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- W2363097933 abstract "A model of pick-up the monopulse ration is proposed based on researching on digital sum and difference beamforming principle of phased array radar.The relationship between accuracy of target angle estimate and amplitude/phase error of the channel are analyzed.The result shows amplitude/phase error will result in the main lobe distortion of the sum pattern,gain degradation,and then indirect effect the accuracy of angle estimation.The amplitude/phase error also makes the high resolution profile(HRR)distortion when using synthesize wide-band signal to obtain the HRR profile.A kind of adaptive blind calibration method is proposed,requiring only the received signals at the array antenna and not requiring any additional reference signal to be inserted for calibration.The proposed method of calibrating these errors used an improved NLMS algorithm,and the time delay of the channel is compensated.The simulation results show that the method is effective." @default.
- W2363097933 created "2016-06-24" @default.
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- W2363097933 date "2008-01-01" @default.
- W2363097933 modified "2023-09-27" @default.
- W2363097933 title "A Calibration Method for Channel Amplitude/Phase Errors of Synthetic Wideband Digital Beam Forming Phased Array" @default.
- W2363097933 hasPublicationYear "2008" @default.
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