The basic principles of phase-shifting control,DSP for power control,CPLD for digital lock-in are described.
叙述了移相控制的基本原理,DSP用于功率控制,CPLD用于数字锁相。
参考来源 - 基于DSP+CPLD移相控制逆变电源的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The digital lock-in technique is used to rather extract the effective signal from the noise and reduce the measurement error.
采用数字锁相技术从噪声中提取有效信号，以减小测量误差。
Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.
设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。
A measurement system for gas dynamic concentrations based on TDLAS was constructed by using an auto-balanced photo receiver and a digital lock-in amplifier.
基于自平衡激光接收器和数字锁定放大器构造了TDLAS汽车尾气动态浓度测量系统。
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