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Design of GPS IF Signals Emulator Based on Matlab/Simulink

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Abstract

With the intensively study of GPS applications,users have a higher performance requirements of GPS receiver which make a variety of high-performance GPS receiver to be urgent.The GPS receiver of previous studies is based on the GPS IF signal.In this background,this paper build a GPS IF signal simulation platform using the MATLAB / simulink based on the analysis of GPS IF signal generation;is especially for C / A code generation process and the C / A codes in the performance of a detailed study;finally,generated GPS L1 C / A signal utilizing direct sequence spread spectrum.

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With the intensively study of GPS applications,users have a higher performance requirements of GPS receiver which make a variety of high-performance GPS receiver to be urgent.The GPS receiver of previous studies is based on the GPS IF signal.In this background,this paper build a GPS IF signal simulation platform using the MATLAB / simulink based on the analysis of GPS IF signal generation;is especially for C / A code generation process and the C / A codes in the performance of a detailed study;finally,generated GPS L1 C / A signal utilizing direct sequence spread spectrum.

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Available abstract

With the intensively study of GPS applications,users have a higher performance requirements of GPS receiver which make a variety of high-performance GPS receiver to be urgent.The GPS receiver of previous studies is based on the GPS IF signal.In this background,this paper build a GPS IF signal simulation platform using the MATLAB / simulink based on the analysis of GPS IF signal generation;is especially for C / A code generation process and the C / A codes in the performance of a detailed study;finally,generated GPS L1 C / A signal utilizing direct sequence spread spectrum.

Key concepts: Global Positioning System, Precision Lightweight GPS Receiver, GPS signals, MATLAB, Time to first fix, Assisted GPS, Computer science, GPS disciplined oscillator

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