1) pulse frequency discriminator
脉冲鉴频器
2) differential pulse counting discriminator
差分脉冲计数式鉴频器
1.
A differential pulse counting discriminator also helps decrease the power consumption of the ring-ADC.
运用延时环(或称环路压控振荡器)的电压-频率转换原理实现对电压信号的模数转换,提高了线性度,减小了工艺偏差;设计差分脉冲计数式鉴频器,降低了延迟环ADC功耗。
3) pulse discriminator,spike discriminator
脉冲鉴别器
4) pulse-counter frequency discrimination
脉冲计数式鉴频
1.
Based on the principle of the pulse-counter frequency discrimination and filter,a testing system which is used to test the FSK signal is designed by making using of MSP430.
本文通过分析移频信号的特性,针对铁路运行强干扰性的环境,利用脉冲计数式鉴频和滤波原理设计了一个基于MSP430的移频信号测试系统,实现了移频信号载波信号频率、低频调制信号频率和电压三项参数的测定。
5) pulse discriminator
脉冲鉴别器;脉冲甄别器
6) pulse-width discriminator
脉冲宽度鉴别器
1.
This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.
介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。
补充资料:鉴频器
鉴频器 frequency discriminator 使输出电压和输入信号频率相对应的电路。按用途分为两类:一类用于调频信号的解调,常见的有斜率鉴频器、相位鉴频器、比例鉴频器等,对这类电路的要求主要是非线性失真小,噪声门限低。另一类用于频率误差测量,如用在自动频率控制环路中产生误差信号的鉴频器。对这类电路的零点漂移限制较严,对非线性失真和噪声门限则要求低。斜率鉴频器的电路比较简单,但回路失谐时其谐振特性曲线不是直线,因而鉴频特性的线性较差。相位鉴频器鉴频特性的线性较好,鉴频灵敏度也较高。 |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条