極值測度 的英文怎麼說

中文拼音 [zhí]
極值測度 英文
best worst measure
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. Taking the silicon diode as an example, through an analysis of the diode ' s current - voltage characters and the avometer circuit, the writer finds out the reasons for the differences in the amount when measuring the positive direct current equivalent resistance with different ohm grades

    摘要以硅二體為例,從二體的伏安特性及萬用表內部電路的角,分析了用指針式萬用表的不同歐姆檔位量二體的正向直流等效電阻時,其緣何不同。
  2. 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

    在對漏磁檢原理進行詳細介紹的基礎上,得出了帶偶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漏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不同時的裂紋的漏磁場分佈特徵,得出結論:影響板上缺陷漏磁場的諸因素會對柱體上缺陷漏磁場產生同樣的影響;對于多條裂紋,宜用漏磁分量bx作為缺陷識別的特徵量。
  3. The mathematical statistics method and extrema variance clustering method can be used to visible automatic classifying and reading of logging curves. the lithofacies classifying program basing on multi - mineral model analysis presents a new method to analyze logging - facies and more accuracy and visualized logging facies section can be reached by using this method. in addition, it supplies reliable lithologic layering reference for search and evaluation of oil / gas caprock and it also made up for the high cost of core - drilling and the inaccuration between lithic fragment description and depth

    採用基於「數理統計-方差聚類法」的面向對象可視化操作方法可有效地解決井曲線的可視化自動分層取問題;而基於多礦物模型分析的巖相劃分程序又提供了一種新的井相分析方法,能得到更為準確直觀的井相剖面,為尋找和評價油氣蓋層提供了可靠的巖性分層依據,同時彌補了鉆井取心費用高和錄井巖屑描述與深有誤差的缺陷。
  4. The results show that evt performs better than lognormal pdf for real data sets characterized by high indoor radon concentrations

    結果顯示理論對高氡氣濃分佈區域之預佳於一般對數常態分佈模式。 。
  5. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預預報工作的端重要性和復雜性,對傳統的地下水資源動態預方法進行了全面的評述,指出了各類預預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變系統理論相結合,探討了地下水動態資料分析和地下水資源預預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變系統理論相結合進行地表水地下水或多水源的聯合優化調,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  6. The hysteresis loops were detected, it is found that the remanent polarization and the conceive field of the ceramics deceased with the dope of ba2 +. in the composition range of mpb, the conceive field exhibit the lowest value

    試了樣品的電滯回線,發現batio _ 3的摻入有效降低了nbt基陶瓷的剩餘化強和矯頑場,在準同型相界組成點,矯頑場達到最小
  7. The place of the anomalous extremum of apparent resistivity curve is related to the position, thickness, resistivity and occurrence of geologic bodies ahead of the tunnel

    摘要在坑道電阻率超前探工作中,視電阻率異常位置與異常體位置、厚、電性以及產狀相關。
  8. By means of the echo auto - searching algorithm, the automatization of signal processing is realized. the filter algorithms are given to eliminate electric and pulse noise, the measuring reliability is improved greatly. furthermore, the accuracy of time difference measure is improved greatly by using the correlation algorithm and the wavelet algorithm

    提出的自動搜索回波演算法,實現了回波數據處理的自動化;給出的改進滾動去數字濾波演算法和濾波演算法,消除了電噪聲和脈沖噪聲,提高了量的穩定性;提出的插相關流量量演算法、小波包絡壓力量演算法大大提高了量的精
  9. Energy estimating approach of fatigue crack initiation life for welded steel structures is obtained by using molski - glinka energy density equation, introducing the worst - case fatigue notch factor, and considering the effects of residual stress on fatigue

    本文採用應力應變能密的molski - glinka方程,建立了一種預焊接鋼結構疲勞裂紋形成壽命的能量方法。該方法引入了疲勞切口系數,並考慮了焊接殘余應力對裂紋形成壽命的影響。
  10. In the fermentation, the electric resistance of the dough had no characteristic variation, and the repeatability could not satisfy the need to produce a method to judge the dough maturity

    實驗採用3種電量面團發酵過程中的電阻,結果顯示,這3種電在發酵終點時間段電阻沒有顯著的特徵變化,而且沒有達到判斷面團成熟所要求的可重復性。
  11. Based on the daily surface air temperature data from 200 stations and daily precipitation data th from 739 stations during the second half of the 20 century, schemes for analyzing climate extremes were designed mainly according to percentiles of a non - parametric distribution and the gross errors in the daily data were removed based on a newly designed quality control procedure. the spatial and temporal characteristics of change of climate extremes over china were studied, the major conclusions are summarized as : th 1. slight decrease trends were found for the 95 percentiles of daily maximum temperatures during summer, but larger increase trends were revealed for the 5th percentiles of daily minimum temperatures during winter, especially in northern china

    本文利用中國20世紀後半葉較為完整的逐日溫和降水觀資料,設計了嚴格的資料質量控制方法,以統計上的邊緣分佈的客觀定義為主要依據,確定了端溫和降水事件,研究揭示了近50年中國端氣候事件變化的規律,得到以下主要結果: 1 .全國最高溫端高略趨下降;最低溫端低升溫趨勢顯著,這種增溫在冬季、在北方最顯著。
  12. Using extremum statistical method to predict pit corrosion sizes of the pipeline in service and further to evaluate the residual strength of the pipeline has a great significance for controlling accidents of corrosive perforations, guiding pipeline rehabilitation and replacement as well as prolonging service life of pipeline

