正速度方向 的英文怎麼說
中文拼音 [zhēngsùdùfāngxiàng]
正速度方向
英文
direct velocity direction- 正 : 正名詞(正月) the first month of the lunar year; the first moon
- 速 : 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 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
- 方向 : direction; orientation
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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度的特點,簡化了分類特徵提取的不直觀性。本文還採用了支持向量機( svm )和聚類二叉樹相結合的方法對機器人手預抓取八類模式進行分類,解決了預抓取模式分類訓練速度過慢以及在分類中樣本數量偏少而影響分類效果的問題,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分析的方法進行特徵提取。According to the characteristic of cnc plasma cutting machine it could improve the process quality of cutting piece in effect for choosing proper technics, for example, cutting section point, aspect, sequence, speed etal during the period of processing, and elaborating towards the distortion control of single side piece, slightness piece, profiled piece and particularity piece at the same time
根據數控等離子切割機的特點,在加工過程中正確選擇切割的起點、切割方向、切割順序、切割速度等工藝,可以有效提高切割件的加工質量,同時對單邊工件、細長件、異型件以及特殊件的變形控制進行了詳細地闡述。5 ) the features of the olr and velocity potential ( x ) mjo spreading eastward, northeastward ( wnp ) and southeastward ( wsp ) are researched on the climatic and interannual scale
5 )用改進了的復經驗正交函數( ceof )方法分析了從赤道印度洋到西太平洋然後向正東、東北、東南三條路經上的olr及速度勢x的季內振蕩傳播特徵。At linear stage, the theoretical growth rate for the rt instability in cylindrical and spherical geometries was enhanced ( or reduced ) due to the decrease ( or increase ) in the perturbation wavelength during an implosion ( or explosion ). even in the absence of an acceleration the perturbation could grow in the convergent geometries. the amplitude growth rate was proportional to the cube of the convergent ratio in spherical geometry and to the square of the convergent ratio in cylindrical geometry
在線性階段,已有的研究表明:一方面,在內爆(或外爆)過程中擾動波長變短(或變長) ,使得不穩定性的增長率變大(或變小) ;另一方面,即使不存在界面加速度,界面運動仍然可能導致擾動幅度的增加,柱幾何中擾動幅度的變化速率正比于界面收縮比的平方,球幾何中擾動幅度的變化速率正比于界面收縮比的三次方,並且擾動幅度的變化方式(增加或減少)只與初始時刻擾動幅度的增長速率(正或負)有關,而與界面的運動方向(向內或向外)無關。The identification results of step and sine steering angle input showed that the proposed identification method is not only practical, but also with high accuracy
通過方向盤角階躍輸入和正弦輸入的識別結果表明,這種識別方向盤角輸入的方法是可行的,並且具有識別精度高、運算速度快等優點。With the rapid development of railway construction in china, the network size has been continuously expanded, the net framework strengthened and the network structure optimized. at the same time, the task of railway transportation has been more and more onerous, then the railways are constructed in different ages, complex geological conditions and effected by their designs and constructions as well, in addition, the railways are making advances to speed - up and load - over now, so many railway roadbed have the existence of all kinds of diseases in different degree. these diseases effect badly the normal railway operation, even they may bring about catastrophic accidents
隨著我國鐵路建設的飛速發展,路網規模不斷得到擴大,路網骨架不斷得到加強,路網結構不斷得到優化,但與此同時,鐵路部門運輸任務日趨繁重,加之我國鐵路修建年代不同、地質條件復雜及受當時設計施工等因素的影響,且目前我國鐵路正朝著高速重載方向發展,許多線路路基存在著不同程度的病害隱患,嚴重影響列車的正常運營,甚至造成災害性的事故。Fly straight and level form left to right as the helicopter is just about in front of the pilot, pull back cyclic, adjust the collective to maintain constant altitude and speed and hold the back cyclic as the helicopter completes one ( 1 ) full traveling tumbling back flip to upright
由左至右保持水平直線飛行,當直升機在操控者的正前方時,將升降舵拉升舵,控制主旋翼的螺距使直升機保持固定的高度及前進速度,向後翻滾一圈完畢。Fly straight and level from left to right at a moderate speed as the helicopter is just about in front of the pilot, add extra collective momentarily, then simultaneously push forward cyclic, and adjust the collective to maintain constant altitude and speed and hold the forward cyclic until the helicopter completes one ( 1 ) full traveling tumbling front flip to upright
由左至右保持適當速度的水平直線飛行,當直升機在操控者的正前方時,瞬間加大主旋翼的螺距,同時將升降舵打降舵,控制主旋翼的螺距使直升機保持固定的高度及前進速度,直到直升機向前翻滾一圈完畢。In that very moment this poor wretch seeing himself a little at liberty, nature inspir d him with hopes of life, and he started away from them, and ran with incredible swiftness along the sands directly towards me, i mean towards that part of the coast, where my habitation was
