According to the practical application background, a new and high-sensitivity acquisition method of software GPS receiver is proposed based on ingenious differentially coherent integration.
面向GPS软件接收机高灵敏度捕获应用，提出了一种新的基于简易差分相干积累的高灵敏度捕获算法。
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This paper deals with the effect of FM quantum noise of laser sources on the receiver performance in coherent fiber-optic communication systems.
本文分析了激光源FM量子噪声对数字光纤相干通信接收机性能的影响。
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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.