攝動分析 的英文怎麼說
中文拼音 [shèdòngfēnxī]
攝動分析
英文
perturbation analysis-
This paper studies the perturbation action of celestial bodies ' movement on the earth from the view of celestial mechanics, and furthermore analyzes the effect of celestial bodies ' movement on the natural slope stability due to phosphorus ore mining in mountainous areas
摘要針對宜昌磷礦高陡山區地下開采對上部山體穩定性影響,從天體力學的角度探討天體運動對地球的攝動作用,並分析月球運動的引力對山區磷礦自然坡失穩的影響。Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二,討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。The kinematic characteristics of the rearward separate - planting mechanism were theoretically analyzed and its kinetic process was simulated by monitoring the six selected points on the motion trajactory of the tip of seedling
通過秧針端點運動軌跡上的6個特定點,對后插式分插機構的運動學特性作了理論分析和計算機模擬,並利用高速攝像對機構運動學分析進行了試驗驗證。In these years, image measuring has been used in every walk of life gradually. this paper discusses the characteristic, the virtue and the application of digital image measuring. in this paper. after analyzing the practical situation and theory, it has confirmed the project that identify automatically the pointer and the reticle of the pressure gauge with technique of optic photographic system, image process and automatic identification
近年來,圖像測量逐漸應用到各行各業。本文討論了數字圖像測量的特點、優點及應用范圍,結合實際情況和理論分析,確定了利用光學攝像系統和圖像處理、識別技術,自動識別壓力表的指針和刻線的方案,解決了壓力表示值的自動檢定問題,研製了一套集計算機、圖像處理和識別、自動控制和光學等技術於一體的壓力表示值的自動檢定系統。The analysis of starlight with the spectrograph has provided information on the distances, temperatures, sizes, and notions of the stars.
用攝譜儀分析恆星的光譜,可提供恆星的距離、溫度、大小以及運動等方面的材料。On the secular terms in random perturbation analysis
非平穩隨機攝動分析中的久期項效應Based on the perturbation riccati transfer matrix method, the calculating program are developed. the program can be used to the perturbation analysis and the sensitivity analysis of the real and complex, the single and repeated eigenvalues and eigenvectors for lateral vibration of rod and beam structures, especially suitable to the perturbation analysis and the sensitivity analysis of eigenvalues and eigenvectors for rotordynamic systems ; 2. the perturbation riccati transfer matrix method was applied to identify the parameters of the rotor for a boiler supply pump, and the accurate dynamic model of the rotor was archived
該程序可以對桿、梁結構橫向彎曲振動的實數、復數的孤立和重頻特徵值問題進行攝動分析和靈敏度分析,特別是適合於轉子動力學系統特徵值和特徵向量問題的攝動分析和靈敏度分析; 2 、用攝動riccati傳遞矩陣方法解決了某電站鍋爐給水泵轉子的參數識別及動力模型修改的問題,並給出了該種型號的給水泵轉子的更準確的力學模型,為進一步的轉子動力學分析與設計奠定了可靠基礎; 3 、給出了攝動理論在相關領域如隨機特徵值分析、隨機振動響應分析、可靠性分析、靈敏度分析、優化設計以及參數識別中的應用公式。Based on mass - spring model, a method of automatic mode - selecting method is presented to solve the difficulties of selecting corresponding modes close to the excitation frequency, in adaptive perturbation for mistuned bladed disks
摘要針對自適應攝動法在失諧葉盤受迫振動分析中,選擇接近激振力頻率的相應模態數目難于控制的問題,基於質量彈簧模型,提出一種自動選擇模態的方法。Perturbation analysis of boundary layer on liquid phase fluid centrifugal pump
液相流離心泵邊界層的攝動分析Furthermore, a scheme is developed by which a few single - parameter based random perturbation analyses are combined to produce the results for a multi - parameter random purturbation analysis
建立了由單參數變異性攝動分析組合出多參數變異性分析結果的演算法。Then, we use both the method of multiple scales and the galerkin approach to give the perturbation analysis of the governing partial differential equation
