數學物理方法 的英文怎麼說
中文拼音 [shǔxuéwùlǐfāngfǎ]
數學物理方法
英文
method of mathematical physics- 數 : 數副詞(屢次) frequently; repeatedly
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 數學 : mathematics
- 物理 : 1. (事物的內在規律) innate laws of things2. (物理學) physics
- 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
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The methods of analysis and evaluation to the stability of slope, now mainl y are qualitative analysis, half quantitative analysis, physics model test and qua ntitative analysis. they all are extensively synthetically use of project geology, soil mechanics and classical mathematics physics, with the help of computers
對于斜坡穩定性的分析評價方法,目前主要有定性分析、半定量分析、物理模型試驗和定量分析等,它們都是對工程地質、巖土力學以及經典數學物理通過計算機進行廣泛的綜合運用,各有側重和優勢。How to solve the questions of mathematics physics with green function method is clarified with several examples
結合具體實例,說明如何用green函數方法解決數學物理問題了。Green function method is very important in the mathematics physics. with the developing of physics, the method is more and more important and it is used more and more widely. but it is difficult for student to learn green function method
Green函數方法是求解數學物理方程中的重要方法,隨著近代物理學的發展,這一方法越來越重要,應用也越來越廣泛,然而, green函數方法又是初學者普遍感到困難的內容。( 3 ) the author applied wavelet analysis in the data processing of airborne radioactive survey, and analyzed the effect of wavelet used in spectrum data processing, line data processing and region data processing. the author had proved that the wavelet used in spectrum data processing can gain more true and more ideal information than traditional data processing method, and can accurately identify information which is beyond main energy windows by practice data. the author considered it is effective to extract abnormal information when the wavelet used in line data processing, and it is effective to eliminate the belt of airborne radioactive survey data when the wavelet used in region data processing
有效的融合了遙感航測信息,提高了工作效率; ( 2 )根據光學有關物理性質,製作的模擬反射率圖,囊括了tm數據七個波段的信息,使得圖像質量、地物解析度得到了提高; ( 3 )在航放數據處理過程中引入了小波分析,系統分析了小波在處理單點數據、測線數據、測區數據的應用效果;用試驗數據證明了小波處理單點數據可得到較傳統數據處理方法更為真實、理想的譜數據,能準確的識別主能量窗以外的信息;認為處理線數據,可以提取埋藏於噪音中的異常信息;處理測區數據,對消除航放數據的條帶有一定的效果。This paper described a cross - flow type of indirect evaporative cooler with condensation in primary airflow. according to the heat and mass transfer performance of indirect evaporative cooler, three - dimensional mathematical model had been established. with the preprocessor gambit, the geometry and mesh generation was completed
論文根據間接蒸發冷卻過程傳熱傳質的特點,對間接蒸發冷卻器進行了合理必要的簡化假設,應用計算流體力學( cfd )方法,建立了板式間接蒸發冷卻器的三維數學物理模型。In force measurements, the static and dynamic tether forces of leukemia cell and mammary cancer cell membranes were detected. the tether forces of mammary cancer membranes in different conditions were compared. and the mechanical properties in the process of tether formation were discussed
在細胞膜力學性質的研究中,我們用細胞膜拉絲的方法,測定了單個白細胞、乳腺癌細胞在各種條件下的動態和靜態膜絲力,首次建立了細胞膜質庫的數學物理模型,對膜絲形成的力學機理進行了較詳細的探討。In order to overcome difficulties in the recovery of historical tritium concentration in the determination of shallow groundwater age by the method of mathematical physical model, this paper, just taking the expolatianal model as the example, deduces a new formula to calculate the groundwater age based on the equation of the tritium mathematical physical and the tritium analysis results in different times
摘要為克服應用氚同位素方法確定現代地下水年齡過程中存在的,需確定地下水系統輸入項的歷史背景濃度問題,本文根據地下水同位素數學物理方程,以全混模型為例,利用不同時期地下水同位素的測試結果,通過數學迭代運算,推導出計算現代地下水年齡的計算公式。Combining with the practice of building library collection of our library, this paper discusses the principle of the local document collection of ethnic minority and science experiment management methods, puts forward the importance standpoint of the real object document and some viewpoints for the digitizing of regions of ethnic minority
