidou message to the data server (1.3); 步骤4：计算控制服务器(1.1)分别为每个水文气象观测点(2)计算新的北斗报文发送间隔，每个水文气象观测点i的新北斗报文发送间隔Ti根据如下公式计算：Step 4: The calculation control server (1.1) calculates the new Beidou message sending interval for each hydrometeorological observation point (2) respectively, and the new Beidou message sending interval T i of each hydrometeorological observation point i is calculated according to the following formula: Ti＝v1Ai+v2Bi T i =v 1 A i +v 2 B i 其中，Ai和Bi分别是决定发送间隔Ti的水文气象因素和地理因素，v1为Ai的权值，v2为Bi的权值；Among them, A i and B i are the hydrometeorological and geographical factors that determine the transmission interval T i respectively, v 1 is the weight of A i , and v 2 is the weight of B i ; 水文气象观测点i的水文气象因素Ai如下计算：The hydrometeorological factor A i of the hydrometeorological observation point i is calculated as follows: 其中，ΔTi是水文气象观测点i现有的北斗报文发送间隔，即计算控制服务器(1.1)收到的水文气象观测点i的上一条记录到这条记录的时间差，ΔEij是第i个水文气象观测点上一条记录和这一条记录中第j个水文气象要素的差值，wj是该水文气象要素的权值，j＝1，…，n，n为水文气象要素个数；Among them, ΔT i is the existing Beidou message sending interval of the hydrometeorological observation point i, that is, the time difference from the previous record of the hydrometeorological observation point i received by the calculation control server (1.1) to this record, ΔE ij is the i-th The difference between the previous record of a hydrometeorological observation point and the jth hydrometeorological element in this record, w j is the weight of the hydrometeorological element, j=1, ..., n, n is the number of hydrometeorological elements; 观测点i地理因素Bi如下计算：The geographical factor B i of the observation point i is calculated as follows: 其中，Dik是水文气象观测点i与水文气象观测点k之间的距离；Among them, Dik is the distance between the hydrometeorological observation point i and the hydrometeorological observation point k; v2对于所有水文气象观测点i都是固定值，通过下式计算可得：v 2 is a fixed value for all hydrometeorological observation points i, which can be calculated by the following formula: 其中，min(Bi,i＝1,...k,)表示所有水文气象观测点中最小的Bi，Tmin表示第二RDSS通讯模块(2.2)发送报文的最小间隔；Wherein, min(B i , i=1,...k,) represents the smallest B i among all the hydrometeorological observation points, and T min represents the minimum interval of the message sent by the second RDSS communication module (2.2); wp和wq为wj分别满足：w p and w q satisfy w j respectively: 令：make: 除了wp和wq外，其余的wj值保持不变；Except for w p and w q , the rest of the w j values remain unchanged; v1对于所有的水文气象观测点(2)是一个预设值，该预设值使得所有水文气象观测点(2)的发送间隔Ti处于最小间隔Tmin和最大间隔Tmax之间；v 1 is a preset value for all hydrometeorological observation points (2), and the preset value makes the transmission interval T i of all hydrometeorological observation points (2) between the minimum interval T min and the maximum interval T max ; 步骤5：如果某个水文气象观测点(2)新的北斗报文发送间隔与与原发送的北斗报文发送间隔不相同，则该计算控制服务器(1.1)通过第一RDSS通讯模块(1.2)、北斗卫星和第二RDSS通讯模块(2.2)将新的北斗报文发送间隔发送给对应的计算模块(2.3)，计算模块(2.3)接收到新的北斗报文发送间隔后将更新自身的北斗报文发送间隔，并将新的北斗报文发送间隔发送给对应的控制模块(2.5)，控制模块(2.5)根据新的北斗报文发送间隔调整对应水文气象多要素采集模块(2.6)和船舶状态信息采集模块(2.7)的信息采集间隔，所述气象多要素采集模块(2.6)和船舶状态信息采集模块(2.7)的信息采集间隔始终与同一时刻的北斗报文发送间隔相等。Step 5: If the new BeiDou message sending interval of a hydrometeorological observation point (2) is different from that of the original BeiDou message sending interval, the computing control server (1.1) communicates through the first RDSS communication module (1.2) , the Beidou satellite and the second RDSS communication module (2.2) send the new Beidou message sending interval to the corresponding computing module (2.3), and the computing module (2.3) will update its Beidou message after receiving the new Beidou message sending interval message sending interval, and send the new Beidou message sending interval to the corresponding control module (2.5), and the control module (2.5) adjusts the corresponding hydrometeorological multi-element acquisition module (2.6) and the ship according to the new Beidou message sending interval The information collection interval of the status information collection module (2.7), the information collection interval of the meteorological multi-element collection module (2.6) and the ship status information collection module (2.7) is always equal to the Beidou message sending interval at the same time. 2.根据权利要求1所述的船舶水文气象数据传输方法，其特征在于：每个水文气象观测点(2)还包括存储模块(2.4)，计算模块(2.3)的数据存储端连接对应存储模块(2.4)的通信端。