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- W2366296243 abstract "With regard to the low operation efficiency of Global Positioning System(GPS) weak signal high-sensitive acquisition algorithm,a new acquisition method applying wavelet transform and synchronized data blocks accumulation was proposed.The sampled Intermediate Frequency(IF) signal was processed using discrete wavelet transform and Signal-to-Noise Ratio(SNR) was improved by the different characteristics of useful signal and noise during wavelet transform.Meanwhile the quantity of baseband data was decreased.Frequency compensation and synchronized data blocks accumulation method were adopted to reduce the Doppler search range and improve SNR effectively.The simulation results show that compared with traditional high-sensitive acquisition method,the proposed method can obviously reduce the acquisition time and improve the performance of weak signal acquisition." @default.
- W2366296243 created "2016-06-24" @default.
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- W2366296243 date "2013-01-01" @default.
- W2366296243 modified "2023-09-26" @default.
- W2366296243 title "High-sensitive GPS signal acquisition method based on wavelet filtering" @default.
- W2366296243 hasPublicationYear "2013" @default.
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