uncertainty function 中文意思是什麼

uncertainty function 解釋
不定性函數
  • uncertainty : n. 1. 不確定,不確實,易變;不可靠;含糊。2. 不確實知道,半信半疑。3. 【物理學】測不準性。
  • function : n 1 功能,官能,機能,作用。2 〈常 pl 〉職務,職責。3 慶祝儀式;(盛大的)集會,宴會。4 【數學】...
  1. In chapter one, we ' ve briefly introduced field bus, the advanced industrial control network. contrapose to the problems exsist in field bus, we ' ve discussed the application and status of industrial ethernet in chapter two. combined with the development of ethernet, in chapter three, we ' ve brought forward a kind of ethernet structure and a design project for ethernet controller, the key equipment in ethernet. we ' ve also analysed how to resolve the uncertainty of the traditional ethernet which affected its industrial application. in chapter four we ' ve talked about how to realize network management system based on snmp and web technology, which includes its structure, function and programming model. we ' ve discussed the technology of ethernet integrating with other network in chapter five, which consisted of both integrating with information network and control network. in the last chapter we ' ve analyzed the application project of ethernet in control field through practical case

    第三章結合以太網技術的發展提出了一種以太控制網路的體系結構和其中的關鍵設備? ?嵌入式以太網控制器的設計方案,還對傳統以太網中影響其在工業控制上應用的「非確定性」問題的解決辦法作了分析。第四章討論了基於snmp協議和web技術的網路管理系統的實現,包括結構、功能和編程模型。第五章討論了工業以太網和其他網路的集成技術,分為與信息網路和控制網路集成兩方面,最後一章通過實例來分析以太網在控制領域的應用方案。
  2. We hold that the integrate effect consists of two parts : 1 + 1 > 2 and a + b = c, in terms of math : here x1, x2, . . . , xn : integrate units s : functions of new system what features an integrated system are subjective initiative, non - linear function, dynamic connection, sub - system uncertainty, selective competition. the basic factors of integration are integrate context, integrate units, integrate interface and environment, which form the integration condition respectively the basic integrate patterns covers point - to - point, pipeline and hub

    首先,深入探討了集成的內涵,即集成是指為了實現某一目標,在一定的集成環境中,若干集成單元動態地集合成一個泛邊界狀態的有機整體的過程,指出集成效應的數學解釋除了1 + 1 2外,還應該包括: a + b = c ,即若以x _ 1 , x _ 2 , … … , x _ n代表集成單元, s代表集成后新系統的總功能,那麼其特徵有:主體行為性、功能非線性、關系動態性、單元泛化性、選擇競爭性;集成的基本要素包括集成背景、集成單元、集成界面和集成環境等四要素;基本模式有點到點模式、管線型模式和集線器型模式;基本條件有集成背景條件、集成單元條件、集成界面條件和集成環境條件。
  3. Results causal - uncertainty of middle school teachers had apparent prediction function to their state aid trait anxiety, and the decisive coefficients were 8. 1 % and 13. 0 % respectively

    結果中學教師自我原因不確定感對其狀態焦慮和特質焦慮都有著顯著的預測作用,決定系數分別為8 . 1 %和13 . 0 % 。
  4. Based on rough set theory, the relationship between belief function and inner measure belief function and lower probability of a random set are discussed, then we give a interpretation of these uncertainty measure

    本文以粗糙集為基礎,研究了信任函數與內測度、信任函數與隨機集的下概率之間的關系,並給出了它們基於粗糙集理論的解釋。
  5. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷,且不需要復雜的hash數據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似性分析得到相似客戶群體,對行向量進行相似性度量獲得相關web頁面,對後者再進一步處理得到頻繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳統數據挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘活動中,結合關系數據庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。
  6. One is the non - orthogonal gabor - daubechies frame, or g - d frame, a complete set of discrete window fourier functions which are constructed by space - shifting and harmonically modulating a gaussian window. although a g - d frame is not an orthogonal basis, it bears considerable advantages for the study of physical problems, especially those related to the wave field extrapolation, due to the optimal localization properties of the gaussian window function under the heisenberg uncertainty principle

    其一為將高斯窗函數經平移和調制而構成的一組窗口富里葉框架( gabor - daubechies框架,或g - d框架)基本函數,另一種為在富里葉分析和小波包理論基礎上發展起來的局部餘弦基函數。
  7. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;系統分析了變結構控制系統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續項法;針對不確定性線性系統,在變結構控制策略中引入模糊邏輯和自適應理論來消除滑動平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部分,採用自適應理論,根據系統不確定性大小在線調整模糊輸出量的隸屬函數,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分項的切換函數,由於積分項的存在使系統較正為無靜差系統。
  8. According to the actual situation and performance requirements, how to impair the influence of the disturb torque and the uncertainty of the system object model and how to improve stabilization and tracking accuracy are the principal difficulties in this paper. to solve these problems, a method by using mutative - plus and high - order compensation is brought forward and design by adopting h mixed sensitivity method in the velocity loop, then the weighting function selection is discussed, and the concrete selection principles are given in details

