離散型問題 的英文怎麼說

中文拼音 [lísǎnxíngwèntí]
離散型問題 英文
discrete-variable problem
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 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
  • 問 : Ⅰ動詞1 （請人解答） ask; inquire 2 （詢問; 慰問） question; ask about [after]; inquire about [aft...
  • 題 : Ⅰ名詞1. （題目） subject; title; topic; problem 2. （姓氏） a surname Ⅱ動詞（寫上） inscribe; write
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  • 問題 : 1 （需回答的題目） question; problem 2 （需研究解決的矛盾等） problem; matter 3 （事故或意外） tr...
  1. Taking a view of pure time field, this paper presents dissolvable signals and basic concepts of sampling ; and also gives the very condition of discrete of signal ; this paper uses linear algebra to analysis this kind of signal and then gives some results and relevant deductions ; based on these results, 1 made a further step to analysis some typical band - limited signals in order to proof the coherence of my theory of dissolvable signal to the typical sampling theory ; i made some preliminary study about the feasibility of sampling and recovering of this kind of signal

    本文從純時域角度出發，給出了可分解信號及其采樣的基本概念；也指出了信號可離散化的條件；利用線性代數理論給出了對這類信號進行采樣的分析理論及相應的推論；並用這些結論對典型的帶限信號進行了分析，證明可分解信號采樣定理與經典采樣理論的一致性；初步探討了對這類信號的實行采樣與恢復的工程實現問題。
  2. Previous researchers have always determined the sp atial distribution patterns ( sdp ) of castanopsis kawakamii with a sample - dis tance method. however, the distribution patterns may be affected by the quadrat si ze and, in the course of analysis, the density differences among the cluster plots are not considered ; therefore, differences of cluster plot size and the dispersi on degree among individuals of cluster plots can not be known. authers of this pa per have determined the spatial distribution patterns of castanopsis kawakamii population in different habitats by means of non - quadrat distance method and a nalysed the pattern intensity and grain of the sdp. the pattern intensity is defi ned with the relative density differences and the pattern grain can embody the d ispersion degree of the individuals in the plots, and the dispersion degree among the plots. the determined results are as follows. the intensities of the species range in order from strong to week : litsea mollifolia p. kawakamii i. purpure a r. cochinchinensis c. kawakamii c. carlessii d. oldphamii s. superba. the gra ins of the species queue in order from coarse to close : s. superba = litsea mollif olia r. cohinchinensis c. kawakamii = i. purpurea c. carlessii p. racemosam d. oldp hamii. these determined results tally basiclly with the results authers of this paper have got in determining the same plots by means of aggregate index access ing method. in view of this, it is held that the sdp of c. kawakamii is closely related to the habitats and biological features

    前人都是採用樣方方法對格氏栲種群數量的空間格局進行測定，而格局分佈有可能受樣方大小的影響，且分析過程中沒有涉及聚塊間密度差的問題，因而無法掌握種群的聚塊大小差別及聚塊內個體間的離散程度.本研究採用無樣方距離法，測定不同生境的格氏栲種群空間格局，分析格氏栲種群格局的強度和紋理.強度以聚塊和間隙的密度差來定義，紋理則是體現聚塊內個體間的離散程度與諸聚塊間的分離程度.測定結果表明，格氏栲種群格局強度從高到低排列次序為：木姜子蚊母樹冬青茜草樹格氏栲米櫧虎皮楠木荷；格局紋理從粗到細的順序是：木荷=木姜子茜草樹格氏栲=冬青米櫧蚊母樹虎皮楠.這一測定結果與作者採用聚集度指標測定相同樣地格氏栲種群空間格局的結果基本相符.因此，格氏栲空間格局類型及分佈與格氏栲生物學特性及生境的關系密切
  3. This article gives the subsistent ability and the analysis result of intensity after repair in the open field airplane composite material structure by research the intensity, rigid and repair problem under a axis compress loads on a typical three stiffened composite laminate which has a penetrability crack ( a scatter damage ) by a shrapnel

    本文通過飛機典型復合材料三加筋層壓板結構在被彈片劃開一穿透性切口（離散源損傷）后，在軸向壓縮載荷作用下所產生的強度、剛度以及修理問題展開了技術研究及探討，給出軍機復合材料加筋板在彈擊後生存力以及外場修理后強度恢復分析結果。
  4. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板，建立雙參數地基與中厚板相互作用的控制微分方程，結合胡海昌的解耦函數，運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題，並將結果與有限元線法、有限條法、級數精確解等進行比較，證明本文方法具有足夠的精確性與實際的可行性。
  5. Aimed at multiple - limit, multiple - object, non - linear, discrete of voltage / var optimization and control, on account of whole evolution of evolutionary programming, no demand for differentiability of optimal function, and random search, it can obtain global optimum with mayor probability, this paper solve optimal function with evolutionary programming

