故障地帶 的英文怎麼說
中文拼音 [gùzhàngdedài]
故障地帶
英文
troublesome zone-
Abstract : in this paper, the environment of charged particle from cosmic ray which can induce the hard and soft error on micro - electronics was discussed. employing widely used model and our latest work, we calculated the distribution of cosmic ray in low earth orbit and discussed the model and its application
文摘:本文主要討論了在近地空間能夠引發微電子系統故障的宇宙線帶電粒子環境問題，參照國外轅為成熟的模式和我們最新的工作，對近地軌道的宇宙線強度進行了計算，並就模式的應用和存在的問題進行了討論。Therefore, it is necessary for modern enterprises to supply reliable and real - time information and services by utilizing computer systems, more and more departments especially those pivotal departments have been unprecedentedly relied on computer systems, however, it is unavoidable for the hardware and software of a computer to have a breakdown, which may certainly results in unmeasured losses
對現代企業來說，利用計算機系統來提供及時可靠的信息和服務是必不可少的，越來越多的行業、部門，尤其是關鍵部門，對計算機系統呈現出前所未有的依賴性。但是計算機的硬體和軟體都不可避免地會發生故障，會帶來無可估量的損失。This thesis not only analysed the serious results of deviation of electricd pressure, which was harm for equipments and personal safety, caused by disconnection of null line, but also proposed effective protecting measure for mulfunction, such as repetition earth protecting measures and so on
摘要分析了零線斷線造成電壓偏移而對設備和人身安全帶來的嚴重後果，提出了重復接地等有效的故障保護措施。With an introduction of cable laying and the environment for the cable, this paper classifies the cable faults recorded on the historic statistics, holds that the armored cable and the on - line detection method shall be adopted, professional evaluation system also be established for the improvement of cable operation
介紹了上海地鐵直流電纜的敷設方式和環境，在統計歷史故障的基礎上對直流電纜故障進行了分類，提出了在新線建設和改造項目中，盡可能採用帶鎧裝的軟電纜；通過在線檢測手段，建立專家評估系統，評定絕緣的優劣並預警其劣化的趨勢；改進直流電纜敷設質量，改善其運行環境等措施和建議。Because the fault current is very small, the fault defection is difficult
由於接地故障電流很小，因此給故障選線帶來了一定的困難。The wavelet packet analysis applied in fault diagnosis system is studied in this thesis. using simulation fault data, uncalm and time difference vibration signal of sodium pump are decomposed on different levels and frequencies. to picked - up the eigenvectors reflecting different fault of sodium pump with availability, simulation results have shown its satisfaction in the identification
對小波包分析應用於故障診斷進行了研究，利用模擬出來的故障數據，將快堆鈉泵非平穩時變振動信號分解到不同層次和不同頻帶上，有效地提取出反映鈉泵不同故障（狀態）的特徵向量，在識別中得到了滿意的結果。If we can locate the fault section rapidly and accurately when fault occuring, we can isolate the faulut area, resume the power supply for the unaffected area, decrease the power cutted area and bring out great economic benefits
當配電網饋線發生故障時，要是能夠迅速、準確地確定故障區域，就能正確動作相關的電氣設備來隔離故障區域，恢復對非故障區域的供電，減少停電面積，帶來巨大的經濟效益。Picep eliminated the drawbacks existing in traditional measurements ( using light oscilloscope, magnetic tape machine and fault wave recorder ), such as failure to start automatic recording, low acquisition speed, less synchronous recording channels, joint grounding of channels and less analysis functions for electrical parameters acquired, etc. picep meets the requirements of both production and r & d need of power system
