zero of reliability 中文意思是什麼

zero of reliability 解釋
可靠度
  • zero : n (pl zeros zeroes)1 【數學】零;零號。2 零位;零點,起點;(溫度表的)零度,冰點;座標原點;無...
  • of : OF =Old French 古法語。
  • reliability : n. 可靠性,安全性,確實(性)。
  1. A bayes method and a classic method have also been put forward in this paper, which are used to estimate the reliability characteristic parameter in case of the zero fail data

    本文還將提出採用分級bayes方法對電器無失效數據進行可靠性特徵量的點估計。為尋求無失效數據的區間估計演算法,本文給出一種構造置信下限的經典方法。
  2. To resolve the situation that the sensitivity of present ground fault protection schemes is low for the large - sized hydro - generators, a kind of protection scheme based on the fault component of third - harmonic voltage and two kinds of protection scheme based on the fault component of zero - sequence voltage at the terminals and neutral are developed, and they can obtain higher sensitivity and reliability and provide 100 % protection for the stator windings. the influence of noise on the stator ground fault protection based on the local modulus maximum of wavelet transform is analyzed

    針對目前大型水輪發電機定子繞組單相接地保護靈敏度偏低的問題,通過分析單相接地故障后機端和中性點零序電壓的變化特點,提出了一種基於機端和中性點三次諧波電壓故障分量和兩種基於機端和中性點零序電壓故障分量的高靈敏度、高可靠性保護方案,並實現定子繞組的100 %保護。
  3. For the limitations of traditional pwm hard switching circuit, a kind of zero of pair soft switching technology is introduced and the switching loss can be cut down by it and the reliability of inverter in case of high frequency can be improved also

    由於傳統pwm硬開關電路的局限性,本文採用一種雙零諧振型軟開關技術降低開關損耗以及在高頻情況下提高整機的可靠性。
  4. This paper analyses the test results gained by mixed simulation, and validates the reliability of the use of transient zero current and negative current in fault identifying

    文中討論了負序電流的分佈及提取問題,試驗數據同樣表明負序電流用於單相接地故障識別是可行性的。
  5. Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system

    統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。
  6. It combines feeder automation, and develops the fault identifying principle from one direction to two direction. so it enhances the redundancy of fault information, and improves the reliability of the fault location. we choose the transient zero current prior to others, for it is bigger than others mostly

    本文敘述了饋線系統保護原理,提出了基於饋線自動化系統的幾種單相接地故障處理方案,討論了這幾種方案下故障特徵量的比較方式,分析了故障特徵量選用的出發點以及配電終端地址命名規則等問題。
  7. Reliability calculation of zero - failure data in life test

    產品壽命試驗中無失效數據的應用方法研究
  8. Due to the improvement of reliability life of electric apparatus, little fail data and zero fail data would be obtained easily in the life testing

    由於電器產品可靠性壽命的不斷提高,在壽命試驗中常會出現小子樣數據和無失效數據。
  9. In the sense of mean squares, maximum likelihood estimator, best linear unbiased estimator, taest linear invariant estimator, and good linear estimator are contracted. fourth, proposed and researched the reliability analysis method under the zero - failure data and doof data. based on the part beta distribution as the prior distribution of failure probability p, = p ( t < r, }, hierarchical bayesian estimate method was discussed, obtain the reliability analysis method under the zero - failure data and the doof data

    第四,提出並研究了無失效數據類型和doof數據類型下電連接器的可靠性分析方法,提出了以不完全beta分佈為一級先驗分佈,超參數為[ 0 , 1 ]上的均勻分佈作為失效概率先驗分佈的多層bayes方法,結合加權最小二乘法解決了產品在無失效數據和doof數據下的可靠性分析問題。
  10. Based on " lagging 30 - a commutation ", the " lagging 90 - a commutation " method is brought forward to overcome the shortages existing in the traditional zero bemf, then the rang of a is expanded and the reliability of commutation is increased

    針對該檢測方法中的相位延遲角問題,在原有的「延遲30 ?換相原理」的基礎上,利用「 90 ?換相原理」對其進行改進,增加了相位移的取值范圍,提高了電機換相時的可靠性。
  11. The purpose of distributed network file system, the dnfs, is to improve the transmission performance and reliability of network file system. it also implements " zero management " which means the file system should reach the read / write performance comparable to the local file system with the minimum manual participation

    分散式網路文件系統即dnfs文件系統設計的目的在於提高網路文件系統的傳輸性能和可靠性,同時實現「零管理」 ,即在盡量減少人工干預的同時,實現與本地文件系統接近的讀寫性能。
  12. Reliability assessment method in the case of zero - failure and few - failure data of liquid rocket engine is mainly researched in this dissertation, and it has carried on the discussion to the method that the reliability data conversion under different operating status

    本文主要研究了液體火箭發動機在無失效以及極少失效條件下的可靠性評估方法,並對不同工況下可靠性數據折算的方法進行了探討。
  13. The development of filters, resonators and other telecommunication technology required better dielectric materials. the dielectric materials, used as the resonate body, should be high in dielectric constant, low in dielectric loss and a near zero temperature coefficient of dielectric constant in high frequency band, also could be sintered in a relative low temperature so as to reduce production cost, and what ’ s more, the miniaturization and reliability of materials are also the main aspects in the research work of high frequency band dielectric materials

    隨著濾波器、諧振器等器件以及通信技術的發展,人們對電介質材料的要求越來越高,要求作為介質諧振腔的電介質材料在高頻段下具有高介電常數,低介電損耗,接近於零的介電常數溫度系數,還要求高頻電介質材料能夠在較低的燒結溫度下燒成,以降低實際生產的成本,此外,材料的小型化,高可靠性也是高技術高頻介質材料的重要研究方向。
  14. It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time

    晶閘管具有過零、動作快速的特點,本研究以晶閘管為電容器和電抗器的分組投切開關,重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確定、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生諧振的處理計算方法,給出實現最佳補償投切選擇方法(測控系統、儀表變送系統、操作和保護系統的設計步驟) ,研製了一套高可靠性晶閘管觸發控制及保護系統,實現對無功的靜止可調補償。
  15. The experience results indicated the reliability of this kind of thermostatic control system. the analysis and compare about modern dielectric loss measuring methods are presented on chapter 3, and the zero - crossing testing phase discrimination method is adapted as the measuring method of this measuring system. furthermore, applied high frequency pulse technique, channel self - correction technique, anti - harmonic technique are used to increase accuracy and reliability of measurement

    本文對現代介質損耗測量技術進行了分析與比較,採用過零鑒相比較法作為介質損耗測量方法,並結合外施高頻脈沖技術、通道自校正技術、抗諧波技術,設計了高精度介質損耗測量電路,有效提高了介質損耗測量的精度,減小了測量誤差。
  16. Smoothing is that passenger feel some comfortable when vehicle vibrating on the rough road. travel reliability has some relation to vertical force of ground on tyre, that is, the force become zero when tyre separate from ground, which makes it difficult to handling vehicle. consequently it will influence the traveling safety

    汽車在行駛過程中由於不平路面激勵而產生振動,平順性是指乘員在該環境中具有一定舒適度的性能;行駛安全性與地面對輪胎的垂直作用力有關,如果該作用力為零,即輪胎脫離地面,將給汽車的操縱帶來困難,因此影響汽車行駛的安全;懸架動行程在汽車行駛時不能太大,即應在預留空間之內,以保證汽車正常運行。
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