    在對優化的具體實現過程中，由於進化規劃著眼于整個整體的進化，對于所求解的優化問題無可微性要求，採用隨機搜索技術，能以較大的概率求解全局最優解的特點，針對電壓無功控制模型是一個多限制、多目標、非線性、離散的優化控制問題，因此應用進化規劃演算法進行模型的求解。
  6. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析，得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。
  7. ( 2 ) the investigation about driving fatigue of information operation showed if the information become more complex, the reaction seriously reduced, however, fatigue degree increased. otherwise, with the age advancing, the reaction slowed. ( 3 ) an instrument called testing force machine is utilized to correctly illustrate the center of gravity moving track

    對駕駛時間負荷、信息負荷進行聯合效應實驗，提出信息復雜度及駕駛疲勞的脈沖效應和u型效應；並進一步提出連續性與離散性負荷的駕駛疲勞問題，為人一車一路系統中以人為核心的優化匹配設。
  8. For this reason, the discrete model is used to solve the optimized place of distribution center on the basis of getting spare location by gravity method

    為此在用重心法得到備選地點的基礎上，引用離散模型解決配送中心的最佳地點問題。
  9. This paper mainly analyzes control delay at urban signalized intersections. based on the survey data, this paper talks about vehicles movement characteristics of arrival and depart process, then the queueing headway distribution is obtained, and the suggestion that saturated flow should be measured from the sixth queuing vehicle is offered. using random process theory analysis and computer simulation, the queuing length distribution model is obtained

    本論文針對平面信號控制交叉口的延誤問題進行了分析，在實測數據分析的基礎上，探討了車輛到達過程和離開過程的運行特性，給出信號交叉口排隊離散車頭時距分佈模型，提出飽和流率的測量應從第六個離開的排隊車輛算起；運用隨機過程理論和計算機模擬的方法得到了信號交叉口排隊長度分佈模型，在此基礎上運用協調變換的方法改進了車輛延誤模型。
  10. This text aims to establish mathematics model, everyday randomicity variable to be set up by the discrete transformation method, to set up the simulation parameter form and the moleling and covariance form, draw the procedure flow chart to proceed simulative newspaper calculator problem

    摘要通過建立數學模型、運用離散反變換法產生每天賣報數隨機變量、建立模擬參量表和建模及統計變量表、畫出程序流程圖等步驟對報童問題進行模擬。
  11. This paper analysis production control mode and characteristic of discrete custom manufacturing, bring forward that push - pull mode can better solve its planning and controlling. matter - element which is holonic has application in describing manufacturing system. on this basis, establish extension control model

    本文分析了離散型製造業定製生產的生產控制模式和特點，提出了推拉相結合的混合控制模式，這種模式能較好的解決品種變化頻繁、批量小的製造系統計劃控制問題。
  12. Sige simox : oxygen ions with high dose were implanted into sige grown directly on silicon substrate for the first time, and sige - oi novel structure was formed successfully with additional high temperature annealing ; it has been confirmed that oxygen implantation with 45kev, 3 1017cm - 2 and annealing at 12500c in ar + 5 % o2 for 5 hours, are fit for the formation of sige - oi structure ; ge loss during the high temperature annealing has been observed, which is originated from ge volatility and ge diffusion ; it has been proposed to use nanoporous layer induced by h + / he + implantation to surppress ge diffusion and to use surface oxidation to overcome the upper limit of sige simox. sige smart - cut : hydrogen ions were implanted into sige material and followed by high temperature process ( 4000c to 7000c ) ; blistering study was done and suggested the possibility of sige layer transfer by smart - cut technology ; it is concluded that the bubble formation is easier in sige than in si, and the strain in sige / si and the difference of binding energy in sige and in si could possibly contribute to this effect. behavior of sige / si implanted with hydrogen : gave a detailed study on sige implanted by beamline or phi hydrogen implantation ; it has been found that great strain is introduced into sige by hydrogen implantation and this strain could be alleviated by high temperature annealing ; both for conditional beamline implantation and piii hydrogen implantation, 600 is appropriate for the post - implantation treatment

