extreme-value method 中文意思是什麼
extreme-value method
解釋
極值法-
Value at risk is a tool which be widely used in application to financial risk management and regarded as extreme quantile method
風險價值（ var ）是金融風險管理中應用最廣泛的一種工具，其測量方法可以看作是一種極端分位數的方法。 -
One is the evt - based var model ( including gev model and gpd model ), the other is the quantile regression var model. secondly, i evaluate predictive performance of a selection of var models for chinese stock market data. these var models include riskmetrics method, historical simulation, monte carlo method, and the three recent models based on quantile regression and extreme value theory
本文首先重點探討了極值分佈var模型（包括廣義極值分佈和廣義帕雷托分佈兩個模型）和分位數回歸var模型；然後在此基礎上將六個var模型（包括上述三種模型、歷史模擬法、 riskmetrics方法以及蒙特卡洛法）實證應用於估計上證指數、上證180 、深證成指、深證綜指95 var和99 var ；同時採用區間預測法、損失函數法和符號檢驗法對這些var模型進行了選擇評估。 -
By means of statistical inference as well as hypothesis test method, it is determined that the variables of compressive stress and shearing stress are of extreme - value distribution and that the variables of frictional coefficient and cohesion coefficient are of logarithmic normal distribution
應用統計推理和假設檢驗方法分析得知，壓應力與切應力隨機變量呈極值型分佈，摩擦系數與粘結力系數隨機變量呈對數正態分佈。 -
This should be an incentive to apply the rrpa method with non - linear effective lagrangians to study other systems such as unstable nuclei near drip lines. for nuclei with the extreme value of n / z, low - lying collective excitations are found in isovector dipole modes, which are mainly due to the particle - hole excitation of weakly bound states near fermi surface and the isospin mixture effect
將相對論無規位相近似理論推廣應用到奇特核集體激發態的研究，發現對于奇特核的同位旋矢量激發模式在很低能量下會出現軟模式的巨偶極共振，這主要是由於費米面附近粒子-空穴激發所形成的。 -
From the study results it is showed that turret hole position near the forward of the midship has less effect to the ship girder strength and it is more reasonable using probabilty statistics method to estimate the extreme value of wave bending moment, by which the first approximate value of hull midship section modulus can be determined
研究結果表明：轉塔開孔位置在舯前附近對船體總強度影響不大；波浪彎矩極值用概率統計方法估算更為合理；船體結構剖面模數的第一近似值可用波浪彎矩設計極值等來確定。 -
According to the theory that the probabilistic distribution of seismic intensity fits extreme value type hi, a method to confirm seismic power that is pertinent to the period of expectant use is discussed. at the same time, the way to deal with seismic details is given by introducing system coefficient and coefficient factor. in summary, this paper provides engineers a seismic design method that is pertinent to the period of the building ' s expectant use
根據地震烈度的概率分佈符合極值型的理論，探討了在相同概率保證下，不同設計使用年限與設計基準期之間地震作用的關系以及不同設計使用年限與設計基準期之間抗震構造的關系，引入了對應于設計使用年限的地震作用調整系數和抗震構造折減系數及其體系影響系數和局部影響系數，發現了現行抗震鑒定標準所採用的設計使用年限。 -
Design of pll frequency synthesizer by the method of extreme value phase margin
鎖相跳頻源的極值相位裕量設計法 -
These rules consist of the total fit, the mathematics and fatigue physics, and the safety in tail predictions. an analysis of the test s - n data of 16mn steel weld joints reveals that the four models are reasonable if only considering the total fit as the conventional method did. but if by the present three rules, the appropriate models should be the normal or the extreme maximum value
根據先前提出的有限數據下良好假設分佈的確定方法，包括三個原則，即假設分佈形狀與誤差數據真實分佈形狀的一致性、預測的總體擬合效果、與疲勞失效機制的一致性和尾部預測的安全性，通過對線性均值s - n曲線擬合16mn鋼焊接頭s - n數據誤差的統計分析，說明應用一般推斷方法， 4種分佈都可合理地作為數據的統計模型，綜合考慮三原則后，極大值和正態分佈是可能的良好假設分佈。 -
New method of extreme value of function of several variables
多元函數極值的一種新方法 -
There are some creations in this paper. first, the relationship among the physical property, crystal structure, preparation method and doping content is established to be a parabola equation. the extreme value of this equation determines the optimum doping content
本論文工作的創新點在於：從半導體發光材料的晶體結構出發，建立起材料的物理性能、晶體結構中原子配位數、最佳摻雜含量和制備方法之間的關系，歸納出材料摻雜的最佳摻雜含量的理論表達式。 -
Whether there is damage in composite material or not is determined by four methods : the damage detection method based on extreme value theory, the damage detection method based on ellipse technique, the damage detection method based on four points arch technique and the damage detection method based on nerve net
研究四種損傷定位方法的原理，即:基於極值理論的損傷定位方法、基於橢圓技術的損傷定位方法、基於四點圓弧定位法的損傷定位方法、基於神經網路技術的損傷定位方法。 -
The method of judgment in quadratic form of the extreme value of multivariable function
多元函數極值和條件極值的一般判定方法 -
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測低頻信息，以提高信號的頻率解析度，而um - 71軌道信號能量集中在載頻附近，在頻域上採用極值法檢測低頻信息，即可滿足信號頻率解析度的要求。 -
So it can avoid risk of model and computer rightly the var of extreme event. this article presents the theory of extreme value and character of tail of distribution and gives the example of var with index of shanghai stock market by evt, then compares the var result of different computation methods and concludes that traditional var method is static state model and var with evt is dynamic conservative model and has the ability of forecasting risk out of sample comparing to historical simulation method
本文系統地闡述了極值理論和極值分佈特徵，以上證指數為例，將極值理論應用於風險價值的計算，並將應用結果與傳統var方法計算的結果進行了比較分析，最後得出結論：傳統的var計算模型是靜態的模型，應用極值理論計算var的模型是動態的、相對保守的模型；與歷史模擬法相比較，極值理論具有超越樣本的預測能力。 -
Based on the approach of turning some of the relevant extreme - value - type and logarithmic normal distribution variables into independent and normal random variables, the shear - slipping failure probability of a high arch dam is worked out to be of the order of magnitude of 10 ^ ( - 5 ) by means of second - order moment method
在將部分相關的極值型與對數正態分佈隨機變量轉換為獨立、正態隨機變量的基礎上，利用二階矩法計算得到某高拱壩的剪滑失效概率為10 ^ （ - 5 ）量級。 -
In the term of extreme value theory, especially, extreme distribution - ii, the 4th chapter amends power law regulation, which makes up parametric estimating problem of extreme value method. as these results, a new method to estimate var, based on laplace & extreme value - ii distribution is put forward
論文第四章，通過研究極值ii型分佈，從順序統計量的角度出發，研究極值分佈的尾部展開的一些性質，提出了一種估計極值分佈參數的方法，完善了極值理論的參數估計問題，結合實際應用提出了laplace極值混合分佈和一種估計var的新方法。 -
This method can approach local extreme value available, but it is not the optimal solution or optimal resolution
用這種方法可以有效逼近解的局部極小點，但不一定能得到最佳解或最佳的解析度。 -
Substitution of variable is a method of solving extreme value and maximum of a function, which can simplify the problem, but is subject to making mistakes, about this discussion is made and a few results are given in the paper
摘要變量代換法是求函數極值與最值的方法之一，它可使問題簡化，但也容易導致錯誤，本文對此進行了探討，並給出了幾個結論。
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