極坐標系統 的英文怎麼說

中文拼音 [jízuòbiāoxìtǒng]
極坐標系統 英文
polar coordinate system
  • 極 : i 名詞1 （頂點; 盡頭） the utmost point; extreme 2 （地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • 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
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. Firstly, this paper designs a polar coordinate barotropic vorticity equation semi - spectral model and a quasi - geostrophic grid model in order to research the propagation of vortex rossby waves and tropical cyclone intensity change entirely

    本文首先設計了一個極坐標系正壓渦度方程的半譜模式、一個準地轉格點模式對渦旋rossby波傳播和熱帶氣旋強度變化進行了較為系統的研究。
  2. The paper abstracts out the palmprint mainline characteristic owing to palmprint image gradation by the gray value characteristic property method, defining the online palmprint characteristic space with the form of the polar coordinate and compressing the dimension, at last we use the neural network to accomplish the design of identification authentication system with the on - line palmprint as the mating algorithm. based on this, a fast and reliable system of identification authentication can be built

    採用基於掌紋圖像灰度特性的方法提取出掌紋的主線特徵，以極坐標的形式定義在線掌紋的特徵空間並降維處理，最後用神經網路作為匹配演算法完成在線掌紋身份驗證系統的設計，以此為基礎建立了快速、可靠的新型身份認證系統。
  3. The properties of the key optical and electrical devices and the controlling mode in the system are put forwards. using the polar coordinate lines with different directions and the circulars with the same axis can be written together. by using he - cd laser ( 442nm ) as writing light source, the system can directly write line with width 05 # m on a sample

    本文的主要目的是建立了一種極坐標和直角坐標相結合的激光直寫系統的原理樣機，探討系統的各部分器件的基本性能要求，為今後研製高精度激光直寫系統做好工作基礎，分析了激光直寫系統中關鍵器件的性能要求，基本控制方式，實現了極坐標方式下，任意旋轉角度直線圖形與共心圓環的光刻。
  4. First, proper initial conditions between ekv and target are the premise of hit - to - kill. capture region is described by equations of relative motion defined in modified polar coordinate while phasetrajectory graph is introduced. and the disturbance of initial condition biase is analyzed by cadet through statistical linearization of ekv dynamical model

    本文在修正極點坐標系中建立攔截器和目標之間的相對運動方程，結合相平面軌跡圖，分析了大氣層外動能攔截器的攔截區;對大氣層外動能攔截器動力學模型進行統計線性化，採用協方差分析描述函數法，分析了初始狀態誤差對彈道的影響。
  5. First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target

    本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。
  6. The maximum likelihood registration algorithm based on earth - centered earth - fixed ( ecef ) coordinate system considers the geometry of the global, and eliminates errors introduced by the stereographic projection. the simulation result based on this registration algorithm shows that the satisfied angular biases can be preliminarily obtained. 5

    基於地心坐標系的傳感器極大似然配準演算法考慮到了地球曲率的影響，克服了立體投影法的缺陷；採用這種演算法，我們可以把不同傳感器局域坐標系的量測轉化到地心坐標系中，變成統一的量測，便於融合中心做進一步的處理；模擬結果表明這種演算法可以得到較為滿意的角度偏差。
  7. Aluminium and aluminium alloys - anodizing - rating system for the evaluation of pitting corrosion - grid method

    鋁及鋁合金.陽極氧化.斑蝕評定的等級系統.坐標法
  8. This paper investigates the two interrelated problems from the following two parts : first part, a polar coordinate quasi - geostrophic barotropic model, a cartesian coordinate quasi - geostrophic barotropic model, a quasi - geostrophic baroclinic model, and a quasi - geostrophic barotropic vorticity model under the condition of non - stationary typhoon circulation are designed within the framework of advection dynamics, and systematically dynamic studies on effects of different physical processes on the intensity of typhoons are conducted