綜合運用多尺度方法和galerkin離散法對橫向振動的非線性偏微分方程進行離散和攝動分析,得到了三種共振情況下的平均方程。The equation of motion for the planar cantilever is obtained by using the theory of elastic mechanics. then, the governing partial differential equation is analyzed by two processes
對于平面運動懸臂梁,首先利用彈性力學方法得到運動微分方程,然後利用二種方式對這個非線性偏微分方程進行離散和攝動分析。Within the framework of two - phase flow theory, an analysis is carried out based on the momentum and continuity equations of fluid mechanics. corresponding to the physical process of the interaction of the solid and fluid phase, a perturbation analysis is systematically developed
還引用了兩相流理論中從低濃度兩相流中固相和液相的相互作用著眼,引入攝動分析的理論,並通過動量方程直接得出了懸移質泥沙濃度分佈規律的方法。Based on no - preemptive priority queuing network model, new infinitesimal perturbation analysis schemes were presented to estimate the dynamic time performance of dms based on common ojbect request broker architecture ( corba ) and dimensional measurement interface standard ( dmis )
針對基於公共對象請求代理結構和尺寸測量介面規范的分散式測量系統,根據多用戶非搶占優先排隊網路靜態性能模型,提出基於無窮小攝動分析的分散式測量系統動態性能評價演算法。Fourthly, this article finds the solution to the main equation set about labyrinth seals model of two - control - volume, concludes the pressure distribution in labyrinth seals, and further obtains the answer of the calculation formula on the four dynamic characteristics about labyrinth seals
4 、對迷宮密封兩控制容積模型主導方程組運用攝動分析方法進行了求解,得到了迷宮密封腔中的壓力分佈,並進一步求解得到迷宮密封的四個動力特性系數的計算公式。By comparing with stochastic structural analysis, relations between the two methods have been found. the response surface method is used to obtain the second order estimates of the calculated results bound. by means of viscoelastic stochastic finite element method, the instantaneous reliability, the first passage reliability and fuzzy reliability of srm grain are investigated
採用凸集合模型表示藥柱參數的不確定性,在粘彈性有限元攝動分析基礎上進行了結構的響應區間計算,討論了概率方法和集合理論模型得到的響應區間之間的關系,利用響應曲面法進行了區間的二次估計。The equations of motion for the nonlinear nonplanar flexible cantilever are derived by using the generalized hamilton ' s principle. then, the galerkin procedure and the method of multiple scales are used to give the perturbation analysis of the system and the average equations. the three resonant cases are considered in this dissertation
對于非線性非平面運動懸臂梁,利用廣義hamilton原理詳細推導了運動微分方程,綜合運用galerkin離散方法和多尺度法對非線性非平面運動懸臂梁的動力學方程進行攝動分析,得到了三種共振情況下的平均方程。As a packing material, glass has many advantages that cannot be substituted, such as having plenty of raw material, being produced easily, low price, stable chemical quality, not reacting with its content and so on. so it is widely used in the packing of food, beverage and chemical things. but the producing way of glassware in our country hampers the development of glass industry
本論文以攝影測量學及直接線性變換演算法( dlt演算法)為理論基礎構建了多維攝像運動分析系統,並根據人體上肢的剛體矢量運動模型提出了一種基於多維攝像運動分析系統的關節轉角求解方法,結合實際給出了一套用於測量人體上肢運動參數的規定動作,以便以後進行這方面的研究。First, bulk and relative perturbation of j2 term are solved and analyzed based on the cw equations
首先,在cw方程的基礎上,分別求解了地球扁率的整體攝動和相對攝動,分析了攝動規律。The thesis is divided into 5 sections : ( 1 ) incorporate three methods using the vc + + language and get a 3d human motion analysis system. the three methods are : correlation tracking, camera calibration and 3d motion measurement
本文主要工作如下: ( 1 )相關跟蹤法、雙攝像機標定和三維測量三種方法進行合併和改進,進行軟體編制,得到一個可以進行人體運動分析的系統。分享友人