確定準確位置 的英文怎麼說

中文拼音 [quèdìngzhǔnquèwèizhì]
確定準確位置 英文
spotting
  • 確 : 形容詞1. （符合事實; 真實） true; reliable; authentic 2. （堅固; 堅定） firm
  • 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...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 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...
  • 置 : 動詞1. （擱; 放） place; put; lay 2. （設立; 布置） set up; establish; arrange; fix up 3. （購置） buy; purchase
  • 確定 : 1. （明確地定下） define; fix; determine; ascertain 2. （明確而肯定） definite; certain; for sure
  1. This paper describes an automatic contest robot from the cctv holding “ the first robot tv contest all over the academician ”, describes the function and the realization of the robot in greater detail. the robot adopts two stepper motors in the stepped driving control system and putting - ball control system like fishing, with the control of at89c52 single - chip microcomputer, it can synchronously produce driving pulse for two stepper motors and control the moving of the robot along the predetermined line

    該競賽機器人採用步進電機作為行走驅動，釣魚桿式的放球控制系統，在at89c52單片機的控制下，分別為左、右步進電機產生脈沖，控制機器人按照預設的固定路線行走，待機器人到達預定的目標位置后，同時控制多個放球機構，從而能分別將賽球準確地放入到比賽圓筒中。
  2. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  3. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 ， and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統（ pwm ）和位置環構成的定位系統中，速度環的參數隨負載特性；電網電壓；給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 ， 2 .因此在設計位置環的離散滑模控制時，必須針對速度環（即位置環的控制對象）的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ，以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果，本文作了對比性研究，並將該設計方法用於工業試驗中，取得了滿意的結果
  4. Then we present a toa / tdoa data fusion model based on mathematical statistics for radiolocation in cellular network, and fuse toa / tdoa measurements through a best linear fusion method and a mobile position based dynamic location algorithm, which shows good performance of robustness and accuracy

    然後，從數理統計的角度出發，構造了一個toa和tdoa進行位置估計的數據融合模型。主要利用一種最佳線性融合策略和基於移動臺位置的動態定位演算法對toa和tdoa測量數據進行融合，有效的提高了演算法可靠性和準確度。
  5. Even with the much closer venus, the observations were tricky ; it was crucial to know the exact geographic positions of the observing stations and to accurately time the four “ contacts ” between venus and the sun. ( the first and second contacts occur at ingress, when venus ' s disk touches the sun ' s from first the outside and then the inside ; the third and fourth contacts occur at egress. ) but the potential payoff from the observations would be enormous

    即使是距離近得多的金星，這個測量也不容易；必須要知道觀測站確實的地理位置，且要能準確測定凌日時金星和太陽發生四次接觸的時間（第一和第二次接觸發生在初切，即金星的盤面由外然後再內接觸到太陽盤面；第三和第四次接觸發生於終切） 。
  6. The position and size of the monochromator, focusing curvature radii and tilting angles of the germanium focusing monochromator under different different take - off angle, size and divergency of the second collimator and intensity loss due to the use of it were determined. the neutron flux at different wavelength, under different reflection and take - off angle of the monochromator and divergency of the first collimator, were given. the simulation on the aperture used for limiting beam size in front of the sample showed that, smaller the size of the aperture and further the distance from the aperture to the sample, greater the loss of the intensity and more serious the spread of the beam along vertical direction at the sample position which makes the practical sampling volume greater than expected

    用蒙特卡羅模擬方法對中子應力衍射譜儀的設計方案進行了優化研究，提出了一系列可供參考的數據：確定了單色器的位置、尺寸、垂直聚焦單色器在不同起飛角下的聚焦曲率半徑和傾角；討論了第二準直器的尺寸和發散，以及使用第二準直器造成的強度損失；給出了在不同單色器反射面、起飛角、中子波長和第一準直器發散度的情況下樣品處的中子注量率，以及多種組合情況下譜儀的解析度曲線；對限束方孔的尺寸、距離樣品遠近對強度損失和測量中的影響做了深入研究。
  7. 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」 。
  8. A certain number ( odd number ) of enameled flat wires, through precise action of a transposition unit, are edgewise bent, repeatedly crosswise transposed, and braided into a bundle conductor, and then the bundle conductor is wrapped with paper as its insulation so as to become a finished product

    設備的主要功能是通過換位裝置準確的機械動作將一定根數（奇數）的漆包扁線進行小邊彎曲，迭次交叉換位，編結成集束導線，然後包紙絕緣成為產品。
  9. I turns out to be that the position and degree of damage can not be well detected only by eigenfrequency, while only can detect if the damage has appeared. however, severe damage can be diagnosed if the modal shape and natural period are used

    利用以上指標對試驗構件的損傷進行識別與定位，研究結果表明，僅憑獲取的固有頻率不能準確判斷結構構件的損傷狀態及損傷位置，只能初步判斷結構中是否出現損傷。
  10. This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable

    本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含流體性質判釋等工作的基礎上，結合研究工區莫北油田的實際情況，提取了目標油（氣）層和導向標志層的測井地質模式特徵，並採用bp神經網路法和回歸分析法建立了地質導向參數的預測模型、構造了相應的對比曲線；採用幾何導向法確定鉆頭上下傾鉆進方向及其在目標層的位置，以判斷實際鉆進地層情況，很好地解決了研究工區三口水平井的隨鉆跟蹤地質目標的問題。
  11. When it arrives at the predetermined destination, the robot controls multi - putting - ball mechanisms and puts the game - ball into the drum simultaneously. on the other side, on the basis of the theory and experiment, we subjoin a line - tracking device in the robot system, ensuring the correct moving of the robot along the white index line on the venue, in order to increase the accuracy of orientation. during the automatic moving, the robot measures the position on the venue by itself, moreover, judging its direction and automatic cut - away with the single - chip microcomputer. this system has been finished the experiment, and find credibility, be in point

