橫向分速度 的英文怎麼說

中文拼音 [héngxiàngfēn]
橫向分速度 英文
cross stream velocity component
  • : 橫形容詞1. (蠻橫; 兇暴) harsh and unreasonable; perverse 2. (不吉利的; 意外的) unexpected
  • : 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
  • : 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
  • 橫向 : broadwise; infeed; crossrange; abeam;transverse; transverse direction; cross; crosswise; lateral;...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Image motion compensation ( imc ) is the key technology of high - resolution space camera. image motion speed is seperated into two vectors in image coordinate for the existence of the drift angle : the forward direction image motion speed and the crosswise image motion speed. in fact, drift angle control eliminates the crosswise image motion speed, so it is a part of image motion compensation

    在空間照相,由於偏流角的存在,使得像移在像面坐標系存在兩個量:前像移像移,偏流角控制本質上是消除像移,因此,偏流角控制是空間相機像移補償的一部
  2. The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track

    摘要車道行駛輪跡佈頻率曲線顯示,渠化程較高的高公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。
  3. The effect of the height between nozzles and ground plate, the distance between the nozzles, the inlet velocity of the nozzles, and the velocity of the cross flow on the flowfield structure were studied one by one

    別就噴嘴距地面高、噴嘴間距、噴嘴出口流等,對噴射垂直撞擊平板流場的影響,逐一討論。
  4. 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 )代數動力學方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量的無規漲落和量的無規漲落存在著互補性。
  5. It is also found that the telluric heat flow value is stripped from south to the north and dispersed from east to the west

    下地殼電性結構和結構明顯具有縱層和塊的特點,其熱流密值具有明顯的南北條帶性和東西塊性。
  6. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點,將漫灘水流的復式斷面為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬的經驗公式.根據灘槽交互區垂線流佈的變化特點,提出了附加尾流函數的對數流佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流及含沙量沿佈進行了理論析,提出了反映灘槽水流動量交換強渦量粘性系數及擴散系數的表達式,得到了漫灘水流垂線平均流及含沙量沿佈的解析解,並與實測資料吻合較好
  7. Objectie. the purpose was to ealuate the influence of pain distribution on ertical grf of patients with low back problems during 2 walking speed conditions : preferred and fastest speeds

    研究設計:通過對只有背部疼痛組,背部疼痛並牽扯到腿部組,及正常對照組3個性別年齡相匹配組進行兩種步行的對比,來析垂直地面反應力。
  8. The dissertation focuses on seismic wavefield forward modeling and migration for the fractured reservoir. the paper integrates and researches the wavefield extrapolation operator for lateral variation of velocity, analysis of the wavefield characteristic, forward modeling and depth migration of prestack and poststack seismic wavefield, creation of wavelet, design of the model with fracture and cavity, and computation of reflectivity

    本文圍繞縫洞儲層地震波場正演與偏移問題,對波場延拓運算元;疊前與疊后正演模擬;疊前與疊后深偏移;子波的生成;縫洞模型的設計、反射系數的求取、正演、偏移及其波場特徵析進行了一體化研究。
  9. The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir. it researches the wavefield extrapolation operator for lateral variation of velocity, design four theoretical models and seven practical models with fracture and cavity. base on the progenitor, in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong, the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield

    本文圍繞縫洞儲層地震波場正演與偏移問題,研究了適用於波場延拓運算元,建立了四個理論的縫洞模型和七個實際的縫洞模型,在總結、析前人的研究成果的基礎上,利用適合劇烈變化的相移加插值的波場延拓運算元,在頻率?波數域對上述的地質模型進行正演、偏移處理,最後得到了縫洞儲層地震波場的一些特徵。
  10. Author, starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and propose the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) which can adapt severe lateral velocity variations, in frequency - wavenumber domain, and the improved wavefield extrapolation scheme, also give the method to improve the computation efficiency. the achievement establishes the theoretic basis of the whole research

    首先,從波場延拓的單程波方程出發,系統地研究了頻率波數域的波場延拓運算元之間的相互關系和轉換條件並在此基礎上提出了能適應劇烈的頻率波數域穩定的變參考慢rytov近似廣義屏波場延拓運算元( vrselrf )和部波場延拓改進方案及提高運算效率的措施,為整個研究打下理論基礎。
  11. Vibration of tank gun in the process of firing is one of the main factors that affect its firing accuracy, especially the instantaneous angular motion and the instantaneous linear velocity at the point of gun muzzle when the projectile leaves the barrel bore

    影響坦克炮射擊精的主要因素之一是火炮振動,起關鍵作用的振動量是在彈丸出炮口瞬間炮口振動角位移和
  12. The solutions of maximum measurement range and the methods to increase the measurement are given in the condition of stable state and the restricted parameters. how to compensate dynamic performance of servo - system and the analysis of response of system in different inputs are given, too. in this paper the movement equations of the seismic mass of inertial sensor are derived by the known models of the accelerometer

