離散型變量 的英文怎麼說

中文拼音 [lísǎnxíngbiànliáng]
離散型變量 英文
discrete variable,
  • 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
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  1. Abstract : a strong ilmit theorem for the weighted sum of discrete random sequences is gotten by the method of net differentiability

    文摘:利用網微分法，給出了離散型隨機變量序列加權和的一個極限定理。
  2. 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。
  3. On the base of analysing the ordinary design methods, aiming to the minimum annual cost or investment, taking the pipe length and water pump lift as decision - making variables, the linear programming models are presented to optimize the diameters of main network and field network

    論文首先分析了常規微灌系統規劃設計方法，在此基礎上，以年費用或投資最小為目標，用離散管徑方法，以管段長度和水泵揚程為決策變量，分別建立了水泵加壓式和自壓式干管管網優化設計以及田間管網優化設計線性規劃模型。
  4. 2. considering the characteristics of topology optimization of structures with discrete variables, a mathematics model of topology optimization of structures with discrete variables, including sectional variables and topology variables, with the aim of getting the minimum weight of the structures, is built up in this paper. this paper develops a from easy to difficult structure stability analysis mechanism, which

    2 .論文針對離散變量結構拓撲優化的特性，建立了包含截面設計變量和拓撲設計變量，以結構重量最小化為目標的離散變量結構拓撲優化數學模型，採用了由易到難的結構機動性分析機制，大大減少了結構重分析次數。
  5. Through newton ’ s law of motion, the continuous model of the cantilever is built. the author discretizes the model through lumped mass method and supposed modal method, analyzes the discretized model through influence coefficients method. compare the results of the two models ; the general analysis method of non - uniform beams is obtained

    其次，對懸臂梁結構進行了理論分析，應用牛頓運動定律，建立了懸臂梁系統的連續模型，並用集中質量法和假設模態法對懸臂梁系統進行了離散化，運用影響系數法對離散化后的系統進行了分析，並把分析結果和連續系統進行了對比，得到了變截面梁的一般分析方法。
  6. 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。
  7. Sets up three - dimensional movement modal of towed - cable, the vector dynamic equilibrium equation is expanded under local coordinate, and numerically discreted by central difference on time and space through transforming eular angle

    摘要建立拖纜的三維運動模型，通過歐拉角的變換把拖曳線列陣微元段矢量動力平衡方程在局部坐標系下展開，在時間和空間上作中心差分數值離散。
  8. 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。
  9. This thesis presents a new audio digital watermark algorithm based on has model. the steps : first, it classifies the signals through fft ; second, calculating the tones, noise and the overall masking threshold of different phases through has, and changing the energy value of tones which are more than that of the overall masking threshold to embed the watermark information

    提出了一種基於人類聽覺系統（ has ）模型的音頻數字水印演算法，該演算法首先對信號進行分段離散快速傅立葉變換（ fft ） ，再根據人類聽覺系統模型計算出各段的類純音、類噪音以及各段的總體掩蔽閾值，通過改變大於總體遮蔽閾值的類純音的能量值來嵌入水印信息。
  10. Based on the navier - stockes equation, the finite difference method was applied to variance the simplified n - s equation on cylindrical coordinate system. then, 3 - d model of the spiral flow locally generated in circular pipe with steady and axial - symmetry condition was founded. the ordinary iterative method of gauss - seidel was induced

    太原理工大學碩士學位論文本文以局部起旋條件下的圓管螺旋流為模擬對象，從以速度和壓強為自變量的微分方程一navier一5tokes方程出發，利用有限差分法對柱坐標系下簡化后的n一s方程進行離散，建立定常的、軸對稱的三維計算模型。
  11. The direct optimal model of multi - objective mixed discrete variables for lager - scale water supply system was established, by replacing complicated network hydraulic equation with nodal pressures macroscopic model and relationship model between pump stations flow and head in water supply systems without tanks or towers, genetic algorithm was developed to solve the direct optimal model

    以測壓點壓力宏觀模型、水源供水量和水源供水水頭之間的關系模型替代復雜的管網水力平衡方程，建立了大型供水系統的多目標混合離散變量的直接優化調度模型。在沒有水池和水塔的供水系統中，利用遺傳演算法對直接優化調度模型進行求解。
  12. Firstly, the paper models the multivariable discrete state - space model of the air transmission unit by the lab method, using multi - dimensional inverse m series as input stimulus signal

    首先利用多維逆m序列作為激勵輸入信號，用實驗法建立出空氣傳送部分的多變量離散狀態空間模型。
  13. Concerned the discrete area of the steel shape, a method is presented : searching the best solution of continual variable first by criteria, and next searching optimal solution by the direct - searching method of mixed variable on the original point of the continual result

    慮到型鋼截面的離散化，本文對多層輕鋼框架結構優化提出一種近似的處理方法，即先用準則法求得連續變量最優點，然後將其結果作為混合變量直接搜索法的初始點進行第二步優化。
  14. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  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. Later, professor liu wen studied the sequences of discrete random variables by combining the analytic technique with the approach of generating function and moment generating function and obtained a class of deviation theorems [ 10 ] ~ [ 121

    后來，劉文教授把分析方法結合母函數和矩母函數的方法研究了離散型隨機變量，得到了一類強偏差定理。
  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 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。
  19. Application of discrete type random variable storage model in the replenishment optimization

    離散型隨機變量存儲模型在訂貨優化中的應用
  20. Examples show the method is validity and convergence rate of optimization process is satisfaction whether they are continuous or discrete variables. 7

    並針對連續型和離散型變量進行了討論，實際算例說明，方法可行、收斂速度令人滿意。
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