The system uses the method of orthogonal double-channel zero intermediate-frequency, and the result is satisfying.
该系统通过采用正交双通道零中频处理量化相位，处理效果较佳。
This paper introduces an AFC algorithm for a zero-intermediate frequency direct-sequence spread spectrum digital receiver.
为了使得射频源和波导管的频率保持一致 ，采用了自动频率控制系统 （AFC）。
This paper introduces an AFC algorithm for a zero-intermediate frequency direct-sequence spread spectrum digital receiver.
为了使得射频源和波导管的频率保持一致 ，采用了自动频率控制系统 （AFC）。
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