最概差 的英文怎麼說
中文拼音 [zuìgàichā]
最概差
英文
most probable error-
And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。English, french, spanish, portugese, georges, and louises, doubloons and double guineas and moindores and sequins, the pictures of all the kings of europe for the last hundred years, strange oriental pieces stamped with what looked like wisps of string or bits of spider s web, round pieces and square pieces, and pieces bored through the middle, as if to wear them round your neck - nearly every variety of money in the world must, i thin, have found a place in that collection ; and for number, i am sure they were like autumn leaves, so that my back ached with stooping and my fingers with sorting them out
其中有英國的金基尼雙基尼，法國的金路易，西班牙的杜布，葡萄牙的姆瓦多，威尼斯的塞肯，有最近一百年歐洲各國君主的頭像，有古怪的東方貨幣，上面像是縷縷細繩張張蛛網有圓的有方的，有中間帶孔的，好像可以串起來掛在脖子上。我估計差不多世界上每一種貨幣都被搜羅全了。至於數量，我相信大概跟秋天的落葉一樣多，我總是彎著腰，手不斷地整理著，一天下來弄得疲憊不堪。Investors produce biases systematically in their decision making. debont and thaler believe that overconfidence is one of human being ’ s most stable psychological characteristics and their evidences show that people are overconfident of the probabilities of occurrences of uncertain events in their decision making
投資者系統性決策偏差比較多， debont和thaler認為過度自信是人類最為穩定的心理特性，他們列舉了度量的證據顯示人們在做決策時，對不確定性事件發生的概率的估計過于自信。We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given
當0時，眾多文獻討論了回歸系數陣的各種估計及lse的有效性，本文考慮了當0的情形，給出了回歸系數陣b及其可估參數函數kbl的在矩陣非負定意義下的最優估計（ blue ） ，研究了它的一個最大概率性質，並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件，在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計，定義了lse相對于blue的一個相對效率，並給出了它的界。Turbo codes represent the new code structures, which consist of pccc ( parallel serially convolutional code ) and sccc ( serially concatenated convolutional code ). in this paper, the background of turbo codes are firstly introduced, which includes the base principle of error correction code 、 block code and convolutional code ; the principle of turbo code and the iterative decoding is secondly expanded ; the key decoding algorithm : a revised map algorithm and iterative decoding theory are detailed ; then, a new turbo code structure : hccc ( hybrid concatenated convolutional code ) is presented, and the capacity of this code method is analyzed, the average capacity upper bound is derived ; at last, this code is simulated on awgn ( additive white gaussian noise ) channel and rayleigh fading channel
本文首先介紹了turbo碼的背景知識，包括差錯控制的基本原理、分組碼和卷積碼；然後闡述了turbo碼的基本原理，包括turbo編譯碼器結構及迭代譯碼原理；較為詳細地描述了關鍵的譯碼演算法： ?種改進的最大后驗概率（ map ）譯碼演算法及迭代譯碼演算法；提出了一種新的turbo碼結構：混合turbo碼（混合級聯卷積碼） ；並用編碼性能聯合界分析方法對混合turbo碼進行了性能分析，得出了其平均性能上界；並在高斯白噪聲通道和瑞利衰落通道上分別作了一些應用研究及計算機模擬實驗。Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles
其次，採用成組試驗法，對汽車前橋進行了疲勞壽命試驗，藉助概率統計方法對試驗結果進行了分析計算，得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差，採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合，得到了前橋的s - n和p - s - n的關系。Another advantage, contrast to using convolutional codes or turbo codes, is its low complexity while maintain high ber performance because the check equations are used to terminate the both iterations. we develop the theoretical error free feedback bound for bpcm - id and predict the threshold for decder convergence using the extrinsic information ransfer chart ( exit )
