離散分佈理論 的英文怎麼說

中文拼音 [sǎnfēnlún]
離散分佈理論 英文
discrete distribution theory
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : 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
  • : 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
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  • 理論 : theory
  1. The competition among those species like s. tsinyunensis, dryopteris erythrosora and veronicastrum stenostachyum etc., is intense in the communities, which may be one of the reasons why s. tsinyunensis is going to be endangered and with a very restricted distribution. the distribution patterns of the seven populations of s. tsinyunensis are clumped among the eight populations we studied, except population v of random distribution. the spatial pattern of 6 populations of s. tsinyunensis have high consistency with the negative binominal distribution, while another 2 populations, i. e., i and iii are poisson distributions

    6 )縉雲黃芩各種群空間格局基本呈聚集,其中7個種群的格局類型是聚集,其聚集強度較高,另有一個種群為隨機;其種群的擬合結果也嚴格符合一定的數學模式,其中負二項、 poisson別是該物種種群空間模式,其中6個種群擬合出的結果是負二項,種群i和種群m擬合出的結果是poisson
  2. Scalable video coding ( such as mpeg - 4 fgs and jvt svc ) and streaming is one of the most promising technologies. in this thesis, we investigate the key problem of scalable video coding and streaming : rate - distortion analysis and approximation, with which we also design some simple and effective smooth quality reconstruction algorithms of video streaming

    本文主要的內容和創新點包括:由於廣義高斯ggd ( generalizedgaussiandistribution )的高度靈活性,上和實際中它都可以非常好地描述餘弦變換( dct )和小波變換( wavelettransform )的編碼系數( transformcoefficients ) 。
  3. 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

    文針對平面信號控制交叉口的延誤問題進行了析,在實測數據析的基礎上,探討了車輛到達過程和開過程的運行特性,給出信號交叉口排隊車頭時距模型,提出飽和流率的測量應從第六個開的排隊車輛算起;運用隨機過程和計算機模擬的方法得到了信號交叉口排隊長度模型,在此基礎上運用協調變換的方法改進了車輛延誤模型。
  4. Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied

    基於creen公式和薄翼假設導出的升力面方法,採用在螺旋槳拱弧面上渦、源布置方法預報均勻流場中的螺旋槳的定常性能,螺旋槳尾渦面上壓力連續性條件採用近似的kutta條件處
  5. Its applications include in the fields of information engineering, electronics industry, theory of controls and economic, etc. for example, we use geometric distribution to describe the life distribution of runs of a species in transect surveys of plant populations and inventory demand distributions. in the theory of reliability, geometric distribution is one of the most important discrete probability distributions because of its loss of memory

    在可靠性中,由於幾何的無記憶性,使得其是型壽命中最為重要的壽命之一,其相當于指數在連續型壽命中的地位,這正如程侃研究員在文獻[ 5 ]中所指出的「在壽命的情形,幾何起著連續情形下指數所起的作用」一樣。
  6. The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results

    模型方面,前人提出了模型、微模型和隨機模型等來模擬液體的徑向和軸向流率,但仍然存在許多問題,往往計算工作量大且常偏實際情況,本文作者在導師的指導下,參照前人的研究成果,在滴流床的流率中採用了狀態、時間的markov過程描述了滴流床的流率,結果與實驗值吻合較好。
  7. The magnetic distribution of a - magnet is presented by analytic way and numeric simulation way. the single particle movement is studied in a - magnet and the movement rule of charged particle in ideal four poles magnetic field also is obtained. quantificational results of the incidence angle, trajectory length and the maximal distance in x direction are presented for ideal trajectory, and the equation indicates some important characters of a - magnet

    文對-磁鐵的有關物問題進行了較為詳細的述,從解析形式和數值模擬兩個方面給出了-磁鐵的磁場,對單個粒子在-磁鐵中的運動進行了析,利用數值求解方法研究了帶電粒子在想四極磁場中的運動規律,提出了歸一化運動方程和想軌道等物概念,定量給出了消色的入射角、軌道長度和x方向最大距的解析表達式。
  8. On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models

