固定而载波频率随调变信号(modulating signal)之波幅而变化,在任何瞬间时刻被调变信号频率称为 瞬间频率 ( instantaneous frequency ), 瞬间频率 等于固定载波频率,加或减某数...
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其包含一个干净的参考时脉(input signal)、一个作为干扰源的调变讯号(modulating signal)和相位调变电路(phase modulator),借由杂讯去改变理想时脉转态点实现抖动产生。
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Continuous-Chaos Frequency-Modulating Signal 连续混沌调频信号
signal modulating mechanism 信号调节机制
effect of signal modulating noise 信号调制噪声效应
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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。
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