The former one is now widely used in the monopulse system to calibrate the amplitude and phase imbalances between the sum and difference channels by injecting test signals. 離線(xiàn)校正的方法是現階段單脈沖雷達系統進(jìn)行和差通道幅相校正采用的主要方法，它通過(guò)注入測試信號的方法來(lái)得到對誤差接收通道幅相特性的估計。
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