This time the signalgenerator 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。
2
Based on the theory, DDS is realized with CPLD through program and the design of sweep signalgenerator 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。
3
Developing the signalgenerator 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...