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As a novel simulator used for EMC testing, broadband gigahertz field simulator (BGF) was invented by podgorski et al. for simultaneous testing in dual polarization of emission and susceptibility. However, the dimensions and mechanism of BGF are still undisclosed in details. According to podgorski's designing, we had designed the BGF model for vertical polarization emission and susceptibility testing...
Since the method of using GTEM cell to do EMI measurement is put forward, it gradually received the testers' attention because of the advantages of GTEM cell. In this paper, HFSS software is used to simulate a GTEM cell of classic structure, and the reliability of simulation is conformed from two aspects. The two aspects are characteristic impedance and output power of GTEM cell. The experiment result...
The paper can demonstrate that the directivity test of RFID tag using GTEM cell has a good agreement with the test in free space, by theoretical analysis and mathematical calculation. At the same time, we do the directivity test with GTEM cell and UHF RFID tag, and can finally verify the feasibility of GTEM cell in doing directivity test, and raise a new low-cost, efficient testing method for the...
Since the appearance of GTEM cell, recent years more and more people put emphases on using it to do EMI measurements. Many papers simulate GTEM cell using FDTD method or software based on FDTD, while this paper pick up HFSS software based on FEM to simulate GTEM cell and check the credibility of simulation from two aspects: characteristic impendence and output power of port. Besides, the normalized...
Because of the easy operation and low cost, using GTEM cell in EMI test is very popular these years. The past research on GTEM cell was mainly on EMC test, the main theory of the GTEM cell testing is based on the total radiated power (TRP) calculation. In this paper, the method of using GTEM cell TRP test is introduced, and a serious of experiments are done to prove the practicability of this method...
At present there are several methods to do EMI measurements in GTEM cell, such as EDM, MDM, Linear, Wilsonpsilas method and so on. But the difference between the calculated results of these methods and the EMI results measured in OATS (open area test site) is very large in some situation. This article provides a new method to calculate electric field intensity in GTEM cell using the equivalent dipole...
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