sampling reliability 中文意思是什麼

sampling reliability 解釋
抽樣信度
  • sampling : n. 1. 取樣(品),取標(本)〈指行動或程序〉。2. 樣品,標本。3. 剽竊拼湊歌曲。
  • reliability : n. 可靠性,安全性,確實(性)。
  1. Chapter two is data sample of system. it will discuss the data conversion theory, 24bit e - a data conversion, mux - channel switch sampling technology, and emc design. among them, we will introduce the principle and application of ads 1251, application of photomos technology in mux - channel switch sampling, and emc design with hardware and software of gas feed controller, which has good performance in reliability

    第二章介紹系統的數據採集,該部分包括24bit -采樣原理、多路信號切換採集技術和電磁兼容設計,其中,主要介紹了ads1251晶元的工作原理和應用, photomos技術在多路信號切換采樣中的應用,以及配氣控制器在硬體、軟體等方面所做的電磁兼容設計,通過這些設計使得系統具有很好的穩定性和抗干擾性。
  2. Abstract : this paper describes reliability trial methods for hydraulic pumps that meet different requirements. the methodology is concerned with part fatigue, part wear, whole element wear and whole element sequential sampling life length

    文摘:描述了適合不同要求下的液壓泵可靠性試驗方法,包括部件疲勞、部件磨損、整機序貫壽命和整機磨損四種可靠性試驗方法。
  3. Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures

    此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。
  4. The paper initiated electroabsorption modulator replacing the conventional model of sampling optical source and high - speed photonic switching. the novel approach greatly simplified the sampling system and improved the stability and reliability. it has been validated in experiment

    首次提出採用電吸收調制器代替常規的「取樣光脈沖源高速光子開關」的取樣組合,大大簡化取樣系統的結構,提高取樣系統穩定性和可靠性,並進行了實驗驗證。
  5. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式,電力系統的發展使得電流差動保護應用於線路保護成為需要,而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析,結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護,對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  6. Based on the review of and comment on the concepts and theories of attitude and travel attitude and the current research situations about travel attitude, according to three element theories of the attitude, by way of random sampling of strata, the paper has carried on measurement of travel attitude of zhengzhou city, wuzhi county and yuanyang county resident. in writing this paper, the author designed a travel attitude inventory, which had been proved to be of good reliability and validity. then it carries on factor analysis and cluster ' s analysis to the measurement

    本研究在對態度、旅遊態度的概念、理論和旅遊態度的研究現狀進行述評的基礎上,依據態度的三元素理論,採用經過信度、效度檢驗的自編旅遊態度問卷,以分層隨機抽樣的方式,對鄭州市、武陟縣和原陽縣居民的旅遊態度進行了測量,並對測量數據進行因素分析和聚類分析。
  7. In this thesis, the critical components of pcs are analyzed and tested in detail. i present the scheme of reliability qualification test of capacitors, furthermore, analyze the sampling inspection scheme theoretically for capacitors and put forward the proposals to improve this scheme. for most of components in pcs with high reliability or long lifecycle, which need great investment of time and material for their reliability tests, this paper provides a new and effective statistical method for this kind of components - the progressive stress accelerated life testing with exponential distribution

    可靠性試驗也是可靠性工程的重要組成部分,能源系統許多元器件為高可靠性、長壽命器件,且大部分是非標準器件,為保證整個系統的可靠性,必須對備選元器件進行可靠性試驗,本文對能源系統關鍵器件進行了詳細的試驗分析,給出了電容器的鑒定試驗方案,對其抽樣試驗方案進行了理論分析並給出了方案改進建議。
  8. The error analysis model of sampling system was set up for the first time, by combining the saddlepoint approximation analysis and numerical arithmetic, which greatly increased the potential of further application and improved the reliability of the error approximation of the optical sampling histogram

    論文首次建立了採用鞍點近似法與數值演算法相結合的取樣系統誤差分析模型,大大擴展了鞍點近似演算法的適用范圍,提高了誤碼率估算的可靠性。論文提出了基於時分取樣方法的光子模數轉換。
  9. Sampling methods for common distributing random numbers and the samples of random fields are proposed. combining the monte - carlo simulation technique with the one - dimensional discretization finite element method, the monte carlo - finite element method for stochastic analysis and the reliability computation of thin - walled box girders are proposed in this thesis

