梯度曲線 的英文怎麼說
中文拼音 [tīdùqūxiàn]
梯度曲線
英文
gradient-curve- 梯 : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 曲 : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
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Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident
Win2000系列病床電梯以人性化的設計,超平穩的運行,給予病患者最大程度的安靜舒適增添溫馨的色彩。採用先進vvvf調頻調壓調速裝置,按人體生理要求由電梯優化產生最佳的運行曲線,使電梯的起動加速減速停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置,確保以外停電時,被困電梯內的乘客能及時獲得解困。In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got
第五章從上一章測量所得折射率分佈曲線出發,根據梯度介質球內光線傳輸的理論模型,用光線追跡的方法分析了327 #微球透鏡的反光性能,並對最佳性能條件進行了總結分析,發現效果提高並不明顯,進而在第六章中提出了提高grin聚合物微球回歸反射性能的兩個基本途徑,並用光線追跡方法進行了詳細的分析,最終得到了良好的效果,並對結果進行了一定的分析解釋。Chapter 5. based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, by this means the mainly imaging character index of the micro - lens such as foci, longitudinal and transverse spherical aberrations aberration etc is calculated. i
第五章從測量所得折射率分佈曲線出發,根據梯度介質球內光線傳輸的理論模型,用四階runger - kutta方法進行光線追跡,計算了此種梯度球的縱橫向球差等光學特性,給出所製作梯度折射率微球透鏡成像性能的評價。This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time
本文針對plc無功調度曲線控制器,結合整個研製過程,在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述,並給出了部分程序流程簡圖(由於梯形圖網路數太多,受篇幅限制沒有給出) 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識,在設計過程中,我們查閱了大量相關的資料,在充分調查、分析、研究的基礎上,結合桓仁發電廠實際情況,首次提出並研製出了plc無功調度曲線控制器。Based on the analysis of the current lift velocity curve, sine curve was used as the ideal velocity curve of the system
文中還在對各種電梯運行曲線進行分析比較的基礎上,把正弦曲線作為adcm的理想速度曲線。Based on the classical nonlinear plate theory, axisymmetric post - buckling behavior of a functionally graded circular plate under radial compression was investigated
摘要基於經典非線性板理論,研究了功能梯度圓板在均勻的徑向壓力作用下的軸對稱過屈曲問題。In the course of modeling, we present multi - step generalized gradient method and multi - stage curve fitting technique, prove convergence of multi - step generalized gradient method by using differential equation stable theory, analyze the error of multi - stage curve fitting technique by using inner space, creat knowledge base of water network system by using the maximum subordinate principle of and near - select principle of pattern recognition. at last we make the optimal running scheme of water network system based on heuristic search technique of artificial intelligence and global feedback immediate coordination method of large scale system theory
在建立系統模型的過程中,提出了多步廣義梯度法和多層曲線擬合的建模方法,並用微分方程穩定性理論證明了多步廣度梯度法收斂性,用內積空間的有關知識對多層曲線擬合進行誤差分析;應用模糊數學中的最大隸屬度原則和模糊識別中的擇近原則和人工智慧中狀態空間表示法建立注水系統的知識庫;用人工智慧中的啟發式搜索技術和大系統理論中的具有全局反饋的直接協調法制定注水系統的優化運行方案。The external force given by the edge map makes the curve moving in the direction of the edge, hi traditional active contour the external force is the potential energy of the edge map, which has some insurmountable difficulties
外力是由圖像的邊界圖給出,它使得曲線向著邊界點移動。在傳統的活動輪廓中,外力通常由邊緣點的梯度勢能場給出。Fluent can imitate relation curve about heat transfer coefficient k and re, friction resistance coefficient f and re, the isoline about dot metrix between velocity field and temperature grads field. it also drafts several operating mode simulated stream field, velocity and temperature grads field
應用fluent軟體擬合出傳熱系數與re關系曲線、摩擦阻力系數與re關系曲線、速度與溫度場梯度點積值的等值線圖, nu較大的幾個工況的模擬流場、速度和溫度梯度場。Trapezoid curve method is adopted for frequency control of stepper motor. and a rough speed control method of servo motor is developed. kinematics modeling of rover in manipulation is presented
控制系統軟體部分採用梯形曲線對步進電機進行升降頻控制,同時實現了對舵機的近似速度控制。Several influence factors to result plasma drift in hainan were analyzed. in this paper the characteristics of ionospheric parameters variation were analyzed systematically and some new results in storm - time such as seasonal behaviors were obtained ; it is the first time to investigate the ionospheric drift behavior in hainan and some new results was obtained, the relationships between each two plasma drift velocity components in storm time in hainan were found and the electric filed variation in hainan ionosphere also was obtained ; the results also show that there are big differences of the ionosphere parameters bo and bl obtained from the data with that obtained from the iri - 2001 applied for hainan ; a new phenomena was found during a strong magnetic storm, that a layer with very strong electron density and density grad was found during the recovery phase of the storm, its horizontal scale is beyond 100km and temporal scale is about 2 hours, this phenomena repeated 3 times continuously. a type of negative disturbance in high and low latitude but positive disturbance in east - asia also has been found
