極坐標定位 的英文怎麼說

中文拼音 [jízuòbiāodìngwèi]
極坐標定位 英文
polar coordinate positioning
  • 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; ...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  1. An robust object locating method based on log - polar transform and affine transform

    基於對數極坐標變換和仿射變換的目標識別定位方法
  2. At first we improve the methods of iris image preprocessing, including an efficient arithmetic of evaluation iris images, an improving method of locating iris, calibrating iris image by the translation of coordinate and the circular shift of code, a eatimate of the background illumination by bicubic spline, and the image enhancement by the dual tree complex wavelet transform. next we designed the recognition arithmetic based on the location of the local maxima of the wavelet transform modulus. in the thesis lots of simulation are performed by means of matlab and visual c + +

    首先改進了虹膜預處理方法，實現了一種快速高效的虹膜質量評價演算法;設計了一種改進的兩步虹膜定位演算法，準確的定位了虹膜的內外邊界;利用坐標轉換和編碼的循環移位實現了對虹膜圖像的配準;利用雙三次樣條函數擬合虹膜圖像背景，去除了非均勻光照對虹膜識別的影響;使用二分樹復數小波方法增強了虹膜圖像的對比度;在識別演算法方面，本文設計了一種「基於小波模極值點位置的虹膜識別演算法」 。
  3. Several key techniques that only exist in polar coordinate have been used in ldw processing. an efficient experiential formulation that indicates the relation between linewidth and laser power corresponding to various radial positions under constant angular velocity is presented based on the definition of exposure

    本文在極坐標激光直寫光刻技術研究中，解決了極坐標特有的關鍵技術，製作了同心環分劃板，定位精度和線寬達到了設計要求。
  4. 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。
  5. The proposed approach is compared with two commonly used ones by experimental results on the casia database and is proved its rapidity and precision. ( 2 ) in the image proprocessing, the located iris is transformed from an annual area to a rectangular area, then the image is enhanced and converted to some 1d signals which will facilitate the following work

    2 .對定位后的虹膜，採取了有效的歸一化方式，首先在極坐標下把虹膜從環行展成矩形，並對矩形圖像增強，再把矩形圖像化為多個一維信號，這樣，就將二維信號處理問題轉化成了較簡單的一維問題。
  6. In normalization of the iris image preprocessing stage, the iris image is normalized into a 64 1024 grey pixel image. after normalization, the normalized image is divided into three parts and then these parts are divided into eighteen bands

    接著，在虹膜圖像預處理的歸一化演算法中，本文採用直角坐標與極坐標映射理論把定位后的圖像歸一化到一個64 1024的灰度矩陣中。
  7. 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） 。
  8. 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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