异步电机矢量控制，微芯DSP,例子程序，液晶显示，空间矢量调制，带转速编码器,Vector control of induction motor, micro-core DSP, example of the procedure, liquid crystal display, space vector modulation with speed encoder

微带天线设计书籍 微带天线设计书籍-Microstrip antenna, microstrip antenna design book design book