速度圖方程 的英文怎麼說

中文拼音 [fāngchéng]
速度圖方程 英文
hodograph equation
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Because of the huge memory space and rapd calculation speed that compuer possesses, we can manage the ekisted drawings central1y and search them rapidiy in conclusion, the high quality and low price product wtth the help of applytng the cad technology will not only satisfy the requiremen of the market but also help factory amer apply the compeer technology in the process of production ( for example, haher production managemen0 we has applied thes systetn in extuion embranchmen factory and obtained favorable effect wich reveds tha thes system has widely applytng prospect and uti1ity value

    該系統將成組技術的分類編碼原理和計算機輔助設計技術應用於擠壓鋁型材的產品開發設計和產品紙的管理中,不僅可以極大地提高產品設計質量、縮短產品開發周期,還可以減少重復繪工作及規范制法;同時,利用計算機存儲空間大、運行快的優點,可實現對已有產品紙的集中管理和快檢索。利用計算機輔助產品開發,不僅能以高質量、低成本的產品迅滿足市場需求,還可為工廠進一步實施計算機應用工(如后續生產管理等)奠定良好的基礎。
  2. In course of auto - focusing, the paper takes the sum of the square of gray difference as focal distance evaluation function to decided that image is in focus or not quickly and put forward an effective auto - focus searching way based on threshold value and curve fitting. these improve speed and precision of auto - focusing

    在自動聚焦過中,論文採用了象的灰差分的絕對值之和的平作為焦距評價函數,解決了是否正確聚焦的快判斷問題;採用了一種行之有效的基於閾值和曲線擬合的自動聚焦搜索式,使聚焦和精都得到了很大的提高。
  3. The s - l - e experiment data for the eight binary condensed systems of fatty alcohol / fatty acid were treated by using the improved equation, and the equation was examined with experimental data. at the same time, we used ideal model to predict the tenary s - l - e of n - octadecane / lauric acid / stearic acid system, and we got an accurate result of the simple eutectic temperature. the relative error is 0. 51 % comparing with the experimental result, so we will offer a method of prediction for quickly obtaining multicomponent system phase change materials this article calculated the pcms quantities and energy saving effect in theory, designed the experimental apparatus to measure the energy saving effect, and analyzed the temperature equalization action of the pcms by comparing experiment

    利用這種法,建立了適合醇-羧酸等系列二元體系的單參數margules,本文對醇-羧酸系列等8個二元凝聚體系的單參數margules的參數進行回歸,並利用整個實驗數據對模型進行了檢驗,另外,本文利用理想狀態模型對一個三元體系18烷-月桂酸-硬酯酸相進行預測,通過與實驗數據進行比較,預測的低共熔溫與實驗測定溫較為吻合,其相對誤差為0 . 51 ,這將為快獲取多元體系的相變材料提供預測法。
  4. In the post - process, uses the microsoft medias technical to design cartoon display mode, it raises cartoon speed and saves disc space, it can produce majority prevailing medias form. in interpolation, introduced dsi method, which improve the interpolation method of isoline, raise algorithm speed and efficiency, satisfy the real - time quality request. on the basis of scanning line algorithm, use opengl smooth interpolate method to improve the implementati

    在後處理過中,引進了dsi插值法,改進了以往等值線插值,提高了演算法和效率,滿足了實時性要求,在掃描線演算法的基礎上,引進了opm沁l插值法,改進了雲實現法,提高了形顯示精,在動畫格式上,我們可以根掘自己需要實現不同精的不同壓縮格式動畫文件,提高了后處理顯示應用場合,改變了以往動畫格式單一的形式。
  5. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加計及其測試技術的發展歷史和現狀,液浮擺式加計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計案,並從控制理論的角進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析、采樣約束以及測試精等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該形化編語言完成了測試系統軟體部分的設計,實現了測試功能。
  6. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的矩陣法,重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的解決,由此從另一角能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  7. Based on statistic property of all sub - bands coefficients, this paper gives a lossless image coding scheme including dpgm, huffman coding and run length coding. this scheme reduces the calculating complexity and works highly efficiently