    建立了幾種常用分佈隨機數以及隨機場隨機樣本的產生方法;將蒙特卡羅數值模擬與薄壁箱梁一維離散有限元法相結合,提出了薄壁箱梁隨機分析和可靠度計算的蒙特卡羅有限元法。
  10. Based on the above qualitative studies, combining the data collected from the social typical sampling investigations with the reliability analysis by using methodology of symbolic statistic, an evaluation methodology for the key property on the technology of food security in quality was explored, finally case studies of the evaluation methodology for the key property on the technology of food security in quality were conducted, important technology types and categories for the food security in quality were selected in the view of strategy, and series of countermeasures for macroscopic development of the technology of food security in quality were also put forwarded

    然後,通過社會典型抽樣調查(專家問卷法)得到第一手數據,運用sas 、 excel和灰色關聯分析等數理統計與分析方法,對問卷的可靠性進行了研究,建立了食物質量安全技術「關鍵性」的評價方法,並進行了實證評價分析,對我國食物質量安全技術的重點技術類型、關鍵技術種類等進行戰略選擇,提出了我國食物質量安全關鍵技術的一系列宏觀發展對策。
  11. Furthermore the computer program ism for analyzing structural reliability is developed by using advanced first order second moment method and important sampling monte - carlo method

    分析了4種損傷:即疲勞、凹坑、腐蝕和海生物損傷,並推導出時變構件可靠性計算的有關公式。
  12. Making importance sampling method suitable for sensitivity analysis of reliability parameter sensitivity

    基於重要抽樣馬爾可夫鏈模擬的可靠性參數靈敏度分析方法
  13. In the structure and mechanism reliability analysis, the monte - carlo method, the importance sampling method and the extended importance sampling method which is presented in this paper are applied into the t russ structure, the box structure, the shaft structure and the flexible four - linkage mechanism

    無人戰斗機機體可靠性分析是對無人戰斗機上的結構、機構(桁架結構、盒式結構、轉軸結構以及四連桿機構等這些最基本的結構、機構型式)進行可靠性分析。分析時採用蒙特卡羅法、重要抽樣法以及本文提出的擴展重要抽樣法。
  14. Sampling rate is 32 points per cycle, parallel real - time calculation could be done for all relays ( including main protection, back - up protection, and abnormal operating protection ) within one sampling period, so makes it has very high reliability and speed of action

    裝置采樣率為每周32點,且在每個采樣間隔內對所有繼電器(包括主保護、后備保護、異常運行保護)進行并行實時計算,使得裝置具有很高的可靠性及動作速度。
  15. It can be used to measure mechanical and electrical parameters of relay ; because the reliability of electromagnetic relay is very important to the safe running of the control system, this paper introduces a reliability index for micro - electromagnetic relay. the compliance test - plan of success ratio for it is studied through the application of bayesian theory. the paper compares the methods of classical statistical theory and bayesian theory for making sampling plan of success ratio

    此外,本文還介紹了由msc - 51單片機控制的繼電器參數測試系統的原理和方法,能對機械參數和電氣參數進行測試;由於電磁極化繼電器可靠性的高低將直接影響控制系統的安全運行,研究了用bayes理論設計電磁繼電器產品的成功率驗證實驗方案,並與經典方法設計的成功率驗證方案進行了比較,在特定的先驗信息下, bayes方案所需的樣本容量較小。
  16. Digital down converting is one of the key technologies of software radio. it can improve the efficiency and reliability of communications. lt is also important to realize software radio receivers. the paper focuses on the technologies involved in digital down converting, such as integer sampling - rate conversion, non - integer sampling - rate conversion and carrier frequency offset estimation algorithm. on the base of these, the paper analyzes applications of digital down converting in the hsp50214b programmable downconverter. the hardware and sofeware of the application of digital down converting are also introduced

    數字下變頻技術是軟體無線電中的關鍵技術之一。該技術不僅有助於提高通信的有效性和可靠性,還對實現真正的軟體無線電臺有著重要的意義。本文對數字下變頻所涉及整數倍采樣率轉換、非整數倍采樣率轉換和載波初始頻差估計校正作了較深入的研究,並提出了一些實用高效的實現結構和演算法。
  17. The main design work as follow : four biomedical analog signals input channels " design ; the design of at89c51 microprocessor system which can change the sampling rate ; the dma interfacing circuit design by which the sampling data enter the computer ; the interfacing circuit design between pc and signal amplifier, and the reliability and anti - interference design of this system, etc

    具體設計內容包括:四路生物醫學模擬信號輸入通道設計;以at89c51為核心的可實現采樣速率程式控制調整的微處理器系統設計;采樣數據進入pc機的dma介面電路設計; pc機與生物信號放大器之間聯系的介面電路設計;以及系統的可靠性和抗干擾設計等。
  18. Performance reliability evaluation based on exponential degradation model on condition of small sampling

    小子樣條件下基於指數退化軌道的性能可靠性評定
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