%0 Journal Article %T Design and simulation of key module of DS-SS receiver in high dynamic
高动态下直扩接收机关键模块的设计与仿真* %A WANG Ding %A LI Jun-zhong %A XU Lin-bo %A
王顶 %A 李军中 %A 徐林搏 %J 计算机应用研究 %D 2012 %I %X High dynamic creats high Doppler shift to spread-spectrum signal and makes Pseudo-random code have a greater dynamic delay,which is likely to cause carrier tracking loop and code tracking loop out of lock.In order to improve the dyn-amic stress of the tracking loop and prevent tracking loop out of lock,this paper presented a design of the acquisition and tracking based on the analysis of the principle of the acquisition and tracking.MATLAB simulation results show the correctness of this design,and even if in a high dynamic conditions,this design can also have a precise and stable performance. %K acquisition %K tracking %K high dynamic %K Doppler %K phase detector
捕获 %K 跟踪 %K 高动态 %K 多普勒 %K 鉴相器 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=F950C016BC33E901FCE9348D652B3554&yid=99E9153A83D4CB11&vid=771469D9D58C34FF&iid=38B194292C032A66&sid=243DE6042D93E88B&eid=3A834AEE2C42102E&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=0&reference_num=12