given trajectory 中文意思是什麼

given trajectory 解釋
給定彈道
  • given : adj 1 一定的，特定的。2 給予的，贈送的。3 〈數學推理等的獨立用法，表示條件）已知的，假設的。4 愛...
  • trajectory : n （拋射體的）軌道，彈道；流軌；【幾】軌線。 a curved [direct fire flat highangle fire low] traje...
  1. The system can display in 3d the robots with higher quality graphics on pc by adopting the solid model technology, and modify the model of robots according to the size given by users, so that the parametric modeling is realized under interactive mode. it realizes the graphics simulation of robots in kinematics in both articulatory space and cartesian space, and it also realizes the animated simulation of trajectory of linear interpolation in point - to - point mode. the movement of robots can be realized by graphics teaching or programming

    該系統採用實體造型，能在微機上顯示較高質量的機器人的三維圖形，可以按照用戶給出的尺寸修改模型，在交互方式下，實現機器人的參數化造型；系統能夠在關節空間和笛卡爾空間中進行運動學的圖形模擬，能進行點到點直線插補軌跡的動畫顯示，機器人的動作可以示教再現，也可以由程序設定。
  2. In this paper, a space model of antisubmarine homing torpedo ' s trajectory has been established based on the surface warship attacking underwater target, a formula which can be used to calculate the trajectory length of antisubmarine horning torpedo is also given

    在建立了水面艦艇發射反潛自導魚雷攻擊水下目標的空間彈道模型的基礎上，提出了反潛自導魚雷全彈道長度的一種計算公式。
  3. Trajectory control algorithm is also presented to make the excursion of flight converge to zero in given limited time during flying. it is mainly used to control and reduce the excursion and crab angle within given limited time when the aerocraft is following the reference flight path

    然後本文提出了用於控制飛行器在跟蹤參考航跡過程中出現的航跡偏移和偏航角的航跡控制演算法，該演算法能有效地使航跡偏移量和偏航角在給定的時間約束內收斂。
  4. On the basis of solving ballistic equation in real - time, the authors solved the unified calculation problem of non - flat trajectory comprehensive coefficient under the condition of strong constraint, found the estimating method of flat trajectory comprehensive coefficient, carried out the generalized design of solving trajectory model in real - time, and given a program flawchart

    摘要根據基於彈道方程的實時解算演算法，解決了強約束條件下非低伸彈種彈道綜合系數的統一計算問題，找出低伸彈種彈道綜合系數的估計方法，進行了彈道實時解算模型的通用化設計，給出了程序流程並進行了測試。
  5. As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory

    為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高
  6. In the following part, trajectory design and computation are given, including fight scheme and control & navigation laws. through the design and computation, the profile of attack angle, trajectory angle and pitch angle are designed. these works provide theoretical fundamentals for dynamics analysis and practical trajectory design

    第三部分內容是對導彈的彈道進行設計與計算，給出導彈在各段的飛行方案或導引規律。設計出導彈在整個飛行過程中的質點彈道，迎角、彈道傾角和俯仰角等參量在導彈攻擊目標過程中的變化規律，為進一步的質點系彈道和動態分析提供理論基礎。
  7. In this paper. the question of compound guidance about mid - long range air - to - air missle to be considered. the main contributions are as follows : first, two midcourse guidance laws are given. that is optimally predictable pn micourse guidance, which is suitable for middle range missle, and singularly perturbed midcourse guidance. which is suitable for long range missle guidance ; then two terminal guidance laws are given. that is variable structure guidance, which is suitable for passive radar guidance. and optimal guidance which is suitable for active radar guidance ; and then the error sourses of hand - off are researched, the hand - off law is given at the time ; fmally, the midcourse guidance laws and terminal guidance laws are tested by simulation, and the whole trajectory simulation are given through hand - off law, and the results are satisfied

