實變數函數 的英文怎麼說
中文拼音 [shíbiànshǔhánshǔ]
實變數函數
英文
real variable function-
Considering the electrovalence, the curve of water consumption and the reliability of water supply, this paper respectively sets up the model based on the maximal flux and the model based on the expectation flux. it takes yearly expenditure converting value and yearly cistern converting value as target function and takes continuity equation, velocity of flow and compression resistance of cast iron pipeline as restrictions and sets up the pga model on optimal design of water supply networks
考慮到峰谷電價、用水量變化曲線及用水可靠性因素的影響，分別建立了以最高時流量設計管網的模型和以期望時流量設計管網的模型，以年費用折算值加上清水池年造價折算值為目標函數，以連續性方程、管中流速和鑄鐵管耐壓值等為約束條件，進行并行遺傳演算法對給水管網優化設計的實現。In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab
針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms
基於實驗曲線構建了最小二乘形式的目標函數，並採用傳統優化方法輔助設計了各個決策變量的搜索空間，進而用遺傳演算法確定了損傷型zwt非線性粘彈性本構關系中的材料參數。In the first part of the paper, the development of motor control system fault diagnosis theory is summarized. on the basis of the analysis of the characteristics of wavelet, the theory is discussed and the definition of the singularity is given. because of the localization property of wavelet transform, wavelet analysis can be used to detect the characteristics of the singularity from the signal and intermittence fault problems lying in the motor under test
著重介紹了小波分析在電機控制系統故障診斷中的應用，根據小波理論在時域和頻域良好的局部化性質，討論了利用小波變換來檢測信號的奇異特徵的原理，給出了小波變換對信號奇異性特徵檢測的方法，針對實際應用，對小波基函數選取及小波分解尺度進行了探討。In this paper, resorting to the hypermonogenic function in real clifford analysis, we define the hypermonogenic function in complex clifford analysis and give the sufficient and necessary conditions of complex monogenic and complex hypermonogenic functions. the result is similar to the cauchy - riemann condition of complex analysis. so we get some relations between the real and complex clifford functions
本文藉助實clifford分析中的超正則函數，定義了復clifford分析中的超正則函數，得到了復正則函數及復超正則函數的充分必要條件，這些條件類似於單復變中的cauchy - riemann條件，使復clifford函數與實clifford函數有了聯系，並討論了復超正則函數的若干性質。Based on the fem program on fracture of plane structure developed by professor fu xiaoling of ho hai university, a two demension damage and fracture finite program package which is programed in fortran 90 language is developed. the paper adopts the plane - eight - nodes isoparameters element and compute the developing law of the damage and macro - damage of plane structure under load. considering the original damage and tension and compression damage at the same time, the paper adopts the more reasonable concrete constitute relation of two demension and exponent function model
在河海大學符曉陵副教授所編制的平面結構斷裂有限元程序（ dl08p4 ）基礎之上，本文用fortran90語言編制的二維損傷-斷裂有限元程序包，程序採用平面八結點等參數單元分析計算平面結構在外荷載作用下損傷及宏觀裂縫的發展規律，考慮了混凝土結構體內存在著初始損傷和同時存在的拉、壓損傷，並且採用更為合理的具有損傷含義的混凝土二維本構關系（即正交異性損傷模型中的本構方程）和指數函數模型建立的並可進行拉、壓損傷可比性換算的損傷演變方程，較為真實地反映了實際情況。Abstract : by both the external combination of deck coefficient and designed water - line coefficient ? and the in - ternal combination of deck transformation and cross - section area curve transformation ? a new ship line is generated on the condition that cross - section area is the same as the basic ship and designed water line satisfies the need. this method needs not look for any transformation function to finish the change of cross - section area curve. it is a profitable development to the traditional lackenby method
文摘:本文通過甲板面面積系數和設計水線面面積系數的外層疊代、甲板面變換和橫剖面面積曲線變換的自身內層疊代，在保持橫剖面面積曲線不變的條件下，獲得滿足設計水線面系數變化要求的新船型，而不必尋找橫剖面線的變換函數來實現設計水線面的變換，本方法是對傳統的母型船變換的一個有益補充。Although authroware releases the multi - medium staff from the trivial programming work, then have them devote all their efforts to the new conception and the art processing, yet it is not an easy way to the ordinary consumers even if to the advanced ones to use the authorware ' s variable and function agilely
雖然authorware將多媒體開發者從繁瑣的編程工作中解放了出來，使開發人員能把主要精力投入到構思創意和藝術加工上，但事實上，如果開發者對authorware這個創作平臺了解不多或者不深的話，要製作出結構清晰、界面友好及交互性強的多媒體作品並也不是件很容易的事，能將authorware變量、函數（特別是外部函數）靈活應用更是困難。An entity is a value, object, subobject, base class subobject, array element, variable, function, instance of a function, enumerator, type, class member, template, or namespace