摘要文章結合本館藏書建設實踐探討了民族地方文獻的採集原則及科學管理方法,提出了實物文獻的重要性觀點,並就民族地方文獻的數字化發表了一些看法。A new fluid - structure coupling numerical method is developed in the present dissertation. 2d / 3d navier - stokes equations and low renolds number turbulence model are solved in the fluid zone, while the structure models are solved in the solid zone. the boundary conditions are transferred between the two zones after each time step
該方法採用了準確的數學物理模型,在流體區域求解二維、三維favre平均的非定常navier - stokes方程,在固體區域對于不同的問題求解體振動模型,每一個計算時間步完成後,流體和固體之間傳遞一次邊界條件。Meanwhile, according to the assessment cell of small watershed, the paper evaluates each index and compositive index. the paper can provide scientific bases for both protection and use of wetland by disclosing the spatial distributing rules and analyzing the impact on environment brought because of exploiting. the study shows that 1 ) in the structure of wetland ecosystem health of panjin city in 2000, better area accounts for 22 %, generic area 52 %, worse area 26 % ; 2 ) in shuangtaizi national wetland nature reserve, the health of many regions is better, the one of partial regions is threaten, the area of wetland is decreasing ; 3 ) in the period from 1986 to 2000, paddy field, shrimp and crab pool were increased, swamp and biodiversity were decreased gradually, and the environment of wetland was polluted gradually
本文以生態系統學、景觀生態學、生態系統健康、區域可持續發展等理論為基礎,根據聯合國經濟合作開發署提出的壓力-狀態-響應( psr )框架模型,以遙感數據及統計監測數據為基礎,採用rs 、 gis 、 gps技術,結合數理統計和數學模型方法,提取土地利用/土地覆蓋信息、濕地類型信息、小流域信息、濕地景觀指數、濕地初級生產力、濕地人口壓力指數、濕地蓄水量、濕地污染物負荷、濕地變化等數據,建立盤錦市濕地生態系統健康數據庫,以小流域為評價單元,對每個小流域濕地進行單因子和綜合評價,揭示盤錦市濕地生態系統健康狀況的空間分佈規律,同時對濕地資源開發造成的環境影響進行剖析,為濕地資源的保護與利用提供科學依據。This paper has set up a platform of multi - parameter nonlinear study and multi - parameter estimate to reservoir by means of the technology of multi - attribute transformation and neutral network combined with multi - attribute analysis of seismic parameters, reservoir inversion and reconstruction of reservoir geophysical characteristics on the foundation of large numbers researches and data - drive law in prediction of reservoir so as to provide more accurate geology conclusion and exploration deployment scheme in practical application. besides, concrete example analysis has been made on this technology aiming at different types of oil - bearing reservoir prediction. summing up the characteristic of this technology, this paper point out its further direction in development
基於上述目標,本文主要做了以下幾方面的工作:詳細分析了石油勘探局中多種儲層預測方法的技術特點及本身在解決實際地質問題上的不足之處;在繼承前人研究和技術的基礎上,以「數據驅動法」為數學物理的理論基礎,通過多屬性變換和神經網路技術,把地震參數的多屬性分析技術、儲層反演技術和近年出現儲層物理特徵重構的技術思想有機地結合在一起,建立起一套儲層多參數非線性預測研究和儲層多參數估算技術平臺;對該項技術針對不同類型含油儲層的預測研究做出了具體的實例分析;總結了該項技術的特點,並指出進一步的發展方向。The research on data processing method of multi - spectral thermometry for the measurement of the true temperature and spectral emissivity of high temperature and ultrahigh temperature targets has been supported by the national natural science foundation of china ( no. 60377037 )
多光譜測溫數據處理方法研究是由國家自然科學基金(編號: 60377037 )資助,應用亮溫逼近法和連續測量法解決高溫及超高溫目標真實溫度及物體的光譜發射率測量問題。So a computer - aided alignment method for a series of reference lens is studied in detail in this paper. based on analyzing the optical quality affecting factors and optical design, the folio wings are described in detail in this paper : ( 1 ) how to choose merit function of optical quality in terms of the specific reference lens, and sensitive structure parameters to optical quality would be determined according to their tolerance data ; ( 2 ) discussing the relationship between the aberrations and the misalignment of reference lens ; ( 3 ) building the mathematical model for the misalignment optical system, and then calculating the misalignment value by the alignment software compiled on zemax and matlab platforms ; ( 4 ) experiments are made to examine the computer - aided alignment method. the theoretical and experimental data and plots are given in the paper
