A Measurement Method for Ultra-low Frequency Modulation Distortion

doi:10.12060/j.issn.1000-7202.2013.02.18

JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT ›› 2013, Vol. 33 ›› Issue (2): 78-80.doi: 10.12060/j.issn.1000-7202.2013.02.18

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A Measurement Method for Ultra-low Frequency Modulation Distortion

QIU Bin¹；YU Qing-hua¹；DING Feng-hai¹；XIA Wei¹；WANG Lin-na¹

1、China Satellite Maritime Trcaking and Control Department, Jiangyin 214431

Online:2013-04-15 Published:2013-04-15

Abstract

Abstract: FM nonlinear distortion is an important item in the FM signal measurement. For a high-performance FM signal source, the distortion meter hasn’t directly measure the distortion index. Through analysing the relationship between FM nonlinear distortion and frequency modulation linearity, a method of test ultra-low-frequency modulation distortion is explored and the problem that FM nonlinear distortion can not directly measured by a distortion meter is solved.

Key words: Frequency modulation, Distortion, Linearity, Sensitivity

QIU Bin；YU Qing-hua；DING Feng-hai；XIA Wei；WANG Lin-na. A Measurement Method for Ultra-low Frequency Modulation Distortion[J]. JOURNAL OF ASTRONAUTIC METROLOGY AND MEASUREMENT, 2013, 33(2): 78-80.

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A Measurement Method for Ultra-low Frequency Modulation Distortion

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