散度分析 的英文怎麼說
中文拼音 [sǎndùfēnxī]
散度分析
英文
divergence analysis- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 析 : Ⅰ動詞1. (分開; 散開) divide; separate 2. (分析) analyse; dissect; resolve Ⅱ名詞(姓氏) a surname
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This paper, based on the grain - size analysis and the comparative result of the mz - o scatter gram of ancient aeolian sands in milanggouwan section with the modern dunes in mu us desert, holds that fossil eolian dunes are a proxy of the dune activation, and be regarded as " desert process ", while the overlying fluvio - lacustrine and palaeosols on the dunes are regarded as inter - desert process
文中根據粒度分析及古今砂丘的mz ?散點圖比較結果,認為古代風成砂丘特別是古流動砂丘是砂丘活化的體現,視為「沙漠期」 ,而砂丘上覆的河湖相沉積與古土壤發育則可視為「間沙漠期」 。In order to resolve the strength problem of 74500dwt bulk carrier on launching way, two aspects of problem are investigated in this report : 1 ) the analysis and calculation of the force act on the hull and the launching way when ship launching ; 2 ) the strength analysis and calculation of bottom structure in forward area during ship launching
為了解決74500噸散貨船下水時船體結構的強度問題,本文主要對兩方面的內容進行了研究: 1 )船舶縱向下水時的受力分析和滑道反力計算: 2 )艉浮時艏部區域底部結構強度分析計算。In this thesis the distributed simulation environment is investigated which provides capabilities of component integration, variable complexity analysis and multidisciplinary coupling and it presents an excellent platform and solution accounting for this goal
本文研究了支持部件集成、多精度分析以及不同學科耦合分析的分散式模擬環境,為實現該目標提供了良好的平臺和解決方案。Based on above distributed simulation software of multibody system dynamics, three examples of distributed sensibility analysis, double pendulum system, planar four - bar mechanical system and slider - crank system, are numerically dealt with, the results of which indicates that the methods raised in this paper are correct
基於所完成的系統運動學分散式模擬軟體,實現了雙擺機構、平面四連桿機構、曲柄滑塊機構的分散式靈敏度分析算例,驗證了本文方法的正確性。This paper carries out study on corporate governance based on system theory, advances concept of corporate governance, analyzes and abstracts system core of corporate governance from the point of mechanism by means of study on environment energy - rank principle, running mechanism and model of corporate governance. this paper analyzes mechanism of stimulation and restraint by using game theory, verifies effect of stock right structure on efficiency of corporate governance in view of connection between capital and corporate governance, gives method of resolving optimum stock right limit of collection and deconcentration and adventure share model of blending capital, and discusses problem of entrance of stakeholders to corporate governance etc. at last, according to system theory of corporate governance studied, this paper analyzes governance system of chinese state - owned and its effective factors, and advances complete countermove idea of corporate governance system
本論文以系統理論為基礎對公司治理結構進行了研究,提出了公司治理結構系統的概念,分析提煉出了公司治理結構系統核,並通過對公司治理結構系統環境、系統能級原理和系統運行機制與模式的研究,從機制的角度分析了公司治理結構系統運行模式;運用博弈論對公司治理過程中的激勵約束機制進行了分析;針對資本結構與公司治理結構的關系,運用模型驗證了股權結構對公司治理效率的影響,給出了求解最佳股權集散度的方法和融資風險分擔模型;探討了利益相關者介入公司治理結構的問題等等。In the second chapter, wavelet theory, which is the theoretic basis of embedded zero wavelet coding is introduced briefly, including wavelet transform " s local characteristics, multi - resolution analysis, discrete signal ' s fast decomposition and construction, wavelet and filter group
第二章,對小波零樹編碼演算法的理論基礎? ?小波理論作了簡要的介紹,包括小波變換的時頻局部特性、多解析度分析、離散信號的快速分解與重構以及小波與濾波器組的關系。Analysis of the accuracy of the spatial discretization schemes for surface integrals in finite volume method
有限體積法中面積分離散格式的精度分析The course covers non - sequential ray tracing, sources, detectors, objects, ray splitting, scattering, ghost analysis, stray light analysis, prisms, fresnel lenses, multi - element lenses, gradient index, polarization and thin film modeling
本課程涵蓋了非連續光線的追跡、光源、探測器、物體、分光、散射、鬼像分析、雜散光分析、棱鏡、菲涅耳透鏡、多元件透鏡、梯度折射率、偏振和薄膜的建立。On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula
應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?平均透光強度(對應于dc值)作為原水的特性表徵參數, dc值可以同時反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc值為參數的高分子絮凝劑投藥量公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,平均相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。The human eye is not a perfect optical system, we analyzed the optical factors of affecting the human eye vision quality, such as diffraction on small pupil, the aberration of the eye system, the size of the pupil, illumination arid optical dispertion
