漏測值 的英文怎麼說

中文拼音 [lóuzhí]
漏測值 英文
missing value
  • : Ⅰ動詞1 (從孔或縫中滴下、透出或掉出) leak; drip 2 (泄漏) divulge; disclose; leak 3 (遺漏) le...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  1. The approximation analysis result of band dipole model is obtained on the basis of the theory of mfl. the electromagnetic distribution feature of the defect in the steel panel is studied by means of simulation. the leakage magnetic distribution of the two defects and four defects plural and the defects in the column differently in the width are also assayed. conclusions that factors affecting flaw magnetic leakage to the panel also affect the column and magnetic leakage bx should be the feature of the flaw identification to several flaws are drawn

    在對磁檢原理進行詳細介紹的基礎上,得出了帶偶極子模型的近似解析解,並以有限元數模擬分析為主要手段,以鋼板上缺陷為對象,分析了各因素對缺陷磁場產生影響的不同規律,同時模擬分析了板上平行的兩條裂紋,四條裂紋以及柱體上寬度不同時的裂紋的磁場分佈特徵,得出結論:影響板上缺陷磁場的諸因素會對柱體上缺陷磁場產生同樣的影響;對于多條裂紋,宜用磁分量bx作為缺陷識別的特徵量。
  2. Research of thermal engineering performance test facilities for refrigerated containers - the test standards and methods are deeply analyzed. airtightness test, heat leakage test and performance test ( with refrigeration unit ) are done on the developed test facilities. the process of the experiment system, used hi measuring the thermal engineering properties of refrigerated containers, is thoroughly discussed

    氣密性實驗結果顯示,箱內、外的溫度波動范圍處於15 25之間,箱內、外的壓差處於250 10pa范圍內,平均氣率為2 . 38 ( m / h ) ,遠遠低於極限10 ( m / h ) ,被試的冷藏集裝箱的氣密性符合規范要求。
  3. Testing of hollow bodies by internal pressure ; leak detection up to a certain pressure value ; general specifications

    空心體的內壓力試驗.達到一定內壓力的滲.一
  4. Measurement of mine surface air leakage rate with equivalent method

    定礦井外部風率
  5. With non - destructive testing technique ( ndt tech ), such as sound wave, electromagnetic and laser scanning, and at the same time, from the prevention - treatment ideas of tunnel health as the springboard, the healing technique is developed with pertinence to leakage and crack damage of the underground engineering supporting structure, and it has important practical value to guide the engineering practice

    結合目前主要的聲波、電磁波和激光掃面等無損檢技術,從隨道健康的防治理念出發,開發了針對地下支護結構滲與裂損的康復技術,對指導工程實踐具有重要的實用價
  6. In numeral simulation of passive neutron detection, it is proposed to use the iterative calculation in analyzing the neutron multiplication in nuclear warhead. on this basis, the mass of the plutonium pit could be obtained under some conditions

    在被動中子探模擬中,提出在確定了核彈頭的泄中子計數后,採用迭代方法計算中子在核彈頭模型中的增殖,由此在一定條件下可實施核彈頭質量屬性的反演。
  7. Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. because the geometric, of the magnetic leakage at the direction of the normal of the roundness fault has the feature of two peaks : a positive and a negative, using the linear regression and the software matlab, two regression equation are proposed : one is about the peak value of the magnetic leakage and the diameter and depth of the roundness fault ; the other is the distance between the two peaks and the diameter of the roundness fault. the result of the validation system proves that the two equations are valid, and an applied method using for quantificationally inspecting the roundness faults is proposed according to the two equations

    根據實驗要求,通過對鋼板達到飽和磁化的必要性進行的分析,設計了符合試驗條件的勵磁磁路,並設計了一套實驗驗證系統;根據圓形缺陷法線分量磁場幾何圖形正負雙峰的特點,採用線性回歸擬合的原理和matlab軟體及其統計工具箱中的相關函數,給出了圓形缺陷磁場幾何圖形的峰峰與圓形缺陷的直徑和深度以及峰峰間距與圓形缺陷直徑的兩個回歸擬合方程,並通過實驗驗證系統驗證了擬合方程的正確性,利用這兩個簡單實用的擬合方程,提出了一種工程定量檢圓形缺陷的應用方案。
  8. ( 4 ) soil water flow was simulated by macro model and soil nitrate transport was simulated by coupmodel. part of soil layer ' s simulated results fitted well compared with the measured values. the water percolation amount simulated with considering macro - pore was 60

    ( 4 )用macro模型模擬水過程, coupmodel模型模擬氮素轉化過程,部分土層水、氮的模擬結果和實較吻合,考慮大孔隙時模擬得到土壤水的滲量較不考慮時高60 . 50 ,土壤硝酸鹽淋洗量占施肥量30 . 87 ,比不考慮時高。
  9. The ids works by two way, misuse detection and anomaly detection, misuse detection flags an intrusion on intrusion signature, this kind of detecting technic can be realized much more easily, and much more accurate, but it can not find some intrusiones that have been disguised or new kinds of intrusion. the anomaly detection can detect in more wide field, anomaly detection can compare new statistic data with average record, then anomaly record will be found, but it ' s more difficult to set a threshold, if the threshold is too big, some intrusion may be put through, if the threshold is too small, the ids will give more false positive alarm, and the threshold will be different with different people or different period, so the ids just simply show us their suspicious record, the administrator or expert will be in duty to analyze this record and give conclusion, the ids give more alarm than it should, leave us more detection record to analyze, and this is a hard work, we can not distinguish an intrusion or not if we analyze only one record, but we can judge if we find the relation among mass detection evidence. in this article, we try distinguish an intrusion using d - s theory ( proof theory ) instead using manual work, the ids will be more helpful and efficient

