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In aperture synthesis radiometers (ASRs), the mutual coupling effect between antennas is a key problem, which degrades the performance of ASRs and should be compensated. In this paper, an improved compensation method is proposed for ASRs, which is based on the receiving mutual impedance. The proposed method is verified by a one-dimension 5-channel L-band ASR. The experimental results show that the...
The starting current in high-power motor is very high, which will cause the voltage drop during start. Especially, with the smaller capacity of the source, the voltage drop in the grid is even more. In this paper, a new method for the simulation of the voltage drop in grid, caused by motor starting, is presented. Depending on the different start-up methods, the method determines the equivalent circuit...
Electric arc furnace (EAF) and other non-linear impact load are equivalent to the pollution source for power quality of grid, which will cause the device in grid to be heated and vibrated, that will increase loss, condense the life of the device and even damage it, interfere with communication, cause the relay protection to misoperate, and cause flick that will have the eyes more tired. In this paper,...
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