    根據本系統的實際工作情況和性能指標要求,通過分析指出,如何克服機(艦)載條件下干擾力矩的影響及系統對象模型的不確定性是本系統中提高穩定精度和跟蹤精度要重點解決的問題,針對這一問題,提出了在速率穩定環採用變增益的串聯高階校正設計控制器和利用h _混合靈敏度方法進行控制器設計的方法,詳細討論了加權函數選擇的問題。
  9. The application of multisensor information fusion of dempster - shafer evidential reasoning to sliding mode control with measuring noise was investigated, which helps to depress the uncertainty of the sliding mode function

    摘要研究了d - s證據推理多傳感器信息融合方法在存在量測噪聲的滑模控制中的應用,它有助於削弱模函數的不確定性。
  10. In the new method the uncertainty of the system to be controlled is normalized firstly, and then the partition of unity that is subordinated to a open covering of state variables compact set is constructed, and the approximation is realized by using its property that can approximate nonlinear continuous function with arbitrary precision, then the decentralized adaptive robust controller of complex systems and adaptive laws of approximate parameter estimation are designed

    該方法首先對被控系統中的不確定性進行歸一化處理,進而構造出從屬于狀態變量的緊致域的一組開覆蓋的單位分解,利用其具有以任意精度逼近非線性連續函數的性質,實現了對被控系統不確定性的近似逼近,然後設計了復雜系統的分散魯棒控制器和參數估計的自適應律,並證明了這種控制器使被控系統的狀態及參數估計誤差一致終極有界。
  11. In this paper, landscape ecology theory, uncertainty models and long time series are used in tourism planning market research and function distributing. the research of tourism surrounding carry capacity takes tourism amount as the index, the nature environment carry capacity takes tourism environment carry capacity exponent as the index, and the dynamic research takes tourism income as the index

    本論文結合景觀生態學理論、不確定性模型與方法和時間序列研究方法,將旅遊環境承載力與旅遊規劃的市場研究、功能分區相結合,分別作了以遊客量為代表的游覽環境承載力研究、以旅遊環境承載力指數為代表的自然環境承載力研究以及以旅遊收入代表的游覽環境承載力的動態性研究。
  12. Using the formulized approach to the su ( 1, 1 ) h ( 4 ) time - dependent system, which is derived from the combination of the formulation of the time - dependent bogoliubov transformation and the evolution equation of the system, we obtain the time evolution operator, state function and heisenberg uncertainty relation of the parametric oscillator with cavity losses under the weak coupling approximation. we also discuss the squeezing property of the system

    本文利用含時波戈留波夫變換與時間演化方程相結合得到的求解su ( 1 , 1 ) ? h ( 4 )量子系統的時間演化算符和演化態的普遍公式,我們導出了帶腔損耗的參數振子在弱耦合近似下的演化算符,態函數和不確定乘積,並討論了系統的壓縮特性。
  13. Taking erectophile type continuous vegetation as a example, authors had done many monte carlo simulations, and established empirical analytic expressions of radiances with component temperature, soil emissivity and leaf area index. empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters, such as component temperature, soil emissivity and lai, from thermal infrared 2 channels and 2 angles data. many experiments of genetic algorithm inversion from simulated data were conducted, results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken. comparison between inversion results and ground - truth data has been done. this paper offers a new example to retrieve component temperature from multi - channel, multi - angle thermal infrared data based on the model of directionality of thermal radiance

    在熱輻射方向性規律的基礎上,以喜直型連續植被為例,進行了大量的monte carlo模擬,建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。採用遺傳演算法,從熱紅外2個波段2個角度數據中,同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳演算法反演試驗,結果表明,遺傳演算法反演組分溫度非常穩健,在寬松的先驗知識條件下,遺傳演算法可以解決不確定性反演問題。
  14. In order to solve the problem of direct torque control ( dtc ) for permanent magnet synchronous motor ( pmsm ) related to the flux and the torque ripple and the uncertainty of switching frequency, a method which shorten the voltage - vector - function - time by svm ( space vector modulation ) is developed, and in order to improve the system performance, the stator flux linkage sectors and vectors are subdivided