Picep解決了傳統方法試驗方法（光線示波器、磁帶機、故障錄波器）中不能自動啟動記錄、採集速度低、同步記錄通道少、各通道共地、對測得的電氣參數軟體分析功能少等弊端，滿足了電力系統生產實際和科研的需要。In the 3 ~ 35kv power supply system of our country, the large part is the not solidly earthed neutral system. when the single - phase earthed phenomena happens in this system, this electric power network can run with failure. and in this way the operated cost can reduce greadty. and at the same time the power supply systemic dependability can be improved. but when the single - phase earthed current is large, this electric power system can engender easily arc earthed overvoltage and interphase short circuit by this means
在我國10 35kv供電系統中，主要為中性點非直接接地系統，這種系統在發生單相接地時，電網仍可帶故障運行，這樣可以大大降低運行成本，提高供電系統的可靠性，但這種供電方式在單相接地電容電流較大時容易產生弧光接地過電壓和相間短路，給供電設備造成了極大的危害。The range - finding and aiming device is an important component of the self - propelled gun fire - control system, which is consisted of pulse liquid lazer, an automatic mounting unit with step by step motor, and a master controller box specified for information control and management, etc. modern warfare requires a low rate of weapon malfunction and consequent stoppage
自行火炮測瞄裝置是自行火炮火控系統的重要組成部分，它由脈沖固體激光器帶步進電機的自動裝表機構和一個以信息處理和控制為中心的主控箱等組成。現代戰爭要求武器裝備要有一個盡量小的故障發生率和故障停機率，一旦發生故障，要求維修人員能迅速準確地判斷故障單元和故障性質。Since that the choosing line hardware for the neutral ungrounded system has just passed part of the dynamic simulative test, matlab software was chosen to do a lot of simulative tests on single phase - to - grounding fault. and the simulative sampling ratio is almost the same as the hardware ' s. because there is a low wave filter in the hardware, i choose the db15 wave - let to carry out the multidimensional decomposition on the sample by the method of one dimension discrete wavelet in order to obtain low frequency signal including the high frequency transient information on single phase - to - grounding fault
鑒于實驗室已有的小電流接地系統選線硬體的研製只通過了實驗室里的動模試驗，故選用matlab軟體對小電流接地系統進行大量的單相接地故障模擬試驗，模擬的采樣率和硬體基本一致，由於硬體中帶有低通濾波器，故在進行采樣數據的morlet小波分析時先採用db15小波對采樣進行一維離散小波的多尺度分解，使得分解得到的低頻信號剛好包括了小電流接地系統單相接地故障時的暫態高頻信息，然後對這一信息再繼續進行小波演算法分析，分析結論表明利用變換后的實部、虛部和模值能夠較準確的實現單相接地故障時的故障選線和暫態高頻分量的提取。In fault diagnosis based on decision - level information fusion, sensor - based decision always has subjectivity and ambiquity
摘要在決策級信息融合的故障診斷中，根據各傳感器所作決策不可避免地帶有主觀性和模糊性。Firstly, the discrete multi - tone processing in an adsl central office - side interface card is detailedly introduced. the processing mainly includes timing, framing, interleaving, forward error correction, cyclic redundancy check, constellation encoding, inverse fast fourier transform processing, prefixing, d / a converting, and amplifying. secondly, a kind of interface named utopia level 2 is used as the network interface, with which many adsl devices are linked with one atm layer
本文比較詳細地闡述了數字用戶線接入模塊（ dslam ）開發方案中， adsl局端介面模塊的dmt編碼與調制過程，討論了其組網應用方式以及基於atm的網路側介面utopia2技術，分析了adsl與其它寬帶接入技術的相互聯系和優缺點，並介紹了方案中所採用的一些關鍵技術，包括在線插拔技術、系統同步啟動和故障自動重起技術以及高速數字信號完整性的保證技術等等。In use, ground - station failures were common, and if a human operator was not available to reactivate the equipment manually, the satellite signal could be lost ? and with it, all the data for that orbit
衛星地面站經常在運作過程中發生故障，如果不安排操作人員以手動的方式讓儀器恢復運作，地面站就可能失去衛星的訊號，連帶失去來自該軌道的所有資料。Fast and accurately fixing fault points can restore power supply quickly, improve the reliability and safety of the overall power system. it can also reduce the economical loss
快速準確地找到輸電線路故障點，不僅有助於及時修復故障線路，確保整個電網的安全穩定運行，減少因輸電線路故障帶來的經濟損失，而且能大量節省巡線的人力和物力。分享友人