解析流形 的英文怎麼說
中文拼音 [jiěxīliúxíng]
解析流形
英文
analytic manifold-
Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。In this paper, a workflow model simulation environment based on object petri net is constructed. under this environment, a workflow model can be parsed and transformed to an opn - based simulation model, then the simulation parameters should be set and the simulation model can be put to use
本文構建了一個基於面向對象petri網的工作流模型模擬環境，將建模工具生成的工作流模型解析出來后，再轉換成面向對象petri網形式的模擬模型，然後設置模擬參數，將該模型投入模擬運行。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。Although many achievements have been acquired in oled structure material, production technology, drive methods, oled technology is just at the beginning, oled has given an equal chance for every company and country, and it is very important for our country to develop displaying technology of our own. the research direction of oled is managing to improve the device lifetime, at the same time found a perfect production technological flow and the global standard production mode. it is still a arduous mission that we want to live up to a batch production of oled displays in the future some years. active matrix organic light emitting diode ( am - oled ) adopts a circuit structure based on matrix addressing, and its driving circuit includes pixel driving circuit and peripheral driving circuit
在文中，首先，分析和研究了有源oled的像素驅動電路，闡述了amoled顯示屏及其周邊驅動電路的結構和原理;其次，提出了qvga解析度的有源oled顯示屏列電極數據引線的分塊（ block ）方法，確定屏上驅動電路所需要的控制信號之間時序關系和幅值要求;最後，以fpga控制器的設計為核心，對外圍控制ic進行了具體設計，建立控制器電路模塊模型和演算法流程，通過quartus軟體對其內部的各個電路模塊進行綜合設計和模擬，得到了正確的模擬波形，完成了解析度為qvga （ 320 3 240 ）的amoled專用驅動電路的設計。In this paper we study the single - species chemostat model with time dilay. based on [ 8 ], we analyze the hopf bifurcation of the system which take the diluton as a parameter, and we obtain that under the conditon of the existence of positive equilibrium and if the dilution is too big or too small, the system will appear hopf bifurcation
在文[ 8 ]的基礎上，以模型中的流量為參數進行了hopf分支分析。得出了在正平衡點存在的條件下，當流量較大或較小時，系統的正平衡點附近會產生hopf分支，並應用中心流形和規范形理論給出了分支方向及分支周期解穩定性的計算公式。The computer speed is speeded up. the numerical results of the present models are in agreement with the theoretical solution and those of physical models. systematical numerical tests show that the present models can reasonably simulate the wave transformation, such as shoaling, refraction, diffraction, reflection, effect of currents and so on
比較詳細的模型驗證與應用表明，模型的數值模擬結果與解析解、物模實驗值吻合良好；可以較好地模擬波浪傳播過程中的淺水變形、折射、繞射和反射等多種現象；能正確合理地反映水流對波浪傳播的影響。We first set up the hiberarchy of the nmm ’ s visualization and focus on the study of pem ’ s visual process. then the coupling equation of pem is deduced and a rapid algorithm for solutions of bordered tridiagonal linear equations is put forward. in the last of the thesis, elementary system of deformation geometry unified for manifold ’ s structure is studied primarily via the idea of unified modeling and some theoretic results for analytical visualization are given out under the system of frenet frame of arbitrary parameters
文章結合nmm的基本原理和特點，研究了nmm可視化的有關理論和方法;文章首先建立了nmm可視化的層次結構，重點對面素單元法（ pem ）的可視化過程進行了細致研究，推導出了pem的耦合方程，然後給出加邊三對角方程組的一種快速求解演算法，最後還從統一建模的思想對統一于流形結構變形幾何的基本體系進行了初步研究，得到了任意參數形式下frenet標架體系的若干適用於解析可視化的理論結果。Analyze the rectangular microstrip patch array using green functions method, resolve the integral equation by the method of moment, propose a method for resolving the mom impedance matrix, which is a combine of analytical method and numerical method
用矩量法計算了同軸饋電的矩形微帶貼片陣列的電流分佈，在求解廣義阻抗矩陣時，給出了一種解析方法與數值方法相結合的方法。Through the relations of throttle pressure with the flux and slice deformation, the analytic design formulas of valves parameters of hydro - pneumatic spring is established
摘要利用開閥壓力與閥片變形以及流量之間關系，建立油氣彈簧閥系參數解析設計公式，利用該公式可對閥系參數進行解析設計。Although the knowledge of wind effects on tall buildings has significantly improved over the last decades, an understanding of the mechanism that the atmospheric flow field to various wind include effects on structures has not been developed sufficiently for formulation of functional expressions. not only is the wind approaching a building complex, but the flow pattern generated around a building is complicated by the distortion of the mean flow field, the flow separation, the vortex formation, and the wake development
在過去的幾十年裡，雖然人們對高層建築風效應的了解已有顯著提高，但對大氣流場與結構物各種風致響應的關系還不能用解析表達式加以描述。由於平均流場的奇變、流動分離、旋渦形成以及紊流的發展，不僅使得流向建築物的風，而且使得繞建築物的流譜變得十分復雜。The system can generate three - phase spwm pulses and has following characters : the range of modulation frequency is from 0 khz to 4 khz. and can be divided to 7 classes to control. the carrier frequency may be selected up to 24 khz, and can be divided to 8 classes to control ; rotational frequency is defined to 16 bits
