A design and optimization of channel combining acquisition detection with GNSS signal containing pilot channel

被引：0
|
作者：
机构：
[1] Lin, Honglei
[2] Tang, Xiaomei
[3] Liu, Yingxiang
[4] Wang, Feixue
来源：
Lin, H. (linhonglei1989@163.com) | 1600年 / Central South University of Technology卷 / 45期
关键词：
Global positioning system - Signal processing;
D O I：
暂无
中图分类号：
TN911 [通信理论];
学科分类号：
081002 ;
摘要：
Modern GNSS signals usually contain pilot channels. As to the design of channel combining in signal acquisition, the conclusion that the coherent channel combining detection is a combination of non-coherent channel combining and differentially coherent channel combining detection was proved, then a universal combining acquisition detection was designed. With the optimum method of segment correlation-video integration, an optimum model of this common detection was given and the rules of optimum parameters changing such as signal carrier noise ratio (CNR), doppler frequency and the radio of pilot power in the whole signal were obtained.
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