確定系數 的英文怎麼說

中文拼音 [quèdìngxìshǔ]
確定系數 英文
coefficient of determination
  • 確 : 形容詞1. （符合事實; 真實） true; reliable; authentic 2. （堅固; 堅定） firm
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 確定 : 1. （明確地定下） define; fix; determine; ascertain 2. （明確而肯定） definite; certain; for sure
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The overall idea is that the system of robotic manipulators is decomposed as two parts : one is nominal system with perfect knowledge of dynamic model and the other is system with uncertainties. ctc is used to control nominal system. for uncertainties system, we utilize the regressor of robotic system or bounding function on uncertainties to design

    基本思想都是將不確定性機器人系統分解成標稱系統和不確定系統：對于標稱系統，採用計算力矩控制；對于不確定系統，利用機器人系統的回歸矩陣或集中不確定性上界的包絡函數，設計不同的補償控制器。
  2. The article points out the importance and necessity of the information - security from its actuality in our country. the resources in the information system, for instance, hardware, software, data, document, operator, meterial and so on, are evaluated and gived safety grade firstly. and then, it analyses the menace including the nonauthorized access, the information leak, the refused sevice, the internal objection which the system will take. the following are the corresponding control police : confirm the users " rights and duties, including the mode of using account, the limit of accessing resource, the application of password, the building of backup ; confirm the administrators " right and duties, including physical safety, system configuration, account configuration and usufruct, password management, audit and control, backup and individual intimity ; run - of - mill measure of security defence, including access control, symbol and identification, integrality control, password technique, firewall system, audit and resumption, safety of operating system, safety of database system, defence of computers " virus and resisting - deny protocol. in the end, the article offers the strategies of disposing the safety - accident and analyse after ithow. to report it, how to solve it in phase, and how to avoid it happening again. in a word, the article presents a holistic resolvent about keeping away the information system ' s security, and supplies a essential frame for its configuration, management and application

    然後，對系統可能受到的威脅，包括非授權訪問、信息泄漏、拒絕服務和內部缺陷等進行分析，並提出了相應的控制策略：確定用戶的權力和責任，包括帳戶使用方式、資源訪問權限、口令應用以及建立備份等；確定系統管理員的權力和責任，包括物理安全、系統配置、帳戶設置及使用權限、口令管理、審計和監控、備份以及個人隱私等方面；一般性的安全防護措施：存取控制、標識和認證、完整性控制、密碼技術、防火墻系統、審計和恢復、操作系統安全、數據庫系統安全、計算機病毒防護和抗抵賴協議等。最後，對事故處理和事後分析提供策略，如何報告安全事故，如何協調解決安全事故，如何避免安全事故再次發生。總之，本文對信息系統安全防範工作給出一個整體的解決方案，為其在配置、管理和應用方面提供了基本的框架。
  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. An idea, simulating the fuzzy model by establishing the fuzzy model and fuzzy control rule of the controlled object is proposed. generally, it is difficult to acquire the accurate mathematical description of the controlled object. a dynamic modulating factor is introduced in the designing of the fuzzy controller so as to improve the precision of the fuzzy control. and a more convenient defuzzify calculation method is adopted. the cart and the single inverted pendulum are taken so as to illustrate the simulation result. in addition, the detailed qualitative analysis of the fuzzy system is achieved. a kind of common method of qualitative analysis is proposed. it can be used to analyse the fuzzy system and describe the behavior of the system state precisely in the phase plane. the simulating results illustrated the method is feasible and available

    提出了在難以精確描述控制對象數學模型的情況下，通過建立控制對象的模糊模型來確定系統的模糊控制規則，並對模糊系統進行模擬分析的思想.利用連續系統定性分析的思想，提出一種對模糊系統進行定性分析的可行方法，在相平面內較為準確地刻畫模糊系統的動態行為.在模糊控制器的設計中，引入動態調節因子來提高模糊控制的精度，並採用了一種便於實際運算操作的解模糊運算方法.在一種簡單的控制對象情況下進行了具體的模擬計算，得到較理想的控制效果.此外對具有精確數學模型的一級倒立擺系統進行此種模糊控制，亦取得很好的模擬結果
  5. The idea of the systemic design scheme about the visual measure methods of digital video system is established correctly

    確定了數字視頻系統可視化測量方法的總體設計方案。
  6. Then in term of the designed system frame, it uses the selected hardware and software environment of exploiting system to design ali kinds of the visible objects and the application

    然後確定系統環境的硬、軟體支撐，按照設計好的系統結構，對系統菜單、窗口對象、各控制項按鈕、數據窗口對象等可視化界面和各功能模塊的程序進行設計。
  7. The problems of robust stability for a class of lurie direct or indirect systems with time - delay and norm - bounded uncertainties are discussed using delay dependent method. method of linear matrix inequality is adopted to resolve the problems. comparing with the other sufficient conditions, the maximum delay obtained in this paper is less conservative

    2 .針對具有范數有界不確定參數的lur記時滯系統，分別給出了lurie直接型系統時滯相關的魯棒絕對穩定性條件和穩定化控制器以及lurie間接型系統時滯相關的魯棒絕對穩定性條件，結論均採用線性矩陣不等式的形式給出，通過和最近的其他充分性方法比較最大的時滯界，表明本文方法大大減少了保守性。
  8. Stability robustness of closed - loop system with uncertain parameters using interval analysis

    不確定參數閉環振動控制系統的穩定性與魯棒性區間分析
  9. The thesis begins with the analysis of the operation application demand, then, based on the practical case of a specific railway bureau, three regional databases are established, and system functions and hardware & software configurations are sorted out, which are built on a wan ( wide area network ) framework consisting of four lans ( local area network ).

