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本文从理论上分析了补偿磁控管发射机发射脉冲幅度起伏以及射频频率和相位抖动的一种新的数字稳幅稳频方法,对其极限性能进行了分析。计算机模拟结果证实,该方法可使以磁控管为发射机的MTI雷达的改善因子由目前的20dB左右提高到50dB左右。
In this paper, a new digital stabilization and frequency stabilization method for compensating the fluctuation of the transmitted pulse amplitude and the rf frequency and phase jitter of a magnetron transmitter has been theoretically analyzed, and its limit performance has been analyzed. Computer simulation results confirm that this method can improve the improvement factor of MTI radar with magnetron as transmitter from the current about 20dB to about 50dB.