discrete system theory 中文意思是什麼
discrete system theory
解釋
離散系統理論-
We discussed the method of state space design, and deduced the ackermann formulation. in the end, separation theory is adapted to the discrete system of the delta domain
文中討論了delta域內的狀態空間設計法：極點配置設計法及狀態觀測器設計法，推導了delta域內的ackermann公式，得出了分離定理同樣適用於delta域內的離散系統。 -
In the end, by the logic theory of analogism, the paper gets the logistics optimized model of operation entropy in discrete manufacturing system of job - shop ordering type
最後，利用類比推理的邏輯學理論得出單件小批訂貨型離散製造系統物流優化運行熵模型。 -
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。 -
Fmc is a complex discrete event dynamic system ( deds ). its scheduling simuiation is based on the theory of discrete event simulation
Fmc是一個非常復雜的離散事件動態系統，它的調度模擬是基於離散事件模擬理論基礎之上的。 -
The method of compressing bandwidth of fringe function is proposed that basis fringe contains discrete spectrum which is based on human vision for real - time display, we also introduce discusses the spatial light modulators ( slms ) based on display system of digital holography and theory of numerical reconstruction of digital holography
為了達到實時性要求，在滿足人眼視覺的光信息量基礎上，對帶寬壓縮的理論問題進行了研究，提出了基於離散頻譜的帶寬壓縮演算法，並給出了結果。 -
Basic theory of dynamic model for human body system is emphasized, which deals with many basic problems such as human body ' s continuous dynamic system, discrete dynamic system, randomness, self - organization, simple huge systems and complex huge systems
重點討論了人體系統的動力學模型基礎理論，內容涉及人體系統的連續動態系統、離散動態系統、人體系統的隨機性、自組織、人體系統的簡單巨系統、復雜巨系統等諸多基礎問題。 -
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。 -
One is to use fourier transformation to convert the source signal from time domain to frequency domain and to discard high frequency harmonious components upwards of 19 ( gb / t14953 - 93 d5. 3 demanding ), then to have static huffman coding to the quantized char array which is composed of reserved direct current component and basic wave and each high frequency " s amplitudes and angles. the other is to use discrete wavelet transformation to convert the source signal from time domain to frequency domain and to set the high frequency coefficients that its absolute value is smaller than the given threshold to zero, then to have dynamic huffman coding to the quantized char array which is composed of multiple, wavelet ' s level, datum length, low frequency coefficients and reserved high frequency coefficients. mass simulinks and analyses under the two circumstances have done to show that data compression ratio is small and the relative error is also small and within the permission of engineering and the compression problem can be solved in theory of measured datum of power system
第一種情況的壓縮方法為：採用傳統的傅立葉變換把原始信號從時間域變換到頻率域，舍棄20次及其以上的高次諧波成分（保證了gb / t14953 ? 93d5 . 3要求） ，然後對保留的直流分量、基波和各次諧波的幅值和相角數據量化后和量化時分別乘以的倍數系數構成一個數組，以字元形式保存，採用靜態huffman編碼對變換數據進行壓縮；採用離散小波變換把原始信號從時間域變換到頻率域，然後對分解得到的高頻系數進行閾值量化處理，對乘以的倍數系數、小波變換的階數、小波變換后的低頻、各級高頻以及原始數據長度、量化后的低頻系數以及保留的高頻系數大小、位置構成一個數組，以字元形式保存，採用動態huffman編碼對這個文件進行壓縮。 -
Based on the further study of dynamic characteristic of the tractor - implement combination, according to the integrated control model, which including the flowing three parameters : the engine load rate, drive wheel slip and work resistance, and the three control strategies, which are : highest production efficiency control strategy, oil consume economic control strategy and give attention to the above control strategy, we can adopt different control strategies according to different purpose of the task. applying the theory of the hybrid dynamic system to this case, the three control strategies can be abstracted to three discrete matters, and then the exchange model of the discrete matters of the top layer ( which called manage layer ) of the tractor - implement combination and the function decision model, which based on the nerve network, can be established. through this way, the best ad aptive controlling of the tractor came true
本文研究了拖拉機機組的綜合控制問題及其最佳匹配方法，在深入研究機組動態特性的基礎上，根據發動機負荷率、驅動輪滑轉率和作業阻力三參數的綜合綜合控制模型以及三種綜合控制策略（最高生產效率的控制策略、燃油經濟性的控制策略和兼顧最高生產效率及燃油經濟性的控制策略） ，針對不同的作業目的，採用不同的控制策略，應用混雜動態系統理論，把三種控制策略抽象為三種離散事件，建立了拖拉機機組上層（管理層）離散事件切換模型，並建立了基於神經網路的功能決策層模型，從而實現了拖拉機機組的整機最優控制。 -
In this thesis the author made a study of asynchronous motor model, designed a hybrid simulation system of dtc and analyzed the characteristics of the dtc system and the existing problems detailedly. due to the large torque ripple of induction motor in dtc system, especially in low speed, this thesis proposed a discrete time space vector modulation and designed a sliding - mode torque and flux controllers based on sliding - mode theory to overcome this drawback
由於直接轉矩控制存在的不足之處主要在於轉矩脈動，特別是在低速運行時這種情況更加突出，針對該問題，本文提出了一種離散時間空間矢量合成法來改善轉矩脈動，並且引入滑模理論，設計了一種滑模轉矩和磁鏈控制器來克服這一缺點。 -
