In order to solve the lower measurement efficiency in traditional modulation profilometry, a fast modulation profilometry is proposed based on double color projections.

针对传统调制度轮廓术测量速度较慢的问题，本文提出了彩色双通道投影的调制度轮廓术。

youdao

The three-phase inverters with the conventional space-vector pulse width modulation (SVPWM) have fast dynamic response, but it is complex to be implemented and needs highly speed microprocessor.

基于传统空间矢量脉宽调制(SVPWM)控制的三相逆变器能够获得快速的动态响应，但实现复杂，需要高速微处理器。

youdao

Since the synchronization error is independent of information signal, the chaotic modulation for large amplitude and fast varying information signals can be achieved.

由于同步误差与信息信号无关，从而实现了大幅度、快时变信息信号的混沌调制通信。

youdao