這時,這個可憐的傢伙看見自己手腳鬆了綁,無人管他,不由起了逃命的希望。他突然跳起身奔逃起來他沿著海岸向我這邊跑來,其速度簡直驚人。我是說,他正飛速向我的住所方向跑來。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。With the coming of the 21st century, the modern information technology characterized by multimedia and internet has a great effect on our life and study. school education will have a historic innovation, which will drive the education model from the printing era to the information era
隨著21世紀的到來,以多媒體和國際網際網路為代表的當代信息技術正以驚人的速度改變著人們的生存方式和學習方式,學校教育將發生一場歷史性變革,這場變革將使教育模式從印刷時代走向信息時代。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
本文在總結和分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,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分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分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、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。Measuring engine transient process data in ca1258p1k2l11t1 truck in accelerated mode, recording and analyzing the data, then analysis the test error. 4. building model and simulating two typical running mode ? fixed 6th gear acceleration with initial vehicle speed 40km / h and gear change acceleration starting with 2nd gear, comparing calculated result with test result, revising transient process simulation model and analyzing error between calculation
本文基於ca1258p1k2l11t1載重卡車對ca6df2 - 26發動機的瞬變工況進行試驗和模擬計算,結果表明: 1 ) gt - power軟體可以很好的模擬、分析、預測發動機瞬變過程,模擬計算的結果與試驗結果很接近,試驗證明,預測分析指出的改進方向是正確的; 2 )加裝電動增壓器可以降低整車使用油耗,改善低速煙度排放,縮短加速時間,改善整車的加速響應; 3 ) gt - power軟體預測分析配合發動機和整車試驗是分析、解決發動機瞬變過程的有力工具。With the successfully biding of core inserting pulling mechanisms and threading rotation ejection mechanisms supported by nation innovation financial and the approval of establishing large injection forming molds project technology r d center, jinsu company is gradually switch the center of industry structure to produce high precision and automatism high - end molds, and the base point that supports the new development is gradually emerged. i believe in 2007 jinsu will make great progress
隨著公司「模具開合模抽插芯與螺紋轉動脫模同步機構」的通過論證與國家創新基金項目的獲得與支持,金塑公司在2006年正在逐步地把產業結構重心轉移到生產高精度全自動的新型模具方向上來,支撐新一輪快速發展的基點正在逐步形成,我相信在2007年金塑公司必定會乘風破浪更上一層樓。Directional drilling attitude measurement and azimuth correction with accelerometers and magnetometers
基於加速度計和磁強計的定向鉆進姿態測量及方位校正The scientists have learned that the earth ' s core is turning in an eastward direction and spinning faster than the earth itself
科學家已經弄明白了地核正在以朝東的方向旋轉且比地球自身的旋轉速度要快。Ring laser gyro and fiber optic gyro ( totally called optics gyro ) are indispensable factors that inertial technology stride forward optic gyro ( including ring laser gyro and fiber optic gyro etc ) is an angle rate sensor, which is on the base of sagnac generalized relativity effects it represent the new trend of development of inertial instrumentand component.,
目前,高精度、高可靠性、低成本、小型化、數字化成為了慣性技術領域發展的方向。激光陀螺、光纖陀螺的產生與發展正是慣性技術朝此方向邁進不可缺少的的因素。光學陀螺是基於薩格奈克( sagnac )效應的角速率傳感器。A discretization equation is derived by using a finite volume method in three - dimensional cylindrical polar coordinate system. algebraic equations are solved by iteration with a line - by - line method that is a combination of tdma in axial and radial directions, ctdma in tangential direction and adi method in three directions. the pressure and velocity coupling are solved with the simple algorithm
在三維圓柱坐標下,利用有限體積法推導離散方程;在軸向與徑向用三對角矩陣法( tdma ) ,在周向採用循環三對角矩陣法( ctdma ) ,採用交替方向亞鬆弛疊代法( adi )求解方程;推導同位網格下的壓力修正方程,用simple演算法處理速度與壓力的耦合;為加速收斂,採用適當的鬆弛因子。To study the changes of poisson ' s ratio and its anisotropy with confining pressure, we measured p - and s - wave velocities in three orthogonal directions in 19 rock samples under different confining pressures
為了研究不同巖石中泊松比及其各向異性隨圍壓的變化,選取19塊典型的巖石樣品,在不同圍壓下沿相互正交的3個方向同時測量縱、橫波速度,並通過計算得到了泊松比及其各向異性。Sensors would establish43 what is around each vehicle44 and electronic control systems would keep them moving in the right direction, at the right safe speed, with maximum comfort and economy
感應器將確定每輛車的前後左右是什麼,電子控制系統保證車輛朝著正確的方向以正確的安全速度和最舒適、最經濟的形式行駛。分享友人