    文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域,在對評價區域的含水層、邊界條件和動態特徵等水文地質條件析的基礎上,概化了其水文地質條件,構建了相應的地下水資源評價概念模型與數學模型,並給出其數值解法和相應的計算流程;文在介紹數學模型的兩種常用數值解法和模型空間的矩形網格生成技術的基礎上,實現了基於gis的評價模型空間矩形網格的自動生成;最後,文從基於gis的評價模型基本信息管、模型空間時間方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成,並將模型評價結果可視化。
  9. It has shown by the uncertainty of the data of fatigue experimentation and the size deviation of machine accessory and structure component and the original defect of materials that all of the stress and intensity and the factors that affect them are stochastic variables, so we should deal with the problem of fatigue by the method of probability and statistics to making the engineering life deduced by fatigue intensity to be the reliable life under a certain probability

    疲勞試驗數據的性,零件和構件加工允許的尺寸偏差,材料中的原始缺陷,以及受載零件危險部位應力響應的特性等,都說明應力和強度以及影響它們的因素都是隨機變量,它們有各自的形式,應該用概率統計和方法來處,才能使疲勞強度在工程中所確定的壽命,成為保證某一概率下的可靠壽命。
  10. This paper describes a reconstructive algorithm which is based on network theory for electrical capacitance tomography technic. there are twelve electrodes in the system. the permittivity distribution of flow with two components within a pipeline is reconstructed. assume the permittivity distribution of the region to be reconstructed. then whole measured area is discretized into a network composed of capacitance. the measurement circuit which contains a pair of source electrode and detecting electrode is taken as a four - terminal network. the across admittance of the four - teminal network is proportional to the capacitance between the source electrode and the detecting electrode. modify the distribution of the permittivity according to the difference between the calculated capacitance and measured capacitance. the experimental results show that this algorithm is effective and can coverge

    本文描述了一種用於兩種成份的流體成像的12電極電容層析成像新方法.該方法基於電路的網路,首先對重建區域假定一個介電率,用電容網路作為化模型,將每一個源電極和探測電極對組成的測量電路看作一個四端網路,該四端網路的跨導與源電極和探測電極之間的電容值是線性關系,這個電容值和測量得到的電容值之間存在誤差,根據這個誤差對修正介電率.通過對不同介質作的模擬實驗結果,證實了該演算法是有效的,收斂的
  11. For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect

    隨著合成溫度和時間的增加,產物的結構和晶型越趨于完善,但在1100得到的產物有燒結和晶粒增大的現象,恆溫時間超過24h后對材料的性能影響不是很大; li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ,尤其當li mn比為1 . 05 2時,所合成的材料具有較好的電化學性能;通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好,而兩段間隔合成法比兩段連續合成法處的材料性能更佳;顆粒的粒度隨著球磨時間的延長而減小,比表面昆明工大學碩士學位文摘要卻增大,粒度小且范圍窄的材料有利於鏗子的擴
  12. First of all, the algorithm base on the boundary problem of helmholtz equation and finite - difference technique, calculate the field in “ cold ” cavity and disperse the helmholtz equation, as a result of the formula : ax = x. secondly, according to the eigenvalue of matrix theory and applied iterative methods, eigenmode adopt a numerical approach which allows the improved chebyshev polynomial iteration which based on the power method to extract the isolated eigenmode in the spectrum. finally, we resolve the problem of compatibility in software and insert the eigenmode module into the chipic which will have the function of eigenmode analysis

    具體的說: ( 1 )首先以電磁中的亥姆霍茲方程的邊值問題和計算電磁學中的有限差法為基礎,計算冷腔中的場亥姆霍茲方程,得到標準的本徵值問題: ax = x ; ( 2 )然後根據矩陣中的eigenvalue問題和數值計算中的迭代方法,採用改進后的chebyshev多項式,在power迭代法的基礎上對ax = x進行多項式迭代,實現對頻譜中孤立本徵模的萃取; ( 3 )最後將用fortran語言編制的eigenmode模塊加入到chipic軟體中,解決了eigenmode模塊與chipic主代碼的兼容問題,從而實現了chipic軟體的模式析功能。
  13. 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析的基本,其中包括從小波多解析度開始到小波變換再到圖像的二維小波變換即malat演算法,並著重析了圖像小波變換系數的空間和頻率特點。
  14. Then we get ruin probability, actuarial diagnostics and lundberg inequality in the new model. as to the risk model with random premium rate, we concerned with discrete random variable, continuous random variable and general random variable. we derive the formula of ruin probability, the extreme during the total duration of negative surplus and the joint distribution of the surplus immediately before ruin and the deficit at ruin

