指數估演算法 的英文怎麼說

中文拼音 [zhǐshǔgūyǎnsuànfǎ]
指數估演算法 英文
estimating method of index
  • 指 : 指構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 估 : 估構詞成分。
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 指數 : 1. [經] （比數） index number; index 2. [數學] exponent
  1. An iterative method to estimate hurst index of self - similar network traffic

    指數的迭代估計演算法
  2. The main works as the following : r / s analysis is introduced to improve wavelet - generalized least squares ( wls ) in order to increase the estimate accuracy of the hurst exponent

    本文的主要工作和創新點如下：提出了一種針對wls （ wavelet - generalizedleastsquares ）的ar模型法的改進演算法。引入r s分析法對wls法進行改進，以提高hurst指數估計精度及濾波效果。
  3. Tricepstrum equalization algorithm ( btea ) and super - exponential ( se ) algorithm based on block data estimation is studied, and these algorithms use hos explicitly. their performance, such as estimation variance and bias, is analyzed. a kind of sparse cross cumulant and sparse equalizer is proposed to simplify the se algorithm, and the simulating results show efficient reduction in complication

    ?研究了幾種直接使用高階統計量的演算法，包括基於數據段估計的倒三譜演算法和超指數演算法，分析了演算法的估計方差和偏差等性能；由於超指數演算法計算量較大，不利於實時均衡，利用水聲通道的稀疏性，提出了一種基於稀疏互四階累積量和稀疏權的演算法，有效降低了超指數演算法的計算量。
  4. Firstly, the mathematical method, wavelet transform of random error processing and kalman filtering algorithm of system error estimation, is designated ; the process of development of wavelet transform and its present research is recommended ; and, the definition and development situation of real - time data processing and post - flight data processing of trajectory measurement data is summarized briefly

    首先指出了應用的數學方法，即處理隨機誤差的小波變換方法和估計系統誤差的kalman濾波演算法;介紹了小波變換方法的發展過程和國內外的研究現狀;綜述了彈道測量數據的實時數據處理和事後數據處理的概念和發展狀況。
  5. In view of the fact that the genetic algorithm of stochastic programming based on random simulated technology has succeed greatly, this paper points out that changing parameters of genetic algorithm can obtain a sequence of optimum values of goal function. taking these genetic algorithm values as sampling data, we can get fitting optimum function by using multivariate spline regression and get the lipschitzs constant of the fitting optimum function. so for any chance constrained programming problem, we can get its interval estimate

    鑒于基於隨機模擬技術的遺傳演算法在求解隨機規劃問題上的優越性，本文指出，改變遺傳演算法的參數條件，在此基礎上求得機會約束規劃的若干個最優值，以這些最優值為樣本點，利用多元樣條回歸，擬合得到最優值函數，進而求出最優值函數的lipschitzs常數，從而對于任一機會約束規劃問題，都可以得到它的一個區間估計。
  6. The analysis and design class diagram are given. the sequence indication stochastic simulation algorithm based on indicator kriging is realized. the algorithm applies to discrete and continuous variable has no restrict to data distribution

    系統給出了沉積相隨機建模的分析類圖和設計類圖，實現了基於指示克里金估計的序貫指示隨機模擬演算法，該演算法對離散數據和連續數據都適用，不要求數據的分佈特徵，可以較好的模擬相特徵。
  7. Fortunately, we can solve this problem by using ap ( alternating projection ) algorithm, by this way ; the computational load can reduce dramatically. doa estimation is mostly research base on linear array, because of the limitation of linear, it can estimate the azimuth only ; solid array can estimate the azimuth and elevation, in this paper, the solid array is used for doa estimation ; when the signal sources are uncorrelated, the music algorithm is chosen, using mdl / aic algorithm, we attain the signal number of sources

