穩態分佈 的英文怎麼說
中文拼音 [wěntàifēnbù]
穩態分佈
英文
steady distribution-
In the course, the condition and the process of forming and changing of minerals, the typomorphic features of minerals, the characteristics of the distribution and the evolution of minerals and their paragenetic associations in the period and the space, the methods of mineral analyses and research, the geological thermometers and the geologicial barometers of minerals, mineral paragenetic associations and paragenesis analyses will be introduced, and the magnificent and the microscopic genetic characteristics of pyrite, quartz, garnet, pyroxene, amphibole, mica, feldspar, and other minerals will be dealt with particularly
本課程主要講述礦物及其共生組合的形成和變化的條件和過程,不同物理化學條件下礦物的成分、結構、形態、物性等標型特徵以及它們之間的內在聯系,礦物及其共生組合在時間上和空間上的分佈和演化規律,礦物成分、結構、形貌、物性等的分析測試方法,礦物地質溫度計和地質壓力計對其形成環境的表徵,不同體系(封閉體系、開放體系)條件下,礦物的穩定范圍和彼此替代順序的共生分析,重點介紹黃鐵礦、石英、石榴石、輝石、角閃石、雲母、長石等礦物(族)在成因上的宏觀標志和微觀信息,以及其成因信息在成巖作用和成礦作用中的地質意義。Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future
本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。Thirdly, a unified colored - noise approximation is applied to calculate the steady state distributions of the dispersive optical bistability when the fluctuations in the amplitude and phase of the incident field are considered as colored noise
色散光學雙穩系統是本文研究的第三種光學模型。當入射光中的強度漲落和位相漲落分別看作色噪聲時,我們用統一色噪聲近似得到它們的定態強度分佈。In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study
在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務,但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統,通過構造各種向量馬氏過程和吸收向量馬氏過程,獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標,在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題,並利用mathematic軟體對費用函數進行了數值模擬。Then after analyzing the heat conduction in laser diode array, we simply simulate the transient thermal behavior of high power laser diode array and build a two dimensional static model of temperature distribution of it by fem ( finite element method )
接著分析激光器陣列中熱的傳導,簡單的模擬工作工程中瞬態溫度的變化。然後通過有限元分析法,建立二維溫態分佈,得到穩態工作時,大功率激光器陣列中晶元和載體的溫度的空間分佈。Because of the joint - influence of the physiognomy and land use, the result showed that the infiltration properties of soil had significant variability in the catchment scale, and conformed to normal distribution
受土地利用和地貌的綜合影響,土壤初始入滲率、穩定入滲率和前30min累積入滲量在流域尺度內呈中等變異性,均服從于正態分佈。If an electron with k state is initially in one miniband, elastic scattering will make the difference of the probability band occupation tend to zero. if electrons initially are located at a single wannier state, elastic scattering will make the difference of the probability band occupation tend to a constant which does not equal zero. the stable distribution in k space is just the same as the average distribution when no scattering
發現彈性散射會破壞電子間的關聯,使得初始處在某一微帶上的態電子在兩微帶上的佔有幾率趨於一致;初始電子處在實空間的單個瓦尼爾態上時,最後在彈性散射的影響下兩帶佔有幾率差不為零,並且在上的穩定分佈和沒有散射時的平均分佈相同。Because empirical distributions of rates of return on risky securities have characters of skewness and excess kurtosis, this article puts forward studying portfolio selection model conditional on non - normal stable distributions
摘要針對風險證券收益率的經驗分佈所具有的偏態和過度峰態等非正態分佈特徵,提出在非正態穩定分佈條件下研究投資組合模型。As for material capital investment of farmer household, it ' s dynamics was declining, it ' s rate was stable and it ' s distribution was unequal. as for human capital investment of farmer household, normal education is the main method, the educational degree of household labors appeared partial distribution to normal distribution. compared with normal education, dynamics of investment in technique training and health was low, also the scale of labors mobility was narrow
