自擇適系統 的英文怎麼說

中文拼音 [zìzháishìxìtǒng]
自擇適系統 英文
self-optimizing system
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 適 : 形容詞1 （適合） fit; suitable; proper 2 （恰好） right; opportune 3 （舒服） comfortable; well Ⅱ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results

    接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。
  2. The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed

    較好地解決多阻尼比反應譜擬合問題；本文方法通過一次運行就能獲得一組具有集系特性的地震動，在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢，產生的人造波或人造波集系可滿足工程抗震設計需要；在遺傳演算法中，交叉概率和變異概率是影響收斂速度的重要參數，本文採用的改進自適應交叉概率和變異概率，可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率，以保證演算法始終以較好的速度向pareto最優解集逼近。
  3. Secondly, the core conception of cognitive towards information science is " human as essence ", and bring forward that the information system is one that can boost up and magnify the existence value, ability and specialty of " human ", and provide users a system which is active and unforced, rather than force users to arduously adapt system. thirdly, from the visual angle of cognitive, information - seeking or information - using is a kind of cognitive behavior in essence. fourthly, cognitive style is the development trend of future information retrieve system, it can reveal the thinking - process of users during retrieving on - line, in order to help users to develop their knowledge configuration

    首先，認知觀可集成情報科學的相關領域，從而為形成統一、有效的情報科學提供體系結構；第二，情報學認知觀把「以人為本」作為它的核心觀念，提出情報系統設計的任務是要設計出增強和放大「人」的存在價值、能力和特長的系統，使提供給用戶的情報系統是一種積極自然，而不是要求他們花力氣去適應的系統；第三，從認知角度來看，情報查尋和利用從根本上說是一項認知行為；第四，認知風格將是未來情報檢索系統的發展趨勢，這樣可以揭示聯機檢索過程中的用戶思維過程，以便有助於用戶知識的發展；第五，知識的進化與認知活動有密切關系，人的知識結構對外來信息的吸附、同化、選擇、建構和實現社會化的過程，其實就是知識的進化；第六， 「知識結構」將成為情報學認知觀研究的重點。
  4. Smart antenna has two critical tasks, one is to filter the uplink signals, and the other is to form the downlink beam, and we need adaptive algorithm and digital signal processing ( dsp ) technology to fulfill these work. adaptive algorithm is one of the most important technologies of smart antenna, and it determines smart antenna ' s speed to the wanted to signal and the complexity of the circuit of the communication system

    自適應演算法是智能天線的核心技術之一，它決定著智能天線對來波信號響應的速率和系統實現電路的復雜程度，系統需要針對各種通信環境來選擇合適的演算法，也可以採用演算法分集的方法來使整個系統工作在最佳狀態。
  5. In chapter 5 we discuss the design of ieee754 standard fpu ( floating point unit ). processor and uart ( universal asynchronous receiver transmitter ), these cores are used in this dissertation, fpu is used for floating point complex fft processor, uart is used for fft processor " s peripheral and our test platform. in chapter 6 we discuss the design for testability, including atpg, bist and jtag method, discuss the different verification and simulation strategy in soc scale facing to different modules, build up the test platform which is used to test high performance application specified digital signal processing processor. in chapter 7 we summarize the research results and creative points, and point out the further work need to do in the future

    第五章提出了基於ieee754浮點標準的浮點運算處理器的設計和異步串列通信核的設一浙江大學博士學位論文計，提出了適合硬體實現的浮點乘除法、加減運算的結構，浮點運算處理器主要用於高速fft浮點處理功能，異步串列通信核主要用於pft處理器ip核的外圍擴展模塊以及本文所做的驗證測試平臺中的數據介面部分第六章提出了面向系統級晶元的可測試性設計包括了基於掃描測試atpg 、內建自測試bist 、邊界掃描測試jtag設計，在討論可測試性設計策略選擇的問題上，提出了針對不同模塊進行的分別測試策略，提出了層次化jtag測試方法和掃描總線法，提出了基於fpga
  6. ( 5 ) establishing the measuring metallographic expert database with multi - modes express, obverse - contrary deduce method, fuzzy mathematical model pattern matching based on regulations. its reliability, accuracy and reappearance can satisfy requirement of quantitative analysis of metallographic microstructure. the system has great theoretical and practical significance in setting up quantitative relation among the composition, microstructure and mechanical property, selecting appropriate material, customizing suitable process and developing quantitative metallographic

