隨機量子化 的英文怎麼說
中文拼音 [suíjīliángzihuà]
隨機量子化
英文
stochastic quantization-
With the ever - advancing testing requirement in the checking and controlling field and the development in both the electronical techique area and the computer techquice area, the traditional testing instrument increasing can n ' t meet the demand of the computer time. the traditional instrument is expensive, single - functioned, inadaptable, and low - automationed, and can n ' t conduct comprehensive analysis and evaluation on the system that is examined, which has : a direct effect on the improvement of testing quality as well as the testing standard
隨著測控領域不斷提高的測試要求以及電子技術、計算機技術的迅猛發展,傳統的測控儀器己越來越不能滿足時代的要求(傳統儀器價格昂貴、功能單一、適應面窄、自動化程度低,而且不能對被測系統綜合分析和評估,直接影響著測試水平和質量的提高) ,微機化、自動化、柔性化的虛擬儀器系統是當今測控儀器的發展方向。Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications
本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術,主要研究成果包括以下幾方面:首先,建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型,分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析,數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上,提出了雙星定向精度衰減因子odop的概念,揭示了雙星定向誤差特殊表現的內部機理,對實際工程應用具有重要的指導意義。2801 and lbg was used as polymer matrix because of their different hfp ratio, dbp was used as plasticizer. the films were made by bellcore method. structure, crystallinity, liquid uptake and conductivity of the films with different ratio of pvdf dbp sio2 was determined
本文用hfp含量不同的2801和lbg為基體, dbp為增塑劑,採用bellcore方法制膜,得到了聚合物電解質的結構、結晶度、吸液量和電導率隨sio _ 2 、增塑劑含量、聚合物結晶度的變化規律,並對納米無機粒子改性聚合物電解質的機理進行了一些探討。Therefore the emergence and development of the culture of science and technology can be traced back to the initial conditions of geography and climate, viewed as the factor of internal fluctuation from the sensitiveness of the random choices of the cognitive subject to the initial conditions. since a culture has a pivotal component as its core, once the culture of science and technology comes into being under nonlinear interactions of the social subsystems, the core component functions in the same manner as order parameter in the self - organization system, immensely attracting, regulating and controlling others under the slaving principle. and thus the analysis provides a nonlinear approach to the needham ' s problem
對于任何思想文化傳統而言,其形成和延續都有其現實的物質生活的根源,因而,對于科技文化的產生和發展,我們能夠返回到其發生的原點? ?即地理氣候等初始條件,從認知主體的隨機性選擇對初始狀態的敏感性方面,視其為科技文化產生的內漲落因素,考察其對科技文化形成的影響;而一種文化之所以稱其為文化,必有其全局控制力的核心因素,科技文化是在社會各子系統非線性的相互作用下形成,其核心因素所發揮的作用就如同序參量在自組織系統中的作用那樣,在支配原理的作用下起著規范、引導和支配等效用。A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量,本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現,起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。The main conclusions are as follows : the hco3 - ion content of zhujiang river changes notably in one hydrological year, especially in wet season and dry season. as for the content of inorganic carbon, that of the xijiang river is the highest, then the beijiang river, and then the dongjiang river. the xijiang river ' s inorganic carbon source was major from karst process in the drainage basin
得出如下的結論:珠江水體hco _ 3 ~ -離子含量在一個水文年中發生顯著變化,特別是豐水期與枯水期之間波動幅度較大;無機碳含量西江含量最高,其次是北江,東江最低;西江無機碳主要來源於巖溶作用,由於受河流沖刷效應影響,豐水期hco _ 3 ~ -離子含量升高;東江流域無機碳主要來源於硅酸鹽巖的碳酸鹽風化過程,豐水期hco _ 3 ~ -離子含量無顯著變化;北江無機碳來源於巖溶作用和硅酸鹽巖的碳酸鹽風化過程,受稀釋效應影響,無機碳含量隨水量增加而降低。Reference crop evapotranspiration ( rce ) characterized by its nonlinearity and multi - time scale feature, may vary with the change of time under the influence of stochastic variation of meteorological factors such as temperature, sunlight, wind speed, vapor pressure and so on