    研究內容分兩個部分。第一部分，在平流動力學框架內設計了一個極坐標準地轉正壓模式、一個直角坐標中準地轉正壓模式、一個準地轉斜壓模式、以及一個非定常臺風環流條件下準地轉正壓渦度模式，對引起臺風強度變化的不同物理過程進行了較系統的動力學研究。
  9. The log - polar transform ( lpt ) is a well - known space - variant image representation used in many image vision systems to eliminate the effects of scale and translation for the input image

    摘要對數極坐標變換是圖像的一個空間變體表示，很多圖像視覺系統用它來消除輸入圖像的縮放和平移效果。
  10. This paper does research mainly on content based trademark image retrieval, especially on subblock - based image retrieval, presenting a new subblock - based image retrieval method under the polar coordinate system for retrieving trademark image, and designs trademark tmage retrieval system based on integrated features

    本文對基於內容的商標圖像檢索，尤其是對分塊檢索方法進行了研究，提出了一種新的基於極坐標下分塊的商標圖像分塊檢索方法，並設計開發了一個基於綜合特徵檢索的商標圖像檢索系統。
  11. Polar coordinate system

    極坐標系統
  12. The factors that influence the laser echo rate are analyzed in this paper and then elucidated that the application of this principle improved the echo rate greatly. 4

    從對目標坐標測定儀中激光回波率的分析入手，闡明了應用圖像取差原理極大地提高了測距系統的回波率的原因。
  13. Full digital computerized three - dimensional precise position syetem : it is the wold most advanced 128 guide fulldigital computerized three - dimensional precise position syetem which could monitor epilepsy patient pre - operation, in the operation and after operation. it consists of a 128 guide double - video synchronized electro - encephalographic long - distance monitoring system, a dipole three dimensional imagine position and analysis, a spine peak wave automatic recognized system, eeg and ct mri. these system are full of worldly advanced techniques, precisely providing the preliminary three - dimensional coordinate position of epilepsy inducing foci for surgery and gamma knife therapy

    是世界最先進的128導全數字化癲癇術前術中術后診療評估系統，由128導雙視頻腦電同步長程監測系統偶極子三維圖像定位分析系統棘尖波自動識別系統eeg與ct mri圖像融合系統等組成，擁有多項世界領先技術，為外科手術和伽瑪刀治療癲癇提供了精確的「致癇灶」原發三維坐標位置。
  14. Simulation study shows 2. 5db imd3 suppression can be improved compared with common polar lut predistorting system that has same 64 lut entries. besides the studying of indexing technique, the adaptive refresh algorithms of lut are studied and a new algorithm is obtained

    模擬研究表明，在相同64位表項的極坐標預失真系統中，對比幅度索引技術該新型索引技術可以提高2 . 5db的imd3壓縮性能，但不增加硬體實現成本。
  15. Instead of 640 fibers, it realized the large area multi - object observation by use of 4 000 fibers. according the request of project, mechanical character, controlling and positioning method were firstly analysized. then through studying geometry modeling, convex hull, polygon collision test and other arithmetic, the positioning, controlling and collision test method are proposed which are suitable for radial coordinates unit

    本文根據工程的要求，首先對光纖定位裝置的機械特徵、控制方式、定位方法做了分析，然後通過研究現有的幾何造型、凸包構建、多邊形碰撞判斷等演算法理論，研究出適合極坐標運動單元的表示、控制、判斷方法，並最終在虛擬系統中實現了4000個光纖定位單元的存儲表示、定位控制、碰撞判斷（即實時監控） 。
  16. Finally they were realized in virtual system. the experiments were designed for testing fiber ' s positioning precision, controlling time, fiber rate of utilization. the experimental data were obtained which totally reach specification requirement for the project

    根據系統定位精度、控制時間、光纖使用率等技術要求，在虛擬環境中測試得到了極坐標運動單元的各方面性能數據，完全達到了項目的技術要求。
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