擬一致分佈 的英文怎麼說
中文拼音 [nǐyīzhìfēnbù]
擬一致分佈
英文
quasiuniform distribution-
In chapter five, the research work focus on color gamut transform correction in panel display. a method of color gamut transform correction which introduces the concept of virtual gamut space is presented to solve the problem of luminance and chromic disuniformity which arises from the differentia of chromic and drive characteristics of each module or pix on the same display panel. and the high quality of image displayed on the panel is ensured
提出了克服同一種平板顯示屏由於各個顯示模塊(顯示象素)的色度空間特性和中國科學院長春光學精密機械與物理研究所博十學位論文基十擬合逼近理論的平板圖像顯示技術研究基色驅動顯示特性的差異而造成的平板顯示屏色度和亮度分佈不均的有效方法,解決了平板顯示屏的全屏幕亮度、色度一致化的問題,保證了高質量視頻圖像的顯示。On the basis of this, we selected rms as feedback variable and constructed the controller g : add this controller to the right of ion radial self - edlctric force equation like equation ( 1 ). we simulated the motion of ion beam by using muti - paticle code ( partice - in - cell ( pic ) code ). the results demonstrated that the beam halo of five different initial distribution is eliminated well under the same controller. the halo intensity of k - v distribution, water - bag distribution and parabolic distribution and be reduced to zero. in the case of 3 - sigma distribution and full gauss distribution, the result is agree with minimum limitation ( 10 " ) of halo intensity of factual high intensity accelerator
在此基礎上,選擇a為控制變量,構造延遲反饋控制器g : g ( s glrrms ( s )一rms ( s ) ( 2 )同( l )式一致,將此控制器函數加在粒子徑向所受束自生場力方程的右邊。利用多粒子數值模擬程序( pic )進行了控制試驗。模擬結果表明,用同一個控制器和同一個控制參數即可實現五種不同初始分佈情況下的束運一混飩的有效控制。When studying the network performance, flow control and resource provisioning of communication networks, traffic model plays a very important role. the recent studies show that the date network traffic is self - similar, so the markovian model, which describes telephone networks accurately, is not suitable for date networks. the self - similarity of the network traffic has severe impact on flow control and queuing analysis in date networks, therefore it has received significant attention. in this paper, g m 1 queuing model is used to analyze the queuing performance of generic variable length packet networks for the first time. the self - similar traffic is generated by multiplexing a large set of independent pareto heavy - tailed interarrival on off sources. the simulation results show that the heavy - tailed traffic results in queuing performance deterioration for variable length packet networks, which is in accordance with the analytical results for atm switches
業務量的自相似特徵顯著影響網路的流量控制與排隊分析,已經引起人們的極大重視。採用g m 1排隊模型對分組長度可變的網路的排隊性能進行了分析和模擬,其中自相似業務量是通過疊加大量獨立的到達間隔為pareto重尾分佈的on off源來生成的。模擬結果表明,自相似業務量導致網路的排隊性能劣化,這與有關文獻對atm交換的分析結果一致。The analysis of these two sequences and reported sequences ( three families, 15 sequences in total ) by nj method and the simplest principle shows, the evolutionary trees established by these two methods are consistent and the sequences of the same family constitute one group. the sequences of thaliana and the sequences of brassicaceae each makes up a sub - group in it. the sequences of violaceus distribute in brassicaceae sub - group and this phenomena shows that the relationship is very near
