Two kinds of typical wideband signal, Frequency Modulation (FM) signal and Frequency Spread signal, is analyzed qualitatively with wideband Ambiguity Function.

以宽带模糊度函数为工具定性地分析了两类典型宽带信号，即调频信号和频率分集信号。

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The arithmetic formulas for sine wave, linear frequency modulation signal, V-style frequency modulation signal, white noise signal, reverberation signal and echo signal are given by their definition.

根据信号类型的定义，给出了正弦信号、线性调频信号、V型调频信号、白噪声、混响和回波信号的合成公式。

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The function of the system is to acquire signal, communicate with PC, generate the frequency modulation signal, control detector's work mode.

系统具备对信号的采集、信号的实时处理、与PC机串口通信、产生变频调制信号及控制探测器主被动模式转换等功能。

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