The errors of harmonic wave analysis and direct sampling in electric parameters measurement are analyzed. The method to minimize errors is presented.
分析了电力参数微机监测中的直接采样计算法与谐波分析法的误差，并提出了减小误差的方法。
At present, multi-electric parameters measurement instruments have a far-ranging application in our industry, and many research departments and companies in domestic have developed them.
目前，多功能电量测试仪在我国工业中具有非常广泛的应用，国内的许多研究部门和仪器生产企业曾先后开发了电参量测量的仪器。
So, it has very wide applied fields and very important theoretic meaning to study, design and develop audio-frequency measurement technique to measure audio-frequency electric parameters.
因此，研究中频电参量的测量方法，设计和开发中频范围的电参量测量仪器，不但具有广泛的应用领域，而且还具有十分重要的理论意义。
The system hardware structure, analog channels circuits, data acquisition circuits, measurement algorithms of electric parameters and anti-jamming methods are given.
给出了系统总体结构、模拟通道设计、倍频锁相电路、数据采集电路、各种电参数测量算法及系统软硬件抗干扰措施。
Fundamental concept, electric parameters and their measurement methods of potentiometers are surveyed and basis to select types and caution in service of the potentiometers are emphasized.
综述电位器的基本概念、电气性能参数及其测量方法，侧重介绍电位器选型依据及使用注意事项。
An application of personal computer control technique for automatic measurement of the parameters of electric light sources and its realization were introduced.
本文介绍微型计算机自动控制技术在电光源参数自动检测中的应用。
Based on the special power measurement chip, real-time, accurate and quick measurement of electric parameters is realized and the performance of the control system is improved.
提出一种基于三相电能专用计量芯片的设计方案，实现对系统所需要的电力参数进行实时、准确及快速的计量，提高了整个控制系统的性能。
Introduced energy measurement chipset AT73C500 and AT73C501 of ATMEL company. Designed a kind of electronic energy meter with the chipset to measure various electric parameters.
介绍了ATMEL公司的电能计量专用芯片组at73C5 0 0和at 73 C5 0 1，用它设计了一种全电子电能表，以实现对多种电参数的测量。
With the basic principle of dual-slope A/D converter, the measurement of voltage is replaced by the measurement of time so that the electric power parameters can be accurately measured.
将模拟电压的测量转换为时间的测量，从而实现了电力参数的高精度测量。
The article introduced the working principle, design parameters and the data of locale measurement of the street lamp electric saving that based on the no gas gap reactance setting.
介绍了基于无气隙电抗器的路灯节电器的工作原理、设计参数和现场侧量数据。
The article introduced the working principle, design parameters and the data of locale measurement of the street lamp electric saving that based on the no gas gap reactance setting.
介绍了基于无气隙电抗器的路灯节电器的工作原理、设计参数和现场侧量数据。
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