position-error measurement 中文意思是什麼

position-error measurement 解釋
位置誤差的測定
  • position : n 1 位置；方位；地點。2 處境，情況；狀態，形勢，局面。3 姿態，姿勢。4 地位，身份；職位；職務。5 ...
  • error : n. 1. 錯誤；失錯。2. 謬見，誤想；誤信；誤解。3. 罪過。4. 【數學】誤差；【法律】誤審，違法；（棒球中的）錯打。adj. -less 無錯誤的，正確的。
  • measurement : n. 1. 測量，計量，量度。2. 份量，尺寸，大小，寬度，厚度，深度（等）。3. 測量法。 measurement goods （按體積、容積計算的）體積貨物。
  1. Time delay estimation ( tde ) by using three - element linear array is an important problem in torpedo trajectory tracking system which ttacks target according to strictly geometrical position. it is the basis of measurement of target distance, bearings etc. the error of tde influences directly the accuracy of trajectory tracking. the more efforts have been made in order to acquire high accuracy estimation

    三元直線陣的時延估計是魚雷彈道測量系統中的一個重要課題，它依照嚴格的幾何關系進行目標定位，是測量目標距離、方位等參數的主要依據，時延估計的精度直接影響彈道跟蹤系統的精度，為提高時延估計精度人們進行了大量的研究和探索。
  2. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導航與軌道保持技術研究：分別選取慣性空間位置矢量和採用hill方程表示的經、緯、向徑誤差作為狀態量，分析軌道動力學模型誤差、采樣周期以及敏感器測量、安裝等誤差對定軌精度的影響。
  3. The difference of two methods is relatively small and data of velocity accord preferably, the least absolute error is about 0. 001m / s and the least relative error is 0. 49 % in no boundary position, absolute error is big in the boundary positions which arouse measurement error

    將數值模擬的結果和數字圖像處理的結果相比較分析，發現兩種方法之間的速度差別較小，在非邊界點處兩種方法的速度數據符合相對較好，最小絕對誤差為0 . oolm / s ，最小相對誤差為0 . 49 % 。
  4. This method applied to the measurement of precision of original azimuth of underwater to surface missile, through measuring exterior information using optical measurement device, measuring accurate position of shore beacon, calculating error of missile aiming system

    通過光測設備測量系統外部的信息，測量岸標的精確位置，來推算系統的瞄準誤差。對外測岸標法，建立了數學模型，詳細討論了外測岸標的標定方法、原理和方位角的解算。
  5. In order to evaluate aiming error of missile on the warship or on the submarine, including the error of warship position, the error of reference azimuth and the error of transfer measurement given by the navigation system, and try to divided them from the general error, it is highly important that we estimate and evaluate missile system of mobile bedding launching

    為了評估從艦船潛艇上發射導彈的瞄準誤差，包括艦船導航系統給定的船位誤差、基準方位誤差及其傳遞測量誤差，並試圖把它們從總的瞄準誤差中分離出來，這對于動基座發射導彈武器的瞄準精度的評價極為重要。
  6. In this paper we made a systemic analysis and study of the accurate orientation technology in the process of helicopter landing - photogrammetry, made the model of using double ccd to measure the exact position of helicopter based four latent points photogrammetry, educed formula about beaconing position, analyzed the computing error, and particularly computed the information of beaconing position of the helicopter ' s landing by experiment emulation. in the result, the error between a computed value and a measurement value was less than 5 centimeters

    本文對直升機著艦精確定位技術中的攝影測量演算法進行了系統分析和深入研究，在四特徵點測量演算法基礎上建立了雙ccd攝影測量直升機精確位置坐標的數學模型，進一步從各個影響演算法測距精度的方面討論了計算誤差，推導出測量信標坐標位置的計算公式，並對利用雙攝影測量演算法計算直升機著艦掛鉤位置的正確性及準確性進行了模擬實驗，得到的演算法計算值和實驗測量值之間的誤差在5cm以內。
  7. By using the method of error analysis of mbs, the identification equation of geometric error parameters is derived and according to the condition that the rank of coefficient matrix of error measurement equation group must be full, we can get 18 terms geometric error of 3 - axis nc machine tools and three displacement error and three position error