我們對這些序列與已發表的相應序列(合計3個科, 15個序列)用nj法和最簡約性分析,結果表明:由兩種方法構建的進化樹是一致的,同一科的序列形成一組:在十字花科組的分之圖中,來自於擬南芥屬的序列與來自於蕓墓屬的序列又各自形成亞組;來自於諸葛菜屬的序列分佈在蕓墓屬的分之圖中,揭示出諸葛菜屬與蕓矍屬有著極其近的親源關系。The fft transformation is used to transform near - fields to far - fields. an open guide axis near - field distribution is measured by this system and simulationed by hfss, two results maintain the good consistency
光調制散射器測量近場測量方法測量得到的開口波導軸線的近場分佈結果與hfss模擬結果保持了良好的一致。The parameters in simulation could characterize macromolecules adsorption in real solution. varieties of interaction energy between segments corresponded to different macromolecules. varieties of adsorption energy of interface corresponded to different solid surfaces
改變模擬參數大小對高分子鏈節分佈的影響,與真實體系中鏈節、溶劑和界面等因素對高分子吸附的影響是一致的。( 3 ) using the csim4, the arctic sea ice equilibrium state was simulated reasonably. the simulated ice thickness distribution pattern very like that detected by submarine investigations. the simulated ice concentration and motion are similar to the observation
模擬的海冰厚度分佈與潛艇探測的海冰厚度分佈具有一致性;模擬的海冰密集度、海冰流速與觀測相近,模擬的海冰氣候態是合理的。The thermodynamic and mechanical properties are calculated, it shows the melting point reduce in nizr alloy nano material. further we study the microstructure of them by the reverse monte carlo simulation, obtain the a series of information about bond angle - coordinate and so on
Dft結合實驗數據導出的嵌入原子勢用於納米nizr合金熱力學性質的分子動力學模擬,模擬結果證實了納米合金材料由於界面結構原子分佈比較混亂,與常規合金相比體系嫡較大,熔點降低,得到與實驗一致的結果。At the same time, the mathematical models of the electric field and the flow field distribution were established from the theory of electrostatic enhancement of heat transfer. employed finite differential method and over - relaxation iteration method, according to certain boundary conditions in the wire - plate electrode space, the electric field and the flow field in the wire - plate space were numerically simulated under different initial velocities of r11 stream and different magnitudes of applied voltage. the calculation results agreed with theoretical analysis satisfactorily
同時從靜電強化換熱理論出發,建立了表徵線板電極間的電場和流場分佈的數學模型,並根據線-板電極間的邊界條件,利用有限差分法和超鬆弛迭代法,分別就不同氣流初速度和不同外施電壓的情況下,對線-板空間的電場和流場進行了數值模擬,計算結果與理論分析基本一致。Secondllv in the 1 d random traffic flow model. the relation function between the correlation and the creation. disappearance. brake probabilities of the vehicles is presented. according to the statistical mechanical approach to the spatial correlation functions. the theoretical results agree with that of the computer simulation. thirdh. based on the bml model. a main - road traffic flow model with two speeds on two dimensions is designed. this model simulate the traffic situation of one main road and several branches in the cit traffic lights placed on the crossing. vehicles breaking ~ vhile running and turning to other direction while jamming. we investigate the ~ ' e1ocitv and flo ~ ~ of the model when the initial densitvthe brake and turning probabilities. the green to signal rati3. thc number of the branches and the period of the signal are changed. then the reasons causing all the kinds of phenomena are analvzed. finallv. we simulate the bml model using the method of lattice boltzmann which ~ vas brought out by liu mu - renand obtain the velocity - density graph similar to the previous result. the upper critical densiw above which there are oniv jamming configurations. and the lo ~ ver critical density below which there are only moving configurations are the same as before. the boltzmann function which is on the lattices shows the moving and jaxmning transition obviouslv. thus it proves the possibilit of this method on the traffic research
