... 关键词：直流可逆调速；数字触发；PWM；数字控制器；AT89C52 [gap=1810]Keywords,Reversible dc speed,Digital trigger,PWM,Digital controller,AT89C52 ...
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digital trigger circuit 数字式触发电路
full digital trigger 全数字触发
digital trigger system 数字触发系统
Digital trigger algorithm 数字触发器算法
full digital trigger technique 全数字触发
a new universal digital trigger 新型通用数字触发器
Digital phase-shift trigger 数字移相触发
digital-type trigger 数字式触发器
digital phase-shift trigger unit 数字移相触发单元
To aim at the defect of the simulate trigger and the digital trigger with microcomputer,a new universal digital trigger based on CPLD and PLL is introduced.
针对模拟触发器和基于微机控制的数字触发器存在的不足。
参考来源 - 带CPLD新型通用数字触发器的设计Data sampling and control algorithm realizing are completedin the upper level unit, and the digital trigger is built in the lower level unit.
其上层单元主要用来完成数据采样、滤波及控制算法的实现；下层单元主要为单片机实现的数字触发器。
参考来源 - 计算机控制直流调速系统设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
A digital trigger is formed by microcomputer and its interfacing circuits.
由微机及接口构成数字触发器。
An intelligent digital trigger is designed for large power SCR (Silicon Controlled Rectifier) unit.
设计了一种新型大功率晶闸管整流装置智能数字触发控制器。
The operation principle of the digital trigger circuit is described, and the results of experiment are given.
阐述了其工作原理，给出了整机实验结果。
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