invariable system 中文意思是什麼

invariable system 解釋
不變體系
  • invariable : adj. 無變化的；不變的；一律的。n. 【數學】不變量，常數。-bility, -ness n. 不變性。adv. -bly 不變地；永恆地；常常。
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. The key features of the international system are decimalization, a system of prefixes, and a standard defined in terms of an invariable physical measure

    國際制度的主要特點是採用了十進製法、字首體系、以不變的物理度量方式解釋的標準。
  2. Because the fundamental frequency of power system is not invariable, it needs to be tracked and measured

    由於電網的基波頻率並非始終不變的，因此需要對實際的電網頻率進行跟蹤檢測。
  3. The traditional refrigeration system in containers adopts the mode of invariable revolution, and its system design is based on what can match the biggest heat load. so the refrigeration compressors and cooling fan motors have been chosen according to their biggest cool and heat burthen in working conditions

    傳統的冷藏集裝箱製冷系統一般採用恆定轉速運行方式，在設計系統時，以能夠滿足最大熱負荷為依據，製冷壓縮機和冷風機選型的根據是最大冷、熱負荷工況。
  4. This paper introduces a power controlling system for electrosurgical generator based on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates

    介紹了基於可控硅整流電路的高頻電刀控制系統，並針對該類型電刀的輸出功率隨電網電壓波動而發生漂移的問題，採用了一種功率補償的方法，實現輸出功率在不同的電網電壓的波動下保持恆定。
  5. This paper introduces a power controlling system for electrosurgical generator baaed on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates

    摘要介紹了基於可控硅整流電路的高頻電刀控制系統，並針對該類型電刀的輸出功率隨電網電壓波動而發生漂移的問題，採用了一種功率補償的方法，實現輸出功率在不同的電網電壓的波動下保持恆定。
  6. In view of the character of drum lifting frame, invariable value and switch control hydraulic transmission system, this paper analyzes reappearing controlling character of memory program controlling - predicted control results

    摘要針對採煤機滾筒調高機構的特點，即定量、開關式控制液壓系統，分析了記憶程式控制預知控制結果的再現控制的特徵。
  7. Using the traits of arc adjust itself of the co _ 2 welding, adopting slow - descending feature or even feature of electrical source equipping with system that delivering the welding rod at the invariable speed, then, the arc burning steadily is realized, and the quality of welding is improved

    利用co _ 2氣體保護焊電弧的自身調節特性，採用緩降或平硬特性的電源配等速送絲系統，通過改變電源空載電壓來調節電弧電壓，再利用電弧電壓和熔化速度之間的關系調節焊絲熔化速度使之等於送絲速度，最終實現電弧的穩定燃燒。
  8. It belongs to geometry invariable system and has the ability of undertaking the design load

    結構是由不同的構件組成的幾何不變體系，具有承擔設計荷載的能力。
  9. The endurance function of the insulation field is widely concerned in the power system. according to the equality between the two dimensional weibull distribution and the law of electrical aging, after the method for estimation of the voltage endurance coefficient is presented by the maximum likelihood estimation and the minimum square estimation of the two dimensional weibull distribution parameters, on the basis of the analysis of the test disadvantages under invariable voltage, the method of obtaining the voltage endurance coefficient under the intension increased by degrees is considered

    電氣絕緣電老化性能是電力系統普遍關注的問題，由於二元weibull分佈與電老化定律在評價絕緣老化特性上存在等價性，本文首先介紹了二元weibull分佈參數採用極大似然法和最小二乘法估計獲得電壓壽命指數的方法，同時在分析其在恆定電壓下試驗容易出現，由於電壓選擇不當導致試驗時間過長現象的基礎上，討論了利用場強遞增方式確定電壓壽命指數的方法。
  10. Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology

    半導體激光泵浦的固體激光器由於兼有了激光二極體和固體激光器的雙重優點，近年來得到迅速發展，並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求，並且綜合運用了當前在智能儀表、機電一體化產品、自動控制系統中應用廣泛的單片機數字化自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術，研製了脈沖半導體激光電源。
  11. Pid neutral network self - adaptive control applied on invariable current system

    神經網路自適應控制在恆流系統中的應用
  12. Fisher score can project the variable - length sequence into invariable - length score as feature vectors used to train and test svms. this paper investigates three classic models ( vq, gmm, hmm ), and develop a speaker verification system on pc

    本文對語音識別的經典演算法（ vq ， gmm ， hmm ）進行了比較深入的考察，並開發了基於pc的姓名語音身份驗證系統。
  13. ( 2 ) using the method of parameter identification in literature [ 117 - 118 ], selecting gain function : giving the initial value of the parameter observer from the time serial of output variables of the system, the numerical simulation result shows that the parameter observer proposed in this paper can identify the unknown parameters of the system quickly and exactly no matter if the parameters keep invariable or change in some rule, and the identifying speed is faster than the method in [ 117 - 118 ], when the unknown parameters are being identified, vith parameter compensator, it can synchronizes two hyperchaotic systems completely even if some parameters mismatch

    （ 2 ）採用文獻[ 117 - 118 ]提出的參數辨識方法，通過選取更一般的增益函數： l _ i （ x _ i ） = kx _ ii = 1 ， 2 ， 3並根據系統輸出變量的時間序列給出參數觀測器的初始值來進行參數辨識，數值模擬結果表明：採用本文的參數觀測器，在系統參數固定或變化的情況下，都可對系統未知參數實現快速高精度辨識，辨識的速度快于文獻[ 117 - 118 ]提出的方法；在辨識參數的同時，結合參數補償器，使兩個參數不匹配的超混沌系統同步。
  14. Then a kind of fuzzy - smith control strategies for a large dead - time system is studied and improved. the simulation results show that the fuzzy - smith control method has some excellent performances, which is suitable for systems with deadtime - varying parameters. considering that the conventional fuzzy has a shortcoming of invariable fuzzy rules, an algorithm of adjustable fuzzy rules based on a single neural cell is proposed in this paper, which is used for modifying the fuzzy control query table on - line

    本文分析了模糊控制、神經網路和常規控制演算法存在的不足，研究了如何將各演算法的優勢互補，相互融合，形成復合的自適應智能控制演算法；針對大時滯系統的特點研究了fuzzy - smith控制演算法，並在前人基礎上做出了一定的改進研究，進一步提高了fuzzy - smith控制演算法的性能；又將常規pid與神經網路有機結合，研究了單神經元pid控制演算法：針對常規模糊控制不可調整模糊控制規則的局限，本文利用單神經元的自適應、自學習能力對模糊規則庫進行了間接在線自調整。
  15. On the basis of accomplishing 2. 5 dimension nc function, the system realizes pressure feedback control in z - axial by detecting machining pressure between the tool and the workpiece in real time with a sensor in order to keep machining pressure invariable

    在完成2 . 5維數控功能的基礎上，該系統使用壓力傳感器實時檢測工具和工件之間的加工壓力，並以此壓力信號對z軸實施反饋控制，以保持加工中的壓力恆定。
  16. Traditional protective relays have no or worse communication ability. their settings are gotten off - line and are invariable in operating. so they can not get the optimal protecting effect and can not satisfy selectivity, speediness and sensitivity of power system sometimes

    傳統繼電保護無通信能力或通信能力較差，均為孤立的保護，且其整定值均通過離線計算獲得，在運行中保持不變，無法使保護達到最佳保護效果，在靈敏性、選擇性與速動性方面甚至無法滿足電力系統對繼電保護的要求。
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