利用非正則ldpc具有不同度的信息節點概率密度演化的差異，對高階星座中具有較高級別的子通道提供額外的保護，可使迭代反饋判決時，星座子集擁有最大的無錯反饋歐氏距離調和均值，從而改善系統的迭代收斂特性。The concept called parallel macro - micro robot is presented. two kinds of optimal disposing methods of the cables ? tensions are used to build the inverse kinematics model of cable and cabin system. the error compensation model of the fine tuning stewart platform is deduced
本章提出了並聯宏-微機器人的概念及基於懸索張力均勻原則和懸索系統勢能最小原則的兩種索張力優化配置方案，並在此基礎上建立了並聯懸索系統的逆運動學模型，推導了動基座stewart平臺的誤差補償模型。The new ways that solve multiple objectives decision making under risk into probability permanent type : decision making diagram method, matrix analysis method, multiple objectives markov method, the shortest distance method, successive type variation multiple objectives decision making under risk method and fuzzy analysis decision making method. 3. the new modes that solve multiple objectives decision making under risk into probability interval type and uncharted type : weighted method and sorting method 4 the new repent average value criterion that handle multiple objectives decision making under risk into probability uncharted type and generalizing the criterions that have been used into one objective decision making under probability into uncharted type to multiple objectives decision making under probability into uncharted type. 5. giving the error analyses method and decision result regulating method that been used into multiple objectives decision making under risk
2 、探討了『決策圖法』 、 『矩陣法』 、 『多目標馬爾科夫法』 、 『最小距離法』 、 『連續型變量的多目標風險型決策法』和『模糊分析決策法』等解決概率固定型的多目標風險型決策的新方法。 3 、探討了『加權法』 、 『排序法』兩種解決概率區間型和未知型的多目標風險型決策的方法； 4 、在概率未知型的多目標風險型決策中改進了『後悔值準則』 ，提出了『後悔均值準則』 ；並將單目標概率未知型風險型決策的準則推廣運用到多目標概率未知型的風險型決策中去； 5 、探討了多目標風險型決策方法誤差分析及決策結果值調整的方法。Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target
本文主要完成了以下幾個方面的工作：對導彈可發射區和飛機可攻擊區進行建模，通過對導彈彈道的模擬計算，並運用典型的圓概率偏差精度分析方法，詳細討論了飛機實施攻擊時，飛機的飛行高度h 、速度v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響；因此，將飛機和導彈結合起來，詳細研究了飛機在垂直平面和水平平面內實施攻擊時，飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響；以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果；最後給出典型算例，通過對空地攻擊過程的模擬實現，對飛機飛行過載提出要求。The probability density function of net rainfall relative errors, flood peak discharge relative errors and the time error of the forecasted flood peak are calculated by the model developed
通過建立洪水預報誤差分佈的最大摘模型，計算出9座典型水庫洪水預報的凈雨相對誤差、洪峰流量相對誤差和峰現時間預報誤差的概率密度函數，並將其概率密度函數曲線與正態分佈曲線進行比較。The main body, which includes 5 parts : in the conception section, first, it reknew the conception of both culture tourism and marketing position, in order to clear the concept and made it a guide of the whole article ; in the marketing section, next, it has studied on the world tourism market for its developing tendency and distinctive feature. it analyzed the present conditions of chongqing cultural market and also made prediction about it ; third, in the resources section, in the light of diversity, this part made a clear classification on chongqing cultural resources according to their characteristics ; the fourth part, in the product section, it give a position analysis about two things : the overall image, and the products of chongqing cultural tourism, and also made correlative strategies of them ; in the communicating section, fmally, it is mainly about how to communicate with tourism consumers, how to build up a good image of cq cultural tourism in their minds, and let them have a good understanding
