reversible counter meaning in English
可逆计数器, 双向计数器
正反计数器
Examples
- The standard sine waveform is generated by looking up the sine table , and the triangular carrier waveform is produced by a reversible counter
Spwm信号的产生采用正弦波与三角载波比较的方法，标准正弦波采用查表法实现，三角载波用可逆计数器实现。 - Compared with digital integrator composed of reversible counter , the trapezoidal formula digital integrator is utilized in integrating element of phase - lock controller , it has advantages in simple realization , fast transient response , wide lock range , insensitivity to disturbance
对锁相控制的积分环节采用了梯形公式数字积分器，与可逆计数器构成的数字积分器相比，梯形公式数字积分器具有实现简单、动态响应快、入锁范围大、抗扰动能力强等优点。 - In its digital processing circuit , clock chip with high precision and temperature compensation is uesd as reference clock . high frequency reversible counter is used to count trimmed impulse signal forward or backward and two pathes saw signals are selected timely by multichannel selector
数字信号处理电路采用高精度、具有温度补偿的时钟芯片作为基准时钟，采用高频可逆计数器对整形后的脉冲信号进行正向或逆向计数，采用高性能的多路选择器控制两路saw信号的定时选择。 - Therefore , the three fundamentals required to obtain high precise measurements are : 1 ) frequency stability and frequency difference stability of the double - frequency laser source as well as the stable equivalent length of bore ; 2 ) the measuring beam and the reference beam are placed very co - axially ; 3 ) capability of recording the sub - division of the period of phase change and a reversible counter system
因而干涉仪系统达到高精度的基础是：频率及频差稳定的双频激光源、稳定的等效腔长；测量光与参考光合光后有很高同轴度的光路结构；能可靠记录相位差变化周期数的细分及可逆计数系统三部分。