attitude estimation 中文意思是什麼

attitude estimation 解釋
姿態估計
  • attitude : n. 1. 姿勢，身段。2. 態度，看法。3. 【軍事】飛行姿態。4. 芭蕾舞的一個姿勢。
  • estimation : n. 1. 估計，評價。2. 預算，預算額；概算。3. 尊重，尊敬。4. 意見，判斷。5. 【化學】估定；測定。
  1. The high precision flight attitude of spacecraft has been mainly received through star sensor. the priciple is that at first the star acts as reference and the stars image has been captured by star sensor, then stars image identification and attitude estimation have been done, at last the flight attitude of spacecraft has been received

    航天器的高精度姿態確定主要是通過星敏感器來完成的，首先是以恆星為參照物，利用星敏感器得到星圖，然後進行星圖圖像處理、星圖識別和姿態估算等一系列計算，達到確定出航天器的飛行姿態的目的，而星圖處理是星敏感器處理的基礎。
  2. The simulation results show that the feature point detection and tracking algorithm is feasible. next, matched points based essential matrix estimation is studied. the spacecraft attitude and position parameters are derived from essential matrix and the scale of motion is recovered with range information from laser ranger taken in account

    再次，研究基於匹配特徵點對的本質矩陣的估計演算法，給出了由本質矩陣求取空間探測器的姿態信息和位置信息的方法，並且結合激光測距儀信息，得到探測器的運動比例參數，實現軟著陸過程的導航。
  3. For the reason that this method use the arrangement of characteristic light spot directly to avoid the aberrance that come out during calculating in traditional method, it can improve the estimation precision of position and attitude. besides, it provides a certain degree of redundancy to the visual navigation system

    由於該演算法直接利用特徵光點的幾何配置條件，避免了傳統演算法在計算過程中出現畸變的問題，從而提高了位置和姿態角估值的精度，並使月球車的視覺導航系統具有一定的冗餘性。
  4. In this dissertation, the nonlinear filter methods are deeply studied on theory and application for the attitude estimation from vector observations of the three - axis stabilized satellite attitude measurement system. furthermore, for the shortages in extended kalman filter, several improved schemes are presented

    本文針對基於矢量觀測的三軸穩定對地定向衛星的姿態確定問題，從理論和應用兩個方面對衛星姿態確定的非線性濾波技術作了深入和細致的研究。
  5. Case 1 : when there is no relative measurement, each satellite uses its own on - board attitude sensors to determine its attitude, and exchange the information through the communication link between formation satellites, and then the relative attitude is determined through simple mathematical operation. case 2 : based on the range measurements of gps like sensors, using two - point measurement of the relative orbit state to establish relative orbit and attitude kinematics and measuring equations. and state estimation is achieved through the extended kalman filter technology and unscented kalman filter technology, respectively

    方案一，在星間無相對測量時，由衛星自身攜帶的姿態敏感器實現單星高精度姿態確定，利用星間通信鏈路進行信息交互，通過簡單的數學計算獲得星間相對姿態;方案二，利用類gps相對測量，建立了編隊衛星相對軌道運動和相對姿態運動模型及相對距離測量方程，推導了兩點相對軌道運動模型，設計了擴展卡爾曼濾波器及uscented卡爾曼濾波器，對相對位置、速度和姿態進行估計。
  6. In order to improve the performance of ekf and ukf, the square soot unscented kalman filter ( sr - ukf ) with multiplicative noise is firstly investigated. considering the satellite nonlinear model, the sr - ukf attitude estimator is derived for gyroless satellite attitude estimation to render the state covariance with positive semi - definiteness and exceptional estimation accuracy

    對于姿態估計，採用了rao - blackwellization技術將衛星模型狀態向量中的線性狀態部分（陀螺偏差）和非線性狀態部分（衛星姿態）分開處理，線性部分狀態可以由卡爾曼濾波（ kf ）估計得到，非線性部
  7. Peer influence is the marked significant predictor in the estimation of youth s attitude towards different inappropriate on - line behavior

    同儕影響這項因素，最能預測青少年對各類網上不恰當行為的看法。
  8. This paper presents and probes into several filtering schemes for the deep space explores attitude measurement system composed of star sensors and gyros. under the stellar - inertial modes, two attitude determination algorithms are designed which use the extended kalman filter. one of the algorithms is to linearized the state equation based on the optimal estimation

    本文中以星敏感器和光纖陀螺為基本配置組成的深空探測器姿態測量系統為對象，針對星敏感器與光纖陀螺聯合定姿模式和基於星敏感器的定姿模式，對深空探測器的三軸姿態濾波技術方案進行了設計與研究。
  9. This dissertation mainly studies information fusion estimation theory and its application to spacecraft control ; automatic diagnosis and system recovery ; strap - down attitude algorithm of fiber optic gyro and its error propagation

    由於慣性系統正由框架式平臺系統逐步向捷聯系統過渡，因此本文還對基於光纖陀螺的捷聯姿態更新演算法進行了研究。
  10. In general, the estimation accuracy not only lies on the performance of the hardware of the measurement, but also the attitude estimation algorithm

    姿態確定的精度不僅取決于姿態測量系統硬體配置的性能與精度，還與所採用的姿態確定演算法密切相關。
  11. The main contents of this dissertation consist of the following parts : an improved unscented kalman filter using spherical simplex unscented transformation ( sukf ) is derived in an attempt to solve the attitude estimation problem with the biased gyro or not from the vector observations

    主要完成了以下幾方面的工作:針對有陀螺和無陀螺兩種模式，提出了一種基於簡化球形分佈sigma點ut變換的改進型ukf濾波（ sukf ）的衛星姿態估計演算法。
分享友人
分享到 Line

分享到臉書