時態坐標系 的英文怎麼說

中文拼音 [shítàizuòbiāoxì]
時態坐標系 英文
temporal coordinate system
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  1. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段，模擬日、地、月敏感器測量信息，即日、地、月在航天器本體坐標系下的方位信息，結合日月星歷，建立狀態方程及觀測方程，通過最小二乘法得到歷元時刻的軌道狀態初始值，將其代入軌道狀態方程進行自主導航。
  2. Secondly, we introduce the theory that flat systems, an important subclass of nonlinear systems introduced via differential algebraic methods, are defined in a infinite dimensional differential geometrical framework. utilizing this method, the control system of the vtol aircraft becomes a linear control system. finally, we introduce the theory that is found by my teacher, wanghong professor

    3 、應用平坦性分析方法和整體微分幾何方法分別分析了pvtol飛機在其起飛過程時的控制律，得到了該系統的整體化方程，指出了該系統是能控能觀的，並且指出該系統是平坦的控制系統，可以通過動態狀態反饋和適當的坐標變換使之變成線性系統。
  3. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  4. The coordinate systems and time systems are described in detail at first, then the paper presents the whole algorithm containing line of sight generation and projection attitude data combination scan mirror calibration, find corresponding grid cell, resample. at the same time, scan gaps and detector delays are analyzed in detail

    論文首先對校正過程中用到的時間系統和坐標系統作了介紹，然後給出了完整的校正演算法，包括視線產生和投影、姿態合成、掃描鏡校正、尋找校正圖像空間像素到未校正圖像空間的對應像素位置、重采樣這幾個部分，並在相鄰掃描行間隙的插值上採用了簡潔的方法。
  5. To avoid collision with static and dynamic obstacles, the magnitude and direction of the acceleration of mobile robot was adjusted dynamically in real time based on the relative acceleration information

    相對坐標系中，採用包含相對加速度信息的避碰演算法，通過動態實時地調整機器人加速度的大小和方向，使其避開障礙物。
  6. It also builds the mathematic model of all section of vscf ac exited wind power generation system on a - b - b and d - q coordinate system by the coordinate commutation technology. the thesis gives the characteristics of torque, active power, reactive power and the steady - state analysis of it. it proves that the capability of wind generator is determined to slip, the amplitude and phase of rotor voltage, the phase dispatch between stator voltage and rotor voltage

    並分析了交流勵磁風力發電機作變速恆頻運行時的工作原理，闡述了與同步發電機、異步發電機的不同之處，分析了其能量平衡關系，在坐標變換技術的幫助下，詳細推導了交流勵磁發電機在a - b - c坐標系和d - q坐標系下的數學模型，分析並模擬了其有功和無功特性、轉矩和功率調節特性、穩態運行和機械特性，證明了發電機的性能由轉差率、轉子電壓的相位和幅值、定轉子電壓相位差所決定的。
  7. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下： （ 1 ）研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理，合理分割銑床控制系統的管理任務，根據任務的要求賦予不同的優先級和調度時間，保證任務的執行效率和實時性； （ 2 ）開發底層設備驅動程序和應用程序介面（ api ）函數，以便於進行系統應用軟體的開發； （ 3 ）深入研究fat16文件系統的結構和固態盤的硬體特性，參照fat16文件系統的管理思路，開發固態盤文件管理軟體以有效管理nc代碼文件； （ 4 ）深入研究由arm主控板、鍵盤板、 i o控制板、編碼器信號採集板等裝置組成的串口通訊網路可靠通信的模型及其通訊協議，開發串口通訊網路通信軟體； （ 5 ）研究字元的顯示原理和在操作系統中嵌入字庫的方法，在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法，開發中文字庫嵌入軟體，滿足開發操作界面的信息要求； （ 6 ）深入研究三維圖形坐標變換的原理，開發實用的三維加工軌跡顯示軟體，便於操作者對零件的加工過程進行監控和診斷。
  8. On the condition of selecting east - north - up coordinate as navigation coordinate and supposing the updating periods for attitude, velocity and position all the same, the digital algorithms for sins are deduced in details

    以東北天坐標系為導航坐標系，假定姿態、速度和位置更新周期相同時，詳細推導了捷聯慣導的數字迭代演算法。
  9. To avoid collision with the static and dynamic obstacles, we move the relative velocity away from the collisions field by adjusting the robot velocity value and direction real - time dynamically in acceleration space based on relative coordinates

    此方法是基於相對坐標系，在加速度空間中，通過動態實時地調整機器人自身速度的大小和方向使其離開碰撞區域，即碰撞危險區域，達到與動、靜態障礙物之間的避碰。
  10. Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate

    在對損耗分析的基礎上，建立了考慮鐵損時異步電機的動態數學模型，推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法，並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。
  11. Presents the new independentmodal - space variable structure control for flexible structures with distributed parameter model, which is decoupled into a number of 2 - dimensional subsystems in terms of coordination transmission where, the variable structure control law is designed within the given boundary of structural uncertainty and disturbance, and concludes from simulation results that the algorithm is not only simple so as to accomplish in real time, but also is very robust

    對具有分佈參數模型的撓性結構提出了模態空間變結構控制方案，利用坐標變換把整個系統分為若干個獨立的二維模態子空間.在每個獨立的模態子空間內，在給定參數不確定性范圍和干擾力矩范圍的情況下，設計變結構控制控制器.通過模擬驗證了控制演算法的有效性;控制演算法簡單，易於實時完成，又具有較好的魯棒性
  12. Firstly, this paper presents the coordinates and time system for discribing satellite motion, and then gives the models of orbit and attitude and satellite relative motion, considered the j2 perturbation

