輪基距 的英文怎麼說

中文拼音 [lún]
輪基距 英文
wheelbase
  • : Ⅰ名1 (輪子) wheel 2 (像輪子的東西) wheel like object; ring; disc 3 (輪船) steamer; steamboa...
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  1. It makes sampling data regularized by means of man - machine interactive mode and procedure method, respectively. the driven data of the cutter guide is generated, which is based on sampling data processed. it proposes an intelligent data reduction algorithm which bases on the combination of straightness of curves, equidistance and distance deviation principle

    首先採集並分析了內廓數據,分別運用程序處理方式和人機交互方式實現采樣數據點的規則化處理;根據處理后的測點數據生成磨頭驅動數據;並提出了一種於曲線曲率、等離偏差帶的自適應數據壓縮方法。
  2. Tree ring is a kind of natural archives, on which the isotopic analysis is important to study global climate and environmental change. the authors mainly provide a comprehensive introduction to the fractionation models of carbon, hydrogen and oxygen isotope in plants, their research techniques and the extract methods from cellulose. that results show isotopic tracer can record the message of climatic variation and has become a powerful tool for paleoclimate reconstruction and for the modern environment changing research. especially studying on pages, the cellulose isotopic analyses of imbedded old tree ring have become the mainly quantitative means of environmental evolvement. in addition, china is a typical monsoon country, research in tree ring stable isotope seasonal variation can give us a lot of important information on that. up to now, the research techniques and works on tree ring in our country are still in its earlier stage, and remain many limitations. it needs further accumulate basic research materials, intensify regional contrast and intercross studies on relative subjects

    尤其是在過去全球變化pages研究中,埋藏古木纖維素中的碳氫氧同位素分析已成為環境演化研究的主要量化手段。另外,對于中國這樣典型的季風氣候國家,開展樹穩定同位素隨季節性變化的研究具有重要的意義。我國在樹研究方面起步較晚,研究方法和研究內容上也比較簡單,還存在不小差,既要進一步積累礎資料,又要做區域對比,加強與相關學科的交叉研究。
  3. In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically

    本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步、最小步的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,本可以使「大速比摩擦傳動機構」在工程中得以應用。
  4. The 6th acm conf. computer and communications security, singapore, 1999, pp. 120 - 127. 14 fischlin m. a cost - effective pay - per - multiplication comparison method for millionaires

    於該離協議及秘密比較協議,本文設計了一個新的點圓包含判定方法,新協議通信的復雜性為2 。
  5. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完整圓的位置、不完整圓的轉動間隙、鎖緊變形、準尺調整、重復安裝、電源電壓波動、標記轉動等隨機誤差進行了逐項分析,並給出轉動標記隨機誤差的計算公式。對大直徑測量儀的系統誤差?準尺尺架誤差、滾直徑誤差、環境溫度引起的誤差、後退離引起的誤差、角度誤差、數據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。
  6. This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments

    建模型的過程中,首先運用逆向工程測量方法,獲得曲面物體上不同截面廓線的測量數據點列,接著對測量數據點進行平滑處理,用最小二乘法求解於數據點列的控制多邊形,以非均勻三次b樣條曲線擬合截面廓曲線;然後利用於垂的數據采樣演算法,對擬合曲線上的數據點進行重新采樣,達到優化數據點的分佈及減少描述曲線數據量的目的。
  7. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了胎花紋優化降噪的本原理,總結出三條降噪途徑:在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度;調整節排列順序、花紋條之間的錯位值,使各發聲單元發出的聲壓時域波形的同向峰值錯開,避免同向峰值疊加;調整花紋塊和槽比例、節比例、節排列順序,盡量避免周期性分佈,使胎所發出的噪聲趨于白噪化,避免某些頻段的異常高峰值。
  8. The results show that small cr addition in steel can decrease the lamellar spacing of pearlite, and markedly increase strength and hardness with almost the same ductility and toughness, and accordingly improve wear and shelling - resistance of wheel steel

    實驗結果顯示,加入微量的鉻,可以細化珠光體的片層間,在保持韌塑性本不變的情況下,顯著增加材料的強度和硬度,從而提高車鋼的耐磨性和抗剝離性能。
  9. Studied the cluster and background reduction algorithm and, proposed an enhanced adaptive step average method based on the amplitude of a - scan signal ; 2. improved the gpr data acquisition and processing software, some utilities have been added such as position wheel control program, data format translation etc. ; 3. implemented 3d targets imaging using mixed programming of matlab and visual c + + ; 4

    本文的主要工作如下: 1 .研究了探地雷達回波信號雜波及背景去除演算法,改進了一種於a - scan信號強度的自適應滑動平均法; 2 .改進並完善了探地雷達數據採集處理軟體,加入了定位控制數據採集、數據格式轉換、目標離測定等程序; 3 .研究了探地雷達目標成像演算法,利用動態鏈接庫技術實現了在脫離matlab環境下在visualc + +編寫的程序中調用matlab程序對目標進行三維成像的功能; 4 .參加外場實驗及項目驗收。
  10. The study of a bogie ' s type which include such as the model of wheel, moving mode of wheel, bearing style of loads, locking mechanism, changeable range of gauge, etc., is put up, and based on those, two design projects of the gauge - changeable bogie are put forward

