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Frequency Tracking Algorithms for PN Spread Spectrum Receiver in High Dynamic Circumstance |
Wang Ai-hua; An Jian-ping; Huang Qi-hua |
Department of Electronic Engineering Beijing Institute of Technology 100081 |
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Abstract At UHF or SHF, the notable effects of Doppler due to platform dynamics must be taken into account. This paper researches on several carrier tracking loop systems. The software with the algorithms of serial PN acquisition and full time early-late DLL, the system may achieve PN acquisition and demodulate data timely, and can be upgraded onto the chips flexibly.
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Received: 07 October 2002
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