    論文首先對業務應用需求進行了詳細分析，然後依據某鐵路局的運輸實際，設計了三個地區數據庫，由四個局域網組成廣域網的框架，並在此基礎上確定系統功能和軟硬體使用配置。
  10. Second, we can not identifies the psf of the blurred image, that is to say, we only have insufficient information of the blurred image

    其次，當我們不能確定系統的點擴散函數時，也就是說，對于模糊圖像，我們沒有充分的信息。
  11. The solution proposed here identifies important parameters with which to characterize the point spread function ( psf ) of the blur, given only the blurred image itself

    這里提出的方法是僅根據模糊圖像本身，求出確定系統點擴散函數（ psf ）的重要參數-模糊距離。
  12. Then, based on the analysis of parachute design process, an expert system is used for the uncertain parameter decision and airdrop experiment fault diagnosis in the course of parachute design. the expert system is used in the parachute integrated design system

    通過對降落傘設計過程的分析，首次將專家系統技術引入降落傘設計過程中的不確定參數決策和空投試驗后的故障診斷，並在降落傘集成設計系統中得到了運用。
  13. Based on the loss rate of historic projects or the indemnity rate of engineering insurance, the engineering insurance rate can be calculated ; with taking into account the instability coefficient in mathematical statistics of relevant data, the fundamental rate will be figured out according to where the projects locates and the vulnerability of the construction structure

    對于工程保險費率的確定，採用了以歷史工程損失率或工程保險賠付率為基礎，並考慮其歷史數據的數理統計不穩定系數，按項目所在區域及建築結構物的易損性作為基本費率，結合具體工程風險大小來調整基本費率。
  14. The conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  15. Abstract : the conventional variable structure control technique for uncertain system requires that the uncertainty bound is known as a premise to assure robustness. the requirement creates an over - conservative controller and enlarges chattering. the proposed controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on - line estimation used in smc to cancel the slowly varying uncertainties by the mechanism of time delay. the reaching law approach is used to get the conditions and band of quasi - sliding mode. the new methodology offers a robust feedback control with much lower gains and reduces chattering without a prior knowledge of the uncertainty bounds or matched conditions

    文摘:常規變結構控制用於不確定系統，須利用不確定性界確保系統的魯棒性，控制器過于保守且抖振變大.本文把未知干擾和參數不確定性的影響等效為名義系統的外界干擾，利用時延技術對干擾進行在線估計，並將估計值引入到變結構控制中，從而抵消掉系統中的慢變不確定性，利用離散趨近律法，推出了準滑動模態的存在條件及其帶寬.該方法克服了以往控制方法中須已知不確定性界的限制，且不必滿足匹配條件，用較低的控制增益保證了系統的魯棒性，降低了準滑動模態帶即削弱了抖振
  16. In this chapter, the stability judgements are proposed for the sps in four conditions respectively. they can offer the upper bound of the dead - time and the perturbed parameter. an application example shows that the judgements are easy to use

    本章通過對一類奇異攝動時滯不確定系統的研究，給出了該類系統在四種情況下出現參數范數有界攝動時保證系統穩定的時滯t和奇異攝動參數。
  17. To obtain the prior distributions of parameters by bootstrap, i proposed the integrated sampling method to generate bootstrap samples. the method simulates a markov chain to describe the state changing procedure based on the failure time sampled by monte carlo method. and the posterior distributions of parameters are obtained by markov chain monte carlo ( mcmc ) method

    為了應用自助方法確定參數驗前分佈，提出了運行故障時間和狀態的綜合抽樣方法生成自助樣本，該方法基於試驗數據用蒙特卡洛方法對故障時間進行抽樣，在故障時間抽樣值的基礎上，模擬馬爾可夫鏈表示系統狀態變化過程。
  18. The dissertation that integrates with m supplies general model of qualified evaluation discusses the relationships among three types of mathematical models. part three, consisting of chapter 4, chapter 5 and chapter 6, revolves on mathematical technology of higher education evaluation by dealing with evaluation in the light of specific conditions, such as suitable condition, functional mechanism, assurance principle, technological cost

    主要是通過實際評價的案例分析，對確定性數學模型、隨機數學模型和模糊數學模型三類模型中的一些具體模型的適用條件、功能機制、技術成本、保障機制，結合具體地高等教育評價對象（領域）進行了較深入、較系統的研究。
  19. The models can reflect all the factors of the real structure and only need a few measured data

    這樣所得到的應變模型既反映了實際構件各種因素的綜合影響，而確定系數所用的實測數據又不需太多。
  20. To be dealed agaist extended data, this thesis has improved on and come true arithmetic of time sequence model, and amended conventional decision tree arithmetic, introduced the decision tree arithmetic for extended data, namely threshold value control approach. according to threshold value and concept hierarchy, threshold value control approach can set up the concise and statistic classification tree. at the same time, based on the theory of the concept lattice, this thesis introduces the arithmetic of mining association rules based on quantified concept lattice reduced by uncertainty coefficient

    針對泛化后的數據，本文改進並實現時間序列模式發現演算法；修改了傳統的決策樹演算法，提出了一種適合於泛化數據的決策樹構造演算法：閾值控製法，閾值控製法通過閾值和概念層次的控制，可以建立簡潔明了、具有統計意義的分類樹；在概念格理論基礎上提出了基於不確定系數法挖掘關聯規則的演算法。
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