    主要包括:敏感質量偏心距、干擾和外加偏壓對傳感器穩定性的影響,給出穩定和參數受限條件下最大量程的求解以及提高量程的方法,研究如何補償伺服系統動態性能,以及不同輸入條件下系統響應的析。
  13. Author, secondly, starts from the approximate expandness of square root operator, perform mathematical calculations for finite difference operator in frequency - space domain, fourier finite difference operator in mixing domain ( frequency - space and frequency - wavenumber domain ) and general screen operator in mixing domain, compare and discuss their precision of their wavefield, adaptability for lateral velocity variations, computation efficiency and stability. thirdly, author, applies the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) in frequency - wavenumber domain, to the prestack and poststack forward modeling and depth migration

    第二,從平方根運算元的近似展開出發對頻率?空間域的有限差運算元、混合域(頻率?空間域;頻率?波數域)的fourier有限差運算元、混合域的廣義屏運算元進行了推導並對其波場描述精、對的適應性、計算效率和穩定性進行了比較與評述。
  14. The electromagnetism field of the accelerator cavity is analyzed, and the movement of electron in the cavity also analyzed. the vibration rule of transverse emittance is acquired when the electron beams move in the accelerator cavity, and the result complies with the numeric simulation

    析了rf - gun加腔中的電磁場結構和電子運動規律,得到電子束在加腔中運動時束流發射是振蕩變化的,與數值模擬結果吻合。
  15. A hybrid migration method, named " fourier finite - difference migration ", is a post - stack depth migration scheme. the downward extrapolation operator is split into three operators : one operator is a phase - shift operator for a chosen constant background velocity, another operator is the well - known first - order correction term, and the third operator is a finite - difference operator for the varying of the velocity function. phase - shift downward extrapolation and finite - difference downward extrapolation preserves the advantage of phase - shift method and finite - difference method

    傅立葉有限差(簡稱ffd )偏移演算法是一種疊后深偏移演算法,其下延拓運算元是一種混合運算元,包括三項:一項是處理常的相移運算元,一項是一階相移修正運算元,最後一項是類似45方程的有限差運算元,用來處理劇烈
  16. It ' s found that the best absolute lateral resolution of the velocity on the hq - 13 profile is about 30 kilometer, while that of the depth parameter on this profile can be smaller than 10 kilometer. both of the velocity and depth parameter points are of 20 kilometers interval on the four profiles in yunnan region, their lateral resolution are also detected by the checker - board - test method

    檢測板試驗的結果表明, hq - 13線地殼結構變化的最佳絕對辨應在30km左右,該測線上界面形態變化的絕對辨可以達到10km以內;取節點間距和界面深節點間距均為20km的檢測板試驗表明,雲南地區四條測線地殼內界面形態的辨良好。
  17. A rhombic new concept car is characterized with a rhombic configuration of 4 wheels, which has the advantage of avoiding forward collision, excellent mobility, and low wind resistive factor over traditional cars

    摘要採用線性三輪模型析了菱形新概念車的轉性能,並推導出轉穩定性因子和擺角增益傳遞函數。
  18. The differences between this method and other similar methods are : ( 1 ) the fast synthetic source record algorithm based on the wave theory is adopted in prestack depth migration. ( 2 ) the plane wave source is used in migration that is consistent with the velocity analysis method. ( 3 ) by using the controlled illumination, the distortion of the plane wave source wavefield due to the lateral velocity variation is avoided therefore the error of velocity analysis is reduced and ( 4 ) the practical velocity spectrum makes the interactive migration velocity analysis feasible and convenient

    與其他類似偏移析方法的不同點在於: ( 1 )疊前深偏移採用基於波動理論的快合成震源記錄演算法; ( 2 )偏移方法採用平面波震源,與析方法一致; ( 3 )應用控制照明技術,避免了因而導致的平面波震源波場在傳播過程中的畸變,從而減小了析的誤差; ( 4 )實用的譜設計,使交互偏移析可行且易於操作。
  19. At last, based on vehicle side - slip angle and yaw rate, 3 different kinds of vehicle handling stability controller are designed using variable structure control with sliding mode theory. at simulink simulation flat, do simulation experiment of the concept car model with the direct yaw moment control and without control ; and which control strategy should be apply in different specifically vehicle working conditions, how the vehicle velocity, steer characteristic, control parameters etc. impact the control quality have been studied

    最後,運用滑模變結構控制理論,基於質心側偏角和擺角這兩個控制變量別提出三種具有針對性的控制策略,在simulink模擬平臺上,對帶有汽車穩定性控制器和不帶汽車穩定性控制器的車輛模型進行了模擬研究;對不同工況下汽車穩定性控制策略的具體應用及車、轉特性和控制參數等因素對控製品質的影響進行了研究。
  20. The analysis is focused on the acceleration influence on burn rate of the grain when the solid rocket motor is working under lateral overload. the simple model of burn rate in acceleration field is established. moving laws of burn surface for two different grain type srms are respectively derived, on the base of which zero dimension and one dimension quasi - steady internal ballistic simulation models are established

    析了過載對固體推進劑燃的影響,建立了場中的簡化燃模型,推導了兩種不同藥型的燃面退移規律,在此基礎上進行了零維、一維準定常內彈道計算與析,建立了固體火箭發動機內流場三維兩相流模型。
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