就農戶物質資本投資而言,投資力度有下降趨勢,但投資比重較為平穩,存量呈偏正態狀分佈;就農戶人力資本投資而言,以正規教育投資為主,家庭勞動者文化程度表現為由偏正態分佈向正態分佈轉移的趨勢,相對正規教育,農戶的職業技術培訓與健康投資力度較弱,勞動力流動半徑較小。The state, distribution and value of the earth pressure acted on the retaining structures, which are the key factors that affect the deformation and stability of the deep foundation pit, are determined with the actual displacement caused by the interactions and mutual deformations of the retaining structures, ring beams, middle beams and the foundation soil without any hypotheses
根據基坑開挖過程中支護結構、圈樑、腰梁和地基相互作用及共同變形所產生的實際位移方向及其大小來確定影響基坑變形和穩定的關鍵因素? ?作用在支護結構兩側土壓力的狀態、分佈形式和數值大小,而不對其作任何預先假定。The non - renewable resources is introduced into the production function, this paper formulated the optimum decision - making model of social planer, used the stochastic analysis method, analyzed optimum decision - making which the social planer about the expense and the non - renewable resources utilize under the indefinite condition, and obtained the optimum storage quantity of capital demonstration way and the density of stability distribution, and give the policy meaning of the model
摘要將不可再生資源引入生產函數構建了一個社會計劃者的最優決策模型,運用隨機分析方法,分析了不確定條件下社會計劃者關于消費和不可再生資源利用的最優決策,得到了最優資本存量的顯示路徑及穩態分佈密度,並給出了模型的政策含義。The soil as of the study area was positive skew distribution, tally with second steps stable supposed, after gaussian non - liner change
結果表明,研究區土壤砷為正偏態分佈,經高斯非線性轉化后,符合二階平穩假設。The third chapter " essay of emh on chinese stock market " tested the hypotheses for the emh on chinese stock market, presented that stock price and return rate variance and voiatiiity are not stable. the chapter provided some evidence for the non - - normai
第二章分析了有效市場理論產生的背景,就有效市場理論成立的基本假設進行了檢驗,提出股票價格收益是不穩定的隨機序列,收益分佈不是正態分佈,股票價格收益表現出非性,序列自相關性,異方差性。Assume combustion pressure as pulse force, the kurtosisness of torsional vibration of diesel is steady when engine is " healthy "
在正常發火情況下,扭振信號的峭度不一定按照正態分佈,但是對特定的柴油機裝置是穩定的。It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan
首先,藉助hilbert空間理論,提出了距離估計的d -解,給出了d -解的必要條件,這個條件在線性函數類里即是極小二乘估計法, d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而,詳細地研究了多元弱平穩序列自回歸模型ar ( p )的參數經典的矩的替代估計和極大似然估計,獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。We find that fitness of returns on stocks to non - normal stable distributions in china stock market is very good by fitness test ; study measurements of return and risk of a portfolio conditional on non - normal stable distributions and put forward mean - scale parameter model ; find that mean - scale parameter model can explain asset allocation puzzle by empirical analysis
通過擬合優度檢驗發現我國的股票收益率與非正態穩定分佈的擬合效果非常好;研究了非正態穩定分佈條件下投資組合收益和風險的度量,建立了均值尺度參數投資組合模型;通過實證分析發現均值尺度參數模型能夠解釋資產配置之謎。Secondly, combining the unified colored noise approximation and the functional analysis, the steady state distribution function is derived when both multiplicative colored noise and additive white noise are included in a bistable system with colored coupling between two kinds of noise. through the two - state theory, the expression of signal - to - noise ratio ( snr ) is obtained. the phenomenon of stochastic resonance is investigated
其次,我們綜合運用統一色噪聲近似和泛函近似的方法,推導了含有乘性色噪聲和加性白噪聲,並且兩種噪聲之間的耦合為色噪聲的雙穩非線性系統的定態分佈摘要不同類型的色噪聲對非線性光學系統的影響函數,然後通過雙態理論求出系統信噪比的解析表達式,對系統的隨機共振現象進行分析。The normal, srudent ' s t and stable paretian distributions with their characteristics are firstly introduced. research indicates that student ' s t and stable paretain distributions have the characteristics of leptokurtosis
本文首先介紹了正態分佈、 t分佈、穩定分佈及其性質,研究表明t分佈和穩定分佈有高峰厚尾特徵。It is found from the comparison that the arch type models with stable paretian innovation is more capable to capture characteristics of financial time series than arch type models with normal and student ' s t innovations
通過模型的比較分析,得到基於穩定分佈的arch類模型比基於正態分佈、 t分佈的arch類模型能更好地刻劃金融時間序列的特徵。分享友人