short time stability 中文意思是什麼

short time stability 解釋
短時穩定性
  • short : n 蕭特〈姓氏〉。adj 1 短的;短暫的。 (opp long)。2 矮的;低的 (opp tall)。3 短期的。4 簡短的...
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • stability : n. 1. 穩定,穩定性,穩度。2. (船等的)復原力。3. 鞏固;堅定,持久不變。
  1. It takes agency theory as its premise, human resource property right as its core, and modern distribution theory and risk theory as its foundation. its basic idea is to give high - level managers headed by chief executive officer the right to purchase common stocks of the company at a certain price and time in the future. through this equity system, it ' s expected to inspirit organizations " management in the long run, avoid operators " short - term behavior, and thus reduce agency cost, improve organizations " management structure, and promote the stability of management, so that both constituents ( stake holders ) and vicegerents " ( operators ) targets of gaining profit will be realized finally

    其本質是對經營者的一種薪酬安排;它以代理理論為前提,以人力資本產權理論為核心,以現代分配理論和風險理論為基礎;其基本內容是給予公司內以首席執行官為首的高級管理人員在未來某特定的時間按某一固定價格購買本公司普通股的權力;通過這種機制希望對公司管理層起到長期激勵的作用,避免經營者的短期行為,從而減少代理成本,改善企業的治理結構,促進穩健經營,最終實現委託者(股東)和受託者(經營者)雙贏的目的;它是把期權理論應用於現代激勵機制的一種制度創新,比較符合市場經濟條件下企業經營者的價值取向和企業發展的戰略要求。
  2. The bank of england was among the first movers and its financial stability report, which is now a decade old, recently underwent a revamp that illustrates how rapidly this type of analysis has evolved in a relatively short space of time

    英倫銀行是率先推行這項措施的央行之一,至今已有十年歷史,其報告近期更經過革新,說明了這類分析要時刻配合金融市場迅速演變。
  3. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方程將dfl理論進行了擴展,使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程,此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將擴展的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制器可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  4. Through the establishment of var and vecm model and the analyzing of granger causality relationship both long time and short time, the stability of model, impulse response function and etc. we conclude that there is not any monetary indicator that has significant influence both in long term and short term ; if we choose interest rate as the monetary indicator, we will have long term influence but long lag time as well ; but if we select loan as the monetary indicator the performance will at verse, the short time influence while the short lag interval

    通過建立對商品房銷售額、上海住宅銷售價格指數與各貨幣政策中介目標的var模型與vecm模型,分析變量間的長期與短期granger因果關系,模型穩定性與脈沖相應函數等,本文認為在房地產市場中不存在長期和短期都有效的某一貨幣政策中介目標;以利率為中介目標則滯后時間較長但影響力持續時間也較長;以貸款為中介目標則滯后時間較短但影響力持續時間也較短。
  5. Abstract : using the principle of chemical kinetics, change the storage conditions to shorten the shelf life of food, and in a short time can get the shelf life of long life foods at normal condition, and apply in stability test for food, to insure the commercial shelf life of foods

    摘要:利用化學動力學的原理,改變儲存環境來縮短食品儲存期,從而在短時間內可得到長壽食品(一年以上)的儲存期,以及應用於食品穩定性的測試,確保食品的商業儲存期。
  6. Through looking back and analyzing the fiscal policy, we can find that the earlier fiscal policy " affects are not good. although the economics grow in a short time, the economics grow roughly, and the corporations " benefits come down. the policy itself results in and intensifies, not relax the economic stability

    本文第二部分對開放以來財政政策的回顧與分析發現,既往財政政策效應不好,短缺經濟條件下的財政政策雖然取得了較快的經濟增長速度,但經濟增長粗放、企業效益不斷下降,政策本身成為經濟波動的原因,加劇而不是緩解了經濟波動,致使經濟在大起大落中形成「政策周期」 。
  7. The experiment result shows that the current control system based on analog component has many strong points, such as simple structure, short stability time, high current stability, good temperature performance, and wide input voltage range etc. long - term instability of single - arm current is less than 1 10 - 3, and subtraction instability of two - arm current is less than 2. 2 10 - 5, which satisfies the request of high precision current control power supply for north - finder based on rlg