    本文採用立體六元陣進行測向，在非相干信號源條件下，採用music演算法進行doa估計，採用基於信息論原理mdl準則或者aic準則判斷信號源數目，通過對陣列流形的研究，指出基於圓陣的陣列流形具有的某種對稱性，利用該對稱性來降低運算量，並且通過對演算法的研究，提出用維數較小的信號子空間或噪聲子空間來計算空間譜，進一步減小music演算法運算量。
  8. 3. feature extraction of time series based on chaos theory is explored, which include the problem of temporal correlation in correlation dimension method, the robust method to evaluate the maximum lyapunov exponents, the extraction of generalised dimensions and the evaluation of h2 entropy of time series

    研究了時間序列的混沌特徵參數提取方法。包括關聯維數演算法中的時間相關、最大lyapunov指數的穩健估計演算法以及廣義維數和時間序列熵h _ 2的估計問題。
  9. In this paper, we analyzed the theory of several linear methods for the pole extraction, such as prony method, kt method and matrix pencil method. then, numerous results based on scattering responses synthesized from weighted sums of two exponentially damped sinusoids are provided to compare theirs performance

    本文主要分析了幾種極點求解線性演算法? ? prony法、 kt法、矩陣束法的基本原理，並比較了這幾種演算法對于只含兩個指數衰減信號模型參數估計的模擬結果。
  10. It is found ecn could n ' t solve the problem that the sender responds to congestion slowly, and the average queue length of router is sensitive to the static parameters of ecn. in chapter four we propose an algorithm called fecn, which provides congestion control and indication messages in router, so that the sender could response to congestion in good time. this algorithm can also adjust the max drop probability according to the active conne

    Ik的特性，而且平均隊列長度和網路吞吐量對ecn的靜態參數較為敏感，因此本文在第4章中提出了一種fecn演算法，該演算法在路山器處提供擁塞控制和指示機制，使源端能夠快速響應路由器發回的擁塞指示消息，調整發送速率，避兔擁塞的發生，該演算法還可以通過估計鏈路中的活動連接數動態調整最大丟棄概率。
  11. In this paper, some experiments about the algorithms and decline models above using test performance data of teflon type coat materials gained by the simulated radiation experiments are presented, and some comparative experiments are presented. compare the experimental results with the prediction result of international simple exp model and the actual experiment data among nine years in america. at the same time, do universal compares of experimental results with test data, which are obtained with various models and algorithms and different radiation time

    接著本文通過採用美國teflon型塗層材料較短輻照時間所得試驗數據進行參數估計和建模預測，並把實驗結果和國際通常採用的簡單指數模型的預測結果以及美國9年時間跨度的實際試驗數據進行了比較，同時還對同一種模型以及同一種演算法採用不同輻照時間段對應的試驗數據所得實驗結果進行了多項比較。
  12. In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression

    首先分析了經典的非參數法，對於四種具有代表性的核，從前述的三個性能評價方面做了分析和對比，指出了其速度快的優點和對非平穩圖像適應性差的弱點，針對非參數法的弱點，重點研究了對非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型，在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區域快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路線演算法，突破了空域濾波路線上區域相鄰的限制;在這些研究的基礎上實現了快速卡爾曼估計，實驗驗證了該方法相對逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像，由此建立了殘余圖像的雙參數拉普拉斯模型，實驗表明其可以完好的吻合殘余圖像的概率密度曲線。
  13. Secondly, we study combat decision algorithm based on data link in three dimensional space and consider a new decision model to do the more effective situation evaluation

    其次研究了數據鏈指揮下基於三維空間的空戰決策演算法，並重新考慮了決策模型以進行更為有效的態勢評估。
  14. The third problem analyzed is safety evaluation of embankment slope stability, the genetic algorithm is used to find the minimum safety factor coupled with the minimum reliability index

    第三個分析的問題是堤壩邊坡穩定性安全評估問題，應用遺傳演算法尋優最小安全系數和最小可靠指標。
  15. In chapter 6 we research on a denoising technique through shrinking the wavelet coefficients adaptively, then fuzzy membership in fuzzy mathematics is introduced to put forward wavelet fuzzy snr to evaluate quality of sar images based on it. experiment results and academic analyses show its efficiency

