This time the signal generator and more software-based, is essentially a microprocessor on the DAC program control, you can get all kinds of simple wave.

这时期的信号发生器多以软件为主，实质是采用微处理器对DAC的程序控制，就可以得到各种简单的波形。

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Based on the theory, DDS is realized with CPLD through program and the design of sweep signal generator is finished. And the system will have high price performance ratio.

基于此理论，本文用CPLD通过编程实现DDS，完成了扫频信号发生器的设计，此系统具有很高的性价比。

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Developing the signal generator simulating the skating time control and the software program is the emphases in a question for discussion, this research solves the debugging need in the cont...

研制模拟速滑计时控制器的信号发生器及其软件程序，是课题研究阶段的重点，研究解决了对速滑记圈器主控制板的调试需要。

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