So it may improve market imitative power, and hold vantage point in the drastic competition. comparing with flowing manufacturing, discrete manufacturing characteristic is low continuity much species and complex logistic. so this paper wish it explore a content control model integrating system theory cybernetics and extension theory
特別是在離散型製造業中，與流程工業相比，它具有加工過程的連續性差、加工品種多、物流管理復雜等特點，因此，本文綜合應用系統論、控制論、可拓論，探索一種具有指導意義的控制方法。 -
Hx theory and relative principle of filtering are studied. the relation between hx norm performance and riccati equation or inequality is discussed. the structure and plus matrix of hx filtering in different conditions ( linear discrete, linear continue and nonlinear system ) are given
介紹了h _基本思想和濾波的相關理論，討論了h _范數與黎卡提方程和不等式的關系，討論了卡爾曼濾波和h _濾波確定增益矩陣的方法，給出了各種不同情況下h _濾波的基本結構和增益矩陣的確定方法。 -
Discrete cosine transform ( dct ) is one of common transform encoding technique in common use of image compression. because such advantages as relatively matured theory, arithmetic and hardware ; ease to move relativity ; fit human vision system ; less calculation ( not include plural calculation ) : ease to realize and so on, dct compression is widely used
離散餘弦變換（ dct ）是圖像壓縮中經常用到的正交變換編碼技術，由於理論、演算法和硬體相對成熟，去相關性好，適應人眼的視覺特性，計算量不大（沒有復數計算） ，易於實現等優點， dct壓縮編碼的應用非常廣泛。 -
As to the workflow design of eerp, this thesis presents the model for the workflow executive system of eerp firstly, and then discusses the design of workflow process definition and that of workflow engine thoroughly. the design theory of the system and its realization are introduced also. its application in purchase business process, which is a typical workflow in discrete manufacturing enterprise, exhibits how workflow technology is applied to eerp system
在eerp的工作流設計方面，首先提出eerp工作流執行系統模型，並對工作流過程定義和流轉控制引擎的設計進行了深入的探討，給出系統的設計原理以及具體的實現方法，最後通過一個離散製造企業的典型工作流? ?采購業務流程，詳細說明了工作流技術是如何應用於eerp系統中的。 -
Deds theory reflects dynamical law of all kinds of man - made systems. with going deep study, people start knows a few important problems w hich discrete event interacting with continuous variable that so called hybrid system
離散事件動態系統（ deds ）理論是一類新的系統理論，反映了各種人造系統運行的內部規律。 -
This paper contains three parts : cost estimating, profit decision and unbalanced bidding strategy. the cost estimaging part introduces the product assembly model and describes how to convert it to assembly logic net. then we use the msps algorithm to weigh the product complexity and get the analogy coefficient to estimate the cost. then we analyze the traits of bidding activity, erecting a profit decision model based on fuzzy set theory. this model can choose the best profit through quantifying quote objects, profit influence factor and candidate profits. then we introduce unbalanced bidding strategy on basis of the traits of the discrete manufacturing enterprise. we take amount, date, cost subjects and technology into account. we change the price of all parts of the product, in order to get more benefit negative influence. this paper introduces the design and implementation of the system
接下來建立了基於模糊集的利潤率決策模型，以模糊集作為數學依據，量化企業投標目標、利潤率影響因素、投標利潤率三者之間的關系，為投標產品確定最適合的總利潤率，以最大化保證企業投標目標的實現。然後根據離散製造企業的特點，提出以bom為中心不平衡報價策略，從零件的需求數量、需求日期、成本科目劃分以及零件本身的技術難度進行考慮，通過在保持投標產品的投標總價基本不變的前提下，有意識有策略地調整產品各組成部分的報價，以達到既不提高總價，也不影響中標，又能在結算時獲得更理想的經濟效益的目標。 -
This thesis is based on the simulation of researching discrete event system. under the instruct of workshop scheduling theory, we analyse each simulation strategy which is suit for discrete effect system, and combine the practice instance of cylinder body product line of dalian diesel oil machine factory
本論文在研究離散事件系統模擬的基礎上，在車間調度理論指導下，分析了適用於離散事件系統的各種模擬策略，結合大連柴油機廠氣缸體生產線的實際情況，採用事件調度法對流水線製造系統的模擬進行研究。 -
Hi the method of controlling synchronization, pole - placement method of control theory has been applied to analyze controlling synchronization, and the synchronization condition of two dimension and three dimension discrete system has been given. the correctness of theoretic analysis has been proved through numerical calculation in some systems
控制同步法中，把控制理論中的極點配置法應用於控制同步的解析分析，給出了二維和三維離散系統的同步條件，在具體的系統中通過數值計算驗證了理論分析結果的正確性。 -
The application of discrete max theory on reliability optimization of integrated navigation system
系統可靠性最優化部件的可靠度和冗餘數確定 -
According to the feature of seaport container logistics system, this dissertation makes research of scheduling and simulation modeling of the system as folio wings : in the first chapter, simulation modeling theory of discrete system and its development is summarized, the theoretical applications in logistics system are also presented
全文一共分為九章。第一章為緒論，綜述了離散系統模擬建模的理論方法、發展概況及其在物流系統中的應用現狀，同時綜述了虛擬現實技術的發展及虛擬現實技術在系統模擬領域的應用前景。
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