cosine modulationとは 意味・読み方・使い方

The signal converting circuit 3 is provided with both a reference signal oscillator for outputting reference signals S5 of a prescribed period and a prescribed waveform and a balanced modulator 6 for performing amplitude modulation on the reference signals S5 by the sine-wave signals S1 and the cosine-wave signals S2 and generating and outputting sine-wave balanced modulation signals S1' and cosine-wave balanced modulation signals S2'.例文帳に追加

信号変換回路３は、所定の周期および波形のリファレンス信号Ｓ５を出力するリファレンス信号発振器と、リファレンス信号Ｓ５を正弦波信号Ｓ１および余弦波信号Ｓ２でそれぞれ振幅変調して、正弦波平衡変調信号Ｓ１’および余弦波変調信号Ｓ２’を生成して出力する平衡変調器６とを備えている。 - 特許庁

A cosine modulation filter bank DWMT MOD of the transmitter TX demodulates the waveform from the received pulse amplitude modulation symbol, combining of a couple of the received pulse amplitude modulation symbols forms the received orthogonal amplitude modulation symbol, which is divided by a prescribed transmitted pulse amplitude modulation symbol which is regarded as a form in pair with the transmitted orthogonal amplitude modulation symbol.例文帳に追加

受信器ＲＸでは、受信パルス振幅変調シンボルは、余弦変調フィルタバンクＤＷＭＴ ＤＥＭＯＤによってその波形から復調され、受信パルス振幅変調シンボルの対を組み合わせて受信直交振幅変調シンボルを形成し、受信直交振幅変調シンボルは、送信直交振幅変調シンボルの対の形と見なされる送信した所定のパルス振幅変調シンボルによって分割される。 - 特許庁

A linearly synthesized signal obtained from a sine phase modulation signal to compensate the third-order dispersion of the optical fiber 16 and the cosine phase modulation signal to compensate the fourth-order dispersion together with the order-order dispersion is applied to the phase modulator 13.例文帳に追加

光ファイバ１６の３次分散を補償する正弦位相変調信号と、４次分散を、２次分散と共同して補償する余弦位相変調信号とを線形合成したものが、位相調整１３に印加される。 - 特許庁

A modulation signal is digitally converted by an A/D converter 27 and digital output is multiplied by a sine signal and a cosine signal of a reference signal by multiplying parts 41 and 46.例文帳に追加

変調信号をＡ／Ｄ変換器２７でデジタル変換し、デジタル出力を乗算部４１及び４６により基準信号の正弦信号及び余弦信号と乗算する。 - 特許庁

Each multiplication output is processed by LPFs 42 and 47, multiplied by a sine signal and a cosine signal of a reference carrier wave signal and balanced modulation is performed to it by the next multiplying parts 43 and 48.例文帳に追加

それぞれの乗算出力はＬＰＦ４２及び４７で処理され、次の乗算部４３及び４８により基準搬送波信号の正弦信号及び余弦信号と乗算、平衡変調する。 - 特許庁

A coding device 12 applies coding having the large number of prediction modes, such as MPEG 4 AVC having orthogonal cosine modulation as the main function to an input image signal (image to be coded) VIN from an input terminal 11.例文帳に追加

符号化器１２は、入力端子１１からの入力画像信号（被符号化画像）VINに直交余弦変換を主機能とする、例えばＭＰＥＧ４ ＡＶＣのような予測モードの多い符号化処理を施す。 - 特許庁

First and second quadrature modulators 109 and 110 apply quadrature modulation to Nyquist signals to which a delay difference as long as a 2/4 symbol term is applied, by using, as a carrier, a cosine wave in an odd-multiple frequency of a fundamental frequency that the Nyquist signal has.例文帳に追加

第１及び第２の直交変調器１０９、１１０は、それぞれシンボル周期の２／４周期の遅延差が与えられたナイキスト信号同士を、ナイキスト信号のもつ基本周波数の奇数倍の周波数のコサイン波を搬送波として用いて直交変調する。 - 特許庁

Moreover, a phase difference signal is outputted from a complex arithmetic output signal, this phase difference signal is delayed by one symbol, and a detection signal denoting a period of phase modulation for a lowest transmission rate is outputted resulting from applying cosine absolute value arithmetic operation to a phase difference between a phase signal and the phase difference signal delayed by one symbol.例文帳に追加

更に、複素演算出力信号から位相差信号を出力し、この位相差信号を１シンボル遅延して位相信号との位相差を検出してコサイン絶対値演算した最低速伝送の位相変調の期間を示す検出信号を出力する。 - 特許庁