- 可逆計數(shù)器, 雙向計數(shù)器
- 正反計數(shù)器
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reversible counter中文什么意思
例句與用法
- The standard sine waveform is generated by looking up the sine table , and the triangular carrier waveform is produced by a reversible counter
Spwm信號的產(chǎn)生采用正弦波與三角載波比較的方法，標準正弦波采用查表法實現(xiàn)，三角載波用可逆計數(shù)器實現(xiàn)。 - 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
對鎖相控制的積分環(huán)節(jié)采用了梯形公式數(shù)字積分器，與可逆計數(shù)器構(gòu)成的數(shù)字積分器相比，梯形公式數(shù)字積分器具有實現(xiàn)簡單、動態(tài)響應快、入鎖范圍大、抗擾動能力強等優(yōu)點。 - 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
數(shù)字信號處理電路采用高精度、具有溫度補償?shù)臅r鐘芯片作為基準時鐘，采用高頻可逆計數(shù)器對整形后的脈沖信號進行正向或逆向計數(shù)，采用高性能的多路選擇器控制兩路saw信號的定時選擇。 - 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
因而干涉儀系統(tǒng)達到高精度的基礎是：頻率及頻差穩(wěn)定的雙頻激光源、穩(wěn)定的等效腔長；測量光與參考光合光后有很高同軸度的光路結(jié)構(gòu)；能可靠記錄相位差變化周期數(shù)的細分及可逆計數(shù)系統(tǒng)三部分。