    論文首先進行變軌轉向架的方案設計研究,從變軌的型式、車的移動模式、載荷的承載方式、鎖緊機構及變軌轉向架的軌變化范圍等諸方面對變軌轉向架進行了選型分析,並在此礎上提出了兩套變軌轉向架設計方案。
  11. Abstract : based on the principle that the radical force of each roller should be equal roughly during the stagger spinning process, matching relationships among reductions of rollers on slope are defined after considering fully various influence factors of radical force. then locus equation of each roller is defined by using geometry relationship

    文摘:於錯旋壓過程中各旋的徑向力大致相等的原則,在充分考慮了影響徑向旋壓力的各因素后,確定了處于斜坡時各旋的壓下量之間的匹配關系,進而利用幾何關系分別求得各旋的運動軌跡方程。
  12. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達系統工作原理,在電子科技大學探地雷達系統樣機研製的礎上採用了各種有效的優化技術,包括探測前端、采樣保持電路的優化,定位、目標定位、多線程技術的應用,數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等,顯著提高了系統的探測性能和增強了探測效果,使得系統方位、離解析度均達到了10cm ,探測深度大於50cm ,其性能指標達到國外先進水平,為進一步的實用化奠定了重要的礎。
  13. Rim base offset

    體偏移
  14. The curvature interference of the gear and the influence of radius of the mill - cutter, axial misalignment, and center distance on meshing are analyzed. based on these analyses, propose two methods to achieve point - contact : to change the radius of the mill - cutter and increase the center distance

    在分析了弧齒線圓柱齒的嚙合傳動不產生曲率干涉的條件和刀盤展成半徑、軸線平行度誤差、中心對嚙合影響的礎上,提出了點接觸弧齒線圓柱齒實現的兩種方案:調整刀盤展成半徑和增大中心
  15. And then, it presents changan star sc6350 abs uses three control channels, the control way is front wheel single controlling, and rear wheel is select - low control. the abs system makes the vehicle have good handleability and directional stability during the braking and shorts the braking distance

    在此礎上,提出sc6350 「長安之星」的abs系統採用4傳感器3通道型式,控制方式為前獨立控制、后低選擇同時控制,使汽車能夠在制動過程中,確保轉向操縱性,改善方向穩定性,縮短了制動離。
  16. Simultaneously because the world trade organization have carried on negotiations to the telecommunication question, and its documents which have been signatured in fact became the criterion of the telecommunication international trade, this article mainly introduced the content of the agreement on basic telecommunication services and its influence to the telecommunication industry of the countries. after the accession to the wto, the telecommunication service industry of china faced the pressure of the foreign enterprises. this article began with the open frame of the telecommunication industry after the joining of china, and analyzed the chinese telecommunication service industry present situation and the existence disparity

    同時由於世界貿易組織對電信問題曾進行了多談判,其簽署的相關文件實際上成為電信國際貿易的準則,本文主要介紹了礎電信協議的大致內容及對各國電信業的影響。加入世界貿易組織之後,中國電信服務業面對來自世界各國電信企業的競爭壓力,本文從加入wto后中國電信業的開放框架入手,分析了中國電信服務業的現狀和存在差,並論證了中國應積極參與電信頒域國際競爭的觀點,其中既包括中國參與國際市場競爭的可行性,又包括其必要性。
  17. Firstly a qualitative criterion for determining the space between adjacent sections in the sampling process and gaussian smoothing algorithm is proposed. then a topological reconstruction method is given. at last a new reconstruction method based on the similarity between adjacent sections is proposed

    首先提出了確定斷層間的定性方法和數據平滑處理的高斯方法,然後給出了一種拓撲重構方法,最後提出了一種於相鄰層廓相似性的曲面重構新方法。
  18. These kinds of ? tronger ? algorithms do not need to retrieve correspondence and branching problems. the contour - spreading algorithm is proposed to calculate distance field quickly within the complexity 0 ( n ). the intermediate surface is generated by linear approximation, while in conventional methods, it is tiled between a designated layer of contours and the original lower slice or upper slice of contours

    和傳統方法比較,它們生成的曲面都是精確通過采樣點,但是對于中間曲面的生成(在有分枝問題和對應問題時)方式不同,傳統方式是指定中間層的位置,在中間層按一定方式生成一個廓線,然後分別與上下層進行曲面鑲嵌,而離場技術的方法則是通過線性插值的方式來產生中間曲面。
  19. On the adaptive active contour model based on distance equalization

    離均衡化的自適應性動態廓模型
  20. In temporal segmentation a statistical model is used to automatically separate the moving areas from the background in a general video sequence. the spatial segmentation bases on the results of temporal segmentation and using region - growing algorithm in rgb space can locate precise boundary of moving object. lastly, using segment moving object as the initial model, moving object can be tracked by matching an image to a model based on hausdorff distance on a sequence of video, and the model is updated every frame to accommodate for changes in shape

    時間分割中採用連續幀間差的統計假設檢驗,確定運動對象的位置,自動地分離出運動區域與背景區域;空間分割中則採用於顏色的區域增長演算法來精確地提取運動對象的廓;最後,將提取到的運動對象作為模板,對后續的視頻序列,用於hausdorff離度量匹配,來跟蹤並提取后續幀中運動對象。
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