navigation coordinate 中文意思是什麼

navigation coordinate 解釋
導航坐標
  • navigation : n. 1. 航行;導航;領航;航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路;海上交通。adj. -al
  • coordinate : adj 1 同等的,同位的;協調的,配合的;【語法】對等的。2 【數學】坐標的。3 (圖書、資料編目)交叉...
  1. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段,模擬日、地、月敏感器測量信息,即日、地、月在航天器本體坐標系下的方位信息,結合日月星歷,建立狀態方程及觀測方程,通過最小二乘法得到歷元時刻的軌道狀態初始值,將其代入軌道狀態方程進行自主導航。
  2. Surgical navigation system and transformation between coordinate systems

    股骨骨折手術導航的特點及系統各坐標系之間的變換
  3. Application of coordinate transformations in the hardware - in - the - loop simulation of integrated navigation system

    航彈捷聯慣導系統半實物模擬試驗研究
  4. Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed

    文摘:採用正交曲線坐標系下的河道平面二維數學模型,研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律,預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響,並對格形開挖和平整開挖方案進行了比較分析
  5. On the condition of selecting east - north - up coordinate as navigation coordinate and supposing the updating periods for attitude, velocity and position all the same, the digital algorithms for sins are deduced in details

    以東北天坐標系為導航坐標系,假定姿態、速度和位置更新周期相同時,詳細推導了捷聯慣導的數字迭代演算法。
  6. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理,研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測速及偽距差分、相位平滑偽距差分以及有關誤差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航空圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  7. The main innovations done in the thesis are as follows : 1. the rotation effect of navigation coordinate is well compensated in sins attitude algorithms. scrolling error compensation can directly be used in the position matrix update algorithms

    在捷聯慣導數字迭代演算法中,姿態演算法有效處理了導航坐標系旋轉的影響,利用位置矩陣求解位置的方法很容易地解決了渦卷誤差的補償問題。
  8. Research on coordinate transformation of imu gps integrated navigation

    組合導航中坐標變換問題的研究
  9. Generally, traditional hough transformation is used to detect the line or some special curves in the image space, and navigation parameters can only be obtained indirectly by finding the corresponding position in the navigation coordinate through the anti - perspective matrix

    傳統的hough變換是在圖像空間中檢測直線或某種特定的曲線,然後在把直線通過透視投影關系矩陣映射到導航坐標系中間接地得出所需的導航參數。
  10. The landing site coordinate system is first defined from the image coordinates of three feature points obtained using an optical navigation camera and the distances from the spacecraft to each fp measured using a laser range finder

    首先利用特徵點的圖像坐標和探測器到三個特徵點的距離信息構建了著陸點坐標系,確定了探測器相對著陸點坐標系的位置和姿態。
  11. Adopting the kalman filtering aimed by itself means using it to give the best estimate about the platform error angle. using the correction system to the correction between the platform coordinate and navigation coordinate

    為解決這一問題,本文將h _濾波引入sins系統的初始對準,設計了具有魯棒性的h _濾波器。
  12. First, the elements of the image navigation are analyzed and the coordinate systems are defined. with projection relation of perspective projection and epipolar geometry considered, essential matrix is derived

    考慮導航相機採用透視投影模型時的空間點在像平面上的投影關系,結合極線幾何的性質,給出了本質矩陣的定義式。
  13. Two spacecraft ’ s rendezvous technology in coplanar near - earth orbit with maneuvering target, based on the sight coordinate system is presented in this paper. differential games guidance law ( dggl ) and proportional navigation ( pn ) are studied

    本論文研究了近地共面軌道兩空間飛行器在目標機動下的在軌交會技術,分別對微分對策制導律和比例導引制導律兩種制導方法進行了研究。
  14. Study on strapdown inertial navigation system ( sins ) the concept, process and the already done work of initial alignment of sins arc introduced briefly. for selecting coordinate and deriving the error model, presenting some kinds of coordinate in the inertial navigation system ( ins ) ; the initial alignment of sins theory is introduced in detail ; the linear error model of moving base initial alignment of sins is derived, including analysis in characteristic and influence of system error of inertial apparatus.

    捷聯慣導系統的研究:首先概要介紹了慣導系統的相關知識,闡述了捷聯慣導系統的優點;分析了初始對準姿態確定的幾種坐標系,為建模定義了坐標系選擇和姿態矩陣;詳細研究了捷聯慣導系統的初始對準原理,推導並給出了捷聯慣導系統動基座初始對準的誤差方程,並分析了誤差特性以及慣性儀表誤差對系統誤差的影響;
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