成功地实现了汉宁窗、高斯窗调制的任意频率单音频信号的产生，达到了任意波形发生器的功能。
The real arbitrary waveform generator that can generate single acoustic frequency signal modulated by Manning window and Gaussian window is developed.
同时还出现了可用来测量脉冲电路或用作脉冲调制器的脉冲信号发生器。
At the same time there also can be used to measure pulse circuit or pulse modulator for the pulse generator.
为了LD调制信号的需要，文章设计了基于NE555和74ls123的信号发生器。
A signal generator based on NE555 and 74ls123 was designed, which will be used as LD modulation signal.
信号发生器完成对原始信号的编码、滤波以及调制；
The function of the signal transmitter is encoding, filtering and modulating the signal.
信号发生器完成对原始信号的编码、滤波以及调制；
The function of the signal transmitter is encoding, filtering and modulating the signal.
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