pulse coded modulation 中文意思是什麼
pulse coded modulation
解釋
脈沖編碼調制- pulse : n 1 脈搏；有節奏的跳動；【動物；動物學】脈沖（波）；脈動。2 意向；傾向。3 【音樂】拍子，律動。vi ...
- coded : 編成代碼的
- modulation : n 調整，調節；（聲調的）抑揚，變化；【音樂】轉調，變調；【無線電】調制。 amplitude modulation 振...
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Large time - band product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are one of key technologies for pulse compression radar systems
具有大時寬帶寬積的信號，如線性調頻信號、非線性調頻信號、相位編碼信號等是雷達應用脈沖壓縮技術的關鍵之一。 -
Pulse compression technique and large timeband product signals such as linear frequency modulation signals, nolinear frequency modulation signals, phase coded signals and so on are widely used in modern radar systems to improve the resolving power both in range and in speed domain
現代雷達為了提高雷達作用距離和速度分辨力、距離分辨力，廣泛採用了脈沖壓縮技術及大時寬帶脈壓信號如：線形調頻、非線形調頻、相位編碼信號等。 -
This dissertation mainly studies the pulse compression waveform designing and signal processing, including the following aspects : firstly, by the pulse compression basic theory, the linear frequency modulation signal ( lfm ), binary phase - coded signal ( bc ) and stepped - frequency ( sf ) signal are discussed respectively including the ambiguity function, pulse compression and spectrum characteristic
本文主要進行脈沖壓縮雷達波形設計以及信號處理方面的研究，主要體現在以下幾個方面:首先，從脈沖壓縮基本理論出發，分別給出了線性調頻、二相編碼和頻率步進信號的模糊函數、脈沖壓縮以及頻譜特性，對多普勒性能進行了簡要分析。 -
Pulse compression technique is widely used in modern radar systems. large timeband product signals such as linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ), phase coded signals and so on are used in pulse compression technique to improve the resolution in range domain
現代雷達系統廣泛採用脈沖壓縮技術，在確保雷達作用距離和速度分辨力的前提下，採用大時帶積脈沖壓縮信號:如線性調頻（ lfm ） 、非線性調頻（ nlfm ）和相位編碼信號等，提高距離分辨力。 -
Moreover, theory of the random pulse position modulation and random binary phase - coded ( rppm & rbpc ) pulse doppler is also discussed
在此基礎上，進一步討論了隨機脈位調制加隨機二相碼調相脈沖多普勒雷達原理。
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