該系統能產生三相六路正弦脈寬調制（ spwm ）波形;調制頻率范圍為0 4khz ，分7級控制; 16位的速度控制解析度;載波頻率分8級控制，最高可達24khz ;系統介面兼容intel系列和motorola系列單片機;該系統控制簡單、精確，易修改，可現場編程;同時具有脈沖延時小、最小脈沖刪除、過壓和過流保護功能等特點，可應用於pwm變頻調速系統的全數字化控制。To best achieve the working performance of the said concrete, with the help of theology theory in the research, we have analyzed the principle of free - vibration densifying and shaping of mixed concrete, that is, with the perquisite of fluidity, the concrete should have good property of filling - up - space, penetration through voids of fixed steel reinforcement, adherence and prevention from losing water and segregation, and the conflict between anti - segregation and deforming capability should be sorted out
為得到自密實高性能混凝土的最佳工作性能，在研究中藉助流變學理論，分析研究了混凝土拌合物免振搗成型和密實的機理，在大流動性的前提下，要求混凝土具有良好的填充性、鋼筋間隙通過性和粘聚性，防止泌水、離析，解決變形能力與抗離析性能力的矛盾。Complex analytic submanifold
復解析子流形The lexer is the part of our language knowledge that says " this is a sentence ; this is punctuation ; twenty - three is a single word. " the parser is the language knowledge that says " this sentence contains a verb, a subject, a few adjectives, and some pronouns. " when parsing is done, the meaningless to a computer stream of data becomes something a computer can understand
詞法分析器是我們的語言知識中識別「這是一個句子；這是標點； twenty - three是一個單一的詞」的那一部分。解析器則是識別「這個句子包含一個動詞、一個主語、一些形容詞和一些代名詞」的那一部分。在完成解析之後，沒有意義的（對計算機來說）數據流就成為了計算機可以理解的內容。The resolution of optical system can not reach its diffraction limit because of the phase aberrations caused by atmospheric turbulence and other wavefront errors. adaptive optics technology uses deformable mirrors to perform dynamic phase modulation and endow optical system the ability to decrease the influence of dynamic wavefront errors
大氣湍流等動態干擾使光波面相位發生畸變，使光學系統的解析度無法達到其衍射極限，而自適應光學系統使用變形鏡對光波面進行動態相位調制，賦予了光學系統能動可變的能力而有效地解決了動態干擾的問題。The terrain effect force wind ' s speed reducing and wind ' s direction turning to left with contrasting the experiments of numerical simulation the text analyses the structure and microcosmic character of sea wind in zhoushan maritime space and consanguineous connection between sea wind and action of dynamical and thermodynamic. the task gets the result of case a by using t213 datum of weather center and contrasts it with the actual sea wind. the task establish a foundation in order to use this mode in the environmental forecasting
通過數值模擬對比試驗，分析了舟山海域海面風的結構和微觀特徵，以及海面風與動力作用（復雜地形）和熱力作用（海陸熱力差異）之間的密切關系。進一步利用國家氣象中心提供的t213高解析度預報場檢驗海面風風場的數值預報效果，最後將其結果與實際觀測作比較，為將該模式投入環境（海流，海浪，風暴潮等）動力預報奠定基礎。Each channel has independent synchronization and two powerful digital signal processing chips. one chip performs all the synchronization and sampling computations, while the other does the fast fourier transform of current and voltage signals sampled with 18 bit resolution. both current and voltage have separate but fully synchronized a d waveform capture sections
就信號分析能力而言， 2503ah系列的最大特點是速度和精度，各通道均獨立同步及擁有兩片數字信號處理器晶元，當一晶元執行全部同步與取樣運算時，另一晶元則為已取樣的電流與電壓信號以真實18位解析度進行速傳立葉變換，電流與電壓具分離但完全同步的a d波形捕捉部份Based on tmrm, critical technologies for real - time rendering of large scale terrain which includes tmrm generating technology, real - time rendering technology through streaming, terrain texture management and mapping technology are studied systematically in this thesis and some new results were obtained. there are many algorithms for generating tmrm models
多解析度模型是目前地形實時顯示的主要技術，本文以多解析度模型為基礎，對實現大規模地形實時繪制的關鍵技術，包括地形多解析度模型生成技術、大規模地形的流式處理技術及地形的紋理組織和映射技術等進行了系統的探討和研究。Finally, the wave equation of the electromagnetic field of this kind damper is derived from the maxwell ' s equation. the magnetic flux density at the boundary is assumed to be harmonic, so the analytical result of the wave equation is solved. when the rotor rotates, eddy currents flowing inside the conducting material field are caused
最後，應用ahrens的電磁軸承簡化模型，從maxwell方程出發推導了應用於本文所述的被動式電磁阻尼器的波動方程，並用傅立葉級數把矩形磁場展開的諧變磁場作為磁場的邊界條件，通過求解波動方程得到磁場的解析解，從而計算了阻尼器對轉子的電磁力和由渦流引起的切向力產生的阻尼器附加功耗。The main purpose of this study is to analyze the timber forest property right system and property right system arrangement, clarify the basic structure and operation principles, and describe the mechanism of creation and change of the property organization, propose property right arrangement of different forms through the description of definition of timber forest property right and property transaction type to build the link between the forest operators and the timber - consuming enterprises and provide the theoretical support for the ultimate building of the modern forest property right system of “ unambiguous property right and operation main body, clear responsibility, strict protection of interests, smooth and standardized transaction and effective regulation and service “
本文研究的主要目的是從理論上解析農區用材林產權制度與產權制度安排，廓清林權市場的基本構造和運作原理，闡述產權組織產生與演化機理，通過用材林產權界定和產權交易類型的描述，給出不同形式的產權組織安排，以期建立營林者與用材企業的有機聯系機制，為最終建立「產權歸屬清晰、經營主體到位、責權劃分明確、利益保障嚴格、流轉規范順暢、監管服務有效」的現代林業產權制度提供理論上的借鑒。分享友人