    長輸管道的腐蝕類型多為均勻腐蝕或點腐蝕,採用統計方法對在役管道的點蝕尺寸進行預,進而評價管道的剩餘強,對于控制管道的腐蝕穿孔事故、指導管道的修復更換、延長管道的使用壽命具有重要意義。
  13. In regards to techniques employed in active asset allocation, the author found that models applied in asset allocation can be divided into the optimal mean - variance model and risk averse asset allocation model, according to their different risk levels, and they can also be divided into linear asset allocation model and non - linear asset allocation model according to whether the asset return follows a normal distribution

    關于積資產配置的技術,作者研究結論認為,積資產配置模型按對風險的不同標準可區分為,均方差最優化框架下的資產配置模型和下偏風險厭惡框架下的資產配置模型兩類;按是否假定資產收益服從正態分佈,可區分為線性資產配置模型和非線性資產配置模型。
  14. Based on modern optimization theory and optimal control theory, this dissertation studies some questions as follows : 1. the optimization model of parameter identification of three - dimensional geologic history numerical simulation, algorithm and its application geologic history numerical simulation is a basic content of basin numerical simulation, and the porosity is the major parameter in the evolution and development process of oil - bearing basin. according to the sedimentation and burial mechanism, the physical and chemical principles of oil geology, the mudstone porosity ' s non - linear parabolic partial differential equation has been established

    本文應用現代最優化及最優控制理論,對如下一些問題進行了研究: 1 、三維地史數模擬的參數辨識優化模型、演算法及應用地史模擬是盆地數模擬的一個基礎性的研究內容,地層孔隙是含油氣盆地地史演化發育過程中的重要參數,根據地層沉積埋藏機理和石油地質的物理化學原理,通過引入數學物理方程概念,建立了泥巖三維孔隙場方程,根據問題的特點,給出了方程的定解條件,對方程的動邊界也給出了處理方法,並且證明了解的存在性與惟一性,在此基礎上建立了以當今實數據為擬合準則的三維地史數模擬的參數辨識優化模型,這是一個含有二階偏微分方程約束的泛函問題。
  15. Eecept for exordium this paper is divided into four parts : firstly, this thesis introduces the basic concept and connotation of risk and market risk. it illustrates the basic process of market risk management over all which consists of the discrimination of market risk, the measurement of market risk, the sensitivity analysis of market risk, extreme value analysis of market risk, the treatment and the inspection of market risk. afterwards it analyzes the necessity that the asset management department of security company carries out market risk management and it also analyzes the current situation of market risk management of management department of security company

    從文章結構來看,除緒論以外,本文共分四部分:本文首先介紹了風險和市場風險及市場風險管理的基本概念和內涵,並從總體上給出了市場風險管理的基本過程,其包括市場風險的辨識、市場風險的量、市場風險的靈敏分析、市場風險的分析、市場風險的處理和市場風險的監管等,然後分析了我,國券商資產管理業務進行市場風險管理的必要性,及目前市場風險管理的現狀。
  16. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性能和交通特徵的調查入手,從疲勞特性和限強出發分析了路面早期破損的原因,全面系統地進行了交通參數的分析,提出了當量軸次增長率、季節修正系數和超載系數的概念和方法,並提出了重載交通的軸載換算方法。在此基礎上,針對超載、重載交通從結構組合設計、結構厚計算(包括疲勞強標準和限強標準)等方面提出了適宜的瀝青路面結構設計方法,並結合工程實,說明了結構層厚計算的具體步驟,最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明,本文提出的路面結構型式合理、設計方法可靠,能適應目前重載、超載交通的狀況,具有較高理論與實用價
  17. Since the energy of 18 - information track signal is concentrated around upper frequency and lower frequency, the frequency of the modulation signal is low, and it must have high resolution, we use zfft to detect it. as the energy of um - 71 signal is more concentrated, we use extreme value method to detect the frequency of modulation signal in frequency domain, which can satisfy the frequency resolution

    針對18信息軌道信號能量集中在上、下邊頻附近且低頻信息頻率低的情況,提出了用zoom - fft ( zoom指頻率擴展或細化,簡稱zfft )演算法進行信號的局部放大檢低頻信息,以提高信號的頻率解析,而um - 71軌道信號能量集中在載頻附近,在頻域上採用法檢低頻信息,即可滿足信號頻率解析的要求。
  18. Limit theorems for the integrals of scalar valued functions with respect to a set valued measure

    函數關于集的積分的限定理
  19. Based on the analysis of experimental data from actual engineering, corrosion distribution law of general corrosion was found to follow the lognormal distribution through k - s test, while the localized corrosion follows the extreme distribution of type

    根據工程實際檢數據的統計分析,通過k - s檢驗得出了均勻腐蝕深服從對數正態分佈,局部腐蝕深服從型分佈的規律。
  20. Edge detection and contour tracking are very important in computer vision. because the single pixel edges are needed in computer vision, an algorithm of edge detection and contour tracking is proposed using the good local character and multi - scale character of wavelet transform in the dissertation. the fuzzy algorithm is applied to pick the model maximum points, so that the single pixel edge can be obtained

    邊緣檢和輪廓跟蹤在計算機視覺中有著重要的地位,利用小波變換良好的時頻域局部化特性和多尺特性,針對計算機視覺中需要提取單像素的點線等邊緣的需求,本文提出了一種基於小波變換的邊緣檢和輪廓跟蹤演算法,通過真正的邊緣點是模的局部點這一特點,應用模糊演算法對模點進一步篩選得到單像素級的邊緣,並在邊緣跟蹤時,有效利用原圖像的信息,通過在小鄰域內尋找局部峰對丟失弱邊緣進行了補償。
分享友人