實體是一個值，對象，子對象，基類子對象，數組元素，變量，函數，函數的實例，枚舉符，類型，類成員，模板，或名字空間。In the paper, static and dynamic triaxial tests were conducted on fiy ash at shanmenxia longgou ash dam, and the static and dynamic parameters of fly ash were obtained. thirdly the 2 dimensions static analysis of the ash dam was conducted based on biot ' s consolidation theory and duncan ' s nonlinear stress - strain model. finally the plane dynamic behaviors of the ash dam during earthquake of intensity 7 were analyzed based on the exponent function model of excess pore water pressure aroused by earthquake, which is put forward in the paper, and equivalent visco - elastic dynamic fem model and principle of effective stress
本文結合實際工程，對三門峽火電廠龍溝灰壩的築壩粉煤灰進行了靜、動三軸試驗，確定了該壩粉煤灰的靜動力學指標；然後根據比奧（ biot ）固結有效應力原理，採用鄧肯（ duncan ）非線性應力應變模型，對該灰壩的二維靜力應力和變形狀態進行了分析；最後利用本文提出的地震超靜孔壓指數函數模型，採用等價粘彈性動力有限元方法，對該灰壩在地震作用下的動力穩定性進行了分析評述。We introduce and motivate the main theme of the course, the setting of the problem of learning from examples as the problem of approximating a multivariate function from sparse data - the examples
我們介紹且激發課程的主題將朝向于實例學習法的問題設定，例如稀疏值中多變量函數近似的問題。We look at the problem of learning from examples as the problem of multivariate function approximation from sparse chosen data, and then consider the case in which the data are drawn, instead of chosen, according to a probability measure
並檢視稀疏精選值中多變量函數近似法等這些從實例學習法所發現的問題，然後根據機率衡量，審思隨機獲得資料而非選定資料的案例。Abstract : the paper shows the relative deformation function of the cam mechanism with a roller follower as a linear time - invariant system, and gives the detail about the response limitation for the dynamic design and modification of cam mechanisms. an example demonstrates this approach can improve the flexible cam mechanisms
文摘:以滾子從動件平面凸輪機構為分析對象，提出了相對變形函數這一新概念，並從理論上對其進行了研究，最後藉助於一凸輪機構在不同參數下其擺臂最大相對變形量的數值計算過程與結果，闡述了基於該理論的凸輪機構動態設計與修改的具體實現步驟與方法。If the original program relied on getting what are, in effect, per - request parameters from the environment, they must be converted to function parameters
如果最初的程序實際依賴于從環境中獲得每次請求中的參數，那麼就必須將其轉變成函數參數。4. the recurrence formula of the creep strain is the key of fem calculation of creep stress. in this paper the exponential function is used to figure the creep strain, and the recurrence formula of 3d creep strain at any periond of time is derivated
徐變變形遞推計算公式是溫度徐變應力有限元計算實現的關鍵所在，本文用指數函數式表示徐變度，在此基礎上，對三維空間問題徐變變形進行了研究，推導了任一時段徐變增量的遞推計算公式。For the bar image segmented, bilinear transformation function is used to restore the bar image
對分割出的圖像，採用雙線性變換函數來實現目標的校正。Therefore, we need more concrete function to better discribe the variation of some biological populations in our real world. the two important indexes r ( t ) and k ( t ) of logistic equation are asmptotic periodic function, and discussed by author. the asmptotic solution of the asmptotic periodic logistic function is obtained
因而，為了更好地刻劃客觀世界，我們需要用更加符合客觀實際的函數來描述生物種群的變化，於是作者對logistic方程的兩個重要的參數r （ t ） ， k （ t ）分別是漸近周期函數時，研究漸近周期logistic方程的漸近周期解，並且得到了解的存在性，唯一性，全局吸引性等一些良好的性質The main achievements of this work include the some aspects as follows : ( 1 ) based on a simple model with constant number of parameters, which consists of a set of trigonometric series functions, a generalized ionospheric model is constructed whose parameters can be adjusted
主要包括： （ 1 ）將參數固定的三角級數函數電離層模型，擴展為更適用於理論研究和實際應用的參數可調型廣義形式，實現了根據電離層延遲時空變化特徵，選擇不同的特徵參數模擬電離層延遲的影響。According to the problem that the recovery rate is traditional treated as a constant or an independent stochastic variable by the classical credit risk pricing and management model, and problem that the negative correlation between the default probability and recovery rate is always neglected, this dissertation gets the exponential and logarithm regression models of default probablilty and recovery rate based on some empirical researches, and improves on several broadly applied credit risk models, such as structural hazard rate model, affine structure model, convertible bond pricing model and credit metrics model, and introduce the negative correlation between
針對傳統的信用風險定價模型及信用風險管理模型將違約回收率看成是一個外生的常數或是一個獨立的隨機變量，而忽略回收率和違約概率之間的負相關性這一問題，本文應用相關實證研究得到了違約概率和回收率的指數和對數回歸模型，並對應用非常廣泛的結構化風險率模型、仿射結構模型、可轉換債券定價模型和creditmetrics模型進行了改進和拓展，在新模型中應用指數和對數函數引入了這兩個變量之間的負相關性。The results show that the maximum likelihood classification based on variogram texture and spectral bands can perfectly define the grades of beach sandy land and inner desertification, and the maximal classification precision comes up to 92. 4 %, which proves that geostatistical texture is effective in the application of desertification monitoring
結果表明，運用變異函數紋理結合光譜波段的最大似然分類方法能夠很好地界定海灘沙地和內陸荒漠地的等級，最高分類精度達到92 . 4 % ，證明了基於地質統計學的影像紋理在實現該地區遙感荒漠化監測方面的有效性。分享友人