用频谱分析仪精确测量谐波失真

2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control Pub Date : 2014-09-18 DOI:10.1109/IMCCC.2014.193

Cao Yun, Qiu Xinyu, Zhang Xiyang

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引用次数: 0

摘要

使用频谱分析仪测量信号的谐波失真时，如果参数设置不当，可能会导致测量结果不正确。这对确定频谱分析仪的动态范围尤其有用。根据确定的动态范围，可以知道混频器输入电平和衰减器设置。通过对利用频谱分析仪测量谐波失真的实例分析，给出了准确的测量方法。

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Measuring Harmonic Distortion Accurately Using Spectrum Analyzer

The measurement result might incorrect if parameter setting is unsuitable when using spectrum analyzer to measure a signal's harmonic distortion. It is especially useful to make sure the dynamic range of the spectrum analyzer. According to the definite dynamic range, the mixer input level and attenuator setting can be known. By analyzing the example of harmonic distortion measurement using spectrum analyzer, the accurate measurement method is given.

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2014 Fourth International Conference on Instrumentation and Measurement, Computer, Communication and Control

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