Radiated electromagnetic interference (EMI) measuring system

Zhenguang Liang; Yueguang Tong

doi:10.1117/12.717950

28 October 2006 Radiated electromagnetic interference (EMI) measuring system

Zhenguang Liang, Yueguang Tong

Proceedings Volume 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation; 63581Y (2006) https://doi.org/10.1117/12.717950
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

Certification of electromagnetic compatibility (EMC) to equipments in countries all over the world makes EMC measurement necessary in the procedure of product development. A radiated EMI measuring system is presented for objective of EMC studies. It includes two parts. The first part is constitution of the system. Equipments already existed may be used. A computer is connected with an antenna tower, a turntable and an EMI receiver or a spectrum analyzer for measurement via GPIB interface. Operators can use software to control instruments and guide measurement. The second part is controlling and measuring method. Relationships of electromagnetic emission frequency, antenna elevation and turntable azimuth with electric field are analyzed. Method is given to speed up procedure of radiated EMI measurement.

Citation Download Citation

Zhenguang Liang and Yueguang Tong "Radiated electromagnetic interference (EMI) measuring system", Proc. SPIE 6358, Sixth International Symposium on Instrumentation and Control Technology: Sensors, Automatic Measurement, Control, and Computer Simulation, 63581Y (28 October 2006); https://doi.org/10.1117/12.717950

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