Liner frequency modulating signal, phase coded and frequency coded signal are detected and recognized from all kinds of signals.
从多种信号中检测识别线性调频信号、相位编码信号、频率编码信号。
An all digital signal detecting system using C8051F060 as its core was completed. It can maintain the phase relation of sampling signal and modulating signal.
设计了以C8051F 060混合信号微控制器为核心的全数字信号检测系统，实现其采样信号和调制信号的相位关系保持。
To overcome the frequency offset between the mixing signal and modulating signal in PGC demodulation, an additional (A/D) channel in DSP system is used to sample the modulating signal.
针对PGC解调中混频信号与实际调制信号的频率偏差，在DSP系统实现中采用一路A/D转换器对调制信号进行同步采样，从而克服了频率偏差对解调结果的影响。
Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.
频率调制：载波的频率依照调校讯号的瞬时值而改变的一种调制。
Frequency modulation(FM): the form of modulation in which the frequency of the carrier is varied in accordance with the instantaneous value of the modulating signal.
频率调制：载波的频率依照调校讯号的瞬时值而改变的一种调制。
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