    針對像整數小波分解后的各子帶系數的統計特性,提出結合dpcm , huffman及遊編碼的無損像編碼法,該法運算簡潔,快,易於硬體實現。
  8. We construct weak classifier by a haar feature ; then weak classifiers are combined to a strong classifier in a linear way. the final classifier is built in a cascade structure, which could reject most non - face samples in the early layer. also we use integral image to quickly calculate the feature and reduce the detection time

    本文以簡單的haar特徵結合閾值構造弱分類器,通過adaboost學習選擇和集成弱分類器,最後按照分層結構把集成的分類器組合在一起;同時,在檢測過中採用積分法計算特徵,保證了檢測的
  9. As to the stochastic simulation of stochastic biological processes, if only use stochastic petri net, although it has standard graphics expression, which is isomorphic to markov chain, along with the increase of models ’ scale and complexity, the number of states will increase exponentially, so it is very difficult to analyze models by the method which stochastic petri net has ; if only use stochastic algorithm, which has rapid simulation speed, but lack of intuitive graphical expression

    對于隨機生物過的模擬,如果只採用隨機petri網模擬生物隨機過,其優點是形象、直觀,缺點是隨著模型的規模和復雜性的增加,狀態的數量呈指數性地增長,出現模型狀態空間的爆炸問題,用隨機petri網本身的分析法很難分析整個系統的性能;如果只採用隨機模擬演算法模擬,其優點是較快,但是缺少形象的形表達,不利於模擬技術的應用。
  10. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析應是建立在正確的數學模型與計算機模擬技術基礎上的定量分析,其基本條件就是要有能正確描述事故過中汽車狀態的數學模型,只有建立正確的數學模型,才能較準確地推定事故車輛的碰撞。所以建立正確地車輛碰撞模型和運動模型正是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,深入地研究汽車碰撞理論,分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后的關系;其次,根據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系數和滑動摩擦系數等概念,分別建立了碰撞后車輛動力學模型;第三,對汽車碰撞事故再現進行了初步研究,確定了車對車碰撞事故模擬計算和反推計算法,並給出相應的模擬序流
  11. In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable

    在研究工作中,首先對船舶的簡化模型建立了動力學,然後採用線性二次型最優控制法,編寫序並計算出船體垂向振動固有頻率和最優反饋矩陣,得到控制前後船艏以及船舯部的位移、、加、彎矩和剪力歷
  12. This essay takes the method of listing equations of gears " surface directly and installing them in appropriate coordinate system to establish the mathematic model for analyzing engagement of spiral helical gear. programs use this mathematic model to make numerical computation as well as to output the contact domains diagram and the relative velocity diagram on this foundation

    本文採用直接列寫齒面、在適當的坐標系中安裝的法,建立了螺旋齒輪嚙合分析的數學模型,編製序利用該數學模型進行數值計算,並在此基礎上輸出接觸區和相對
  13. 2. virtual technology in this section, firstly, introduce virtual instrument development and analyze the main principles in tractor testing projects ( including shaft mass, left - and - right side trigging forces, smoke density, noise and velocity ). secondly, propose a general design combined multifunction data acquisition devices ( daq ) with lab view diagram language

    ( 2 )虛擬儀器技術介紹了虛擬儀器的發展特點,分析了拖拉機主要的檢測項目(軸重、左右制動力、煙、噪聲、)的檢測原理和手段,提出一套基於多功能數據採集卡daq和形化編語言labview的虛擬儀器構建案。
  14. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式,建立了信號和數據處理模型,主要包括:加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、定心、跟蹤、角跟蹤、 ?濾波等,然後給出了信號處理流
  15. 4. the dissertation studies in - depth the multi - aperture sar mtdi based on along - track interferometry ( ati ). it presents and describes the detecting processing in sar image domain using double apertures and analyzes the influence of all kinds of factors including ground clutter, noise, signal - to - clutter, range velocity, multi - look processing and etc on the detection performance