    應用誤差辨識軟體，解得各測量點的十八個誤差參數，即每個運動方向的三個位移誤差和三個位置誤差，再根據實際情況獲得三項垂直度誤差，得到了所有的21項誤差。
  8. For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized

    為了提高實時性，對交流采樣演算法進行了簡化，並提出了由於非同步順序采樣所造成的相位誤差的補償演算法；針對轉速、轉子位置角等脈沖寬度信號的測量，深入分析了測量原理，設計了基於isa總線的智能介面卡；編制和調試了基於c + +的全部測量控製程序；完成了整個系統的調試，並總結了調試方法。
  9. Abstract : taking an on - line dynamic measurement system as an example, the influence of the distributive position of the filtering network on the error of dynamic measurement is analyzed. the following design criterion is proposed : in differential dynamic measurement system the filtering network must be located behind the add or minus operation circuit

    文摘:通過一個動態在線測量系統實例，分析濾波網路分佈位置對系統動態測量誤差的影響，並提出對於差動式動態測量系統，濾波網路必須位於和差運算電路之後的設計原則。
  10. But repetitious launching tests show that there is a remarkable error in the measurement of the angle which is measured in the technical position. the error has so notable effect on sight precision of weapons that this scheme is abandoned in the design of later missile weapons

    但經多次發射試驗證明，技術陣地測量的兩基面夾角存在較大誤差，對武器的瞄準精度產生了較大影響，以致后繼的某些型號放棄了基面轉換方案。
  11. Emphasis is placed on analyzing the influences of friction characteristics on hydraulic motor, dynamic coupling between gimbals, resolution ratio error and setting error of feedback measurement element on accuracy of electro - hydraulic position servo system for a certain simulation turntable

    摘要針對具體的模擬轉臺電液位置伺服系統，著重分析了液壓馬達摩擦非線性、框架間動力學耦合、反饋測量元件的解析度誤差和安裝誤差對轉臺電液位置伺服系統精度的影響。
  12. From the experiment and analysis, it can be seen that friction limits realization of high accuracy electro - hydraulic position servo system, movement of any gimbal brings disturbance moment to servo system of other gimbals and the disturbance moment causes error, and, resolution ratio error and setting error of feedback measurement element are directly added to servo system output

    通過實驗和模擬可以看出，摩擦阻礙了轉臺電液位置伺服系統商精度控制的實現，任何一個框架的運動都會對其餘框架的伺服驅動系統產生干擾力矩並引起伺服系統誤差，反饋測量元件的解析度誤差和安裝誤差直接反映在伺服系統輸出上，對伺服系統的精度有直接影響。
  13. The emitter location methods commonly include : angle of arrival ( aoa ) measurement, time - difference - of - arrival ( tdoa ) measurement and aoa together with tdoa measurement. this paper derive some important techniques and theories bearing upon passive location in this field. three kinds of passive location algorithm in three - dimensional ( 3 - d ) space are deduced based on that of 2 - d space. at the same time each performance is analyzed, each graph of geometric dilution of precession ( gdop ) is emulated for different station position, different measurement error, and different target height. accordingly some valuable academic and emulational results are obtained by myself, which will provide researches in this field with definite technical refrence. at the end of this paper, the passive location method of jtids ( joint tactical distribution systems ) is discussed, which is expected to enforce the tactical performance of jtids in the intending development

    本文汲取了該領域有關被動定位的重要技術和理論，在二維平面無源定位演算法的基礎上推導出了三維空間內的三種無源定位演算法，並對各自的定位性能進行了理論分析和計算機模擬，模擬出不同的布站、不同的測量誤差以及不同輻射源高度的情況下，三種定位方法各自對應的定位精度（ gdop ）分布圖，同時對各自的定位性能進行了改進處理，得出了一些有價值的理論和模擬實驗結果，這些結論可為今後在此領域的研究提供一定的技術參考。
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