2. ship hydrometeorological data transmission method according to claim 1 is characterized in that: each hydrometeorological observation point (2) also comprises a storage module (2.4), and the data storage end of the calculation module (2.3) is connected to the corresponding storage module (2.4) the communication side. 3.根据权利要求1所述的船舶水文气象数据传输方法，其特征在于：每个水文气象多要素采集模块(2.6)用于采集海洋被测区域的水文信息和气象信息；3. ship hydrometeorological data transmission method according to claim 1 is characterized in that: each hydrometeorological multi-element acquisition module (2.6) is used to collect the hydrological information and meteorological information of the marine measured area; 每个船舶状态信息采集模块(2.7)用于采集对应被测船舶航行数据；Each ship state information collection module (2.7) is used to collect the navigation data of the corresponding ship under test; 每个控制模块(2.5)用于输出对应的水文气象数据采集间隔和船舶航行数据采集间隔；Each control module (2.5) is used to output the corresponding hydrometeorological data collection interval and ship navigation data collection interval; 每个控制模块(2.5)还用于向对应的计算模块(2.3)传输获取的水文气象数据和船舶航行数据。Each control module (2.5) is also used to transmit the acquired hydrometeorological data and ship navigation data to the corresponding calculation module (2.3). 4.根据权利要求3所述的船舶水文气象数据传输方法，其特征在于：每个RNSS定位模块(2.1)用于对相应的水文气象观测点(2)进行全球卫星定位，并将相应的水文气象观测点(2)的全球卫星定位数据传输给计算模块(2.3)；4. ship hydrometeorological data transmission method according to claim 3 is characterized in that: each RNSS positioning module (2.1) is used to carry out global satellite positioning to corresponding hydrometeorological observation point (2), and corresponding hydrometeorological The global satellite positioning data of the meteorological observation point (2) is transmitted to the calculation module (2.3); 每个计算模块(2.3)用于根据对应的船舶航行数据修正所采集的水文气象信息，并将修正后的水文气象信息与对应水文气象观测点(2)的全球卫星定位数据采用差值压缩的方法打包为北斗报文。Each calculation module (2.3) is used to correct the collected hydrometeorological information according to the corresponding ship navigation data, and use difference compression between the corrected hydrometeorological information and the global satellite positioning data of the corresponding hydrometeorological observation point (2). The method is packaged as a Beidou message. 每个第二RDSS通讯模块(2.2)用于接收对应计算模块(2.3)传输的北斗报文，并将北斗报文通过北斗卫星传输给第一RDSS通讯模块(1.2)；Each second RDSS communication module (2.2) is used to receive the Beidou message transmitted by the corresponding computing module (2.3), and transmit the Beidou message to the first RDSS communication module (1.2) through the Beidou satellite; 5.根据权利要求2所述的船舶水文气象数据传输方法，其特征在于：每个存储模块(2.4)用于临时存储相应的北斗报文。5. The ship hydrometeorological data transmission method according to claim 2, characterized in that: each storage module (2.4) is used to temporarily store corresponding Beidou messages. 6.根据权利要求1所述的船舶水文气象数据传输方法，其特征在于：所述第一RDSS通讯模块(1.2)用于接收各个水文气象观测点(2)的第二RDSS通讯模块(2.2)通过北斗卫星传输过来的北斗报文，并将北斗报文转发给计算控制服务器(1.1)；6. The ship hydrometeorological data transmission method according to claim 1, wherein the first RDSS communication module (1.2) is used to receive the second RDSS communication module (2.2) of each hydrometeorological observation point (2) The Beidou message transmitted by the Beidou satellite, and the Beidou message is forwarded to the computing control server (1.1); 所述计算控制服务器(1.1)用于根据接收的北斗报文计算各个水文气象观测点(2)的新的北斗报文发送间隔，并将各个新的北斗报文发送间隔通过第一RDSS通讯模块(1.2)和第二RDSS通讯模块(2.2)反馈给对应的计算模块(2.3)；The computing control server (1.1) is used to calculate the new Beidou message sending interval of each hydrometeorological observation point (2) according to the received Beidou message, and pass each new Beidou message sending interval through the first RDSS communication module (1.2) and the second RDSS communication module (2.2) are fed back to the corresponding calculation module (2.3); 所述数据服务器(1.3)用于存储所有水文气象观测点(2)的修正后水文气象数据。The data server (1.3) is used for storing the corrected hydrometeorological data of all the hydrometeorological observation points (2). 7.根据权利要求1所述的船舶水文气象数据传输方法，其特征在于：所述水文气象要素中的气象要素包括温度、湿度、大气压强、降水量、风速、风向、能见度和PM2.5；水文要素包括水深、水温、海水盐度、海流类型、海水颜色、海水透明度。7. The ship hydrometeorological data transmission method according to claim 1, wherein the meteorological elements in the hydrometeorological elements include temperature, humidity, atmospheric pressure, precipitation, wind speed, wind direction, visibility and PM2.5; Hydrological elements include water depth, water temperature, seawater salinity, current type, seawater color, and seawater transparency.
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