摘要受氣溫、日照、風速、水汽壓等因子隨機變化的影響,參考作物騰發量時序過程具有非線性、多時間尺度變化等特性。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。This paper mainly deals with the subjects below : the problem on fem analysis, general reliability analysis and calculation, and optimization based on the general reliability of the random or fuzzy parameters structure ; and also brings forward a method for getting the fuzzy answers from the fem equation by taking the fuzzy multiplier from a fuzzy variable ; in the fem analysis and structural reliability optimization, the randomcity and fuzziness of the structural physical parameters and the load applied on the structures are all considered
文中對隨機和模糊參數結構在不確定性荷載作用下的結構有限元分析、可靠性分析和基於可靠性的優化設計等問題進行了研究。以桿系結構為對象,提出結構分析的模糊因子方法,其中分別或同時考慮了結構材料的物理參數、構件的幾何尺寸和作用荷載幅值等的隨機性和模糊性;對結構響應(位移、應力)為模糊變量時的廣義可靠度進行了推導。A modified genetic algorithm ( mga ) framework was developed and applied to the flowshop sequencing problems with objective of minimizing mean total flowtime. to improve the general genetic algorithm routine, two operations were introduced into the framework. firstly, the worst points were filtered off in each generation and replaced with the best individuals found in previous generations ; secondly, the most promising individual was selectively cultivating if a certain number of recent generations have not been improved yet. under conditions of flowshop machine, the initial population generation and crossover function can also be improved when the mga framework is implemented. computational experiments with random samples show that the mga is superior to general genetic algorithm in performance and comparable to special - purpose heuristic algorithms. the mga framework can also be easily extended to other optimizations even though it will be implemented differently in detail
提出了一個改進遺傳演算法的結構,並且應用於帶有目標是最小平均總流程時間的流水調度排序中.為了改進一般遺傳演算法的程序,兩個新的操作被引進到這個操作中.這兩個操作為: 1 )過濾操作:過濾掉在每一代中的最壞的個體,用前一代中的最好的個體替代它; 2 )培育操作:當在一定代數內演算法不改進時,選擇一個培育操作用於培育最有希望的個體.通過大量的隨機產生的問題的例子的計算機實驗顯示出,提出的演算法的性能明顯好於一般遺傳演算法,並且和此問題的最好的專門意義的啟發式演算法相匹配.新的mga框架很容易擴展到其它最優化當中,只是實施的詳細的步驟有所不同In this paper, the multifactors - electrical, thermal, cool and thermal circulation of accelerating ageing experiment based on the stator bar of 220mw turbine generator has been conducted in the laboratory. the results of the experiment show that there has not fixed rule between maximum pd quantity and insulation, but the increasing of maximum pd grads increase along with ageing time of insulation
本論文通過對220mw的汽輪發電機真機線棒進行電、熱、冷熱循環等多因子老化試驗,發現局部放電的最大放電量與絕緣老化時間之間沒有固定的規律可尋,而最大放電量的梯度隨絕緣老化時間的增大而增大。Microsatellite dna is among the most efficient class of molecular markers due to their hyper - variable and co - dominant nature with relatively high abundance and random distribution in the genome, and have been applied to a variety of fields including population differentiation, kinship analysis, linkage analysis, and evolutional and ecological studies
摘要微衛星dna由於具有高度多態性、共顯性遺傳、基因組中含量豐富且隨機分佈等特點,目前已成為最有效的分子標記之一,並應用於種群分化研究、血緣分析、基因連鎖分析、進化以及生態學研究等許多領域。Abstract : a large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning
文摘:應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量,本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析,得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現,起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成,起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大,這說明可以通過重新結構設計降低起落架噪聲。The effect of polarons on the luminescence properties of quantum dots ( qds ) is an important problem in qd research and applications. we review the recent progress in the concept, possibility and size dependent energy variance of confined polarons in various qds. we suggest that the formation of polarons is related to intrinsic and / or extrinsic phonons and that the idea of confined polarons that we recently proposed can be used to explain the specific spectrscopic characteristics of oxidized nanosilicon systems, even single nanosilicon structures. this model may help to reveal the luminescence mechanism of porous silicon
量子點中的極化子效應是當前量子點研究中的重要問題,其特徵急需了解.文章在綜述了量子點中限域極化子的概念、可能性和能量隨尺寸的變化規律之後,提出了界面限域極化子模型,該模型首次指明本徵聲子和外來聲子都可能對界面限域極化子的形成有貢獻.作者利用此模型分析了多孔硅體系中的光譜特徵,證實了表面覆有氧化層的納米硅的行為十分符合量子限域極化子的特徵.這一極化子模型與單個納米硅結構的發光譜十分一致,此結果對最終揭示多孔硅發光機理有重要意義This paper has studied the mean attenuation, scattering, and back scattering cross sections of groups of small rotating spheroids about characteristics of microwave scattering when their rotatory axes are oriented at random in any direction in 2d plane and 3d space respectively under the condition of normal distribution, and that those physical quantities are changed with different variance, expectation and wave lengths of incident electromagnetic wave
本文研究旋轉軸方向分別在平面內和空間中隨機取向呈正態分佈時的小旋轉橢球粒子群的平均衰減截面、平均散射截面、平均後向散射截面等微波散射特徵,以及這些物理量隨軸向分佈期望、方差及入射電磁波波長的變化。According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination
通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。( 3 ) for classification of states, a scheme has been proposed, in which we can translate any three - particle matrix into the special form p3 by random local unitary transform, and make use of this special state p3 to classify quantum state
( 3 )對于量子態的分類問題曾有人提出通過隨機局域幺正變換把任意三粒子量子態密度矩陣轉化為一種特殊的密度矩陣_ 3的形式,並利用_ 3這一特殊形式對三粒子量子態進行分類。For different material of particle electrode, there are reverse trends of particle electrode potential with the variation of inorganic salt concentration and organic compound concentration
對不同的粒子電極材料,粒子電極電位隨無機鹽含量和有機物含量變化的趨勢不同。They can be used to assess or predict the reliability of corroded and cracked r. c. structures in marine environment. the stochastic model for assessment of chloride concentration in concrete is built by analyzing the stochastic process of chloride diffusion in concrete and taking account of the time variation of the diffusion coefficient
通過分析氯離子在混凝土中擴散的隨機過程,把擴散系數作為隨時間變化的函數,將混凝土表面氯離子濃度、保護層厚度作為隨機變量,建立了預測混凝土保護層中氯離子濃度分佈的隨機模型,推導出了氯離子濃度的均值和方差。And in addition, the paper explores the aspects of internal fluctuation, which is viewed as the random choices of the cognitive subject, how it is depend on the initial conditions and is enlarged by the method of positive feedback with step by step on the views of the nature, material outlook and thought modes. what ' s more, under the controls of the nonlinear interactions, the paper respectively explores the development principle in the culture of technology and science between the west and the east on the aspect of attractors and the order parameters, which result from the cooperation and competition. finally, the paper correctly formulates the different value preference in accord with the attractors and the order parameters, and focuses respectively on the traditions of the eastern pragmatic preference and the western contemplative preference and technological preference
在此基礎上,從東西方科技文化的發生和起源入手,從耗散結構的觀點出發,考察了認知主體的隨機性選擇這種文化的內漲落因素,是怎樣依託于各自不同的初始條件?地理氣候條件,在自然觀、物質觀和思想模式方面一步步得到正反饋式的放大;進而,在文化系統內部種種非線性的相互作用下,從競爭和協同所必然產生的序參量和吸引子兩個方面,分別考察了東西方科技文化不同的發展規律,聚焦東方的實用化取向和西方的思辨化、技術化取向的影響機制,從它們在不同時期所發揮的不同作用正面回答了「李約瑟難題」 。分享友人