橢球模型 的英文怎麼說

中文拼音 [tuǒqiúmóxíng]
橢球模型 英文
ellipsoidal model
  • 橢 : Ⅰ形容詞（卵形） oval-shapedⅡ名詞[書面語] （長圓形的容器） elliptic vessel
  • 球 : 名詞1 （以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體） sphere; glo...
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 模型 : 1 （仿製實物） model; pattern 2 （制砂型的工具） mould; pattern3 （模子） model set; mould patter...
  1. The point blast induced spherical wave is the especial instance of the ellipsoid shock wave. at last, the experimental data in alcohol are in good agreement with the calculated results of the model by analysis of the data of the laser pulse induced the laser plasma shock front by acoustics means

    最後，設計應用聲學方法對酒精中產生的激光等離子體沖擊波波前傳播過程進行測試，對兩個不同方向上激光等離子體沖擊波波前測試數據的分析表明，旋轉橢球面的沖擊波模型與實驗測量結果相吻合。
  2. Secondly, the formula of the shock front of the spherical wave in the air is extended to the model of circumrotated ellipse and the process of the shock front of in the water in term of the transmitting characteristic of the laser plasma shock wave in the air

    其次，從空氣中激光等離子體沖擊波波前的傳輸特性出發，將空氣中點源爆炸球面沖擊波波前衰減傳播公式推廣到非中心完全對稱情況，提出旋轉橢球面沖擊波前傳播公式；建立水中的激光等離子體沖擊波波前衰減傳播模型。
  3. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載雷達的星地幾何關系入手，舍棄傳統星載合成孔徑雷達研究中的球地球模型和圓軌道模型，研究了在地球橢球模型和橢圓軌道模型下由雷達天線確定目標坐標的方法，並在此基礎上研製了星載合成孔徑雷達系統設計與模擬軟體，完成雷達系統天線尺寸、脈沖重復頻率、信號帶寬、雷達信號數據率、雷達發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及雷達多普勒特性、雷達系統模糊、雷達定位及精度的分析，最後完成雷達回波信號的模擬。
  4. 2. based on the spaceborne sar theory, an elliptical earth model and an elliptical orbit model are proposed, which have some advantages over the traditional circular ones

    2 .基於星載sar的基本理論，給出了一種進行星載sar回波信號模擬的橢圓地球模型和橢圓軌道模型，它們優于傳統的球地球模型和圓軌道模型。
  5. Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained

    本文採用風洞模型試驗和計算機數值計算相結合的方法，對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究，取得了有意義的結論。
  6. This method offers more precise geometry for spaceborne sar system design and simulation. 3. in the analyzing on the radar doppler properties, under the ellipsoid earth model and ellipse orbit model, considering the earth rotation, the radar doppler properties with different orbit eccentricity are compared, and the fact that orbit eccentricity affects doppler frequency rate is found

    在雷達多普勒特性分析中，論文採用橢球地球模型和橢圓軌道模型，結合地球的自轉，通過不同偏心率下雷達多普勒特性的比較，研究了軌道偏心率對合成孔徑雷達系統設計與模擬軟體研究雷達多普勒調頻斜率的影響。
  7. Based on the data of wind pressure gotten from the wind tunnel test on rigid model, the mean wind pressures and fluctuating wind pressures on the long - span combined structure are studied

    根據杭州大劇院剛性模型風洞試驗的風壓數據，對大跨橢球面屋蓋和圓錐面幕墻表面平均風壓和脈動風壓進行了研究。
  8. The finite element model of hangzhou grand theater ' s structure is built up. through the modal analysis on the model, the structure and structural natural vibration characteristics are presented along with the key elements " influence on the natural vibration characteristics

    根據杭州大劇院實際結構參數，建立了大跨橢球面屋蓋和圓錐面幕墻組合結構的有限元模型，分析了自振特性以及關鍵桿件對自振特性的影響。
  9. To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface

    以圓矢量函數和回轉運動群為工具討論了曲面的誤差變換，利用理論橢球面的誤差曲面建立了實測曲面的數學模型，通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。
  10. The sixth chapter discusses the method for space transformation, which considers the curvature of the earth surface. the author first demonstrates that it is necessary to use ellipsoidal model for the system and educes the transform formula

