说明：  GPS的经典基础书籍,着重描述了软件接收机的实现和算法。
(This book presents detailed information in a compact form about the global positioning system (GPS) coarse/acquisition (C/A) code receiver. Using the C/A code to find the user location is referred to as the standard position service (SPS). Most of the information can be found in references 1 through 13. However, there is much more information in the references than the basics required to understand a GPS receiver. Therefore, one must study the proper subjects and put them together. This is a tedious and cumbersome task. This book does this job for the reader.)