    4 、深入研究了基於沿跡干涉釁1 )技術的多孔徑sar系統地面動目標檢測和成像法,給出了採用ati法對兩幅sar復像進行慢目標檢測的完整過,詳細分析了各種因素如雜波、噪聲、目標信雜比、目標及多視處理等對檢測性能的影響,並通過大量的模擬給予驗證。
  16. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相位法和數字卷積濾波技術:根據柵線的條紋灰值分佈具有極大極小分佈的特性,提出卷積濾波形貌光學自動檢測的像處理法,有效地實現了頻譜自動移位,從而進一步提高了像處理的和形貌測量技術的自動化;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了分析,並提出了修正法。
  17. And the points correspondences can gained by hough transform. at last it can gain the position parameters of the main camera

    像邊緣檢測后進行hongh變換獲取直線,在hough變換的基礎上提出快hough變換檢測直線提高計算
  18. Enlightened from the traditional countryside environment, guided by the ideas of " sustainable development " and " based on people ", according to the principles of landscape ecology and system engineering, through analyzing and researching the patterns of landscape ecology, green - open - space system, vision - space qualities, local history and culture, mountains and rivers aesthetic artistry. and as far as the basic characteristics and existing problems of small towns in the south of yangtze river is considered, this paper puts forward some possible planning ways for dwelling regions, roads, waterscape and plants which can fully embody the characteristics of the south of yangtze river. and tries to build a kind of ecological environment in the regions of rivers and lakes in the south of yangtze river, and hopes it can guide the landscape development, strengthen individual character, realize the aims of landscape planning for small towns

    本文從傳統鄉村環境意義中得到啟發,針對江南小鎮的水鄉特色和存在問題,以「可持續發展」和「以人為本」的思想為指導,運用景觀生態學原理和系統工法,從江南小鎮基本特徵出發,通過對景觀生態格局、綠色空間體系、視覺空間品質、地歷史文化風貌、山水美學意境等幾面的分析和研究,著重對居住區、水景區、道路、植物幾個能充分體現江南特色的區域提出可行性思想,試建立一種適應江南水鄉生態環境,引導江南小鎮景觀空間生態發展,強化小鎮個性特色,實現小鎮景觀規劃的原則和目標,從而促進江南小鎮在建設中社會、經濟、生態的協調發展,引導江南小鎮走上可持續發展的道路,實現城鄉一體化,加我國城市化發展
  19. Finally, basing on the above theory research and the existing hardware scheme, the optimization probabilities is discussed among the layers of the standard entrails, arithmetic promotions and program optimizations. the optimizations are carried out in the software simulation circumstance, and obtain a notable effect, which boosts the coding speed by 60 % with the same image quality, showing an applying prospect

    最後,在以上的理論研究基礎上,結合現有的硬體案,從標準內部、演算法改良和序優化等多個層面上探討了對視頻編解碼系統的優化可能,並在軟體模擬的環境下付諸于實踐,取得了明顯的效果,在保證像質量的前提下,將編碼提高了約60 % ,顯示出了一定的實際應用前景。
  20. Above all, the system has some advantages such as high compute precision, high speed and suited for large structure analysis. during the process of the system researching, a new mesh approach based on advancing front technique for triangle elements was studied. a practical method of generating hexahedron mesh for cellular element method through transfering lines into volumes was worked out

    在軟體研製過中,提出一種基於前沿生成法的快、穩定性好的平面元胞元網格自動生成法和三維六面體網格的線段轉換法;根據元胞元模型的特點,提出一種穩健性較好的三維元胞元模型消隱法;通過對應力生成技術的研究,提出一種對等值線、色帶、濃淡均適用的應力生成演算法。
分享友人