For the false signal suppression in direct quantization of a monobit receiver, a quantization method based on ran-dom dithering is put forward. Through the theory model analysis, the false signal is efficiently decreased and the multi-signal re-ceiving dynamic range in the monobit receiver is expanded. The validity of the method is verified through the simulation experi-ment and the result of monobit quantization is better than before. The method has simple procedure and wide multi-signal receiving dynamic range for engineering application.%为了减小单比特接收机中单比特直接量化所带来的虚假信号问题,采用了基于随机抖动的量化方法,通过建立的理论模型进行分析论证,可以有效减小虚假信号的产生,扩展单比特接收机的多信号接收动态范围,在此基础上通过仿真实验进行了验证,获得了良好的单比特量化效果.该方法具有工程应用流程简洁,多信号接收动态范围宽等特点.
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