    廣東工業大學工學碩士學位論文利用本系統對金相組織自動分析的可靠性、準確性能滿足一般定量金相分析的要求;它對于建立金屬材料成分、組織與性能之間的定量關系、合理地選擇金屬材料、制定合適的加工工藝、發展定量金相都具有重要的理論意義和使用價值。
  7. The wide use of network intrusion - detection systems ( nids ) requires efficient test and evaluation technique to assess the quality of these systems. the efficient test and evaluation is not only beneficial to the improvement of product quality for manufactures, but also helpful to the choice of appropriate devices for users

    隨著網路入侵檢測系統的廣泛應用，對其進行測試和評估的要求也越來越迫切，開發者希望通過測試和評估發現產品中的不足，用戶希望通過測試和評估來幫助自己選擇合適的網路入侵檢測產品。
  8. Thirdly, gap analysis, duration analysis, net present value analysis and dynamic simulation analysis, these four risk measurement techniques and how to use them are studied. and then, commerce tactics to manage and control interest rate risks and how to use them are researched detailedly. at last, an example which further illustrates how to manage and control interest a rate risks for commercial banks of china is given. interest rate risk management is a complicated job, so commercial banks should choose appropriate skills and measures to control interest rate risk effectively for keeping their earnings free of adverse influence of interest rate changes

    本文首先根據巴塞爾委員會制定的利率風險管理的原則和西方銀行業的經驗，對商業銀行所面臨的利率風險進行了具體地識別分析；研究了敏感性缺口管理技術、有效持續期缺口管理技術、凈現值法和動態模擬法這四種商業銀行利率風險的衡量管理技術及其運用；然後對控制利率風險的具體管理策略以及如何運用這些管理策略來控制利率風險進行了詳細地分析研究；利用前面介紹的成果和方法用實例系統地說明了商業銀行應根據自身情況選擇合適的管理技術和策略，有效地控制利率風險。
  9. The thesis centers the system of the education of choosing jobs on their whole career development, to help students understand the tri - relations of themselves, career and social, to heighten their capability of programming and developing the career, to face correctly career world so as to integrate national needs with individual development into choices

    本文構建的擇業觀教育系統是以大學生的事業生涯發展為核心，通過職業預備期的教育、職業選擇期的教育以及職業適應期的教育，協助大學生正確地理解自我、職業、社會及其相互關系，提升他們進行職業生涯規劃和決策的能力，從而在職業選擇與發展問題上做到國家需要與個人發展的有機統一。
  10. Study on selective interlock and self - adaptive over - current protective system for underground high - voltage power network

    井下高壓電網選擇性聯鎖自適應過流保護系統研究
  11. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  12. In order to enhance system ' s interaction ability, spatial and temporal sharing technology should be improved in following areas : increase participant behavior ' s accuracy and consistency ; support multiple participants to operate one entity in same time ; be adaptable to different tasks, offer different level of accuracy and consistency according to different types of task ; be adaptable to different bandwidth, transfer most important messages according to current bandwidth

    為了提高系統的交互性，時間和空間共享技術要在以下方面進行改進：提高系統的行為再現精度和一致性；一致性控制支持不同用戶在同一時間對同一個物體進行操作；使系統具有對任務的自適應能力，能根據用戶從事不同類型的任務提供與之相適應的再現精度和一致性；使系統具有對網路帶寬自適應的能力，根據當前的帶寬情況選擇最重要的信息進行傳輸。
  13. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步脈沖發放和側抑制特性，提出了基於改進型pcnn的圖像凹點檢測演算法，該演算法是一種自適應而有效的圖像凹點檢測方法，並且較好地模擬了人類視覺系統；然後，結合信息傳遞和信息耦合特性，將pcnn擴展成pcnns （ pcnn網路群） ，提出了一種基於pcnns的圖像融合演算法，能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中，有效模擬了人類視覺系統；另外，結合pcnn的同步脈沖發放特性、捕獲特性和波的傳播競爭特性，開拓地將pcnn用於模式分類中，提出了基於耦合神經元點火捕獲抑制特性的分類方法和改進的約束距離下的pcnn分類方法，前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類，而後者能夠消除訓練樣本中刺點對分類的影響；最後，結合累積差分圖像思想、 pcnn波的形成與傳播特性，通過各神經元之間連接取向來選擇與控制自動波的流向，將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。
  14. Conclusion : the results of this study can help clients with visual impaired to increase self - awareness and identify their job values

