The article introduces the design thinking of mechanical and electronic soft start device, explains the working principle of driving system, and analyses the working process at different stages.
介绍了机械电子是软启动装置的设计思想，详述了传动系统的工作原理，分析了不同阶段的工作过程。
In this paper, according to the thinking of software radio, a PSK soft-modulation and soft-demodulation system based on audio-card and DSP is studied and implemented.
本文基于软件无线电的思想，研究并实现了以 多媒体计算机声卡和DSP为基本 硬件平台的PSK信号的软件调制解调。
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