摘要人眼作為一種光學器官,存在著一些光學缺陷,從物理學的角度分析了小瞳孔的衍射效應、眼球光學系統的像差、瞳孔尺寸、照明度和光學散射等對人眼視覺質量的影響。This paper briefly introduces the basical principles of finite element method which can be used for analysis of vehicles structure, describes the principles and methods of design optimization for vehicles structure parameters, establishes the finite element models of semi - dragging trucks, which is used to load cement dispersedly and container semi - dragging trucks, applying the ansys software, calculates the static strength, then proves the calculation results to be accurate by means of non - electric charge surveying experiment. at the same time, the author puts forward the model and methods of optimization design for structure parameters of vehicle frames, exploits the applied software of semi - dragging trucks, does optimization design. analyzes the feasibility of the optimization results, then gives the structure improve direction. besides this, the author has had initiative research about interface software, etc
本文簡要介紹了可用於汽車結構分析的有限元法的基本理論,闡述了汽車結構參數優化設計的原理和方法,建立了散裝水泥罐式半掛車和集裝箱式半掛車車架的有限元計算模型,利用有限元軟體? ansys進行了強度分析,並對罐式半掛車通過電測試驗驗證了計算模型和計算結果的正確性;論文還提出了半掛車車架結構參數優化設計的模型和方法,開發出了半掛汽車的結構優化設計軟體,調用了ansys軟體對其進行了優化設計,分析了優化結果的可行性,並給出了該半掛車的結構改進的方向。C - elastic recoil detection analysis ( c - erda ) spectrum shows that the concentration of helium atoms in he - charged al films is about 7 %
經碳原子彈性前沖散射分析( c - erda ) ,薄膜中氦原子濃度可達約7 % ,且分佈均勻。The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed
主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相比,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價值; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均值曲線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。The analytical software can comprehensively detect these ghost images generated by ghost reflections and simulate the energy attenuation process of ghost beam. the position of ghost image can be picked out, the potential hazard of ghost images to key elements can be verified, and the irradiance at ghost image and key elements can be described
編制的專門的雜散光分析軟體能全面捕捉系統中激光束多次殘余反射產生的鬼像,並模擬鬼光束的能量衰減過程,從而找出對光學元件及系統性能存在威脅的鬼像,確定其位置,同時對各光學元件特別是關鍵元件處的能量密度與元件的穩定性進行描述。The feasibility of copper matrix reinforced by cr2o3 particles was discussed from the aspect of the demand of composite on reinforcer, interface and its formation. crcu alloy powders prepared by water atomization were turned into cr2o3 / cu compound powders, which were made into composites
本文從復合材料對顆粒增強相的要求、復合材料的界面以及復合材料的成型等角度分析了cr _ 2o _ 3顆粒作為彌散強化相增強銅基體的可行性,採用水霧化法制備crcu合金粉末,並通過預氧化的方法得到cr _ 2o _ 3 cu復合粉末,運用粉末冶金法制備cr _ 2o _ 3 cu復合材料。The stability of nano - alumina aqueous dispersion is tokened by spectrophotometer and particle size distribution instrument. it is proved that when condition is dispersant pmaa = 0. 4 %, ph = 9, nano - - alumina content = 4 % ( wt % ), ultrasonic for twenty minites, excellent stable nano - alumina aqueous dispersion can be acquired. nano particle average size is 205nm
用分光光度計和粒度分析儀表徵了納米粒子水分散液的穩定性,結果表明納米相al2o3濃度為4 % ,分散劑為陰離子聚電解質,用量0 . 4 % , ph = 9 ,採用超聲波分散20分鐘得到最好的分散效果,納米顆粒的平均粒徑為205nm 。By sufficiently making use of the knowledge of the semiconductor, we have analyzed the transference and scatterance of the carriers as well as their emergence and being captured by disfigurement in crystal lattice from angles of crystal micro mechanism, the structure of the energy band and the crystal potential field
本文充分利用半導體的能帶理論,從薄膜晶體結構、能帶結構和晶體勢場的角度,分析載流子的遷移、散射以及載流子的產生和晶體結構缺陷對載流子的捕獲。From the point of kinematics and dynamics, the author analyses the propagation rules of stress waves in concrete, namely time - space relations, wave amplitude attenuation, dispersion effect and characteristics of transmission of reflected waves and acoustic waves. combining with engineering practices, the author also concluded the main points of low strain detection of integrity of longdiameter underwater cast - in - situ piles, and pointed out that comprehensive and relational utilization of reflected waves method and acoustic wave transmission method can accurately evaluated the integrity of pile shaft and then improve the reliability of detection. 6figs., 3refs
從運動學和動力學角度,分析應力波在混凝土中的傳播規律:時空關系、波幅衰減、頻散作用以及反射波與聲波透射的特點,結合工程實踐,總結大直徑水下灌注樁低應變檢測的工作要點,指出綜合、合理運用反射波法與聲波透射法,可以較準確地評價樁身完整性,提高檢測結果的可靠性.圖6 ,參3( 3 ) on parallel computing of the third generation ocean general circulation model from lasg / iap i ) we present an optimization model by multi - overlapping - boundary for parallel explicit integration with finite difference discretization, and point out that the gap between speed of network and cpu makes it a practical technique. we compare the parallel characteristics of spectral element and finite difference from the point of view of communications, communication - to - computation ratio and scalability
( 3 )關于中科院大氣物理研究所第三代海洋環流模式的高效并行計算? )基於對有限差分離散的分析,提出了一個面向顯式時間積分并行計算的多重疊國防科學技術大學研究生院學位論文邊界優化模型,指出了網路速度與處理器速度間的落差使得採用冗餘計算取代部分通信成為一種具有相對優勢的實用技術。The results show their efficiency and validity. chapter 2 first reviews the basic theory concerned with image wavelet transformation, which includes the wavelet multi - resolution analysis theory, the discrete wavelet transformation and the two dimension discrete wavelet transformation ( mallat algorithm ), and analyzes the space and frequency distributing characteristics of image wavelet coefficients
第二章首先詳細介紹了圖像小波分析的基本理論,其中包括從小波多解析度分析理論開始到離散小波變換再到圖像的二維離散小波變換即malat演算法,並著重分析了圖像小波變換系數的空間和頻率分佈特點。分享友人