方向速度分量 的英文怎麼說

中文拼音 [fāngxiàngfēnliáng]
方向速度分量 英文
x-velocity component ==
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 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
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 方向 : direction; orientation
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Firstly the patterns of the multifingered hands are detailed, eight patterns are defined. the classical bayes method is used in the classification of pre - grasp of multiple fingers based on three patterns which are grasping, holding and pinching. based on the eight pre - grasp patterns, bp neural network is applied in the classification of the pre - grasp of multifingered hands and gets a good effect. the method solves the shortcoming input sample relying on the propobility density and simplified the un - insititution characters extraction. in this paper, support vector machine ( svm ) and binary - tree with clustering is applied in the classification. this method can solve the slow speed and effect with fewness sample in the classification, achieving a good effect. in this papper, we extract the characters of the regulation object with geometry characters and extact the unregulation object with the image analysis

    此法解決了輸入樣本依賴物體的概率密的特點,簡化了類特徵提取的不直觀性。本文還採用了支持機( svm )和聚類二叉樹相結合的法對機器人手預抓取八類模式進行類,解決了預抓取模式類訓練過慢以及在類中樣本數偏少而影響類效果的問題,得到了較高的正確率。本文對預抓取幾何形狀規則的物體採用直接提取其幾何特徵,對于預抓取幾何形狀不規則的物體採用圖像析的法進行特徵提取。
  2. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指反射鏡的擺動控制面,採用低性能好的裝式直流力矩電機作為指反射鏡的驅動電機,並採用感應同步器作為角元件,運用軸角轉換器ad2s80a進行角的輸出,採用技術成熟的pid控制案,進行和位置雙閉環控制,以實現指反射鏡轉動的平穩性和位置的精確性。
  3. At the same time, on the basis of above results, the stability problem of the polarization of particle self - spin is discussed in irregular magnetic field of accelerator. the discovery that the low degree polarization system is very sensitive to the irregular magnetic field while the high degree polarization system is very stable is found. the irregular fluctuation of the vertical ponderance is complementary to that of the horizontal ponderance due to the self - spin conservation

    同時,在此基礎上,利用su ( 2 )代數動力學程研究了加器中帶自旋離子的極化對磁場的含時無規擾動的穩定性問題,發現:低極化的系統對磁場無規擾動十敏感,而高極化的系統對磁場無規擾動十穩定;自旋守恆導致自旋的縱的無規漲落和橫的無規漲落存在著互補性。
  4. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷法中,採用了產生式知識表達和正推理機制;在基於神經網路的故障診斷法中,則別採用了bp神經網路的附加動法、自適應學習率、彈性bp演算法、擬牛頓法、共軛梯法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷,並對由模擬得到的不同診斷結果進行比較。
  5. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈和場地特徵周期結合起來,計算析了成層地基中單樁的橫地震響應,得到了以下結論: 1 )上部結構慣性力對樁的橫地震響應的影響不可忽略; 2 )成層地基中的單樁的橫地震響應主要受地震基本加、場地特徵周期、上部結構質的影響,隨地震基本加、上部結構質的增大而增大;場地特徵頻率越接近樁基自振頻率,樁基地震響應越大,等於自振頻率時,由於發生共振現象,樁基響應幅值最大; 3 )樁土剛比越大,樁土之間的相對位移的幅值越大; 4 )樁頂固接的連接式,可以有效地降低地震時單樁的橫地震響應。
  6. 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點,運用數力學中矢析理論和法,推導了接地比壓為線性佈時履帶式車輛在斜坡上轉時,瞬時轉中心偏移與車輛重心位置、轉半徑、行進、加、車輛位相互關系的計算公式。
  7. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動程的fourier析,得到了顆粒脈動強和流體脈動強之間的定關系,表明顆粒粒徑、顆粒密、流以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強的主要因素,首次從理論上證明了在一定條件下,顆粒在縱、垂的脈動強均會超過相應的流體脈動強,為已有的實測資料提供了合理的解釋。
  8. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振法測軸承的阻尼,對處于平衡位置的測試軸承別沿水平、上45及軸進行錘擊,根據錘擊法原理求得各個轉下軸承徑內、外膜總阻尼系數以及推力部內、外膜總阻尼系數。
  9. As far the trend of fiber - optic communication systems is to obtain higher capacity, and higher transmission speed. the intensity modulator is widely applied to a lot of fields. it is necessary for the intensity modulator subject to the laser pulse rectification systems that should be provided with following performances as high speed signal transmission and quick response and so on

