能实现步进电机稳定工作在正反转及各个转速控制，并实现可视化控制(Stepping motor can achieve stability in the positive and negative and speed control, and to achieve visual control)

德国声纳数字DSP效果器调试程序 数字影院与音频一体处理 HDMI音频解析

This setup illustrates the principle of coherent detection and digital signal processing (DSP) for a coherent 112Gb/s QPSK signal. The system performance is limited by noise (added in front of the receiver), chromatic dispersion and PMD (taking place