遞降函數 的英文怎麼說

中文拼音 [dìjiànghánshǔ]
遞降函數 英文
descending function
  • 遞 : Ⅰ動詞（傳送;傳遞） hand over; pass; give Ⅱ副詞（順著次序） in the proper order; successively
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. Gray model gm based on genetic algorithm

    基於遺傳演算法的傳遞函數的模型降階
  2. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上，利用fourier光學成像理論，討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響，導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數，得到了它們在不同激發波長與熒光波長比值時具體的表達式，並且通過數值計算，得到了它們的曲線圖，結果表明：隨著激發波長與熒光波長比值的增加，焦斑的橫向分佈和縱向分佈變窄，橫向解析度和縱向解析度提高，系統的成像效果變好，當激發波長與熒光波長的比值下降到一定程度時，可以看到不同程度的失錐現象。
  3. Firstly unified load - settlement solution of single barrette pile based on bilinear load transfer function is developed in this paper. with the aid of the solution, the barrette behaviour is analyzed preliminarily

    本文首先採用荷載傳遞函數法推導出了雙線性荷載傳遞函數下的單樁荷載沉降關系統一解，並利用此解對壁板樁的承載特性進行了初步分析。
  4. In this paper, we not only analysed the different effects of the disturbing gravitation on the trajectories of different ranges, but also discussed shortcomeings of the spherical harmonics model by which the external gravitation potential of the earth is shown usually. when the model is applied directly to the calculation of the trajectory, since the recurrent calculation can not be avoided, an increase in orders of model will result on a decrease in the speed of calculation

    本文重點分析了擾動引力對不同射程導彈的落點偏差的影響，並且討論了原有計算擾動引力的球諧函數法在計算速度上的缺陷（由於勒讓德函數的遞推計算，使得隨著模型階數的增加模型的計算速度下降） ，然後對其進行改進使其能更好的適用於彈道計算。
  5. The relation of tthe ccd sensor imaging resolution and the mtf is gotten. when the mtf of space remote sensing camera is higher and the contrast of object is higher, it can be believed that the resolution of ccd sensor imaging is 1. 6 times of the pixel dimension, in the mean while the mtf decreases 32 %

    通過模擬得到了ccd探測器的目標影像的分辨力與ccd像元尺寸的關系，當航天光學遙感相機的mtf較高（模擬中鏡頭的mtf = 1 ）且目標為高對比度時，得到ccd探測器的目標影像分辨力是其像元尺寸a的1 . 6倍，其光學調制度傳遞函數mtf下降32的結果。
  6. 5. by applying our recurrence method of decreasing order, we obtain the close formulas of convoluted summations for generalized fibonacci - lucas numbers, euler numbers and genocchi numbers etc. furthermore, we obtain the computed formulae of the higher - order cumulants for a class of the lattice animal and some identities for riemann zeta functions and beta functions. 6

    建立降階遞歸法，並用這種方法得到廣義fibonacci - lucas數、 euler數、 genocchi數等的多重卷積求和的封閉公式，進而得到了若干riemannzeta函數與beta函數的恆等式以及一類latticeanimals的高階累積量的計算公式。
  7. By using some formulae of confluent hyper - geometric function, the results of radial operators on the normalizing radial wave function of a 3 - d isotropic harmonic oscillator are derived, and the ladder operators are given to calculate the matrix elements

    摘要利用合流超幾何函數的遞推關系式得到徑向算符對歸一化徑向函數的作用結果，得出其升降算符通項，便於求解矩陣元。
  8. But the influence trend of the maximum rolling angle and the rolling period was not so simple, it was because the influence of which embodied in the phase relationship of mass flow and the pressure drop across the tube. the d - partition method was developed to separate the test tube into four regions and the drift flow model was imported into the two phase region, based on which the solution of the response of the pressure drop of tested tube to the inlet mass flow perturbation can be obtained

    在不搖擺和搖擺工況下，採用d分區法對實驗段進行分區，在兩相區採用漂移流模型對實驗段的壓降對入口流速擾動的響應進行了求解，給出了各區壓降響應的表達式，進而得到了在不搖擺和搖擺工況下，壓降與入口流速擾動之間的傳遞函數。
  9. In this paper, depending on the enormous 356 pile testing date detailed with soil and pile parameters and p ~ s curves, covering xi ' an and adjacent areas, we analyzed the load transmission mechanism of pile in loess foundation, and proposed a kind of hyperbolic load transmission function between pile and it ' s neighboring soil. meanwhile, we created a mathematical model to predict p ~ s curve and bearing capacity of single pile. by analyzing the compacting effect caused by pile - sinking of pressed pile in loess and it ' s influence on bearing capacity and settlement, two parameters, kc and ke are introduced to modify the soil cohesive c and deformation modulus es

    本文利用現己收集到的西安及其周邊地區356根打入樁、靜壓樁、灌注樁的現場試樁資料（其中打入樁67根，靜壓樁121根，鉆孔灌注樁168根，並有詳細的地層勘探資料，樁深資料，荷載沉降?曲線）對西安黃土地基中的打入樁、靜壓樁、灌注樁的荷載傳遞機理進行了分析研究，認為用雙曲線型的荷載傳遞函數模擬樁土之間的荷載傳遞函數是合適的，並用荷載傳遞分析的方法建立了計算p s曲線的數學模型及極限承載力的確定方法。
  10. In view of load transferring capability of rock - socketed piles, this paper compares rock - socketed piles with non - rock - socketed piles, analyzes influencing factors ( pilelengtru pile diameter pilemodulusx character of bearing stratuiru mud hull sediment of pile bottom and roughness ) on force character. with different load transferring functions, a set of analytical equation for single pile settlement calculation of rock - socketed piles are established : three stages of p - s curve from analytical equation are gained which are straight linex curve x straight line ; and relationship curves in different pile modulus and in different rock - socketed length

    根據所選用的不同的荷載傳遞函數，導出了嵌巖樁單樁沉降計算的一種解析演算法，分析得出嵌巖樁p ? s曲線按荷載變化分為直線?曲線?直線段三個階段，不同樁身模量下承載力的變化曲線，樁身模量、樁端巖石強度是影響單樁承載力的重要因素，不同嵌巖深度下端阻比的變化曲線。
  11. It is appropriate commonly that the resolution of ccd sensor imaging is 1. 8 times of the pixel dimension, in the mean while the mtf decreases 11 %, because the mtf is bigger, the other parts are easier to be made and the image shows the characterization of the object well. 2

    一般情況下取ccd探測器的目標影像分辨力是其像元尺寸的1 . 8倍較為適中，因為這時的mtf數值較大對系統的其它環節的指標壓力較小，且圖像較好地反映了目標圖形的特徵，此時其光學調制度傳遞函數mtf下降了11 。
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