接著,建立了和研究了二維二速的主幹道模型,該模型模擬了城市交通中一條主幹道,多條支道的交通情況,在幹道與支道的交叉路口設置紅綠燈,車輛在運行中可以有對突發事件發生反應的剎車,在發生堵塞時,路口的車輛可考慮通過轉向來緩解交通等各種實際情況的發生,給出了車輛演化的演化方程,並通過計算機模擬,研究模型在改變車輛的初始密度、剎車概率、轉向概率、支道數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下支、主幹道車輛的速度、流量的變化,並分析在各種情況下交通狀況的成因,提出改善交通的有效措施。最後,在劉慕仁提出的用格子boltzmann方法研究一維決定論交通流的思路下,將此法推廣到對二維bml模型的模擬上,得到了與用以往方法的研究結果相類似的速度-密度圖線,且車輛從運動相到堵塞相轉變的上下臨界密度是一致的,同時分別給出車輛在處于暢通相和堵塞相時, boltzmann函數在格子上的分佈情況,進一步驗證了此法的可行性。The experimental study is designed to observe the flow process by use of morphological method in different kind of soils. macropore geometry is subsequently characterized by using fractal dimensions of staining patterns on horizontal cross - sections. the results prove that water flow in structured clay soils is strongly influenced by the presence of macro - pores and their geometries
為了更深入地了解物質在多孔介質中的運移,本論文進行了土柱模擬實驗,將含顏料的水分滲入不同類型的土壤中,然後對其不同深度的剖面進行觀察,並且進行了圖像分析,發現顏料的分佈滿足分形特徵,水分在土壤中的運移存在優勢流現象,受到大孔隙的影響很大,這與上述隨機模擬的結果是一致的。Above elaborated explains two points : first, although there are many advantages of the computer simulation, but can not be completely divorced from or replace tests, finally is must depend on experiments performs to confirm. second, computer simulation is a trend to replace test, but the key question is to resolve the model error. in view of former, the author of this study focusing on the principle of emphasize the test, researched the techniques factors of the components of the vehicle body works on the anti - collision capability
殘余應力會有一定程度的釋放,材料的強化會隨之變化,那麼以往的研究中之考慮了沖壓成型階段帶來的厚度分佈不均和殘余應力、應變,卻忽視了由於高溫固化時溫度升高所帶來的殘余應力釋放,這樣最終會直接影響到碰撞模擬模擬的精度,從而導致車身結構的碰撞安全性指標的不精確。These rules consist of the total fit, the mathematics and fatigue physics, and the safety in tail predictions. an analysis of the test s - n data of 16mn steel weld joints reveals that the four models are reasonable if only considering the total fit as the conventional method did. but if by the present three rules, the appropriate models should be the normal or the extreme maximum value
根據先前提出的有限數據下良好假設分佈的確定方法,包括三個原則,即假設分佈形狀與誤差數據真實分佈形狀的一致性、預測的總體擬合效果、與疲勞失效機制的一致性和尾部預測的安全性,通過對線性均值s - n曲線擬合16mn鋼焊接頭s - n數據誤差的統計分析,說明應用一般推斷方法, 4種分佈都可合理地作為數據的統計模型,綜合考慮三原則后,極大值和正態分佈是可能的良好假設分佈。Further measurements for the deposited films indicate that the appearance and the deposition rate of the films also vary. after we simulate the magnetic field in such case with c program, these variations are owed to distributed change of magnetic field near the target surface and in the discharging space, which can influence the motion of charged particles in the plasma obviously
進一步對沉積薄膜的測量表明,薄膜的沉積速率等發生了變化,通過對空間磁場進行模擬計算發現,由於空間外加的縱向磁場引起了放電空間中以及靶面附近磁場分佈的改變,影響了等離子體中帶電粒子的運動並最終導致了上述變化。