卫星伪距定位matlab,GPS卫星运动及定位matlab仿真.doc
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GPS衛星運動及定位matlab仿真
摘要
全球定位系統是具有全球性、全能性、全天候優勢的導航定位、定時和測速系統,現在在全球很多領域獲得了應用。
GPS衛星的定位是一個比較復雜的系統,其包含參數眾多,如時間系統、空間坐標系統等。此次設計是針對衛星運動定位的matlab仿真實現,因要求不高,所以對衛星運動做了理想化處理,攝動力對衛星的影響忽略不計(所以為無攝運動),采用開普勒定律及最小二乘法計算其軌道參數,對其運動規律進行簡略分析,并使用matlab編程仿真實現了衛星的運功軌道平面、運動動態、可見衛星的分布及利用可見衛星計算出用戶位置。
通過此次設計,對于GPS衛星有了初步的認識,對于靜態單點定位、偽距等相關概念有一定了解。
關鍵字:GPS衛星 無攝運動 偽距 matlab仿真
The movement and location of GPS satellite on MATLAB
Abstract:Global positioning system is a global, versatility, all-weather advantage of navigation and positioning, timing and speed system, now there has many application in many fields.
GPS satellite positioning is a complex system, which includes many parameters, such as time and space coordinates system. This design is based on the matlab simulation of satellite motion and location, because demand is not high, so to do the idealized satellite movement, and ignore the disturbed motion ( so call it non-disturbed motion ).Using the
Kepler and least-square method for calculating the parameters of orbital motion, for the characteristics of motion to make a simple analysis, and use the matlab simulation to program achieve the orbital plane of satellite, the dynamic motion, the distribution of visible satellites and using visible satellites to calculate the users’ home.
Through the design have primary understanding for the GPS satellite, and understanding the static single-point, pseudorange and so on.
Key words:GPS satellite non-disturbed motion pseudorange matlab simulation
目 錄
TOC \o "1-3" \h \z \u HYPERLINK \l "_Toc263713914" 第一章 前言 PAGEREF _Toc263713914 \h 1
HYPERLINK \l "_Toc263713915" 1.1 課題背景 PAGEREF _Toc263713915 \h 1
HYPERLINK \l "_Toc263713916" 1.2 本課題研究的意義和方法 PAGEREF _Toc263713916 \h 2
HYPERLINK \l "_Toc263713917" 1.3 GPS前景 PAGEREF _Toc263713917 \h 2
HYPERLINK \l "_Toc263713918" 第二章 GPS測量原理 PAGEREF _Toc263713918 \h 4
HYPERLINK \l "_Toc263713919" 2.1 偽距測量的原理 PAGEREF _Toc263713919 \h 4
HYPERLINK \l "_Toc263713920" 2.1.1 計算衛星位置
總結
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