For AC voltage measurement, an RMS converter circuit or a precision rectifier circuit convert the AC signal into a DC voltage.
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。
The design of target doppler frequency measurement circuit is very important in phase coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中，要求很高的目标速度测量精度，因而目标多普勒频率测量电路的设计比较重要。
The design of target Doppler frequency measurement circuit is very important in phase-coded MMW radar system because of the high measurement precision requirement of target speed.
在某相位编码毫米波雷达系统中，由于对目标速度测量精度的要求很高，因此目标多普勒频率测量电路的设计也具有比较重要的地位。
Introduced a ratio method to measure the heat stream temperature with platinum resistor, the interface circuit is simplified and the precision for the flow measurement improved largely.
引入了一种基于比率法的铂电阻高精度测温方法，简化了接口电路，从而提高了热蒸汽密度和流量计量精度。
In order to ensure that temperature and humidity measurement precision, the hardware circuit error analysis, put forward the system error of the method to improve.
为了保证温湿度测量精度，对硬件电路进行了误差分析，并且提出了系统误差的改善方法。
The reliability and precision of the interface circuit can meet the needs of measurement of moisture content in pressboard.
该调理电路性能可靠，精度较高，可以满足绝缘纸板微水分的测量要求。
Electron apparatus is the basic tool which is used to implement electron measurement. And the range and precision are determined by performance of electron apparatus's front analog input circuit.
电子仪器作为实现电子测量的基本工具，其前端模拟输入通道性能的好坏直接决定了测量的范围及精度。
By analyzing the principal factors which influences the measurement precision. an advanced method to improve the measurement precision and a practical circuit diagram is presented.
本文通过对影响测温精确度的主要因素分析，提出了一种提高测量精确度的方法，并且给出了一个实用的电路原理图。
This paper introduces the principle of operation and system structure of CCD sensor in the photoelectric precision measurement diameter system. The test circuit is given.
介绍了CCD传感器在光电精密测径系统中的工作原理、系统结构及检测电路系统。
To improve the measurement precision, the circuit is amended and the disturbing signals and measurement errors are reduced.
在测量系统方面，改进电路设计、减小外界干扰和误差以提高测量精度。
Experiment indicates that the measuring precision of ultrasonic distance measurement system is higher and its circuit is simpler.
实验表明，该测距系统测量精度高，电路简单。
In order to solve the problems above, the high-precision clock, detecting posture device and automatic measurement circuit are equipped in Marine magnetotelluric instrument.
海底大地电磁仪为满足上述要求，其内部配备了高精度时钟源、姿态检测器件以及与海底电磁信息采集相关的自动信号测量与存储电路。
The MSP430FW427 is used as control MCU. The function is realized by the SCAN IF module without IC circuit external, which improves the precision and sensitivity of flow measurement.
主控器采用目前国际上功耗最低的MSP430FW 427单片机，该单片机能够利用内部流量扫描模块（SCANIF）有效地转换振荡波形，不需要外部流量检测IC，提高测量的精度和灵敏度。
The MSP430FW427 is used as control MCU. The function is realized by the SCAN IF module without IC circuit external, which improves the precision and sensitivity of flow measurement.
主控器采用目前国际上功耗最低的MSP430FW 427单片机，该单片机能够利用内部流量扫描模块（SCANIF）有效地转换振荡波形，不需要外部流量检测IC，提高测量的精度和灵敏度。
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