鉴别电路 meaning in English
discriminate circuit
discriminator circuit
Examples
- Amplitude discrimination circuit
振幅鉴别电路 - In the experimental system apd transferred laser pulse to weak electrical current . after two - level amplification we got a voltage pulse that had a enough amplitude to be applied , the timing point was discriminated by the constant - fraction timing discriminator circuit . timing circuits transferred the pulse flight time to digital signal accurately
实验系统采用apd作为光电传感器,将激光脉冲信号转变为微弱电流脉冲,经过两级放大后,信号变为幅度较大的电压脉冲,经过时点鉴别电路分别确定计时起点和终点后,由计时电路来精确测量两个时间点之间的时间间隔。 - First , delay window is used to reduce influence of pulse disturbance and signal amplitude to measurement result . second , according to the feature that width of receiving signal is wider than disturbing signal , width differentiation circuit is utilized to distinguish receiving signal and disturbing signal . third , most of digital circuits are integrated into isplsi ( in system programmable large scale integrated chip ) 1032 so as to simplify design and to develop the stability and reliability of the system
关于提高系统的稳定性和可靠性问题:一是采用了延迟窗口接收技术,以尽可能减小干扰脉冲对测量结果的影响;二是根据接收信号脉宽比干扰信号脉宽要宽的特点,采用脉宽鉴别电路来鉴别接收信号;三是用可编程大规模芯片isplsi1032对系统大部分的数字电路进行了集成化设计,达到既简化电路设计、又提高系统稳定性可靠性的目的。 - According to the present actual underground power system which neutral point is grounded through arc suppression coil in many supper big shaft , the development history and present situation of synthetic protection system used in hv flameproof switchgear are reviewed , and on the basis of analyzing the problems existed in high voltage flameproof switchgear , the selective leakage protective method based on the detecting harmonic direction of zero sequence current as well as the value of zero sequence voltage is proposed in this paper , and at the same time , harmonics extracting schematic and transforming circuit are also designed
本文深入系统地研究了基于intel80c196kb单片机控制的6kv防爆开关综合保护系统,主要内容如下:针对大型及特大型矿井供电系统中性点普遍采用消弧线圈接地方式的现状,回顾了国内外矿用高压防爆开关保护系统的发展历史,分析了目前国内高压馈电开关保护系统所存在的问题,提出了“基于零序电压基波启动,五次谐波功率方向比较”的选择性漏电保护原理,设计了相应的五次谐波提取电路和功率方向鉴别电路。