Doppler search as pre-acquisition step

机译：多普勒搜索作为预采集步骤

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摘要

Every GNSS receiver has an acquisition module/process, which detects the presence the satellite signals, synchronizing the receiver in time(code delay)and frequency domain(Doppler Effect)with each detected signal.This synchronization is done simultaneously,that means,all combinations(Fig.1)of Doppler frequency bins and code offsets bins are tested to find the correlation peak.

机译：每个GNSS接收器都有一个采集模块/过程，该模块可以检测卫星信号的存在，使接收器在时间（码延迟）和频域（多普勒效应）与每个检测到的信号同步。此同步是同时完成的，这意味着所有组合测试多普勒频率仓（图1）和代码偏移仓（图1）以找到相关峰值。

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来源
《Proceedings of the 22nd international technical meeting of the Satellite Division of the Institute of Navigation (ION GNSS 2009)》|2009年|p.1-7|共7页
会议地点 Savannah GA(US);Savannah GA(US)
作者
Ion Suberviola; Stefan Koehler; Jaizki Mendizabal; Guenter Rohmer;
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作者单位

Fraunhofer IIS;

Fraunhofer IIS;

CEIT;

Fraunhofer IIS;

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会议组织
原文格式 PDF
正文语种 eng
中图分类卫星导航系统;
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Doppler search as pre-acquisition step

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