    光纖通信著大容、高寬帶發展,光纖延遲線系統要求強調制器具有高信號傳輸、快響應的特點,因此以linbo _ 3為襯底材料的集成光學強調制器具有十良好的應用前景。
  10. In addition, the paper designs a bottom database model, selects a multi - aim strategy combining files with known data, and establishes dual interaction data model that has explicit conceptual structure and directly aims to geographic objects, and provides backing up enquiry language ( g - sql ). simultaneously, after analyzing and studying methods available for the under pipelines, the paper constructs survey adjustment calculation model, and according to the model, checks the survey of under pipelines. the results indicate that the model is suitable to actual requirement because it greatly increase calculation speed, meeting calculation accuracy requirement

    在此基礎上,對系統的底層數據模型進行設計,選擇了文件與成熟數據庫相結合的混合策略,併兼顧面對象的數據庫( oodb )和可擴充數據庫( edb )的特點,建立了一個概念層次清晰、面地理對象實體的雙層語義數據模型以及支持模型的查詢語言g - sql ,同時對地下管線的各種測試法進行析研究,建立了地下管線測平差計算模型,並以此對所勘測的地下管線進行核算,計算結果表明,計算模型不僅大大提高了核算的,同時在計算精上也符合核算的要求,是符合實際要求的關于測平差計算的模型。
  11. Airborne gravimetry which is discussed in this paper denote scalar airborne gravimetry only. in order to estimate the accuracy of airborne gravity measurements, the tracks of an airborne gravity survery are generally planed to join each other

    依據測值的類型不同,它可以為航空標重力測和航空矢重力測兩類,前者用以測定重力加的大小,後者不僅測定重力的大小,而且同時測定重力的
  12. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型,通過攝動法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論析,詳細討論了各種無綱參數對管道內軸佈、二次流結構、溫佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  13. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力線和升力面設計法,在升力線設計中計及槳葉的縱傾和側斜的影響,用優化理論求解最佳環佈,升力面設計中用b樣條來擬合槳葉,將物面邊界條件轉化為求法的平最小,由此可得到光順的槳葉幾何形狀,提高和改進了設計質
  14. A new distributed fusion method of radar / ir based on separation and combination of the measurements is proposed after analyzing the influence of rate measurement. the rate information separated from the radar measurements composes a fake vector of ir

    在對引入徑后雷達跟蹤性能進行析的基礎上,提出了一種基於測信息組合優化的雷達/紅外散式融合法。
  15. With the different tripping annulus at the inlet, a new method of the distance definition from the wall was used to measure 35 mean velocity profiles on seven sections in the pipe length x / d = 125. 2

    採用新的離壁距離標定法,在入口處設有改變擾動強擋環的條件下,利用熱線儀在管長x d約為125的范圍內完成了七個不同管流截面上的35個軸線佈的測工作。
  16. Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research

    接著,建立了和研究了二維二的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉來緩解交通等各種實際情況的發生,給出了車輛演化的演化程,並通過計算機模擬,研究模型在改變車輛的初始密、剎車概率、轉概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的、流的變化,並析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往法的研究結果相類似的-密圖線,且車輛從運動相到堵塞相轉變的上下臨界密是一致的,同時別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的佈情況,進一步驗證了此法的可行性。
  17. In this thesis, the basic arithmetic of piv software - cross - correlation arithmetic is introduced in detail, during the data process, through processing the two sequential images by the cross - correlation arithmetic, the vector charts of particles velocity can be obtained, so is the chart of absolute velocity, with velocity decomposed into the radial velocity and axial velocity

    本文對試驗所獲得的連續圖像通過互相關演算法,獲得顆粒圖,並將解為徑和軸,對每一小區域內的顆粒按不同進行平均,獲得顆粒的平均佈曲線。
  18. Fiber optic gyro ( fog ) inertial system provides angular velocity and acceleration measurement of measurement body along three axes, based on the attitude matrix refreshed by outputs angular velocity to transform the acceleration from the body frame to the earth frame, finally through acceleration integral we can get the position of the measurement body in the space. fog is popular in the navigation field for many advantages, such as wide dynamic range, high resolution and all solid components

    該測法利用捷聯式光纖陀螺輸出的角和加信息,測出運載體沿三個的加;再利用光纖陀螺輸出的角率信號,不斷更新測體的姿態轉換矩陣,將加用轉換矩陣更換到地理坐標系;最後經過計算機對轉換后的加信號積運算別可得到運載體在三維空間中的位置。
  19. Using the optimal control theory an optimal control law of agile turn is proposed enabling to eliminate velocity component in vertical director of initial sight under thrust vector control

    應用最優控制理論,提出一種最佳快轉彎控制律,能在推力矢控制下消除終端時刻垂直於初始視線上的
  20. Experiments about the influence of aeration on the velocity of the submerged jet was made. it has been proved that the main reason of the influence of aeration on scour is the more rapid decrease of the velocity of the submerged velocity. 6

    對基巖的沖刷進行了數值模擬,選取臨近底部的結點處的壓強(壓力水頭值)與結點處水深的差值,再與結點處垂直於底面的0
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