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At the meeting, experts conducted in-depth discussions on the Fast Fourier Transform (FFT) electromagnetic disturbance measurement technology based on experimental research data. By changing parameters such as measurement bandwidth, measurement time, and reduction coefficient, the influence of these parameters on the test results is analyzed, and the conclusion that the measurement time must be greater than the working period of the tested equipment is obtained. The receiver is devised under different detection bandwidths. The corresponding time. In addition, the experts also introduced two emerging projects, the ignition noise immunity test and the magnetic field radiation immunity test. The influence of the capacitance effect on the generated high-voltage ignition pulse waveform was analyzed. The similarities and differences of the small-ring antenna method and the Homhitz coil method were described, as well as their respective application scopes, which provided a good guide for understanding the relevant standards and implementing the test.
This meeting has a good sense of science and technology for R&D and testing technicians in the industry and plays an important guiding role in the development of equipment manufacturers' equipment.
[China Instrument Network Conference Report] Recently, the Shanghai Metrology and Measurement Technology Research Institute, the National Electromagnetic Compatibility Standardization Technical Committee High Frequency Phenomenological Subcommittee, the Shanghai Metrology Association Electromagnetic Compatibility Professional Committee, Shanghai Basic Performance Testing Expert Technical Service Platform The symposium "Introduction of Special Application Methods for Electromagnetic Compatibility" was held at the Yishan Road Branch of Shanghai Metrology and Measurement Technology Research Institute. The conference was presided over by Ma Xin, an electromagnetic compatibility testing technology expert from the Basic Performance Test Center of the Shanghai Institute of Metrology and Measurement. A number of product R&D companies, electromagnetic compatibility equipment manufacturers, third-party certification testing laboratories, and technicians of the same industry institute attended the meeting.