mtbf 中文意思是什麼

The units 120, 000 hrs mtbf, fecc, chairman control, dual video and cost effective price tag set it far ahead of the competition. since the installation of their video conferencing system the luo yang police department has noticed a considerable improvement in productivity and communication between offices

其中，包括內蒙政法區級公檢法司政法委五個主會場，分別設在各職能單位的辦公大樓的會議室，傳輸通道採用itu - h . 323網路結構。

Mean time between failures mtbf

平均故障間隔時間

Mtbf mean time between failure

平均故障間隔時間

Mean time between failure mtbf

平均故障間隔時間

Basing on the mission requirement of a new type radar, this paper analyses the weakness of traditional mtbf centered design concept, and presents a new design concept of reliability, maintainability, and supportability ( rms ) centered maintenance free operating period

摘要根據新型雷達任務的需要，對傳統的以平均故障間隔時間為中心的設計思想的不足進行了分析，提出了基於無維修工作期的可靠性、維修性、保障性設計思想。

The count of failure includes that of failure classification and failure pattern ; reliability indicator includes mean time to first failure ( mttff ) and mean time between failure ( mtbf ) ; life indicator includes feature life, center life, and specified life

其中，故障統計包括故障類別的統計和故障模式的統計；可靠性指標包括平均首次故障里程mttff和平均故障間隔里程mtbf ；壽命指標包括特徵壽命、中位壽命、額定壽命等。

Mtbf - mean time between failure

平均無故障時間

Mtbf mean time between failures

平均無故障時間

We can make use of approximate integral in the method of simpson to get the mtbf of system. then we can gain the curve with time

利用沿時間軸按辛普森（ simpson ）法近似積分系統的可靠性曲線可以得到系統的mtbf 。

In the dependability improvement process, we used many kinds of methods, such as dependability improvement analysis, dependability forecast, fault modeling effect analysis, dependability qualification test etc. it verified the evident improvement in the jyl - 6 weather radar ? dependability. the point estimate value is improved from 77. 7 hours to 432. 4 hours and the mtbf value reaches 144 hours. in our country, it is the first time that the airborne radar ? dependability criteria exceed 100 hours

在可靠性增長過程中通過可靠性增長方法分析、可靠性預計、故障模式、影響分析及可靠性鑒定試驗驗證等手段證實可靠性增長后， jyl - 6氣象雷達可靠性指標點估計值由77 . 7小時提高到432 . 4小時， mtbf置信下限達到144小時，在國內實現了機載雷達可靠性指標首次突破100小時。

When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

在探討可靠性設計與可靠性保障技術時，提出了石油測井儀器的可靠性計算新模型，從電氣和機械兩個方面，提出並闡述了應採用的可靠性保障技術及其使用方法：根據最新可靠性理論，建立了石油測井儀器的可靠性系統模型，探討了石油測井儀器的可靠性指標及其獲取途徑，提出了推薦使用的石油測井儀器可靠性指標（ mwture ， nolwnm ， mtbf ， mttf ） ；通過試驗，得到了所設計儀器的穩定工作時間（ mwture ） 。在研究數據處理方法時，闡述了伽瑪信號的特徵，對測量誤差類型進行了統計檢驗；介紹了數字濾波的基本理論、數字濾波方法的概況，並進行了分析；對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析；從獲取平穩段真值、地層邊界的檢測與處理兩個方面，建立了數字濾波效果的評價準則（ rvi ， rmse ， sfi ） ，給出了相應的數字濾波方法及效果評價方法；探討了自然伽瑪信號數字濾波器的設計方法，提出了適合自然伽瑪測井的混合濾波方案，探討了混合濾波方案的實現途徑；通過對部分數字濾波方法的定量研究，給出了靈活可選的數字濾波系統構成及實現流程；提出的三種濾波方案，將用於era2000成像測井系統，對自然伽瑪測井數據進行濾波處理。

According to the fact, we can give a minimal value of mtbf. when one value is smaller than the minimality, the relevant time may be thought of the theoretical lifetime of system

求出mtbf隨時間的變化曲線，根據實際的情況設定一個最小的mtbf值，如果小於該值，那麼對應的時間可認為是該系統的預計的理論壽命。

This dissertation discusses the mtbf and mttr ' s calculation of all - pair and terminal - pair can be obtained using relevant formula, but obtaining the coefficients is np - hard, sothose analyses are limited in small metworks

本文還分別就一般可修復網路全端問題、兩端問題的mtbf和mttr的計算進行了討論，得出了各自的計算公式。

Reliability demonstration testing indicates a mean time between failure mtbf of one million hours

根據可靠度示範測試顯示，其平均失效時間mtbf為100萬小時。

1 million hours mtbf meets enterprise - class reliability standards

一百萬小時的mtbf滿足了企業級的可靠性標準。

The six sigma black belt will be able to compute basic reliability statistics ( mtbf, availability, etc. )

6西格瑪黑帶應能計算基礎的可靠性統計（平均無故障時間、可用性等） 。

The six sigma black belt will be able to compute basic reliability statistics ( mtbf, availability, etc

譯文：六西格瑪黑帶應該能夠計算基礎的可靠性統計（平均無故障時間、有效性等） 。

Mtbf ; mean time between failures

平均失效間隔時間

Mean time between failures, mtbf

平均故障時間

The article put forward the general plan to realize intelligent pneumatic actuator and studied and analyzed on some of key technical questions : low power - consumption electrical - pneumatic converting unit and low power - consumption control circuit solution which is based on piezo ceramic principle and meet the requirements of intrinsically safe explosion - proof ( ib ct5 ) ; general software solution which realizes the goal of intelligence and hart communication function ; reliability design solution which answers the purpose of mtbf 16000 hours and regard electrocircuit, machine unit and software as main parts

本課題以氣動調節閥的智能化為研究目標，提出了實現氣動執行器智能化的總體方案。並對其中幾個關鍵技術難題進行了研究分析：以滿足本安型防爆要求（ ib ct5 ）的基於壓電陶瓷原理的電氣（ i / p ）轉換單元、低功耗的控制電路方案；以實現智能化和hart網路通訊功能為目標軟體總體設計方案；以mtbf 16000小時為目標和以電子電路、機械零部件、軟體為主體的整機可靠性設計方案。