GB2149256B - Phase measurement - Google Patents

Phase measurement

Info

Publication number: GB2149256B
Authority: GB; United Kingdom
Prior art keywords: phase measurement; measurement; phase
Prior art date: 1983-11-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB08420079A

Other versions

GB2149256A (en

GB8420079D0 (en

Inventor

Richard N Jekel

Wayne E Richards

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Cubic Western Data Corp

Original Assignee

Cubic Western Data Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1983-11-02

Filing date

1984-08-07

Publication date

1987-04-01

1984-08-07 Application filed by Cubic Western Data Corp filed Critical Cubic Western Data Corp

1984-09-12 Publication of GB8420079D0 publication Critical patent/GB8420079D0/en

1985-06-05 Publication of GB2149256A publication Critical patent/GB2149256A/en

1987-04-01 Application granted granted Critical

1987-04-01 Publication of GB2149256B publication Critical patent/GB2149256B/en

Status Expired legal-status Critical Current

Links

238000005259 measurement Methods 0.000 title 1

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
- G01S13/82—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted
- G01S13/84—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein continuous-type signals are transmitted for distance determination by phase measurement
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/034—Duplexers
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4021—Means for monitoring or calibrating of parts of a radar system of receivers

Landscapes

Engineering & Computer Science (AREA)
Radar, Positioning & Navigation (AREA)
Remote Sensing (AREA)
Computer Networks & Wireless Communication (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)

GB08420079A 1983-11-02 1984-08-07 Phase measurement Expired GB2149256B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US54798083A	1983-11-02	1983-11-02

Publications (3)

Publication Number	Publication Date
GB8420079D0 GB8420079D0 (en)	1984-09-12
GB2149256A GB2149256A (en)	1985-06-05
GB2149256B true GB2149256B (en)	1987-04-01

Family

ID=24186939

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08420079A Expired GB2149256B (en)	1983-11-02	1984-08-07	Phase measurement

Country Status (1)

Country	Link
GB (1)	GB2149256B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI98259C (en) *	1995-06-16	1997-05-12	Nokia Telecommunications Oy	Method and apparatus for providing a test loop to monitor the operation of a radio station

1984
- 1984-08-07 GB GB08420079A patent/GB2149256B/en not_active Expired

Also Published As

Publication number	Publication date
GB2149256A (en)	1985-06-05
GB8420079D0 (en)	1984-09-12

Legal Events

Date	Code	Title	Description
1994-04-06	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19930807

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