Method for eliminating environment electrical level suitable for electromagnetic radiation transmitting automatic test
An electromagnetic radiation emission and automatic test technology, applied in the direction of electromagnetic field characteristics, can solve the problems of judging the radiation emission of the tested product, the unrealistic electromagnetic compatibility test site, and the decrease in the accuracy of the test results, so as to improve the test response speed and save energy. Test cost and the effect of improving test efficiency
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Embodiment 1
[0107] Example 1: far field situation
[0108] Receiving antenna, EMI (electromagnetic interference) receiver and PC according to figure 1 The structure shown constitutes an automatic electromagnetic radiation test system. The receiving antenna selects the ZN30505C model logarithmic periodic antenna of Beijing Radio No. 2 Factory. EMI (electromagnetic interference) The receiver chooses ESIB40 of R&S Company. The minimum configuration of the PC is: CPU 2GHz, memory 1GB, hard disk 80GB.
[0109] Tested product: the navigation module of the XXX drone.
[0110] Test frequency band: 100MHz~300MHz; the center frequency f of the test frequency band 0 =200MHz.
[0111] The distance d between the first test point A and the tested product A = 2.2m.
[0112] The distance d between the second test point B and the tested product B = 5.5m.
[0113] According to the "third step" of the method of eliminating the background environment level, the background environment level N is co...
Embodiment 2
[0117] Example 2: near field situation
[0118] Receiving antenna, EMI (electromagnetic interference) receiver and PC according to figure 1 The structure shown constitutes an automatic electromagnetic radiation test system. The receiving antenna selects the LPDA-9531 model logarithmic periodic antenna of Shenzhen Airlines Huajie Company. EMI (electromagnetic interference) The receiver chooses ESIB40 of R&S Company. The minimum configuration of the PC is: CPU 2GHz, memory 1GB, hard disk 80GB.
[0119] Tested product: Inertial navigation module of XXX UAV.
[0120] Test frequency band: 10MHz~100MHz; the center frequency f of the test frequency band 0 = 55MHz.
[0121] The distance d between the first test point A and the tested product A = 0.6m.
[0122] The distance d between the second test point B and the tested product B = 0.8m.
[0123] According to the "third step" of the method of eliminating the background environment level, the background environment level N ...
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