離散參數過程 的英文怎麼說
中文拼音 [lísǎnshēnshǔguòchéng]
離散參數過程
英文
discrete parameter process- 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
- 參 : 參構詞成分。
- 數 : 數副詞(屢次) frequently; repeatedly
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
- 過程 : process; procedure; transversion; plication; course
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Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況,尤其是國內小型水電站的自動化現狀,針對現有電力部門的需求,設計並實現了一種單元式的微機自動監控裝置,該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能,還對水輪發電機組進行了調控,通過與上位機處理程序的配合,可以實現水電站的自動發電控制、機組順序啟停;在測量發電機組機端電壓和電流參數的時候,採用32點離散傅立葉演算法( dft ) ,增加了測量的準確性和可靠性;通過通訊可以實現裝置的聯網運行,做到「分散控制、集中管理」 。This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results
針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點,提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點,通過matlab模擬試驗,給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統,在保證系統實時性的同時,實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上,詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上,給出了連接漢語數碼語音識別的軟體設計各部分的流程圖,並對各部分進行了matlab模擬,並給出了模擬結果。By this solution, a balde body model can be created by the optimization of the parametric grid of the blade body surface. some key techniques used in the solution, such as the computation of the data points on the meanline, the technology of cotinuty between the leading line and the outline of the blade body and the technology of the cross - section curve discretization, are disserated, and corresponding algorithm are presented in this paper
在進行參數網格優化的過程中,需要進行中弧線數據點求解、緣頭拼接和截面線離散,本文對以上三個問題進行了深入研究,並在此基礎上提出了中弧線數據點求解演算法,緣頭拼接演算法和截面線離散演算法等研究成果。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。According to the geological data which was gained by exploration investigation, establishing a geological model which can reflect rock mass characteristics ; with analyzing the internal and exterior factors synthetically, the deformation and possible failure mechanism and mode of the cut slopes was confirmed which combines with stereoic projection and other techniques ; the stabilities of the 14 high slopes are estimated synthetically by applicable design codes and guidelines. with the estimate result and some other analysis methods, the rock mass mechanical parameters of slope are identified ; as a results, 14 high slopes fall into 4 categories based on rockmass characteristics and discontinuities. the stability and deformation of some typical slopes was analyzed with distinct element method by udec ; the safety factor of some dangerous slopes are calculated by rigid limiting equilibrium method for comparison
首先著重研究影響邊坡穩定性的內在因素,主要是通過地質勘探、測量、現場觀測等手段取得研究區地質體的基礎地質資料,建立起能夠反映地質體結構特徵的地質模型;隨后綜合分析潛在的內外部影響因素,並結合赤平投影對邊坡可能的失穩模式或破壞機製作出判斷;運用已有巖體質量分類方法對沿線14個高陡邊坡穩定性進行初步的評價,並結合試驗研究、經驗判斷、工程類比等手段確定了坡體的巖體力學參數;根據穩定性初步評價結果將研究區14個高陡邊坡按開挖方式分為4大類,並利用離散元程序udec對各類典型高陡邊坡進行了穩定性計算分析;對潛在危險邊坡利用剛體極限平衡法求出了不同工況下的安全系數。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。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。Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於累加弦長的三次參數樣條插補控制,保證加工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平穩性;通過脈沖均勻化,有效地解決加工過程中因為脈沖不均勻而引起的震動問題。Under the background of the research work - " expert system of hydraulic brake system design for saloon car, small and medium passenger car " for nanjing yuejin automobile group, in this paper, a set of special cad software for vihicle brake was developed in which the researchful object was brake, . the cad supporting software was pro / engineer and the developing language was vb. the project of discreted brake was raised and 3d graphic parametric library of typical parts and assemblies was established. 3d solid modeling and parameter - driven between dimensions and relations were accomplished using pro / engineer
本文以南京躍進汽車集團的橫向課題「轎車、中小型客車液壓制動系設計專家系統」為背景,以制動器為研究對象,以pro engineer為cad支撐軟體,採用vb語言,開發了一套汽車制動器專用cad系統;提出了制動器離散化方案,構建了參數化的制動器典型零部件三維圖形庫,使用pro engineer實現三維實體造型以及尺寸與關系的參數化驅動;圖形庫系統採用參數化圖庫引用、管理機制並擁有一個開放的擴充介面;研究了pro engineer二次開發模塊pro toolkit ,解決了同步模式下定製程序界面的問題,並實現與pro engineer的通信;建立了制動過程數學模型,推導了制動方程式並給出相關解法,編制了制動器數值模擬分析程序;構建了制動器設計資料庫。The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles
一、在常溫和常壓下進行滴流床反應器流率分佈的研究,以狀態離散、時間離散的齊次markov過程描述了滴流床在滴流區的流率分佈,建立了滴流床在滴流區流率分佈的隨機模型,根據此模型可以: 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈; 2 、液體流動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定,以參數s修正。On the platform of digital basin derived from raster dem data, - a grid - based hydrological model and a subcatchment - based hydrological model were used to study the effects of spatial variability on runoff process on such aspects as precipitation, model parameters and soil evaporation