本文在分析標準球面透鏡的設計及其光學質量的影響因素基礎上,開展了以下四個方面的研究: ( 1 )根據系列標準球面透鏡的具體結構特點,選擇透鏡的質量評價指標,研究標準球面透鏡的公差分佈,確定敏感結構參數; ( 2 )研究光學質量評價指標與失調量之間的函數關系; ( 3 )建立數學物理模型,根據球面波的實測結果,求解待調系統的失調方位和量值,研究原理上實現計算機輔助裝調的可能性,在zemax和matlab平臺上編寫輔助裝調軟體; ( 4 )建立實驗裝置,實際研究標準球面透鏡的計算機輔助裝調方法,文中給出相應的理論分析及實驗數據和曲線。At the same time, as more and more radio sources have been set up, electromagnetic pollution in urban area becomes more serious, which is harmful to people ' s healthy and communication system so it is necessary to simulate the electromagnetic propagation in urban area by computer being an approximate hf method in evaluating em scattering , the complex ray method ( crm ) is valuable in actual applications , mainly benefited from its simple physical model , convenient mathematical formulation and computational efficiency, especially with the scenes of scattering from complex objects based on the condition mentioned above, a hybrid ray model of the urban area electromagnetic wave propagation prediction was established with the foundation of ray tracing theory and complex ray theory
復射線技術作為一種求解波場問題的高頻近似方法,由於其具有物理模型簡單、數學處理方便、計算效率高等優點,在復雜的目標散射特性分析等應用領域中有著重要的應用價值。基於以上的情況,本文在射線追蹤理論和復射線理論的基礎上,為城區環境建立了混合射線預測模型。本文採用橢圓模型對已有的射線追蹤方法進行加速,並將復射線理論應用到城區環境電波傳播預測中,提出新的預測方法混合射線方法。Method of mathematical physics
數學物理方法In this paper, a model developed by t. d. dorney and d. duvillaret et al is used to discuss the principle and method for optical constants extracting. the real refractive index and extinction coefficient of materials and the extraction of other material parameters are also discussed
Duvillaret等人提出的模型的基礎上研究了從thz時間波形中提取材料的光學常數(實折射率和消光系數)的原理、方法,並對于如何得到材料的其他物理參數進行了探討。Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows : 1. the optimization model of parameter identification of three - dimensional geologic history numerical simulation, algorithm and its application geologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil - bearing basin. according to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porosity ' s non - linear parabolic partial differential equation has been established
本文應用現代最優化及最優控制理論,對如下一些問題進行了研究: 1 、三維地史數值模擬的參數辨識優化模型、演算法及應用地史模擬是盆地數值模擬的一個基礎性的研究內容,地層孔隙度是含油氣盆地地史演化發育過程中的重要參數,根據地層沉積埋藏機理和石油地質的物理化學原理,通過引入數學物理方程概念,建立了泥巖三維孔隙度場方程,根據問題的特點,給出了方程的定解條件,對方程的動邊界也給出了處理方法,並且證明了解的存在性與惟一性,在此基礎上建立了以當今實測數據為擬合準則的三維地史數值模擬的參數辨識優化模型,這是一個含有二階偏微分方程約束的泛函極值問題。While in traditional elasticity mechanics, we make our best to eliminate the unknown variables and can get the simplest equation in a brief form. at the same time, the rank of equation is increased, so we cannot solve the equation by direct method and have to resort to semi - converse method
而傳統的彈性力學,其求解方法是盡量消元以使未知量減少,方程形式簡單,寧可讓方程階次提高,故數學物理方法中最基本的分離變量法就難以實施,只能採用半逆法。On the basis of the theory and knowledge of many learning branches such as fractal geometric, the percolation mechanics, the reservoir engineering, mathematic and physic method, numeric analysis method, compute graphic procession method, software engineering analysis method and so on, this thesis based on the developed research work, concludes the following a few facets to the unsteady seepage flow mathematical models in the pressure - sensitive deformable double media fractal reservoir. fractal geometric theory and method are good approximations to describe the complicity and we can more easily analyze all kinds of the pressure - sensitive deformable double media fractal complex reservoir relatively than others
本文綜合運用分形幾何理論,滲流力學理論,油藏工程方法,數學物理方法,數值計算,計算機圖形處理技術,軟體工程的分析方法等方面的理論知識和應用技術,在已有研究成果的基礎上,對分形油藏作了以下幾方面的研究:一-一- -絲竺絲型進些絲燮竺鯉絲竺塑望絲些些竺色? ( l )以m厄仃en一root模型為基礎,引入分形參數d了、 0和壓縮系數。Mastering the output format of covariance of neutron cross section in endf / b - 6 evaluated nuclear data library, clearly understanding the meaning of each physical quantity, grasping the mathematical methods pf covariance for experimental nuclear data and evaluated nuclear data, a set of evaluation processing method was deduced from the meaning of cross sections and errors. and then a program was developed for evaluating and processing the covariance matrix of experimental data, which are output in the endf / b - 6 format
在熟悉endf / b - 6評價中子核數據庫協方差文檔的格式要求,確定各個量的物理意義,並掌握實驗和評價數據的協方差數學處理方法的基礎上,由截面數據及截面誤差的物理意義,推出了一套合適的評價處理方法,最後編寫了按endf / b - 6格式輸出的協方差數據評價處理程序,作為中國評價中子核數據庫( cendl )協方差文檔的數據輸出程序。分享友人