Research on Frequency Conversion ＆ Selective Measurement and Error Correction Algorithms in Grounding Characteristics Measuring System

Si Qi Wang; Xi Wen Chen; Zi Juan Guo; Xu Wang

doi:10.4028/www.scientific.net/AMR.605-607.1068

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The Design of Real-Time Power Detection System in Communication Equipment
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Research on Frequency Conversion ＆ Selective Measurement and Error Correction Algorithms in Grounding Characteristics Measuring System
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The Radius of an Ultrashort Pulsed-Laser to Fresnel Diffraction of a Serrated Aperture
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 605-607Research on Frequency Conversion ＆ Selective...

Research on Frequency Conversion ＆ Selective Measurement and Error Correction Algorithms in Grounding Characteristics Measuring System

Abstract:

The paper concerns algorithms error and parameters correction technology of frequency conversion＆selective measurement in grounding characteristics measuring system. It analyzes estimation method of signal amplitude phase based on Fourier transform, calculates the sensitive degree of the method to frequency error, and also presents several major parameters for the algorithm, including sampling rate, data length and selection condition of frequency resolution in order to meet the high precision measurement requirements. Furthermore, the paper analyzes correction algorithm of amplitude and phase error caused by unknown nonlinearity of circuit during the practical measurement.