誤差矢量 的英文怎麼說

中文拼音 [chāshǐliáng]
誤差矢量 英文
error vector
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 誤差 : error
  1. On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced

    在推力試車臺設計方面,設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案,提高了試車臺動架的固有頻率,解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法,推導了互擾修正方程;研究了九分力推力分析方法,並計算了推力精度。
  2. The vector analysis method for strapdown north finding systems is introduced by which system error analysis is simplified

    提出捷聯尋北系統中的分析方法,簡化了系統的綜合分析。
  3. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  4. On the other hand, the electric field and intensity distributions of the he11 mode in the hollow fiber are calculated by using the exact solutions of maxwell equations based on the vector model, and the diffracted near - and far - field distributions of the he11 - mode output beam under the fresnel approximation are studies. we derive an analytical expression on the far - field distribution of the he n - mode output beam in free space and discuss its applicable condition. we also analyze and compare the differences between the he11 - and lp01 - mode output beams, and find that the near - field distribution of the lpoi - mode output beam is a gaussian - like one, but the near - field distribution of the he11 - mode output beam is a doughnut - like one, whereas the far - field distribution of both the lp01 - and he11 - mode output beams are a doughnut one

    此外,我們把中空光纖中lp _ ( 01 )模(標模型)和he _ ( 11 )模(模型)的場分佈以及它們各自的輸出光束的近場與遠場分佈進行了比較,發現兩種模式的輸出光束在近場分佈有很大的區別, lp _ ( 01 )模輸出光束在近場是一個高斯分佈,而he _ ( 11 )模輸出光束在近場是一個中空光束,在遠場兩種模式的輸出光束分佈是基本一致的,這正是由於在中空光纖中採用了弱波導近似以後所引起的
  5. 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和採用hill方程表示的經、緯、向徑作為狀態,分析軌道動力學模型、采樣周期以及敏感器測、安裝等對定軌精度的影響。
  6. The steady - state errors of current closed loop system with pi current regulator in stationary and synchronous frames are compared using complex vectors. also, the corrector of rotor displacement control is studied by the root locus method

    應用復合概念,對比了靜止坐標系和同步旋轉坐標系pi電流調節器組成電流閉環系統的穩態,並用根軌跡法對轉子位移控制系統的校正環節進行了研究。
  7. And we analyzed the effect of the big gun erect axis incline trunnion axis is out of the vertical of the erect axis and the big gun axis is out of the vertical of the erect axis to measuring accuracy

    轉軸公式進行了推導,並利用它計算出了火炮豎軸傾斜、炮耳軸與豎軸不垂直、炮膛軸線和炮耳軸不垂直三種對測精度的影響。
  8. The error criterion is derived from rotation vector concept directly. in the coning motion environment, a class of rotation vector optimal algorithms are derived and evaluated with the rule of making sure of the minimum coning error. 3

    從旋轉的概念出發,推導了演算法的精度準則,在典型的高動態環境? ?錐運動作為輸入條件下,以使錐最小為原則,推導了旋轉各階子樣演算法及其優化演算法,並與傳統的四元數演算法進行了比較; 3
  9. Meanwhile, advantages of the least calculation workload, the simple process, and the convenient for implementation are brought while switch states are described as space vectors in the - coordination system

    利用-平面內的空間描述開關組合狀態,使得函數的計算工作小、過程簡單,易於實現。
  10. Evm measurement algorithm for td - scdma ue conformance test based on iterative process

    基於迭代的時分同步碼分多址系統終端誤差矢量值一致性測試演算法
  11. This paper also analyses the affect of signal leaking using the concept of poynting, and puts forward a formula to describe the connection of antenna interval and test precision from theoretics

    利用求解波印亭的方法,推導了由於陣面輻射單元信號泄漏所帶來的試驗公式,進而從理論上分析了輻射單元間距對試驗精度的影響。
  12. 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、測速及偽距分、相位平滑偽距分以及有關的模型改正、 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。
  13. The theory includes quaternion and rotation vector, coning error, sculling error and scrolling error and the compensating methods of these errors. 2

    基本理論包括四元數和等效旋轉演算法、圓錐及其補償演算法、劃船產生的機理及其補償演算法、渦卷產生的機理及其補償演算法。
  14. Secondly, the improved rotation vector algorithms in the pure coning motion are discussed and the computing burden is compared with each other. lastly, computer simulations are executed to test the algorithms " performance. the results show that the rotation vector algorithms can improve the precision of the attitude calculation effectively

    分析了高動態環境下捷聯慣導圓錐的產生機理,研究了純錐運動條件下姿態更新的旋轉優化演算法,對各演算法的計算和精度進行了對比,最後對各演算法進行了計算機模擬,模擬結果表明:旋轉演算法能有效提高姿態演算法的精度; 2
  15. This method constructs covariance matrix by utilizing data vectors in different range lines and projects phase error vector into noise sub - space which is formed by eigendecomposing the covariance matrix

    該方法利用不同距離單元的觀測構造協方矩陣,然後通過對協方矩陣特徵分解得到噪聲子空間,最後將相位誤差矢量向噪聲子空間投影來估計多普勒調頻率。
  16. To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface

    以圓函數和回轉運動群為工具討論了曲面的變換,利用理論橢球面的曲面建立了實測曲面的數學模型,通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。
  17. The multi - port measurement system has the widespread use in microwave measurement, the measurement of multi - port device with two - port vector network analyzer ( vna ) is researched. this paper analyzes the commonly used error models and calibration methods of vna, program a trl calibration procedure for two - port vna, and compare the tested data with the data from vna. the comparison show that the programmed trl calibration procedure is in the same accuracy as the vna

    本文討論了兩埠網路分析儀常用的模型和校準方法,編制了兩埠網路分析儀基於trl校準法的校準程序,並把校準后的測結果和網路分析儀校準后的測數據做了比較,比較結果說明編制的trl校準程序校準效果和網路分析儀校準的效果相同。
  18. A new weighted modeling algorithm is presented and the weight value learning algorithm is solved, another integrated modeling method is also presented. two models can improve the precision compared to the traditional algorithm

    首先對基於法的綜合模型進行了改進,將刀具磨損考慮其中,這樣使得模型更為全面,並且提出了補償的實現方案。
  19. Due to its character of microscopic scale motion, a very simple position kinematic equation is achieved. based on the equation obtained, the workspace of the serial - parallel micromanipulator is described, and the effect of different structural parameters on the workspace is also discussed. in order to evaluate the output errors caused by the structural errors and actuator errors, accuracy analysis is then conducted for this serial - parallel micromanipulator, and an approach based on software programming is presented for error compensation

    由於所研究的微操作機器人運動范圍很微小,機構結構及驅動都可能造成機器人的操作精度嚴重降低,為評價這些機構對運動精度的影響,本論文以法對該機器人機構進行了分析,並討論了補償的軟體法;此外,論文還進一步研究了遺傳演算法在並聯機器人機構學研究中的應用,為並聯機器人位置正解問題求解提出一種新思路。
  20. The attitude algorithm of ship strapdown inertial navigation system under the condi - tion of swaying motion is studied. the cause of the noncommutativity error is also analysed, and the rotation vector is presented to decrease the error. the simulation results indicate that the rotation vector can greatly increase the attitude accuracy

    以船舶為對象,研究了搖擺運動下的捷聯慣導姿態解算問題,分析了不可交換性產生的原因,提出了消除該的等效旋轉方法.模擬結果表明,等效旋轉方法提高了導航精度
分享友人