discrete time process 中文意思是什麼
discrete time process
解釋
離散時間過程-
2 ) the function attributes of the workshop production plan and control system are also studied, that is to say, it is a complicated system including discrete and successive variables, and a great system which is ladder structure. affirmance, process time etc. can be found in the description of the production process
2 ）研究了面向訂單半流程製造業車間生產計劃與控制系統的功能特徵：該系統是一個包含離散和連續變量的混合性系統，同時又是一個階梯形結構的大系統；在生產過程描述中含有「確認」 、 「加工時間」等概念。 -
Coke oven is a complex plant with the characters of large time - delay, strong non - linear, multivariable coupling and changeable parameters. the dynamic process of the coke oven is driven by both continuous variables and discrete events. the mean flue temperature is affected by many reasons and it is difficult to control the temperature to required precision by the normal control methods
焦爐是具有大時滯、強非線性、多變量耦合、變參數的復雜對象，直行溫度受多種因素的影響，焦爐生產過程既受連續時間信號驅動，又受離散事件信號驅動，採用常規的控制方法難以將直行溫度控制到要求的精度范圍內。 -
For quantitative analysis of the combat platform fire application, the markov chain model of combat platform with reciprocal striking, hasty break through and shooting to dense target is studied by setting up markov chain which state and time are discrete according to the markov property in this process
摘要針對定量分析戰斗平臺火力運用問題，根據該過程所具有的馬爾可夫性特點，將其描述為狀態離散、時間離散的馬爾可夫鏈，由此研究了一對一格鬥、倉促突破戰斗、對密集目標群射擊等情況下的馬爾可夫鏈模型。 -
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 -
Based on the analysis of the theory, the paper put forward the method of the analysis and design of the sc filter by the discrete time signal method using the basic switch blocks combined with the fabrication convenience, mature technology, low power consumption, higher integrated cmos process
在理論分析的基礎上，論文提出了結合現在尋求代工方便、技術比較成熟、功耗低、集成度高的cmos工藝技術，利用常用的基本開關模塊，用離散時間信號的方法來分析和實現開關電容濾波器。 -
A study on modeling, scheduling and optimal control problems for a class of hybrid manufacturing systems is investigated. in this framework, the discrete entities have a state characterized by a temporal component whose evolution is described by event - driven dynamics and a physical component whose evolution is described by continuous time - driven dynamics, thus it is a typical hybrid system. not only the optimal control for manufacturing process like that discussed in many references but also the optimal machining sequence are considered in this paper. the whole problem is solved by a two - level optimization method : at the inner loop, for any given machining sequence of the jobs, the optimal control for manufacturing process is considered ; while at the outer level, an improved genetic algorithm is used to decide the optimal machining sequence of a batch of jobs to be processed. finally, some examples are given to illustrate the validity of the algorithm
研究了一類單階段混合製造系統的建模、分析與調度問題，這類系統既包含離散事件動態，也包含連續時間動態，前者用排隊網路描述，後者用微分方程描述.不僅考慮了a這類系統的最優控制問題，而且考慮了工件進入生產線的最優時間，並用一個復雜的優化模型描述，同時給出了一個兩層優化方法，內層給出對給定工件序列的最優控制，而外層用一改進的遺傳演算法求解工件進入生產線的最優時間序列.若干模擬實例說明了演算法的有效性 -
Diffusion / oxidation furnace is a kind of very important equipment which is used in semiconductor process production line. it is applied in the manufacture process of the discrete semiconductor devices and integrated circuit which have diffusion, oxidation, annealing and alloying processing. it is also used in special temperature treatment of other material and is an auto - equipment which has the command of long time working, high precision and high stability
擴散/氧化爐是半導體工藝生產線上非常重要的一種工藝設備，用於分立半導體器件、集成電路製造過程中各種擴散、氧化、退火及合金工藝，也適用於對其他材料的特殊溫度處理，是一種要求能長時間連續工作、高精度、高穩定性的自動控制設備。 -
In continuous - lime framework, assuming that asset price follows stochastic diffusion process, it introduces parametric uncertainty, and applies stochastic dynamic programming to derive the closed - form solution of optimal portfolio choice, which maximizes the expected power utility of investor ' s terminal wealth ; in discrete - time framework, continuous compounding monthly returns of risky asset are assumed to be normal i. 1. d., it applies the rule of bayesian learning to do empirical study about two different sample of shanghai exchange composite index
在連續時間下假設資產的價格服從隨機擴散過程，引入參數不確定性，利用隨機動態規劃方法推導出風險資產最優配置的封閉解，使投資者的終期財富期望冪效用最大；在離散時間下假設風險資產的連續復合月收益率服從獨立同分佈的正態分佈，通過貝葉斯學習準則，以上證綜合指數不同區間段的兩個樣本做實證研究。 -
The elastic pad ' s heights comprise of some basic discrete height. at the same time, there are some design targets during the assemble process. so the problem belongs to structural optimization with discrete variables and multiple objectives
結合結構的幾何模型與力學模型，根據彈性墊層材料的供應規范和結構設計要求，建立組合圓筒裱糊裝配結構的離散變量多目標優化模型。
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