頁籤選單縮合
題 名 | 以模稜函數法進行動態模稜求定應用於姿態求解之研究=Kinematic Ambiguity Resolution Using Ambiguity Function Method for Attitude Determination |
---|---|
作 者 | 林修國; 吳究; | 書刊名 | 中國土木水利工程學刊 |
卷 期 | 10:1 1998.03[民87.03] |
頁 次 | 頁157-164 |
分類號 | 440.98 |
關鍵詞 | 模稜函數法; 動態模稜求定; 姿態求解; Ambiguity function method; Ambiguity resolution on-the-fly; Attitude determination; |
語 文 | 中文(Chinese) |
中文摘要 | 本文之目的在於如何利用GPS求解載具的姿態角,並對所得的姿態角進行精度分 析,以了解GPS求得的姿態角應用於航空(或海事)測量之可行性。理論方面,綜合利用了 基線約制、模稜函數法及特寬巷線性組合來求解姿態角。實驗方面,首先對兩條不同長度 的短基線(分別為1m,8m)進行靜態的觀測,以動態的方式進行求解,並進行精度分析及成 功率評估。而利用汽車為載具進行的動態實驗,驗證了本文的方法成功率及時效性均極佳 ,此應用例中每個時刻逐一求解相位模稜的成功率為100%而求解使用的計算時間平均僅 需0.18杪。 |
英文摘要 | This paper aims at determining the attitude parameters of a platform by means of GPS. In order to evaluate the applicability of the attitude parameters to photogrammetry (or hydrographic surveys), we analyze the attitude parameter accuracy. Theoretically, we combine baseline constraints, ambiguity function method and extra wide-lane signals to obtain the attitude parameters. Experimentally, we employ two short baselines (1m and gm, respectively) observed in static mode, and then solve the baseline vectors in kinematic mode. Both accuracy and success rate with respect to attitude and position determinations are investigated. The kinematic experiment using a van as the sensor carrier indicates that the developed methodology is highly robust and time-efficient, because the success rate of resolving phase ambiguities is 100% for each observation epoch and an average computer time required is only 0.18 sec. |
本系統中英文摘要資訊取自各篇刊載內容。