    同時，為了保證機器人正確地沿著比賽場地上的指示線行走，提高機器人定位的準確性，還從理論和實驗的角度，在機器人上增加了一套尋線系統，以便機器人在其自動行走的過程中，隨時檢測自身的位置狀態，判斷偏離方向，進行自動的糾正。這一套尋線系統已完成了實驗，且比較可靠、適用。
  12. 2 ) set threshold in stationary wavelet domain to separate edge and noise, estimated wavelet coefficients in texture area to reconstruct the interferogram

    3 ）在靜態小波域設置濾波閾值以區分邊緣和噪聲，根據map準則來確定信號的小波系數，然後重建干涉相位圖。
  13. In chapter 5, by number value simulation calculation and experiment of one simple support beam, we will compare the magnitude of the coupling static and dynamic stress at each point on the girder under harmonic excitation, and so find conclusions such as : ( 1 ) there are so much correlations between structure damage and environmental effect and exterior excitation leads dominant effects in structure damage that we should consider static and dynamic stress together. ( 2 ) new intension design rules should be set up, according which the range of structure possible damage position should be estimated in advance

    得到以下結論： （ 1 ）結構的破壞和環境的影響密不可分，外部激勵在結構破壞中發揮了重要的作用，應該將結構所受的靜力和動力一起考慮； （ 2 ）應該建立新的強度設計準則，並以此作為依據，對已知結構的可能損傷位置有預先的范圍估計，從而為損傷識別的準確定位提供理論依據。
  14. These “ lightspeed torpedoes ” could emerge from hyperspace at precise coordinates, allowing the galaxy gun to target virtually any world in the galaxy

    這些光速魚雷通過超太空精確的到達指定的坐標位置，這事實上已經確保銀河之槍可以瞄準銀河中的任意一個世界。
  15. The position system of the intelligent underwater twin vehicle is the miniaturized underwater position equipment, whose resiponlity is to give out the information of the utv and show the tracks of movment timely and correctly

    水下雙機器人定位系統是一套小型化的水聲定位設備，主要的任務是能及時準確的給出水下雙機器人的位置信息並能顯示運動軌跡。
  16. Localization underground target algorithm base on the best automatic curve fitter can survey velocity of electromagnetic wave in underground medium, and locate underground target. it ’ s virtue is small number of operation times. it ’ s shortcoming is subject to clutter

    基於自動最佳擬合曲線的波速測定和目標定位方法可以比較準確地計算出波速，計算出目標位置，優點是運算量小，缺點是容易受到雜波干擾的影響。
  17. This method applied to the measurement of precision of original azimuth of underwater to surface missile, through measuring exterior information using optical measurement device, measuring accurate position of shore beacon, calculating error of missile aiming system

    通過光測設備測量系統外部的信息，測量岸標的精確位置，來推算系統的瞄準誤差。對外測岸標法，建立了數學模型，詳細討論了外測岸標的標定方法、原理和方位角的解算。
  18. This expression vector plbcas - hsa - lgl has the following advantages : i ) the 1. 7kb promoter is able to drive cell - specific and hormone - dependent expression ; ii ) the inclusion of intron - 1 can increase expression level of fusion genes ; iii ) the 5 ' utr of bovine p - casein mrna may have a positive role in both transcriptional and post - transcriptional regulation ; iv ) the gfp gene make the selection of positive clone among embryos possible ; v ) the gfp gene can be easily excised via cre - mediated recombination between the two loxp sites after the expression vector has been integrated into chromosome ; vi ) the two incompatible lox sites, loxp and lox2272, would facilitate cre - recombinase mediated cassette exchange ( rmce ), which in theory will leading to develop a technology of site - specific gene expression in animal mammary glands

    該載體的特點是：具有可以調控外源基因在乳腺中特異表達的牛-酪蛋白基因5 `端側翼區和包括第一外顯子及內含子在內的5 `端調控區；將人血清白蛋白cdna準確地置於牛-酪蛋白基因第二外顯子中的翻譯起始密碼子atg之後，而且沒有增加額外的序列和使人血清白蛋白cdna移碼；引入標記基因gfp ，便於在胚胎期鑒定陽性胚胎，減少受體；引入cre lox重組系統： （ ? ）標記基因gfp的兩端的兩個loxp位點可以在表達載體整合到基因組后，刪除標記基因； （ ? ）餘下的一個loxp位點可以和前面的lox2272位點組成cre重組酶介導的盒式交換系統。
  19. Due to the two different tasks of obstacle detection : recognition of obstacles from roadsides and accurate positioning the obstacles, the dempster - shafer evidence theory based identification and extend kalman filtering based target tracking technique were adopted respectively

    具體地說，是採用了基於d - s證據理論的身份識別技術和基於擴展卡爾曼濾波的目標跟蹤技術，來分別完成障礙檢測中障礙和路邊的識別以及障礙準確位置的確定兩大主要任務。
  20. Ensure that a written report of the works is obtained from the competent person and kept. the written report should contain information on the alignment and depth of the underground electricity cable as identified

    確保取得由合資格人士提供的有關地下電纜準線位置及深度測定結果的書面報告，並且將該報告妥為保存。
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