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DIRECT DIGITAL SYNTHESIS OF THE SIGNAL AS A BASIS FOR CONSTRUCTING A CALIBRATOR OF INSTRUMENTS FOR MEASURING ELECTRIC POWER QUALITY

机译:直接数字信号合成作为构造电能质量测量仪器校准器的基础

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摘要

In modern calibrators of instruments for measuring electric-power quality, the voltage is reproduced by direct digital synthesis (DDS) of the signal. The main structures and methods of regulating the frequency of the output signal of DDS-synthesizers are considered. It is shown that, for a number of parameters, the frequency regulation method, when the reference frequency of the digital-to-analog converter is varied using a DDS generator, is the most preferable.
机译:在用于测量电能质量的现代仪器校准器中,电压是通过信号的直接数字合成(DDS)来再现的。考虑了调节DDS合成器输出信号频率的主要结构和方法。结果表明,对于许多参数,当使用DDS发生器改变数模转换器的参考频率时,频率调节方法是最优选的。

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