    主要工作如下：首先研究了用於中遠程空空導彈復合制導的兩種中制導律，即用於中程導彈的最優預測比例導引中制導律和用於遠程導彈的奇異攝動中制導律，它們均有很好的中制導性能，能夠滿足中末制導的交班要求；接著研究了兩種末制導律，即用於被動雷達末制導的變結構制導律和用於主動雷達導引頭的最優末制導律，均適用於復合制導末制導段；然後分析了中末制導的交班誤差源，討論了用於復合制導的交接律；最後通過模擬，驗證了提出的中制導律和末制導律，結合提出的交接規律，在不同的情況下對中末制導段彈道進行了模擬驗證，結果證明文中提到的中末制導律能夠達到性能指標要求。
  8. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計，該航跡產生器是研究組合導航問題的前提，從國外一些研究組合導航系統的文獻中可以看出，設計這樣一個航跡產生器是非常必要的，所以本文自行設計了這樣一個系統；還討論了捷聯慣性導航系統中捷聯解算的方法，並進行了模擬研究，由於在本文設計的閉環反饋式組合導航系統中，對捷聯慣導系統的平臺誤差進行閉環控制，需要將濾波器輸出的校正量反饋到捷聯解算內部，所以必須對捷聯解算進行深入的研究和分析，更何況捷聯解算問題本身也是導航界的一個熱門研究課題；另外，本文還介紹了gps軌道及其星座模擬的設計思想和方案，與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始，逐步進行gps軌道及其星座模擬，這樣的設計方法對從事衛星導航的研究工作是有價值的；還對組合導航中誤差建模方法進行了研究，綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法，並運用實際研究工作中的測量數據對該方法進行了驗證。
  9. By means of the precise integration method with lagrangian interpolation the trajectory of the shaft center, the poincare mapping and the bifurcation graphs are numerically given. the results predicted by the floquet theory are checked and the long - term dynamic behavior of the system is predicted. it is shown that the system has rich nonlinear behaviors at some m combination of the four parameters, for examples, multi - frequency subharmonic resonance, as well as chaos phenomenon from doubling bifurcation and twice hopf bifurcation

    通過lagrange插值精細積分法數值給出系統的軸心軌跡圖、 poincar映射圖、分叉圖，檢驗floquet理論預測結果並預測系統的長期性態，顯示系統在四個參數組合的某些范圍內具有豐富的非線性特性，還存在多形式次諧波解，以及由倍周期分叉、二次hopf分叉通往混沌的現象。
  10. The cause ( s ) and characteristics of vehicle rollover accident are analyzed, the general theory and method are given on reconstruction analysis of this kind of accident. the ‘ three phases ’ theory of vehicle rollover reconstruction analysis is put forward, which are pre - trip phrase, trip phrase and post - trip phrase, adopting relevant theory models, experiential formula and trajectory model in reconstruction analysis. on the basis of certain assumptions, several dynamics and kinematics models describing the vehicle rollover process are established, and the functions between cvs and impact time, impact height or other parameters are gained. then the

    基於以上研究背景和社會需求，本文在國內外現有研究成果的基礎上，對汽車滾翻事故再現分析的一般理論和方法進行研究，擬定應用於實際汽車滾翻事故再現分析的一般流程、演算法和規則，建立了滾翻軌跡模型，開發了滾翻事故再現分析模塊（ car - rar ） 。
  11. The main contents are given as following : firstly, the existing sensitive analysis is analyzed in detail, and the thought of applying the trajectory sensitivity in transient stability analysis and dynamical security control is proposed

    論文的主要內容如下： （ 1 ）詳細分析了現有靈敏度分析方法的不足之處，得出軌跡靈敏度分析方法適合於電力系統暫態穩定分析和動態安全控制。
  12. This thesis introduces the design of aero - dynamic calculation module, trajectory calculation module, and the visualization simulation module. at the last a example of visualization simulation of a kind of air - to - air missile was given

    第五章講述氣動計算模塊，彈道計算模塊以及可視化模擬模塊的程序設計，並對某空空導彈的飛行過程進行了可視化模擬。
  13. In this paper the model of pill flying outer ballistic trajectory is established, and the aerodynamic force calculating method is given. the author set forth the relation of small caliber gun currency firing table and ballistic trajectory consistency, and give testing relation formula of small caliber gun cartridge ballistic trajectory consistency ; at the condition of navy 37 millimeter gun, the design of improved shrapnel currency firing table project is studied ; the data of shooting experimentation is analyzed, and have contrast analysis with theory calculating result. give better improved shrapnel project, and the ballistic trajectory consistency experimentation show that the project satisfy the request of the ballistic trajectory consistency