    對于保費率為隨機變量的一類風險模型,本文就的隨機變量、連續的隨機變量、一般的隨機變量三個方面進行討,運用概率方法和風險的方法推導出破產概率、末前最大盈餘、破產前瞬時盈餘與破產赤字的聯合等精算量的一般公式。
  15. In ( ( actuarial mathematics ) ) n. l. bower etc. specially have discussed the discrete time risk model in which the premium income of per unit time is regarded as a constant, the claim amount of each period time is regarded as independent and identically distributed random variable

    N . l . bower等人在《 actuarialmathematics 》一書中專門討時間的風險模型,該模型將單位時間內收取的保費視為常數,每一時期的賠量視為獨立同的隨機變量
  16. An optimized cvi - pip process has been achieved, by which the c / sic composites with 2. 1 ig / cm3 high density and uniformity are fabricated in 200 hours. the microstructure and composition of pyrolytic carbon interphase and cvi - pip silicon carbide matrix in the c / sic composites are investigated with the help of polarization microscope, scanning electron microscope, and x - ray diffraction technique, etc. the structure characteristic of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and effects of cvi - pip process on it are summarized and discussed. by growth course and feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix analyzed, a whole - course densification mechanism of lamellar - growth - pattern is proposed to explain the densification phenomenon, which makes a systematic understanding on the feature of pyrolytic carbon interphase and cvi - pip silicon carbide matrix, and the multiple stitching interface binding

    根據熱解碳中間相、 cvi - pip系sic基體相的組織構成與外貌特徵,通過對熱解碳中間相、 cvi - pip系sic基體相的生長過程和生長特徵進行析,提出了基於層生長模式的緻密化過程,解釋了熱解碳中間相、 cvi - pip系sic基體相以及釘扎誘導結構多重界面的形成: ( 1 )在1150下, cvi - sic亞基體相遵從「過飽和?凝聚?融合」機沉積,以8f型? sic為主,同時還會有少量4h型? sic ,無游si和游c存在; ( 2 ) pip - sic亞基體相由非晶態sic以及彌的- sic微晶、 si - o - c和游c組成; ( 3 )熱解碳中間相與碳纖維增強相之間、 cvi - sic亞基體相之間形成滲透釘扎結構過渡界面, pip - sic亞基體相與摘要cvi一sic亞基體相之間形成誘導結構過渡界面。
  17. The main research contents are as follovvs : after the analyzing of the process of making train diagram, according with its character, and take into account the trend of innovation, chooses the total solution based on the b / s architecture, 3 - tier operation distributed and 2 - tier data distributed to separate the data from operation and simplify the development and maintenance ; the e - r data model that is accord with the 3nf criterion is designed after analyzing the data structure of the train diagram system. emphasis on the permission security of the distributed system, take the view schema, coupled with the login authentication and permissions validation, to ensure the data accessing domination, and take the synchronization, error control, and restore capability to advance the data security ; on the basis of b / s solution architecture, after comparing the existing transportation technologies, b - isdn and adsl is selected as the major solution architecture based on the package - svvitched networks. furthermore, error control, firewall, and encryption techniques are introduced to prevent the hacker attack and ensure the networks safety

    文的主要研究內容包括:對目前我國列車運行圖管體制和編制流程進行詳細析,根據其「幾上幾下」的特點,並結合未來「網運」體制改革的變化預測,選擇採用與之相適應的基於b s體系架構、三層業務、二層數據的整體方案,實現業務與數據的,降低開發與應用過程的復雜度和總體成本;對列車運行圖系統的數據信息進行析,設計符合3nf規范的數據e - r關系模型,並著重研究處于式系統中的列車運行圖數據信息的訪問權限和數據安全問題,提出以視圖模式結合用戶識別權限審定實現數據權限劃,以並發處、容錯技術、恢復技術提高系統的數據安全性;在基於b s架構的系統整體方案基礎上,對當前多種數據傳輸技術進行析比較,採用b - isdn為主幹網、 adsl為接入端的基於公用數據網路組交換技術的系統網路體系結構,並針對網路自身安全性和黑客攻擊與侵入問題,詳細討綜合採用差錯控制、防火墻、數據加密解密等技術手段提高系統的網路安全性能。
  18. By applying generalized gaussian distribution to statistically model the alternating current coefficient of discrete cosine transform, the technology of the blind image watermark is studied and the performance of the new detector is analyzed

    摘要根據數字圖像餘弦變換域交流系數的廣義高斯模型,對盲圖像水印技術進行研究,並給出了水印檢測器檢測性能的析結果。
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