对于交流电压测量﹐利用有效值转换电路或精密整流器电路将交流信号转换成直流电压。
For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
如果输入端的交流电压很大，其一部分信号被整流，于是在被测的直流信号中产生了误差。
If the AC voltage at the input is large, part of this signal is rectified, producing an error in the DC signal being measured.
该系统以可控硅三相桥式全控整流电路构成系统的主电路，采用同步信号为锯齿波的触发电路。
The thyristor triphase-bridge full controllable rectification circuit is taken as main circuit of the system and the trigger circuit with saw-tooth synchronism signal is adopted.
我首先想到的是，我能得到一个全波整流电路和信号转换为直流(交流等)。
My first thought is that I could get a full wave rectifier circuit and convert the signal (AC like) to DC.
它基于矢量求和的原理，使用精密的整流器，把交流信号转换成直流信号处理。
It is based on the principle of vector summation. Using precision rectifier, the AC signal transfers into DC signal.
以逆变器输出的电压和220v的差值作为控制信号。设计控制器根据控制信号改变直流变换器和三相可控整流的PWM控制信号。
The difference of output voltage of inverter and 220v is set as control signal, controller change the PWM signal to regulate buck-boost converter and three-phase rectifier.
共原理为将系统调节信号经定时器转换为移相脉冲串去触发可控硅进行三相全控整流。
The principle is that the system adjustment signals are changed into shift-pulses via a timer so as to trigger SCR for three-phases full-controlrectification.
这时传感器输出电信号，经整流放大，改变线圈上的电流，直至线圈回位，其电流强度与被称物体的重力成正比。
Then the sensor output signal, amplified by the rectifier to change the coil current until the coil back to bit, its current strength and the object's gravity is called proportional.
采用时间增益补偿技术，补偿超声波在空气中的衰减，减少回波信号的起伏；由有源全波整流电路和微分电路等组成峰值时间检测电路，可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
取样信号板上T3为取样变压器，将整流变压器一次电压(0 ~ 380v)变为0 ~10v交流电压。
T3 on sampling signal panel is sampling transformer, which can convert primary voltage (0 ~ 380v) of primary transformer into 0 ~ 10v AC voltage.
该改进的功率输出控制电路包括检波器电路，用于将输入信号整流产生代表输入信号功率电平的DC输出。
The improved power output control circuit includes a detector circuit for rectifying an input signal to produce a DC output representing power level of the input signal.
它包括一个全波整流电路和正弦信号源。
给出接收信号眼图及系统仿真误码率，pwm整流器的建模仿真，借鉴了主成分分析算法(PCA)。
The received signal is given eye and BER simulation systems, Modeling and simulation PWM rectifier it draws on principal component analysis algorithm (PCA).
给出接收信号眼图及系统仿真误码率，pwm整流器的建模仿真，借鉴了主成分分析算法(PCA)。
The received signal is given eye and BER simulation systems, Modeling and simulation PWM rectifier it draws on principal component analysis algorithm (PCA).
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