    本文應用了彈丸飛行時的外彈道模型並結合彈丸的氣動力計算方法，分析了小口徑艦炮通用射表與彈道一致性的關系，並給出了小口徑艦炮彈藥彈道一致性的檢驗關系式，研究了在海37艦炮的條件下對改進榴彈通用射表方案的設計，進行了對空射擊試驗數據的分析，並與理論計算結果進行了對比，給出了相適宜的改進彈方案，並經彈道一致性試驗驗證該方案滿足彈道一致性要求。
  14. The controller designed guarantees the semiglobal stability of the closed - loop system and the semiglobal output tracking of given desired trajectory

    所設計的控制器不僅保證閉環系統半全局穩定而且使得輸出能夠半全局跟蹤期望軌跡。
  15. The results show that this algorithm can control vehicle to follow the pre - given trajectory accurately, and good robustness and adaptability are also shown

    結果表明：該控制演算法可較為精確地控制汽車對預期行駛軌跡的轉向運動，並體現出良好的魯棒性和自適應性。
  16. The implement process using this method is given, and combined with the representative parameters at the entire missile flight trajectory, the control effect is analyzed by simulation, and the simulation result has demonstrated the method is valid

    給出了應用該方法的具體實現步驟，結合導彈飛行的全彈道典型特徵點參數，通過模擬實驗說明了設計方法的有效性。
  17. Then s - style high maneuver trajectory with high angles of attack is simulated by given control commands of angle of pitch

    進行了俯仰平面s型軌跡機動飛行模擬，模擬結果說明了大攻角飛行的高機動特性。
  18. In capter 2, it is proved that the system possesses a global attractor and a two - side estimate for the fractal dimension of it is presented. in capter 3, several different approximate intertial manifolds of the system are constructed by applying linear galerkin method, method of projecting operator and operator eigenvalue and successive iterative method, and it is proved that arbitary trajectory of the system enters into a small neighbourhood of the global attractor after large time. capter 4 studies the asymptotic attractor of the system by constructing a solution sequence which approaches to the global attractor of the equation in long time, and the dimentional estimate of the asymptotic attractor is given

    第二章證明了該系統的整體吸引子的存在性，給出了其分形維數的上下界;第三章利用線性galerkin方法、運算元投射和運算元特徵值方法及逐次迭代方法構造了幾類近似慣性流形，證明了該方程的任意解軌道在長時間后進入整體吸引子的任意小鄰域;第四章構造了一個有限維解序列即該系統的漸近吸引子，證明了它在長時間后無限趨于方程的整體吸引子，並給出了漸近吸引子的維數估計
  19. The dynamic equations are derived, which can be used to obtain the trajectory of the end - effector for given input joint angles or input joint torques

    由此推導出了對于給定的關節輸入求解柔性機器人末端軌跡的動力學方程。
  20. This paper proposes a new algorithm adopting the multi - trajectory dynamic tunneling technique and the error - limitation dynamic changing technique to train the bp neural networks. the simulation results are provided for three different examples to demonstrate the performance of the proposed method in overcoming the problems of initialization and searching efficiency. the performance of the conventional dynamic tunneling technique and the multi - trajectory dynamic tunneling technique in training bp neural networks are also given and compared in this paper

    並將該演算法在xor 、某醫藥公司物流數據和kddcup三個數據集上進行了測試，對傳統動態隧道技術訓練bp網路演算法（ dttbp ） 、單純使用多軌道思想的動態隧道技術訓練bp網路演算法（ smdttbp ）和本文提出的使用多軌道動態隧道思想結合動態修改誤差限方法的多軌道動態隧道訓練bp網路演算法（ mdttbp ）的實驗結果進行了對比分析，證明提出的演算法可以有效地避免陷入局部極小，同時也提高了傳統動態隧道技術訓練bp網路演算法的搜索效率。
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