中文摘要：

研究了GPS接收机捕获模块的基本原理和实现方式，利用Xilinx公司的Xc3s1000型FPGA和ARM公司ARM7TDMI-S核的结合设计一个仿真实验平台，控制多径参数，从而掌握接收机定位受到的影响。阐述了中频仿真多径的产生方式、信道的传输、相关器设计，用户操作界面的设计。实验平台可靠性和针对性较强，对GPS接收机的设计和改进有一定的帮助。

英文摘要：

The principle and realization of GPS Receiver is researched and FPGA ofxc3s1000 with Xilinx and ARM7TDMI-S of ARM develop board is combined to design a test platform and the influence of receiver by the multipath is controlled by the parameter of the multipath. The method to generate scaled multipath, the transmission of the channel, the design of the correlator, the manipulation of the user interface is described. The platform is reliable and special which is helpful to the design and improvement of the GPS receiver.