在構建的數字流域平臺基礎上,建立分別基於子流域離散和柵格離散的數字水文模型,從而分析研究降水、模型參數和土壤蒸發的空間不均勻性對模擬水文過程的影響。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Firstly, influence factors of generalization of neural network are presented in this thesis, in order to improve neural network ’ s generalization ability and dynamic knowledge acquirement adaptive ability, a structure auto - adaptive neural network new model based on genetic algorithm is proposed to optimize structure parameter of nn including hidden layer nodes, training epochs, initial weights, and so on ; secondly, through establishing integrating neural network and introducing data fusion technique, the integrality and precision of acquired knowledge is greatly improved. then aiming at the incompleteness and uncertainty problem consisting in the process of knowledge acquirement, knowledge acquirement method based on rough sets is explored to fulfill the rule extraction for intelligent diagnosis expert system, by completing missing value data and eliminating unnecessary attributes, discretization of continuous attribute, reducing redundancy, extracting rules in this thesis. finally, rough sets theory and neural network are combined to form rnn ( rough neural network ) model for acquiring knowledge, in which rough sets theory is employed to carry out some preprocessing and neural network is acted as one role of dynamic knowledge acquirement, and rnn can improve the speed and quality of knowledge acquirement greatly
本文首先討論了影響神經網路的泛化能力的因素,提出了一種新的結構自適應神經網路學習演算法,在新方法中,採用了遺傳演算法對神經網路的結構參數(隱層節點數、訓練精度、初始權值)進行優化,大大提高了神經網路的泛化能力和知識動態獲取自適應能力;其次,構造集成神經網路,引入數據融合演算法,實現了基於集成神經網路的融合診斷,有效地提高了知識獲取的全面性、完善性及精度;然後,針對知識獲取過程中所存在的不確定性、不完備性等問題,探討了運用粗糙集理論的知識獲取方法,通過缺損數據補齊、連續數據的離散、沖突消除、冗餘信息約簡、知識規則抽取等一系列的演算法實現了智能診斷的知識規則獲取;最後,將粗糙集理論與神經網路相結合,研究了粗糙集-神經網路的知識獲取方法。Stochastic subspace identification method is the major in this article, and this method is based on the theory of projection of row space, and also uses qr decomposition, svd decomposition as well as least squares estimate to state space matrices of the discrete system so as to achieve the parameters of the dynamic behavior and it can achieve an accurate result
隨機子空間法是本文的論述重點,它運用了行空間投影的理論,通過qr分解和svd分解以及最小二乘估計來識別離散后的系統狀態空間矩陣,從而得到系統的動力學特性參數,識別精度較高。本文詳細的推導了隨機子空間法的理論公式,並編寫出相應的matlab程序。This paper emphatically researched the problem how to calculate the intersection point between workpiece that rotated with variational angle velocity and milling cutter that moved with complicated track and rotated with high speed. furthermore it adopted the discrete curve surface method for every milling cutter, and treated image frame as the control parameter of position of milling cutter during the intersection calculation process, so the algorithm of intersection between workpiece and milling cutter was obtained. the paper also discussed further three - dimension graphic problem of manufacture process
文中對做變角速度運動的工件和運動軌跡復雜的高速自轉中的銑刀求交問題進行了重點研究,採用將銑刀上的每個刀尖劃出的曲面離散化的方法,以圖像顯示的幀數作為求交計算過程的銑刀位置的控制參量,得出了銑刀與工件的求交演算法。The streamlines of the flow are obtained from an exact analytical treatment of the stokes equations by making use of finite element methods and complex function theory. based on the calculations, the formation and evolution of vortices in the flow are visualized
運用有限元方法,從斯托克斯方程,連續性方程和流函數方程出發,通過有限元離散、等參元映射、數值積分和牛頓迭代,得到有限元方程的精確數值解,利用后處理軟體對得到的數值結果進行了可視化處理。3. this paper analyzes the process of parallel pid discretization. an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters
分析了並聯pid的離散化過程,採用改進的pid演算法實現了變參數、變結構的pid調節模式。When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse
在引入新的無量綱的時間參數后,通過建立相應的動量-沖量的一階微分方程,在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程,得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法,即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。In second chapter, some limit theorems for function of countable markov chains in markovian environments were obtained, at the same time, some sufficient conditions on the jointly markov chains and sample function of the jointly markov chains were given
在第二章中,建立了具有離散參數的馬氏環境中馬氏鏈函數的極限定理,並給出了加在雙鏈和過程樣本函數上的一些充分條件。Two main contents of designing the database are proposed, one is to retrieve zipped data according to some rules, which is fulfilled by a few procedures together and can be controlled by input parameters. anther is to clear up the real - time data stored in database timely, which is fulfilled by using dts function in sql server 2000, and the data out of time can be deleted or saved as a access file
數據庫的設計中最重要的是兩個內容,一個是要將壓縮的離散的數據按照一定的規律返回,這個任務是由幾個存儲過程協同完成的,可以輸入參數控制返回;另一個是,實時數據大量積累在數據倉庫中,要定時清理過期數據,因此使用microsoftsqlserver2000的數據導入導出工具dts完成了過期數據的刪除或者選擇保存為access文件。分享友人