    摘要為了解決永磁同步電機傳統直接轉矩控制低速時磁鏈和轉矩脈動大的問題,提出了1種用空間矢量調制( svm )實現減小電壓矢量在1個控制周期中的作用時間的直接轉矩控制方法;為進一步提高系統性能,對磁鏈扇區和電壓矢量進行了細分。
  15. This paper studies a design method of decentralized signal detection system which consists of adaptive fuzzied local - detectors and a data fusion rule of on - line self - learning weights. the local - detectors for inaccurate signal parameters are modeled by means of fuzzy sets which can be adapted to change of the inaccurate signal parameteres. the data fusion center where the optimal declsion rules are used as objective function can learn the local decision weights on - line. the robustness of the fuzzied local - detectors and the adaptability of the self - learned fusion rule make it true that the detection performance of the decentralized detection system is improved under uncertainty and this system can also process the decentralized signal detection with a unknown parameter of unknown distribution or non - random unknown parameter

    本文研究了一種由局部自適應模糊檢測器和在線自學習融合演算法所構成的分散式信號檢測系統的設計方法.由模糊集對不精確信號參數的局部檢測器進行建模,該模糊模型可自適應不精確信號參數的變化.融合中心以最佳融合規則作為目標函數在線自學習局部判決的權重.局部模糊檢測器的魯棒性和自學習融合演算法的自適應性使該分散式檢測系統在不確定環境下的檢測性能得到提高.也使該系統能夠處理未知分佈的未知參數以及非隨機未知參數的分散式信號檢測
  16. For the uncertainty optimization with interval coefficients in the objective function, a robust optimization framework is proposed, in which the concept of " regret " is incorporated. this framework is inspired by the methodology of " wuli - shili - renli " [ 26 ] raised by j. gu. through this method an uncertainty optimization problem may be transferred i

    5 .對不確定系統中的一類問題,即用區間數作為參數進行建模求解的區間數規劃問題,本文受顧基發研究員的「物理一事理一人理( wsr ) 」 26 ]的系統科學思想的啟發,創造性的提出了一個結合目標函數期望,不確定度和後悔度的三目標魯棒優化命題,本優化命題可作為原不確定系統優化命題的替代命題。
  17. This paper first presents the uncertainty of water resources and the process of fuzzy set theory in this field, then analyzes the current conditions of agricultural water resources and its sustainable developments in our country. based on the researches in this field, considering its character of multi - objective, multi - layer, multi - function and multistage, this paper mainly deals with the fuzziness and stochastic uncertainty of agricultural water resources system. the major contents and research results are as follows : 1 based on chen shouyu ' s fuzzy set theory, this paper presents a fuzzy optimal multi - dimension and multi - objective dynamic programming model, then two methods are given

    本文首先闡述了水文水資源的不確定性及模糊水文水資源學的發展現狀,分析了我國農業水資源現狀及其可持續利用,在論述區域農業水資源優化領域研究現狀的基礎上,鑒于農業水資源系統優化的多目標、多層次、多功能、多階段、多維與隨機的特徵,針對系統中普遍存在的模糊性和隨機性開展研究,主要研究內容和研究成果概括如下: 1 、基於陳守煜提出的多目標模糊優選動態規劃理論,提出復雜水資源系統的多維多目標模糊優選動態規劃問題的兩種求解辦法:多維多目標的決策序列相對優屬度總和最大法和多維多目標階段模糊優選動態規劃方法。
  18. Network information security insurance is the result of social advancement and economic development in the current time. just as its name implies, network information security insurance is to insure for uncertainty of network information security. we can understand it from two disciplines : first, in the insight of economy, network information security insurance is some economic guarantee system and measure whose function is to apportion the loss of network disaster accidents ; second, in the insight of law, network information security insurance is a sort of contract action

    網路信息安全保險是當今社會進步和經濟發展的產物,顧名思義,網路信息安全保險就是對網路信息安全的不確定性進行保險,理解網路信息安全保險這一概念的內涵,也可從兩個方面入手:第一,從經濟的角度上說,網路信息安全保險主要是對網路災害事故損失進行分攤的一種經濟保障制度和手段。
  19. Adaptive neural network model identification of uncertainty systems can be described as optimization of a non - stationary function

    不確定系統的自適應神經網路模型辨識的實質是一個時變函數優化問題,克隆選擇演算法適應性強,適合用於求解此類優化問題。
  20. Based on the concept of order and regret, a new tri - multi - objective optimization model is developed which is alternative used to solve the uncertainty optimization system with interval model parameter ? in particular, the uncertainty optimization model exits in many fields, such as economic and industrial fields. the tri - multi - objective optimization model include three functions : the first function is used to express the mathematical expectation in the uncertainty environment, the second function is used to express the robust property through a uncertainty degree function, the final function is used to express the mind of the decision maker through a regret function 2

    針對模型參數為區間數的不確定系統優化命題,在總結前人工作的基礎上,本文基於序和後悔度的概念,受顧基發研究員的「物理?事理?人理( wsr ) 」 guj . , zhuz . , ( 1995 )的系統科學思想的啟發,創造性的提出了一個結合目標函數期望,不確定度和後悔度的三目標魯棒優化命題,本優化命題可作為原不確定系統優化命題的替代命題。
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