本文較為系統地給出了海南地區電離層的參數變化特徵,特別是得到了一些暴時與以往不同的季節特性;第一次給出了海南地區的電離層等離子體漂移特徵,發現等離子體漂移暴時擾動在三個方向上有內在的聯系,得到了電場變化曲線;研究結果還表明海南電離層的半厚指數和形狀參數等與國際參考電離層iri - 2001存在很大差別;通過對強磁擾動事件期間的參數變化特性分析發現,在磁暴恢復相期間海南地區電離層底部存在一個電子密度非常大的高密度區,高密度區底部電子密度梯度隨高度急劇增加,該區域的水平尺度可達100公里以上時間尺度約為2小時,連續出現過三次,這是一個在海南從來未發現的新現象;研究還發現了暴時東亞地區電離層擾動會出現高低緯負相而中緯正相的現象。After a novel speed function based on local gradients of differencing image, object variances and background variances was defined, an improved evolution equation for segmentation curve was obtained, and then different moving objects were segmented
定義了一種新的基於差分圖像的局部梯度、目標的方差和背景的方差的速度函數,得到了改進的分割曲線的演化方程,分割出不同的運動目標。In the paper the initial iocation and dimension of step are studied from which we get the conclusion tha the energy dissipation is highcr if the initial location is at the curve section of l / 2 height of the spillway top and the dimension gap of neighbor step is bigger, the energy dissipation is higher
通過對階梯溢流壩的過渡階梯的起始位置和具體尺寸的試驗研究。得出過渡階梯的最佳起始位置約在壩頂曲線段1 2高度處且相鄰階梯的尺寸相差較大時,所得的消能率較高。Based on the theory of mechanical optimization and finite element analysis, elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation. firstly, a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient. meanwhile, the angular displacement, angular velocity, angular acceleration and the corresponding curves of each component in a motion period are obtained
本文以北京人民機器廠mp1040b型模切機肘桿機構為研究對象,以機械最優化理論和有限元技術為基礎,首先對模切機肘桿機構建立數學模型,通過梯度法求解此非線性方程組,並得出機構在一個運動周期中各構件的角位移、角速度、加速度等運動參數及曲線。In fluent, the flow field of the tube wall, center, top, middle and bottom of the evacuated solar collector tube can be observed, the temperature - time curve and radial temperature gradient can be obtained, the heat loss of different part can be directly captured. 3. all kinds of effect factors of the flow field and temperature field have been analyzed
通過fluent計算,清楚地觀察到太陽能真空集熱管壁面和中心部分,頂部、中部和底部在各種工況下的流場分佈均不相同;得出了各種工況下的溫度-時間變化曲線,沿軸線方向的溫度梯度;同時還計算了各部分熱損的傳熱流量; 3( 2 ) computational simulations on in - line holography of single particle, multi - particle in one plane and particle field ( multi - layer ) are performed. a technique to find the focal plane is given according to the gray - gradient curve of the particle image. an improved numerical reconstruction method is proposed, which can eliminate the border diffraction
( 2 )對同軸粒子全息圖的記錄和再現過程進行了數值模擬,提出了根據灰度梯度曲線判斷粒子成像平面的方法,同時提出了一種可有效消除全息圖邊框衍射條紋的改進演算法。In this paper, we consider mixed finit element methods for the initial - boundary value problems of two order hyperbolic equations and linear integro - differential equations of parabolic type, obtain the error estimates of the discrete schemes for this two kinds of problems. in chapter one, we consider the expanded mixed finite element methods for the followling 2nd order hyperbolic problems this method expands the standard mixed formulation in the sense that three variable are explixitly treated : the scalar unknwon, its gradient and its flux
本文討論了二階雙曲方程和線性拋物型積分微分方程方程初邊值問題的混合有限元方法,得到了這兩類問題混合有限元離散格式的誤差估計。第一章討論二階雙曲初邊值問題的擴展混合元方法。該方法能同時逼近未知函數、未知函數的梯度和流體的流量,較好的模擬了帶有混合型邊界條件的二階雙曲問題。Photography - sensitometry of screen film systems for medical radiography - determination of sensitometric curve shape, speed and average gradient
攝影.醫用放射照相用屏蔽膠片系統的感光測定.感光曲線形狀速度和平均梯度的測定Photography - sensitometry of screen film systems for medical radiography - determination of sensitometric curve shape, speed and average gradient for mammography
攝影.醫用放射照相用屏蔽膠片系統的感光測定.感光曲線形狀速度和乳腺x射線照相術平均梯度的測定And the functional box - counting method has been used to analyze radar rain date to obtain the multiple dimensions of the rain field and the results show that the gradient among the isolines of fractal dimensions can be used to quantitatively represent the gradient of the radar echoes
結果表明:為了增加一個站網的測量能力,在對其進行加密或調整時應該盡量增大其分形維數。雷達同波分維數曲線間的梯度大小可以用於定量表示雷達回波的梯度大小。分享友人