正文部分分為五個問題進行論述：首先對文化旅遊與市場定位的定義進行了重新認識，以求清晰概念，指導研究；第二，對世界旅遊市場發展的趨勢、特點和重慶地區文化旅遊市場發育現狀及開發前景進行分析和預測；第三，以差異化為劃分依據，對重慶地區的人文旅遊資源按其資源特色進行歸類簡括梳理：第四，對重慶文化旅遊的總體形象與重慶文化旅遊產品進行定位分析，提出了形象概念和產品定位的相關策略；最後，對如何利用有效溝通手段，在旅遊消費者心目中建立對重慶文化旅遊形象與重慶文化旅遊產品的良好認知，進行具體分析。On the base of putting forward the concept of security and intensive aquiculture, the thesis recounted the basic principles, property characters and requirements of security and intensive aquiculture ; then analysed the relationship and main gap between traditional aquiculture and security and intensive aquiculture on methodology ; finally discussed the endeavor aspect of security and intensive aquiculture in china
摘要在提出安全養殖概念的基礎上，著重敘述了安全精養的基本原理、屬性、特徵和要求，分析了傳統精養與安全精養間在養殖觀和方法論層面上的關聯及主要差距，最後就我國水產安全精養的努力方向進行了探討。The error criterion is derived from rotation vector concept directly. in the coning motion environment, a class of rotation vector optimal algorithms are derived and evaluated with the rule of making sure of the minimum coning error. 3
從旋轉矢量的概念出發，推導了演算法的精度準則，在典型的高動態環境? ?錐運動作為輸入條件下，以使錐誤差最小為原則，推導了旋轉矢量各階子樣演算法及其優化演算法，並與傳統的四元數演算法進行了比較； 3A suboptimal decision fusion scheme that minimize the probability of error at the fusion center is presented, it consists of a minimum - error - probability ( mep ) test at the fusion center and likelihood ration tests at the sensors
提出了一種能將聚變中心誤差概率降至最低的次優化聚變解決方案，它由聚變中心的最少誤差概率（ mep ）試驗和傳感器的可能定量試驗組成。The adaptation processing includes linear prediction coefficient adaptation and adaptation of quantization step size for residual signals. based on g. 726, we adopt a huffman coder to make use of probability statistic of bit cascade covering n ( n 1 ) samples generated from adpcm, in order to further reduce the bit rate. ng is lossless entropy coding, the speech quality of our improved algorithm should be same as that of g. 726 standard
我們的研究和改進工作包括:研究最優非均勻自適應量化器，及其自適應演算法;研究波形預測函數，以及函數零點、極點的自適應演算法;基於每n （ n 1 ）個樣本所對應符號的概率統計，對預測殘差量化值再進行huffman編碼，進一步降低比特率。The differential probability and linear probability is defined and the approximation expression to compute the maximum differential and linear probability of while spn ' s from the single round ' s differential and linear probability is presented
對于目前最常用的差分分析和線性分析方法我們首先給出了差分概率和線性概率的定義，同時也給出了由單輪的差分概率和線性概率計算整個spn網路的最大差分概率和線性概率的近似表達式。The most significant difference from samkhya is that the yoga school not only incorporates the concept of ishvara ( a personal god ) into its metaphysical worldview, which the samkhya does not, but also upholds ishvara as the ideal upon which to meditate
從數論而來的最大差別就是瑜伽學派不僅把伊瓦拉（一個人格化的神）與它的形而上學世界合併在一起，而且還贊成伊瓦拉是一個冥想的概念，而數論則沒有。Aes - ccm mode use counter mode application simple, systematic expense little, may raise the efficiency of encryption. aes algorithm is presented in allusion to differential cryptanalysis and linear analysis. therefore, the security of aes algorithm in current stage have enough guarantee
而aes演算法是針對差分分析和線性分析提出的，它的最大優點是可以給出演算法的最佳差分特徵的概率及最佳線性逼近的偏差界，具有抵抗差分密碼分析及線性密碼分析的能力，因此aes演算法的安全性在現階段是有足夠保障的。As far as kasumi algorithm is concerned, we get the maximum probability of differential and linear through computing the s7 box and s9 box ' s differential and linear probability. thus, we prove it is secure against differential and linear cryptanalysis
在kasumi演算法的分析中，首先計算出s7盒與s9盒的最大差分概率和最大的線性概率，最後計算出整個演算法的最大差分概率和最大線性概率，進而證明了該演算法是抗差分分析和線性分析的。分享友人