【摘要】 基于M atlab/S imu link软件,设计实现了GPS接收机的核心部分之一的数字中频信号处理模块的仿真模型。模型可实现中频信号的捕获、跟踪和解调处理。给出在所模拟的信号源输入条件下的处理结果,结果表明模型的设计正确可行。模块可以为各种新的GNSS高性能信号处理方法的设计和评估提供一个可视化的研究平台。更多还原

【Abstract】 This paper presents the simulated model of the digital Intermediate Frequency(IF) signal processing module based on Matlab/Simulink software tools.The digital IF signal processing is a key part of software GPS receiver.This model can perform the acquisition,tracking,and modulation of the IF signal.The processing results are given out as the simulated GPS Source input.The result indicates this model is correct and feasible.This module can provide the visible research platform for various kinds of design and assessment of new GNSS high-performance signal processing method.更多还原