在GPS软件接收机架构下，基于计算机MATLAB软件平台，利用实际采集的GPS中频信号，在普通计算机上实现了一个硬件接收机的所有基带信号处理以及导航解算功能。-In the GPS software receiver architecture, computer-based MATLAB software platform, using the actual acquisition of GPS IF signal, in the general computer hardware receiver implements a baseband signal processing, and all the navigation solution function.