zero pulse

A static hysteresis loop test instrumentation is developed, detecting pulse peak by method of cross-zero of pulse peak after differential, acquiring data by microcontroller, displaying hysteresis loop by graphic LCD The test instrumentation has advantages of simple circuit, accurate measurement and visual result.

用脉冲峰值微分过零法检测峰值，单片机采集数据，图形液晶显示磁滞回线，研制静态磁滞回线测试仪，电路简洁，测量准确，结果直观。

The high frequency switch technology of large power is developed successfully by the perfect control of PWM ( Pulse Width Modulation) and ZCC ( Zero Current Control), ZVC ( Zero Voltage Control) in the unit.

通过PWM（脉宽调制）和ZCC（零电流控制）、ZVC（零电压控制）的完整控制，成功开发应用了大功率高频开关技术。

According to the data of the zero sequence pulse position, judge the starting and the ending point, establishing the pulse timing sequence, and then gave the data to analysis and process in the standard of d processing software of data. 3.

根据数据过零点的位置判断时序脉冲的起始和终止点，建立脉冲时序序列，然后把所得数据在标准数据分析处理软件中进行数据分析和处理。

The paper presents a novel ultra-audio frequency ( UAF) induction welding power based on ZCS-PWM ( Zero Current Switching-Pulse Width Modulation) technology.

介绍一种基于ZCS-PWM（零电流开关-脉宽调制）技术的新型超音频感应焊接电源。

This paper presents a zero-current transition ( ZCT ) pulse-width-modulation ( PWM ) dc-dc converter for battery chargers.

本论文提出一零电流转移脉波宽度调变蓄电池充电器.