重心點 的英文怎麼說

中文拼音 [zhòngxīndiǎn]
重心點 英文
center of gravity
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • 重心 : 1 (事情的中心或主要部分) heart; core; focus; key point 2 [物理學] centre of gravity; barycentre...
  1. Improving anil jain ' s algorithm, we propose a minutiae match algorithm. our improvement is focused on the following two aspects : first, we use a minutiae alignment algorithm based on the iteration of the neighbor minutia centered at the minutia gravity. secondly, we use a modifiable bounding - box to carry out minutiae matching, which makes our algorithm more robust to the non - linear transform of the fingerprint images

    我們的改進主要體現在二個方面:首先我們利用了一種「基於附近遍歷的特徵對齊演算法」 ,該方法不需要記錄特徵的多餘信息來進行特徵的對齊;其次,我們利用一個可變大小的「界限盒」來進行特徵的匹配,使得我們的匹配演算法對指紋圖像的非線性形變具有更好的魯棒性。
  2. Smooth - smooths out a mesh by moving each vertex towards the barycenter of the linked vertices

    光滑-通過向連接頂移動每個頂來光滑一個網格物體。
  3. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺,本文提出了一種應用於激光多普勒測速的高精度信號處理技術,即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能量頻譜校正演算法對細化后的譜峰進行校正分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來,充分發揮各自的優:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率,通過goertzel演算法獲得分析頻帶的高解析度頻譜,然後通過能量校正演算法對細化后的頻譜進行高精度校正,這樣不僅保證了演算法的高效性,而且大大提高了分析的精度。
  4. In the self - calibration scheme, the thesis emphasizes the accuracy of camera intrinsic and extrinsic parameters. we presents an accurate f method based on corresponding point adjustment. the method adjusts coresponding points according to the fixedness of projective transformed cross ratio, then calculates f matrix accurately through linear and non - linear methods. when computing intrinsic parameter, a matrix, we simplify the step, and stress on the two important parameters of a. the result will be getten through solving kruppa equation based on svd decomposition. in order to compute extrinsic parameters, we use linear method to get initial r and t, then apply non - linear method to accurate them

    提出了基於匹配調整的f求精方法,先根據攝影交比不見性對手工選擇的匹配進行調整,再用線性、非線性結合的方法求精f矩陣;在計算內部參數a中,進行了一定的簡化,把放在a中要的兩個參數上,用svd分解法計算kruppa方程;在計算外部參數時,首先用線性法求解r 、 t ,然後再用非線性法迭代求精。
  5. Take a minute to get to know cyprus, and find out what makes the cypriot people tick

    花一時間來了解塞普勒斯這個國家,看看塞普勒斯人的生活為何。
  6. The core of geopolitics and fulcrum of world politics

    地緣與世界政治的支
  7. As the balancing platform tends to make the barycenter move backward, a more balancing stress distribution under the wall, a higher and steadier wall can be achieved. furthermore, the resupine back of the downward wall not only works reasonably, but also can reduce the amount of excavation and filling obviously. so gravity retaining walls with balancing platform are applied heavily

    式擋土墻因具有衡臺使墻身后移、墻底應力趨于平衡,可提高擋土高度、增強墻體穩定性;且仰斜式下墻不僅受力合理、還可減少開挖與回填量等優而被大量採用。
  8. The working key of period differs according to subbranch of a bank in the meantime, cooperate contest of labor having reward to adjust working centre of gravity in time, make a small local branch from beginning to end around subbranch of a bank this center begins the work

    同時根據支行不同時期的工作,配合有獎勞動競賽及時調整工作,使分理處始終圍繞支行這個中開展工作。
  9. According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics

    摘要根據履帶式車輛的運動特,運用數力學中矢量分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中偏移量與車輛位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。
  10. The study gets the following conclusions : 1 ) inverted nine - spot pattern water flooding is used in the early stage of the development, while linear water flooding is used in the later stage ; 2 ) well array is parallel to the fracture trend ; 3 ) the well arrangement of barycentric position method is a suitable pattern adjustment method in the later period of the development in low permeable oil fields

    研究認為,一是油田開發初期注采方式採用反九法面積注水,開發後期調整為線狀注水方式;二是井排方向與裂縫走向平行;三是「位置」布井方式對低滲透油田開發後期是較為適合的井網調整方式。
  11. In this thesis a fuzzy control system used in voltage and reactive power auto regulatory device is designed based on the nine - zone controlling principle. in the fuzzy system, the fuzzy reasoning is mamdani method and the antifuzzy is centroid method. the software matlab is used to calculate the fuzzy system. the fuzzy system divide the voltage - reactive pane into fuzzy zone, in this way the domain - swing between closing domain is eliminated