    本文首先給出描述衛星運行所需的時間系統和坐標系，然後建立衛星軌道、姿態動力學模型和基於軌道根數的衛星編隊飛行相對運動方程，並考慮j2項攝動的影響。
  13. In chapter 3, the non - linear equation was linearized with the jacobi matrix, and then the linearized equation was transformed into fixed frame to analyze the stability problem with eigenvalue method ( on - ground or hovering ) or floquet theory ( forward flight ). meanwhile, the equation was perturbed by sweep frequency excitation from steady state to get transit decay of lag response which was then transformed into fixed frame with a numerical fourier coordination transformation ( fct ). the fixed frame response along with the body response was analyzed via an fft to determine modal frequencies

    然後，在穩態響應的基礎上利用雅各比矩陣對非線性方程進行了線化，線化后的方程利用多槳葉坐標變換轉換到固定系下后，利用直接特徵值分析（地面、懸停）或floquet理論（前飛）對系統進行了穩定性分析;同時，對系統進行了瞬態響應分析;在系統達到穩態的基礎上進行掃頻激勵，用fft變換求得系統頻率，進而用移動矩形窗方法分析得到系統的阻尼。
  14. After analyzing the mathematical model of wind turbine and doubly - fed induction generator, a schematic is given about the power flow in the wind turbine and generator and a static equivalent circuit is shown as well. then, through the reference frame transform, the electromagnetic equation, dynamic equivalent circuit, and vectorgraph of doubly - fed generator can be gotten in the dq reference frame. in virtue of the general dynamic equivalent circuit, it produces a asymmetry equivalent

    本文在對風力機和雙饋電機進行了數學分析后，給出了功率在風力機和雙饋電機中的流動過程圖解，同時給出了雙饋電機的穩態等效電路；然後，經過坐標變換，進一步得出了同步坐標系下雙饋電機的基本電磁方程、功率方程、動態等效電路和綜合矢量圖，並藉助通用動態等效電路的形式，得出了便於定子磁鏈分析的不對稱等效電路。
  15. Fifthly, by adopt new matrix coordinate system means, found a tricycle wmr ' s kinematic model, especially the investigation in the kinematically modeling of steered wheel and non - steered wheel. at the same time, the dynamic modeling of robot ' s playing football motion, consummate mobile robot ' s system. by the comparison with the two - wheeled differential drive structure on line or circular track ' s simulation experiment result, illustrate the tricycle wmr ' s superiority more and more

    第五，採用新型的矩陣坐標系方法，建立了三輪式機器人的動力學模型，尤其是在導向輪和非導向輪的動力學建模方面進行了深入的研究；同時，對機器人踢足球的運動進行動態建模，進一步完善了移動機器人體系。
  16. The third chapter involves some problems on attitude determination and integrity ambiguity resolving. using three formation flying satellites for an earth observation as an example, the forth chapter contains some problems about determination of inter - satellite position, attitude and time, by using high precise pseudo - ranging observation onboard pseudolites. the problems are the selecting of coordinate system and independent state parameters, the setting of observation equations, and the conversion of constellation ' s states

    第四章以三星編隊星座為例，討論利用擴展的高精度星間偽距觀測進行星間相對位置、姿態和時間參數確定的一些問題，包括：坐標系、獨立參數的選取、觀測方程的建立和星座狀態的轉換等。
  17. It analyzes the analytic relationship between the static mathematical model and the parameters including 5 stewart platform structure parameters and 6 coordinate system parameters when the coordinate system changing. it lays the foundations for studying sensor ' s performance indices deeply

    分析了當坐標系變化時，傳感器靜態數學模型和stewart結構的5個結構參數以及坐標系的6個參數之間的解析關系，為傳感器性能指標的深入研究奠定了基礎。
  18. In the course of open - loop control system, the simulation model of asynchomous motor is obtained and realized in simulink. this simulation model ' s structure is simple and its static and dynamic performance is good

    在開環控制系統的模擬中，推導出一種異步電動機在mt坐標系下的模擬模型，該模型具有結構簡單、靜態、動態性能良好的特點，同時這個模擬模型也用於閉環系統。
  19. For the direct current decouple controller, the p1 adjustor ? parameter of current and voltage loop ? is designed. the correction of the designed parameter is testified by simulating on two phase synchronization coordinate and three phase stationary coordinate, the simulation wave is given

    對直接電流解耦控制器的電流環和電壓環的pi調節器參數進行了設計，並通過在兩相同步坐標系與三相靜態坐標系的模擬驗證了設計參數的正確性，同時也驗證了直接電流解耦控制方案的可行性，給出了模擬波形。
  20. The author firstly analyzed the mathematic model of the cascaded brushless doubly - fed machine ( cbdfm ) on the dq and mt coordinate rotating at rotor speed and synchronous speed seperatly, and the equivalent circuit of steady state. the author also analyzed the stator power winding flux oriented vector control strategy of the cbdfm as vscf wind power generator and validated the validity of the model and strategy by the simulation analysis

    此外，本文還首次詳盡地分析了級聯式無刷雙饋電機在轉子機械速dq坐標系、定子同步速mt坐標系下的數學模型，穩態等效電路及作變速恆頻風力發電機運行時的定子功率繞組磁鏈定向矢量控制策略，通過模擬分析驗證了模型和策略的正確性。
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