说明：  此书全名GPS theory,Algorithms and Applications，GPS方面国外非常权威的一本书，知识体系较为严谨，内容丰富，是学习GPS非常好的一本书
(This book full name GPS theory, Algorithms and Applications, GPS respect the authority of the foreign is a book of knowledge is more rigorous, content rich, is a very good book to learn GPS)