Today's Lecture Examine specifics of GPS signals Multiple modulations on same carrier signal Structure of signals GPS receiver operation and satellite acquisition

Outline Review u Examined basics of GPS signal structure and how gnal is tracked a Looked at methods used to acquire satellites and start g Today we look at

3. Reference Systems Book: p 25-38 Dr Guoqing Zhou 1.1 Overview 1.2 A Group of Basic Ce GPS Basic Positioning Principle

1. Basic Knowledge of GPS In 1973, DOd organized a Joint P Office (JPO) located at the U.S. Air Force Systems Command's Space The s Second Lecture Division, Los Angeles Air Force Base(AFB)to what?

GPS Basic Positioning Principle Two reference systems: Time and Coordinate Syst

1. Errors related to GPs Satellites 2. Errors related to GPS signal propagation in atmosphere 3. Error related to gPs receivers Gv Principles of the Global Positioning System

Fundamental knowledg Quick Overview Kelperian 3 Laws First Law: ellipse, Sun is a focus Second law: the same area in same time Earth

一、目标:介绍GPS卫星测量基本原理及其应用 二、PPT课件采用中英文结合方式 三、在学习制定教材的基础上,依据学生的兴趣和个人能力,学习内容和形式多样

一、GPS高程问题 二、复习

前面介绍了有关GPS定位的基本概念和原理,本 章将介绍目前GPS测量实施的主要过程,作业的 基本方法和原则。 由于GPS测量工作的实施方法与用户的要求,和 所用接收系统硬件与软件的发展水平密切相关, 所以,关于GPS测量工作的作业细节