    實驗結果表明,由模擬器件構成的穩流系統具有結構簡單、瞬間即可穩住電流、電流穩定度高、溫度性能好、輸入電壓范圍寬等特點,單臂電流長期穩定度優於1 10 - 3 ,兩臂電流差值穩定度達到2 . 2 10 - 5 ,基本滿足了激光陀螺尋北儀中穩流電源的要求。
  8. The sensors with this kind of sensing membranes for the detection of gas - phase oxygen and dissolved oxygen have short response time, high detection precision and good stability and reproducibility

    將該敏感膜組裝到光纖氧傳感器上,實現了對氣態和溶解氧的檢測,並具有響應快、穩定性和重復性較好等優點。
  9. This paper introduces the basic concepts and importance of short - term frequency stability and phase noise, its expression in time domain and in frequency domain, the methods of measurements of phase noise and compares their advantages and disadvantages respectively

    摘要敘述了短期頻率穩定度、相位噪聲的基本概念和重要性、在時域和頻域中的表達方法以及各種相位噪聲的測量方法,並且分別比較了各種方法間的優缺點。
  10. This paper also have a research on bp and hopfield network, by using the nn, it provide a mechanism to deal with the diagnosis equations. the stability, astringency and the feasibility of this method can be strictly proved. the simulation results shows that the proposed methods can perform correct diagnosis in a very short time

    隨后著重研究了bp神經網路與hopfield神經網路模型,並利用其故障診斷機理及特性提出了兩種解故障診斷方程組的神經網路方法,其穩定性、收斂性和可行性都能夠得到嚴格的證明,最後給出了模擬演算法步驟及診斷實例,實驗結果表明該方法對容差模擬電路的故障診斷有很好的改進。
  11. This paper analyses crystal oscillator ’ s character and technique targets, and the changes of these technique targets effect the time of crystal oscillator gives the error mode of crystal oscillator time, by discussing gps system and time service theory, we analyze random character of gps second pulse error. we combine long - time stability of receiver ’ s output signal and short - term stability

    該系統成功地應用於寬頻帶地震記錄儀中,使地震數據記錄的時基精度達到微秒級,可以解決大范圍的地震儀布設應用時的授時和空間定位(經度、緯度、海拔)問題,為地震數據記錄、分析工作提供了與國際標準時間同步的時間基準。
  12. The sodium silicate sand prepared with higher modulus sodium silicate has advantages of low residual strength, short co2 blowing time, high moisture absorption ability and surface stability

    摘要使用較高模數的水玻璃混制的型砂具有殘留強度低、吹co2間短等優點,並有好的抗吸濕性和表而穩定性。
  13. The applications in sanming mansion and other projects have proved the advantages of this technology such as safety and stability, low cost, short time limit, no pollution, low noise and easy to operate etc., which is the optimal supporting plan for underground and opening project

    經三明大廈等工程實踐驗證,它具有安全可靠、成本低,工期短,無污染,噪音小,操作簡易等優點,它是地下及洞室工程圍護的最佳方案。
  14. On theoretic aspect, the slope stability question on static load had matured gradually, many countries had produced corresponding criterion and use them in engineering practice. the soil nailing structure is applied widely because of several excellences, such as low cost, short time limit and better adaptability

    從理論研究的角度看來,目前關于邊坡在靜荷載作用下的穩定問題的研究已逐漸成熟,各國都制定了相應的技術規范用於工程實踐;其中土釘支護結構由於其經濟、適應性強、效果好和施工快捷方便等優點,近年來得到了廣泛應用。
  15. As an example, the sudden turn of sentiment in the hong kong dollar exchange rate in september last year, from weakness to strength, notwithstanding our strong commitment to stability, came at a time when the banking system was short in the hong kong dollar to an unusually large extent

    舉例來說,即使我們表明致力維持港元匯價穩定,去年9月正當銀行持有大量港元短倉時,市場對港元匯率的看法突然由看淡轉為看漲。
  16. The common characteristic is the demand for the higher degree of the stability of the temperature, and the heating, refrigeration conversion system should be quick and swift, which could reach the temperature that is needed in a very short period of time

    其普遍特點是對溫度的穩定度要求比較高,而且加熱、製冷轉換要靈活迅速,可以在短時間內達到預設的溫度。
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