And use relative fitting error to measure statistical data non - uniform error ; then introduce the method systematically of using the fuzzy comprehensive evaluation method to carry on the overall superior test of the government statistical data quality. includes the establishment of step level appraisal target system, target weight determination, calculates the factor weight in various levels, uniform test of judgment matrix, and built up the final fuzzy comprehensive evaluation model of the government statistical data quality according to the above - mentioned standard ; finally selects the partial main social economy total quantity target from chinese statistics yearbook 2003 to carry on the real diagnosis analysis : ( 1 ) confirm these social economy total quantity targets using the description statistics and the k - s inspection method to obey the lognormal normal distribution. ( 2 ) according to the two levels of inspection methods which this article proposed to carry on accuracy and the overall superior test for these social economy total quantity targets
本文首先從統計數據及質量的涵義出發,全面系統的介紹了統計數據質量的概念;其次,從研究統計數據的分佈規律入手,對統計數據準確性檢驗問題進行了探討,利用對數正態分佈檢驗對反映研究對象規模大小的統計數據的質量及異常數據進行定量檢查和識別,並利用相對擬合誤差計量統計數據的非一致性誤差;接著系統介紹了利用模糊綜合評價方法對政府統計數據質量進行整體優度檢驗的思路,具體包括建立遞階層次的評價指標體系,指標權重的確定,計算各層次中因素的權重,判斷矩陣的一致性檢驗,並根據上述標準建立了最終的政府統計數據質量模糊綜合評價模型;然後通過從2003年中國統計年鑒資料中選取部分主要的社會經濟總量指標進行實證分析: ( 1 )利用描述統計和k - s檢驗法來驗證這些社會經濟總量指標服從對數正態分佈的規律; ( 2 )按照本文提出的二級檢驗法來對這些社會經濟總量指標進行準確性和整體優度檢驗,從而達到綜合評價政府統計數據質量的目的;最後對這種二級檢驗法的優點和不足進行小結,提出今後應該努力改進的方向。The retrieval result shows that the collectivity direction of the two styles wind field is basically consistent, it ' s average away dispatch, average square dispatch and relative away dispatch are all small ; the distribution of the downwards draft and the upwards draft of the two styles wind field is very near, it basically reflects the construe of three - dimensional wind field
反演結果表明:反演得到的風場和模擬的風場總體趨勢基本一致,其平均離差、均方差、平均相對離差均較小;兩者的上升氣流和下沉氣流的分佈也很接近;基本上可以反映三維風場的狀況。With the distributions of bond stress and local slip, all specimens " bond - slip curves were simulated. and the calculating formula of characteristic slip and bond strength was conducted by mathematically disposal and statistically regression of bond - slip curves ; by revising the shape of bond - slip curves through " merge to one ", the model of bond - slip relation was confirmed and then a detailed definition on the model was conducted using position functions
結合粘結應力和局部滑移的分佈規律,擬合出了各試件的粘結滑移曲線,然後對曲線進行一定的數學處理,經過統計回歸后得到了特徵滑移值和特徵粘結強度的計算公式;對粘結滑移曲線形狀經過「歸一化」的數學處理進行修正,確定了基本的粘結滑移的本構關系式,並引入了一個位置函數對粘結滑移的本構關系進行了更為細致的描述。The turbulent flow through the right - angle energy dissipator is simulated by using the transient k - e model, and compared with the experimental results. the calculated result indicates the flow characteristic in detail. the calculated wall pressure is in reasonable agreement with the experimental data
4利用非恆定k -模型對直彎式消能工的紊流場進行了模擬,並與試驗結果進行了比較,結果清晰地顯示出水流流動過程,獲得流場的變化情況,計算所得的壁面壓力分佈與試驗結果定性一致。The results of experiment and numerical simulation of fiber orientation were similar, which showed that the academic model was feasible
纖維取向分佈實驗結果與數值模擬結果較一致,表明理論模型有一定的實用價值。Furthermore, author designs some tests, such as diffusion speed test of stress in soil under static load and sound wave test. by these tests, author verified that sound wave test can measure the stress in soil. comparing those aforementioned tests, we can know that their conclusions is coherent, so those conclusions also verify the feasibility of measuring stress in soil by sound wave tests
經理論以及試驗結果分析,靜荷載作用下土中應力傳遞速度試驗、聲波試驗以土中應力分佈傳遞規律的試驗及測試技術研究及前述室內模擬試驗,在土體含水量、密度變化情況下,三者所獲規律是一致的,初步證實聲波測試技術作為土中應力測試手段的可行性,為無損傷、不擾動測試土中應力做了探索性工作。分享友人