    第六章研究了小波系數自適應收縮演算法抑制斑點噪聲，在此基礎上引入模糊數學中隸屬度的概念，提出了一種新的評估sar圖像質量的指標一小波模糊信噪比。
  16. Especially, in the latter model, the matched degree of system space and mission is taken as standards. and we also establish an index system and a model of c4isr system efficiency analysis correspondingly. after then some methods and algorithms are introduced, which include the principles and the method of choosing efficiency index and parameter index, the method of index filtering, the method of determining index function relation, the revising algorithm of ahp weight and the sort algorithm of judgment matrix

    作者對國內外c ~ 4isr系統效能分析的主要方法進行了比較分析，提出了一種以指標體系為基礎的層次效能評估靜態模型和以系統空間與使命的匹配程度為目標的動態評估模型相結合的評估思想，建立了c ~ 4isr效能分析指標體系與模型，給出了性能指標與參量指標選取的原則與方法、指標篩選方法以及指標函數關系的確定方法、 ahp的權值修正演算法、含灰元的判斷矩陣排序演算法等。
  17. Then, using recursive arithmetic calculated reliability indices for directory tree, the method was realized by vb program ; the other is a method of reliability evaluation by interval arithmetic, which is the use of interval arithmetic to evaluate reliability, and the computation theory is also given. during the calculation, interval number replaced the component " s parameter and it takes into consideration the uncertainty of all of the parameters. in the study of power distribution system configuration, a new configuration model is set up which takes into account simultaneously the losses minimization and system reliability, then improved genetic arithmetic is described detail and of advantage for solving this problem

    在配電網可靠性評估的研究中，提出了兩種實用的配電網可靠性評估方法：其一是利用網路分層和遞歸演算法理論，使用高級語言進行程序設計，提出了一種基於vb編程的配電網可靠性評估方法，該方法通過程序實現了網路拓撲結構的分層等效和可靠性指標的遞歸計算，使整個計算過程得到了簡化，並且界面窗口的可視化，使得評估過程便捷、形象；其二是提出了一種基於區間演算法的配電網可靠性評估方法，該方法是一種利用區間理論計算配電系統可靠性的不確定性評估方法；文章給出了區間運算的原理；討論了配電系統中區間數據的來源途徑，並用區間數代替元件的可靠性參數，對輻射形配電網進行了可靠性評估。
  18. Using the f - ahp model algorithms that based on fuzzy number and interval arithmetic solve the multi - attributes and fuzzy problems of agricultural project appraisal. using entropy weight ranking of f - ahp is more efficiency. using a - cut and index of optimism x. estimate the uncertainty and preference of decision makers

    用基於模糊數、區間數運演算法則的f - ahp模型解決了農業項目投資評估的多屬性及模糊性問題；採用熵權使得排序更加科學；通過置信度與樂觀指數考慮了不確定性及決策者的風險態度。
  19. Based on the reality of commercial banks in china at present, a credit risk assessment model is built based on the analysis frame of decision tree c4. 5 algorithm

    摘要結合我國商業銀行的實際，基於數據挖掘中決策樹c4 . 5演算法的分析框架建立了商業銀行的信用風險評估模型，通過此模型可以根據貸款企業的財務指標，得出企業是否違約的分類。
  20. The second chapter defines the concept of basic point 、 polar point 、 best polar point 、 stable polar point 、 degenerate polar point and non - degenerate polar point. it also points out that this algorithm theory is discussed under the degenerate complexion that is : ， ， then call is non - degenerate polar point. it also discussed the solution of the best polar point and put forward this quick algorithm theory and prove its convergence under all polar points are non - degenerate polar points

    第二章定義了基點、極點、最優極點、穩定極點、退化極點和非退化極點等概念，最後指明本演算法理論討論的基礎是基於非退化情況，即： ，其維數，則稱為非退化極點，本文就是要在模型中所有極點都是非退化極點的情況下討論最優極點的求解，並提出和證明了本文快速演算法理論和收斂性，同時得到一個有意義的結論：穩定極點就是最小一乘估計。
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