    濫用檢採用的是特徵檢的方法,實現較為簡單,判斷的準確性較高,但是不能判斷一些經過偽裝的入侵或特徵庫中尚未包含的入侵,異常檢能夠根據以往記錄的特徵平均,判斷出異常情況,但是對于異常到什麼程度才視為入侵,這個閥非常難以確定,閥設定的太高,有可能過真正的入侵,如果設定的閥太低,又會產生較高的誤警率,而且這個閥因人而異,因時而異,因此現在的入侵檢系統把這部分異常記錄以一定的形式顯示出來或通知管理人員,交給管理人員去判斷,而這些ids系統難以判斷的記錄,如果對每個證據單獨地進行觀察,可能是難以判斷是否是入侵,而把許多先後證據關聯起來,專家或管理人員根據經驗能夠判斷訪問的合法性,本文試圖引入人工智慧中證據理論的推理策略和示例學習方法,代替人工檢查分析,可以提高效率,降低誤警率,並可以對一個正在進行得可疑訪問實現實時檢,通過搜索及時判斷,及時阻斷非法訪問,比事後得人工處理更有意義。
  10. In particular, the x - ray and y - ray detectors made from cdo. 9zno. 1te are able to reduce the leakage current and improve the efficiency for detection of radiation. besides, this mateial can work at room temperature for the applications of nuclear detector

    特別是採用高阻cd _ ( 0 . 9 ) zn _ ( 0 . 1 ) te晶體制備的x射線及射線探器具有低的電流和高的探效率,能夠在室溫下穩定工作,是最有前途的探器用材料。
  11. So power systems harmonic analysis is a significant aspect of power systems research. power system harmonic analysis was realized usually with fast fourier transform ( fft ), but the method exits spectrum leakage, and can not analyse all harmonic parameters exactly, such as frequency, amplitude and phase, in particular has big phase error

    電力系統諧波分析通常都是通過快速傅立葉變換( fft )實現的,但是這種方法存在柵欄效應和頻譜泄,使計算出的諧波參數即頻率、幅和相位不準,尤其是相位誤差很大,無法滿足準確的諧波量要求。
  12. The paper also introduces the design of the high - voltage test and leak test instruments and the key unit circuit such as rms measure, ad conversion, hardware protect. the paper explores the high - voltage ac power further

    還具體介紹了耐壓泄試儀的工作原理及具體設計方案,採用了軟硬體模塊化的設計方法,加快了儀器的開發進度,對其中主要電路:有效試、 ad轉換和硬體保護電路進行了介紹。
  13. Therefore, leakage current measurement on flashover process during the insulators icing has both important academic meaning and engineering value

    因此,對覆冰閃絡過程中泄電流的檢具有非常重要的工程應用價和學術意義。
  14. The results indicated that the monitoring wire rope fatigue damage by using mfl is potentially worthwhile to develop

    研究結果表明:利用磁通監鋼絲繩的疲勞損傷有潛在的工程開發價
  15. Investigation of the theories and technologies of leak detection, precisely locating the leak is significant in maintaining the safely running of pipeline and avoiding waste of resource

    研究管道泄的檢理論、檢方法,實現對管道泄點的精確定位,對于維護管網的安全運行,避免資源的浪費,有著重要的理論意義和應用價
  16. Built up numerical simulation model of ufad system with single heat and pollutant source, adopted fluent software to study distribution of temperature 、 velocity and contamination ’ concentration, and changes of heat lamination height when temperature and velocity of air - in and surface temperature of heat source were changed and when the leakage of air - in plenum was considered or not. and compared and verified the simulation results with experimental testing data

    建立了單一熱污染源地板送風的數模擬模型,採用fluent軟體研究送風溫度、送風速度、熱源表面溫度的變化及有無考慮送風靜壓層的風時,室內溫度、速度和污染物濃度分佈以及熱力分層高度的變化,並與實分析進行了對比驗證。
  17. 2. to explore and optimize the experimental conditions, such as ionic concentration and ph value, which markedly influenced the detection system of the lsaw biosensor in liquid phase

    2 .探索並優化液相中na +濃度、 ph等多種因素對聲表面波生物傳感器液相檢系統的影響。
  18. During the experiments, a scanning device with high - order accuracy ( planar 2 - d positioning ) was designed to help realize exactly positioning measurement of mfl of specimens. the driving circuit of scanning device was designed

    為實現泄磁場數的精確定位量,自製了高精度的掃描架及其驅動電路,並將其與弱磁場量設備高斯計相配合。
  19. The nonlinear interpolation method is used to compensate the influence of pipe grade and pipe material property ; tool velocity effects are compensated by the fourier transformation and optimal filter theory

    研究用非線性插技術對管道厚度和材質的影響進行補償,實現了用傅立葉變換和最優濾波方法來消除檢儀移動速度對磁信號的影響,並取得了實驗驗證。
  20. The intelligent inspection system of pipeline is established and the project database is designed, the interpolation and signature map of defect mfl signal data are solved effectively, the feature automatic extraction and intelligent evaluation of geometric parameters of the defects are shown and proved practical ; the whole process of pipeline inspection are given step by step, these results and conclusions help improve the pipe defect recognition and solve some difficult problems in the field of pipeline mfl inspection

    建立了管道(鋼管)缺陷磁法智能檢和數據分析系統,設計了系統工程數據庫,實現了缺陷磁場數據的插和圖像處理,完成了缺陷磁場特徵自動提取和缺陷外形尺寸的智能識別,給出了管道缺陷磁檢的整個步驟和過程。這一切解決了國內管道磁檢的定量化、智能化的難題,補充了國外管道磁檢的不足。
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