    論文對電壓無功綜合控制技術進行研究,針對傳統九區域分區控制方法無視電壓與無功耦合的缺,結合變電站電壓無功控制的實踐經驗,在傳統控制方法上引入模糊控制,設計了基於模糊控制的電壓無功綜合控制系統。模糊推理系統中採用mamdani型推理,非模糊化採用法,設計中使用matlab進行輔助設計和離線計算。
  12. The aim of this study is to explore the concentrating effects of both the electric current density and the stresses in the plate due to the existence of the elliptic hole

    其研究是定量計算橢圓孔對電流密度以及板內應力分佈在橢圓長軸端處的集中效應。
  13. For this reason, the discrete model is used to solve the optimized place of distribution center on the basis of getting spare location by gravity method

    為此在用法得到備選地的基礎上,引用離散模型解決配送中的最佳地問題。
  14. " after 10 months of care, the 23 grammes and 5 centimetres long hatchlings have grown up to juvenile green turtles weighing 2. 4 kilogrammes and measuring 27 centimetres in carapace length on average

    經過十個月的悉照顧,原來只二十三克及長五厘米的小海龜已長大不少,平均四千克,長二十七厘米。
  15. I set forth my position on the different understandings of crime constituents of embezzlement arising from the theoretical and judicial circles, focusing on the analysis of countermeasure practical, not on pure theory, combing the judicial practice, and making a preliminary research into bettering the legislation of embezzlement and applying the embezzlement in judicial practice

    並在此基礎上結合司法實踐,以對策性、實務性而非純理論分析為,對理論界和司法界對挪用公款罪的犯罪構成產生的不同理解,闡述筆者的觀,並初步探討了完善挪用公款罪的立法以及司法實踐中對挪用公款罪的適用問題。
  16. By analysing the regional characteristics of distribution of producing locations of medicines included in shennong s classic of meteria medica, it is pionted out that, based on quantity of production, yizhou of the 13 bu - administrative regions and taishan prefecture are the locations for massive production of medicines in the han dynasty. judging from distribution of locations, luoyang, the eastern capital and changan the western capital are the two centers, with the former more productive than the latter. it is suggested that the hongnong prefecture, the mid point between luoyang and changan, was an important crude drug trading center in the eastern han dynasty. the records of producing locations in shennong s classic of meteria medica reflects the importance it attaches to the genuine producing sites and dimonstrates the changes of genecine locations of drug production since the qin - han periods

    分析《本草經》藥物產地分佈的區域特徵后指出:以出產藥物數量計,漢代十三部政區中之益州,郡國中之泰山郡是當時大宗藥物產地;從藥物產地分佈來看,藥物出產分別以東都雒陽、西京長安為中,向外輻射,而東部產藥多於西部;推測位於雒陽與長安中的弘農郡,可能是東漢時期要的藥材貿易場所; 《本草經》關于藥物產地的記載,反映了此書對藥物道地性的視,同時也在一定程度上揭示了秦漢以來藥物道地產區的變化。
  17. Its main steps are : 1 median filter to filter yawp ; 2 edge detecting ; 3 figure thinning ; 4 the calculation of center point and some other parameters, we put forward a new method with which we firstly give a self - adjust liner transform then we use robert edge detecting and we also give an four - adjacent - field method for edge thinning here ; secondly we repeat four steps above and use the center point as focus in the fourth image. after this we track the forecasting center point by kaveman filter and select two blocks for locating. lastly from the fifth photo on we mainly deal with the arithmetic for matching locating and recognition of focus except kaveman filter

    然後在第四幅圖像中:復上述四步,以提取的形為瞄準,在選定瞄準以後,為了在後續圖像中匹配、定位、識別瞄準,我們使用卡爾曼濾波求取跟蹤預測的形並在瞄準的周圍選取兩個匹配定位塊:從第五幅圖像開始,除了使用卡爾曼濾波求取跟蹤預測形以外,主要執行匹配、定位、識別瞄準的演算法。
  18. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後,針對外載與自共同作用下,傳統光彈性分析法中採用離力場模擬力場獲得自應力的試驗投資耗費大、技術復雜且難度大和不安全等嚴,按照結構相似的模型理論,本文提出模型外載與自並存變動外載的光彈性分析法,導出處理這個問題具體的相似律和試驗原理及方法,進行了典型實驗驗證,指出僅用外載作用的模型試驗,即不用離力場模擬力場的模擬試驗,就可以獲得上述兩種載荷共同作用下的應力分析結果。
  19. " this is a record of good deeds and bad deeds. there are a lot of debts due for all you people ' s killing. you had better watch out !

    "這是一本記錄善行和惡行的書。你們這些人殺生太多,罪孽深。你們最好小
  20. The algorithm is explained in detail, based on classifying ccd image, the normal is obtained. the gray barycenter on the normal is contour point

    該方法首先對圖像分類,對直線段,圓弧段採取不同方法計算出法線,求出法線上的灰度重心點,從而將此作為輪廓
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