    Sige - simox工藝方面：首次採用硅（ 100 ）襯底上直接外延的100nm厚sige的樣品中注入高劑量的o離子，通過退火處理成功制備了sige - oi新結構，即sige - simox工藝，證實了以45kev注入3 10 ~ （ 17 ） 7cm ~ （ - 2 ）劑量的氧離子，隨后在氧化層的保護下經1250 ， ar + 5 o _ 2氣氛的高溫退火（ 5小時）過程，可以制備出sige - oi新型材料；實驗中觀察到退火過程中的ge損失現象，分析了其原因是ge揮發（ ge通過表面氧化層以geo揮發性物質的形式進入退火氣氛）和ge擴散（ ge穿過離子注入形成的氧化埋層而進入si襯底中） ，其中ge擴散是主要原因；根據實驗結果及實驗中出現的問題，對下一步工作提出兩個改進的方案：一是通過在si襯底中注入適量h ~ + / he ~ +形成納米孔層來阻斷ge擴散通路，二是可以通過控製表面氧化來調節安止額士淤丈撈要表面sige層中的ge組分，從而部分解決sige
  13. Abstract : aim at the photocurable sterelithography in which micro - components are made according to point - to - point exposure, the paper describes that this method takes long prototyping time ， and it is one of main factors to restrict extension and application

    文摘:採用離散點曝光方式來製作微型構造物的光固化快速成型法，其成型時間長，這一問題是制約微型光固化快速成型技術迅速推廣應用的主要因素之一。
  14. Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line

    提出了流程工業生產過程操作優化策略和應用實施方法，包括生產過程離線優化策略、非線性問題求解策略、在線優化模型及學習策略；結合揚州有機化工廠計算機集成製造系統集散控制系統（ yh - cims dcs ）的實施，針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過程優化控制這一工程實際問題，採用統計建模方法，建立了聚合反應過程的優化模型；為求解所得的優化模型，提出了種改進的有約束條件下的模擬退火演算法，該演算法能避免陷於局部最優解，有效地提高了所求解的全局性和可靠性：提出了基於改進的ga演算法和sp演算法相結合的混合學習演算法，建立了基於神經網路的聚合反應過程生產目標在線預測模型，該演算法和模型滿足了生產中的實時性和實用性要求。
  15. The novel optimization algorithm, genetic algorithm popular these years, is introduced. genetic algorithm has the characteristics of multi - point searching, parallel computing and self - adaptive global optimization. so it is very suitable for the solution of complex engineering problems, which often have numerous variables, high dimension, highly nonlinear optimization objects, and the great solution spaces

    引入了近幾年興起的新型優化演算法? ?遺傳演算法，其具有多點搜索、并行計算和自適應全局尋優的特點，特別適用於求解離散型設計變量多、維數高、優化目標高度非線性、解空間十分龐大的復雜工程問題。
  16. In this article, the author spreads the whole probability from the scattered style to the continual style by using the know ledge of infinitesimal calculus and provides its applied example in resowing geometry probability problems

    摘要利用微積分知識把離散型全概率公式推廣到連續型，並給出在幾何概率問題上的應用實例。
  17. But, there are two difficulties in the method. one is the existing of numerously discrete variables, high dimensionality and great solution spaces, which may lead to the explosion of combination. the other is that the relationship between optimization object and the design variables is often very complex, and can hardly be expressed by plaint equation

    然而，協同優化設計面臨著以下兩個難點：離散型設計變量多、維數高、解空間十分龐大，優化設計面臨著組合爆炸問題；優化目標與設計變量間的關系非常復雜，往往難以建立起顯式的函數關系。
  18. The knowledge bases system in this expert system is self - contained system, which not only can store the accurate numerical knowledge and the fuzzy language expression knowledge accurately and conveniently, but also fuzzy continuous knowledge and dispersed knowledge effectively. it solved the problem of the store of subjection function and domain in the database, not concerning the type of the database

    這種表示方法具有完備性，根據它建立的知識庫不但能準確、方便的存儲精確的數值型知識和模糊語言表示的知識，而且能有效的表示、存儲模糊的連續型知識和離散型知識，既解決了隸屬函數和論域在數據庫中存儲的問題又不依賴于具體的數據庫系統。
  19. Genetic arithmetic designing for job shop scheduling problem with minimal makespan

    基於最小完工期的離散型作業車間調度問題的遺傳演算法設計
  20. The number of fuzzy cluster neuron is equal to the fuzzy cluster number, and the neuron output is one element of the membership matrix. 4. use hybrid fuzzy neural network modeling method and recipe fuzzy cluster method, a robust method to recipe - changing was presented. a multi - continuous parameters and one - recipe to one - output fuzzy neural network was designed to model the fouling in batch process

    浙江大學博士學位論文4 、針對間歇過程中使用模糊神經網路建模和測量對于配方變化較為敏感的問題，使用配方模糊聚類方法和混合模糊神經網路建模方法，設計了一個由多個連續型操作參數輸入和1個離散型配方變量輸入的配方混合模糊神經網路，用於污垢的建模和預測。
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