目標加速度 的英文怎麼說

中文拼音 [mùbiāojiāsùdù]
目標加速度 英文
target acceleration
  • 目 : Ⅰ名詞1 （眼睛） eye 2 （大項中再分的小項） item 3 [生物學] （把同一綱的生物按彼此相似的特徵分為幾...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 目標 : 1. （對象） target; objective 2. （目的） goal; aim; destination
  1. Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems. the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism. the result shows that the maximal gradient of moulding plank in one motion period declines by 25. 7 after optimization, and the angular acceleration of the bottom moulding plank decreases greatly

    動力學分析中，各構件的質量和轉動慣量是通過pro / engineer軟體，先建立各個構件幾何模型而求得；然後，利用解決約束問題的罰函數法和處理無約束問題的變尺度法對mp1040b型模切機肘桿機構進行三個設計變量的優化設計，優化目標函數為肘桿機構的下模切板在一個工作行程中達到的最大傾斜程度；通過優化設計，模切機肘桿機構的下模切板在一個工作行程中的最大傾斜程度降低了25 . 7 ，其角加速度明顯減小，提高了模切機動力學性能。
  2. It will produce very big angular velocity, angular acceleration and angular jerk when tracking fast moving targets. this may lead bigger tracking error and fail to track targets

    目標速度的提高將會產生大的角速度、角加速度乃至更大的角加加速度，導致光電經緯儀電視跟蹤動態誤差急劇增大，目標逸出視場，跟蹤失敗。
  3. Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle

    針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。
  4. By picking up actual load on road of car body, use the electro - hydraulic servo road simulating system and the remote parameter cantrol system to iterate, take the iterating control target as an accelerated speed signal of spindle nose, iterate separately the loading spectrums on different road surfaces and finally merge the iterated results to obtain the loading spectrums for tests in the test bench

    通過對轎車車身實際道路載荷的採集，採用電液伺服道路模擬系統和遠程參數控制系統進行迭代（迭代控制目標為軸頭加速度信號，對不同路面的載荷譜分別進行迭代，最後將迭代的結果合併） ，得到用於臺架試驗的加載譜。
  5. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  6. When the targets maneuver slightly, we can get good result using extended kalman filter ( ekf )

    當目標做輕微機動時，將機動加速度看作噪聲採用擴展卡爾曼濾波（ ekf ）可以得到很好的跟蹤效果。
  7. With the increase of the velocity and acceleration of the moving target, it produces a large accretion of dynamic error of o - e theodolite

    隨著被測目標運動速度和加速度的不斷提高，導致光電經緯儀電視跟蹤的動態誤差急劇增大。
  8. In chapter 2, this paper analyzed the performance and the restrictions of detecting accelerating target using traditional fft method at first, and then discussed the relationship of the target, best number, the worst number and the normalized acceleration

    本文第二章分析了傳統fft積累檢測演算法對加速目標進行檢測時的性能和局限性，討論了系統應用fft方法對加速目標進行檢測時最優積累點數、分裂點數與目標規一化加速度之間的關系。
  9. The traditional evaluating and testing the tracking precision of o - e theodolite tv tracking system is nearly invalid when o - e theodolite tracking fast moving targets by analyzing in theory and simulating in this dissertation

    論文首先通過理論分析和模擬，分析了傳統的評價和檢測光電經緯儀電視跟蹤伺服系統跟蹤精度的方法無法評價光電經緯儀跟蹤快速角速度、角加速度運動目標的情況。
  10. Analysis of ambiguity - function of lfmcw radar, including symmetrical triangular lfmcw signal and multiple periods ’ symmetrical triangular lfmcw signal. 3. this dissertation advances new theories of lfmcw radar signal detection and estimation, including method for acceleration and velocity estimation based on polynomial phase transform ; method for multi - target acceleration and velocity estimation based on modification polynomial phase transform

    包括基於多項相位變換的lfmcw雷達速度和加速度估計方法;基於修正多項相位變換的多目標lfmcw雷達速度和加速度估計方法;基於一般高斯噪聲環境下的lfmcw雷達速度和加速度聯合估計方法;另外提出了基於頻域增采樣內插方法以提高lfmcw雷達測距精度。
  11. The highest level in the hierarchical trees fulfills the desired goal such as spacing, speed control or collision avoidance in vehicle cruise control. and the middle level tunes the vehicle acceleration while the lowest controls the needed brake and drive torque