    第六章討論了考慮到地球曲率情況下的精確空間對齊問題。這一章中首先論證了應用大地橢球模型的必要性，然後推導出橢球面上的局部坐標間的坐標轉換公式。
  11. The main results of the wind tunnel experiment on the 1 200 model of the chinese national grand theatre were introduced. at first, the wind pressure distributions of its semi - ellipsoidal surface in an atmospheric boundary layer flow were simulated, and the effect of the surface roughness was researched. the results indicated a reasonable regularity of its wind loading in various wind directions. on the problem of the environmental influence, it demonstrated that there existed a great effect for the pressure distribution of the great theatre when the grand hall is at east

    介紹中國國家大劇院模型表面風荷載的風洞實驗結果。首先對它的半橢球表面在大氣邊界層中的風壓分佈及增加表面粗糙度的影響進行研究，實驗結果表明在不同風向下它的風荷載具有很好的規律性。有環境影響的對比實驗結果表明人民大會堂對大劇院的風荷載有較大的影響。
  12. Minqe and umvique of the covariance matrix in an extended growth curve model

    橢球等高分佈情形下擴展增長曲線模型中協差陣的最優估計
  13. Linear regression model with elliptically symmetric errors and unknown dispersion matrix was discussed

    摘要討論了協方差陣未知的橢球等高線性模型中的穩健性問題。
  14. 2. to simulate accurate raw data of spaceborne sar, models of satellite with elliptical orbit and targets with rotation of the earth are adopted in the process of calculating between the satellite platform and target

    為了模擬得到精確的星載sar原始數據，本文在計算各時刻星載sar平臺與目標的距離時，採用了精確的數學模型：其中星載sar平臺運動軌跡採用橢圓軌道模型，地球採用橢球體模型。
  15. Influence of linear model under ellipsoidal restriction

    橢球約束下線性模型的強影響分析
  16. The comparisons between the simulated results of two models and experiments show that double ellipsoidal model is better than gaussian model on three - dimensional analysis

    兩種模型的模擬結果與工藝試驗結果比較表明，雙橢球形熱源模型比高斯熱源模型更適合雙絲焊的三維有限元分析。
  17. The main results are as follows : according to the approximate multicollinearity of matrix, the third chapter constrains the regression coefficient and obtains generalized ridge estimation of the linear model ' s parameter under the ellipsoidal restriction

    主要結果如下：論文第三章從設計矩陣的多重共線性角度出發，考慮回歸系數的橢球約束，獲得了橢球約束下線性模型參數的一種新型估計- -廣義嶺型估計。
  18. 5. the dynamic system of the liquid - solid coupled satellite that is filled with an ideal liquid has been researched. the external disturbances and the liquid viscosity have been concerned in this study

    5 、針對帶有橢球腔全充液的衛星，建立了液體做均勻渦旋運動的充液衛星動力學模型，分析了外界干擾和液體阻尼對衛星姿態穩定的影響。
  19. Admissibility of linear estimation of multivariate linear model with respect to a restricted parameter set

    帶有不完全橢球約束的多元線性模型中線性估計的可容許性
  20. This dissertation adopts the modularization programming method to develop the spaceborne sar system design and simulation software, which obtains the windows common interface and logical integrated structure, convenient for usage, maintenance and function extension. 2. as for the earth model and orbit model, according to the properties of spaceborne sar operation, in this dissertation, we reject the sphere earth model and circle orbit model and present a novel way to solve spaceborne geometry relations between radar and target by three ellipses, and achieve the way to determine the target position by antenna pointing direction

    在地球模型和軌道模型方面，論文根據星載合成孔徑雷達工作的特點，摒棄了球地球和圓軌道的傳統模型，創新性的採用三個橢圓解決了星載雷達的星地幾何關系問題，得到了在地球橢球模型和橢圓軌道模型下由雷達天線指向確定目標坐標的方法，為星載合成孔徑雷達系統設計與模擬提供了更為精確的幾何基礎。
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