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題 名 | 載波相位餘弦模式於GPS衛星定位之求解=GPS Satellite Positioning Using Cosine Models for Carrier Phases |
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作 者 | 游豐吉; 吳究; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 11:1 1999.03[民88.03] |
頁 次 | 頁145-153 |
分類號 | 440.98 |
關鍵詞 | 模稜函數法; 載波相位餘弦化; 相位模稜; 收歛空間; Ambiguity function method; Cosines of carrier phases; Phase ambiguity; Convergence space; |
語 文 | 中文(Chinese) |
中文摘要 | 欲進行高精度 GPS 衛星定位,必須處理載波相位觀測量。有兩種法則可資應用: 一為相位模稜參數求定,以最小二乘搜尋技術,求出正確的模稜參數,並得其相應之位置參 數。另一則以三角函數將整數模稜參數消去,再進行幾何空間之位置搜尋。而不同於模稜函 數法,本文將經餘弦化後的相位,同樣利用最小二乘技術,以達最後位置之收歛。除了理論 分析外,不同的實驗並用來測試此法之成效,可得公分等級之定位成果。 |
英文摘要 | For high-precision GPS satellite positioning, carrier phase observables must be processed. There are two algorithms to follow. One is based on the least squares search tehnique to determine the phase ambiguity along with position parameters. The other algorithm uses the trignonmetric functions to eliminate the integer ambiguity parameters, and then determines the position parameters from a geometric search space. Different from the ambiguity function method, the final postional convergence is achieved in this paper by employing the same least-squares technique but using cosiners of the carrier phases. Except for theoretical analysis, the methodological performance for GPS postioning is evaluated in various experiments. The result indicates that positioning of the centimeter level can be obtained. |
本系統中英文摘要資訊取自各篇刊載內容。