Round the feature of the ultrafast speed, make the detailed description of phase noise, receiver noise figure, launch power, threshold level of system.
The thesis is mainly to study the signal detection and adaptive threshold technique in digital receiver.
本文主要研究数字接收机中信号检测及自适应门限设定技术。
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It is emphasized that under some poor SNR conditions, the "threshold effect" of non-coherent demodulator degrades seriously, even causes the receiver to be out of work.