    最上層是目標控制，實現期望的縱向運動（如巡航控制的目標是控制車距、車速和防撞） ；中間層是加速度控制，最底層是（驅動和制動）力矩控制。
  12. At last, under the environment of matlab, taking the track of zmp as the restrain and the minimum accelerations of joints as the optimizing aim, the parameter, which is supposed in the walking pattern design based on parameter, is optimized by genetic algorithm

    最後，在matlab環境下採用有約束的遺傳演算法，以zmp點的軌跡作為約束條件，以關節加速度最小為優化目標，對參數化步態設計中的參數進行優化並進行模擬。
  13. However, since the " line of sight " to the target is in motion, the missiles must develop a continuous lateral acceleration to stay on the beam

    然而，由於目標瞄準線處于運動之中，所以導彈必須具有連續的橫向加速度才能保持正確的航向。
  14. Furthermore, the controllers were improved to obtain better performance considering actuator saturation and the coefficient of control force. and then, according to the superiority of lmi about dealing with multi - objects, the robust performance of h _ control and the restrainability of h _ 2 control, a mixed h _ 2 / h _ controller was designed for reducing the absolute acceleration of structure or the special floors

    同時，利用h _控制的魯棒性能和h _ 2控制的抑制性能，基於lmi多目標控制理論，設計出h _ 2 / h _混合控制器，改善整體結構或特定樓層的絕對加速度，為mrd的不確定系統設計魯棒的h _ 2 / h _混合控制器提供理論依據。
  15. A kinematics model for 3d guidance problems is derived, a new kind of nonlinear variable structure adaptive guidance law is brought up by researching the variable structural strength item, and another fuzzy variable structure guidance law with self - adapt region is realized to enhance robustness of target acceleration estimate error of guidance law

    本文建立了三維空間追逃問題的數學模型;通過對變結構控制中其變結構強度項的研究，提出一種新型變結構自適應制導律;並且考慮到對變結構強度項進行模糊化，實現一種論域自調整的模糊變結構制導律，以增強制導律對目標加速度估計誤差的魯棒性。
  16. The second part brings forward a new ar - model - based arm detection method based on features of arm and characteristics of velocity and acceleration of the radar echoes. by establishing two - order ar models, this new detection method computes the poles of models representing different targets, thus estimates the acceleration of the targets so as to determine the nature of the targets. furthermore, this method can not only be applied when the arm is being tracked by radar, but also be put into use in radar ’ s seeking and scanning times

    第二部分則是根據反輻射導彈（ arm ）的特點及其雷達回波信號中速度、加速度等特徵，提出了一種新的基於ar模型的arm檢測演算法，該方法通過建立二階ar模型、估計代表不同目標的模型極點，並由此估算目標加速度來判斷目標性質，該方法不僅可以在雷達已跟蹤上arm后採用，而且適用於雷達搜索掃描時使用，模擬結果表明該方法具有解析度高，對雷達脈沖重復頻率（ pulserepetitionfrequency ， prf ）及積累脈沖數要求不高的特點，在低的prf及少的積累脈沖下，利用該方法仍可有效地識別檢測arm 。
  17. Some shortcomings of " current " statistical model for maneuvering target are discussed

    摘要討論了機動目標加速度的「當前」統計模型問題。
  18. The proposed guidance law only uses the information for the target acceleration bound ; therefore the precise measuring of target acceleration during the maneuver is not required, namely, the robustness to target maneuver is archived

    因而變結構制導律僅利用了目標加速度界限的信息。在攔截過程中，並不需要精確的測量目標加速度，也就是取得了對目標機動的魯棒性。
  19. Computer simulation by matlab shows that the tracking accuracy of the new method is preferred to the old one

    模擬結果表明，基於本文提出的機動目標加速度「當前」統計模型建立的機動目標自適應跟蹤演算法，其跟蹤精度更佳。
  20. Based on the result, a new " current " statistical model description was proposed

    提出一種改進的機動目標加速度的「當前」統計模型描述。
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