    結論：由結果顯示，職業決定系統可幫助視障者增進對自我工作能力及價值觀的了解，而有助於職業的選擇及發展做出適當的職業決定。
  15. Sum - of - gradient - magnitude measure is chosen to adapt all images with different enlargement according to analysis of focusing measures ’ character. for 3d bond targets, it is explained that why focusing window should be placed accurately. efficiency of the whole system is ensured by analyzing shift of focal plane when enlargement ratio is changing

    為了保證快速採集到鍵合器件的清晰圖像，通過對調焦評價函數特徵的分析，選擇能夠適應各個放大倍數顯微圖像的梯度作為系統的自動調焦評價函數;針對三維器件說明了調焦窗口正確放置的原則和必要性;分析了變倍過程中聚焦平面位置的變化規律，提高了自動調焦的效率。
  16. 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。
  17. On the detail contents of the study, first of all, under the guidance of the basic theory of the integration of intelligence and capital, it made an analysis of the cooperative intentions of both datong and shuguang at their respective positions and affirmed the positive significance of their cooperation. secondly, it conducted a detail analysis of investment values of shuguang co. from three sectors of its exterior environment, rd & marketing capabilities and finance to make sure what are its strong and weak points, and its internal potentials and the urgent problems it should handle and giving a clear picture of the investment value by investing shuguang. thirdly, based on funding and fund use plans of shuguang co., it analyzed its urgent demand of investment from datong co. and has done a basic calculation of investment return and reached a possible win - win conclusion

    文章在深入調查的基礎上，選擇了較為典型的知識型企業成都曙光股份和典型的資本密集型企業寧波大通股份為研究對象；在研究內容和方法上，首先以知識與資本結合的基本理論為指導，對大通股份與曙光股份的合作意向分別站在各自立場上進行了分析，肯定了雙方合作的積極意義；其次對曙光股份的投資價值從外部環境、研發和營銷能力以及財務三個方面作了較為詳盡的分析，確認了其強弱項、內在潛力和急需應對的問題，凸現出投資曙光股份的價值所在；第三，針對曙光股份的籌資用資計劃分析了該公司急需大通投資的客觀要求，並對用資效益進行了初步測算，得出了有望出現雙贏效果的結論；第四，探討了適宜於大通股份的投資方式，在此基礎上設計出大通股份參股曙光股份的投資方案，並進行了較為系統的可行性研究，證明了投資方案的可行性；最後，對大通股份投資曙光股份后進行整合與管理提出了初步設想。
  18. In this thesis, firstly, we give an introduction and analysis to the complexity adaptive system and artificial life which are the mainstream research harvest currently. secondly, we provide a supplement to some theory include stream, diversity and adaptive agent. at last, on the basis of the theories, we complete a validating to the nature selection and heredity variance in computer, a basic conceiving about learning species and a validate model of the theories of the origins of currency and price equilibrium

    本文對這方面最主流的研究成果復雜適應系統及人工生命的研究工作作了分析與介紹，並就其中的流、多樣性、適應性主體等理論作了自己的補充，最後我們結合對這些理論的認識，完成了自然選擇及遺傳變異的初步驗證、學習物種的基本構思、貨幣產生及市場價格均衡理論驗證的模型構建，在後續的工作中，我們除了繼續未完成的工作外，還將添加許多新的理論驗證。
  19. Multi - segment ( 256 ) metering automatically gauges and adjusts light readings over the entire image area to give you the best exposure for your subject

    多區分割（ 256區）測光系統會自動測量整個影像區域的光線，並為主體選擇最適合的曝光。
  20. Reconfiguration approach of distribution network based on both system reliability and feeder loss is presented in this paper. being an objective function both to maximize the reliability and to minimize the loss of network, constraint conditions are considered as operation limits. an optimal method of the minimizing both the average service unavailability index and feeder losses is described in this paper

    本文以配電網可靠性最高、網路損耗最低為目標函數，以配電網的運行滿足電力連續供應為約束，提出了基於排序選擇、對違反約束個體進行直接比較的改進自適應遺傳演算法，對配電網的可靠性按照深度優先搜索最小路進行計算，對系統的網路損耗按照牛頓? ?拉夫遜法進行計算。
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