符號函數 的英文怎麼說
中文拼音 [fúháohánshǔ]
符號函數
英文
sign function- 符 : Ⅰ名詞1 (符節) tally (with two halves made of wood bamboo jade metal issued by a ruler to gener...
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 函 : 名詞1. [書面語] (匣; 封套) case; envelope 2. (信件) letter 3. (姓氏) a surname
- 數 : 數副詞(屢次) frequently; repeatedly
- 符號 : 1 (記號; 標記) character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
- 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
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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。For supporting multilevel embedding domains, linear table instead of multilevel table is used to make the implementing of information tables management ( such as symbol table and constant table management ) simple and effective. to fulfill the searching algorithm of symbol table and constant table, an assistant table is introduced to solve the problem caused by the use of hash algorithm
在信息表管理方面,沒有採用多級的表組織方式,而採用了線性的表組織方式,簡單高效地實現了對作用域多層嵌套的支持;在表的查找演算法的實現中,通過輔助表的引入,解決了符號表和常量表的順序填寫法與hash演算法中表項記錄的hash函數定位法之間的矛盾這一難點。Describes importing public symbols into an application or exporting functions from a dll
描述如何將公共符號導入應用程序或從dll導出函數。It adopted some mnemonic symbols which can show the instructional functions to present the content of the program
其採用一些利用記憶的符號來表示描述程序內容的指令函數。Optical transfer function - terminology, symbols
光學傳遞函數術語符號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。Important mathematics method of thinking of junior high school include with transform, symbolism, equation and function, numeral - form combination, classification discussion
初中數學中的重要數學思想與方法包括化歸思想與方法,符號化、方程與函數思想,數形結合思想,分類討論思想。Special functions of mathematical physics ; symbols and concepts
數理特定函數.符號和概念The choice of subsystem affects the entry point symbol or entry point function that the linker will choose
子系統的選擇會影響鏈接器將要選擇的入口點符號(或入口點函數) 。After teaching the chapter of function, we once did a questionaire to the first grade senior student in high school, the analysis result show that the student have n ' t had deep understand to the concept of function, in their mind, there exists prior knowledge, which keep them away from the practical - questions with function concept well, there is still some distance between their realization of concept and convey of the conceptual symbols
在學習函數這一章節后,我們曾對高一年級學生進行了一次問卷調查,調查結果發現,學生對函數概念理解不夠深刻,明顯存在「先驗知識」 ,不能很好地運用函數概念解決實際問題,在對概念的認識與概念符號表達上存在一定的距離。The application of statistics function of excel may simplify complicated binomial distribution probability counting and normal distribution probability counting, and at the sme time, many statistics functions can be connected together with some counting signs to make statistics analysis process which can be applied to much more complicated statistics counting and analysis
摘要利用excel的統計函數可以使復雜的二項分佈概率計算和正態分佈概率計算變得簡單,同時,可以利用計算符號把多個統計函數連接起來,製成統計分析程序,用於比較大的復雜的統計計算和分析。The readlink ( ) function returns the target of a symbolic link
函數的作用是:返回符號連接指向的目標對象。This function returns the target of the link on success, or false on failure
這個函數返回符號連接指向的目標對象;如果執行失敗將返回false 。In this paper, we discuss a kind of filter generator whose filter functions have less input bits than the degree of the linear feedback shift register ( lfsr ). by analyzing the structure of the filter generator and its equivalent system, we give out a conditional search algorithm ( csa ) to attack this kind of filter generators
針對濾波函數f ( x )的輸入比特數m少於線性反饋移位寄存器級數n的濾波生成器,本文通過分析其等價的組合生成器的結構,以及不同節拍上驅動序列的各個符號之間的制約關系,給出了廣義解序列的概念,並提出了類似遍歷二叉樹的條件搜索演算法csa ,用於攻擊該類特殊的濾波序列。Through chaos optimization method embedded into the genetic algorithm. the algorithm with the combination the advantages of the genetic algorithm and chaos optimization method which need not the optimal problem function ' s differential and promote the ability of the genetic algorithm ' s locally meticulous search can be obtained with the faster convergence and the greater probability for the global solution. a chaotic sequence is inserted into the search procedure of genetic algorithm, which can overcome premature of the search by genetic algorithm and the speed of convergence is faster than standard genetic algorithm
對遺傳演算法進行了理論分析,並且研究了遺傳演算法的設計與實現;利用混沌優化方法不依賴于梯度信息的性質,將其與遺傳演算法相結合,提出了一種求解連續不可微函數優化問題的混合遺傳演算法;基於對于符號動力系統的研究,利用混沌序列的遍歷性,將混沌序列引入遺傳演算法中,提出一種嵌入哈爾濱工程大學博土學位論文一混飩序列的遺傳演算法,該演算法有效地克服了標準遺傳演算法中的早熟現象,並且具有更快的收斂速度。 」We detailed toeplitz operator with unomodular symbol, and generated the theorem proved by michael sand in [ 2 ] from h to h + c ( t ). in the second part of this paper, the author discussed simply when multipliction of two toeplitz operators with symbol in h + c ( t ) or in l. we got two conclusions by analyzing symbol of toeplitz operators. the last, we investigated whether multiplication of two toeplitz operators, which range included all non - cyclic vectors of backward shift, is surjective, and partly answered the question about surjective toeplitz algebra posed by michael sand in [ 2 ]
對于單個的toeplitz運算元,考慮其符號的內外分解,得到了它的滿射只與其幺模部分有關的結論,詳細地討論了符號為幺摸函數的toeplitz運算元的各種情況,在討論符號在h ~的特殊情形時,推廣michaelsand [ 2 ]中的定理2到h ~ + c ( t ) ,第二部分簡單地討論了符號在h ~ + c ( t )以及l ~中的兩個toeplitz運算元的乘積的滿射情況,先對toeplitz運算元的符號進行分析得到兩個結論,最後考察了toeplitz運算元的乘積的值域包含后移運算元的所有非循環向量的滿射情況,部分地回答了michaelsand在[ 2 ]中提出的toeplitz代數滿射問題。By the interpolation property, we provide an explicit formula for constructing the corresponding wavelet
利用插值特性,給出插值函數相應正交小波符號函數的顯式構造公式。The classifier with ability of feature selection is studied to prepare for face cascade representation and to make it possible to detect and recognize face fast and accurately. finally, construction of an array of classifiers is researched, and an effective method to design classifiers of fast face detection and recognition with complex background is presented, which is able to radically discard redundant areas and realize a robust real - time face detection designed for complex background and recognition system with large face database. finally, a fast face detection and recognition system for images with complex background is proposed and implemented by combining face cascade representation and classifier design
首先研究了在人臉檢測和識別中常用的分類器,比如符號函數、最近鄰、神經網路、 svm 、 adaboost等,選擇了適合於人臉檢測和識別的分類器,並提出了結合pca特徵和rbf進行人臉姿態的判別方法:其次研究了具有特徵選擇功能的分類器發計,這為人臉的級聯表示提供了條什,也為快速準確的人臉檢測和識別提供了可能;最後,對組合分類器設計進行了研究,提出了適于復雜背景下快速人臉檢測和識別的有效分類器設計方案,這使得人臉檢測和識別能夠快速剔除不感興趣區域,為復雜背景下實時人臉檢測和大型人臉庫的快速識別提供了可能。Several examples and numerical simulations are shown to illustrate and reinforce our theory. in chapter 3, we firstly give both the definition of the discrete lyapunov functional and the proof of some properties of it for the dde with local positive or negative feedback in the delay term. secondly, we introduce the definition of the global attractor
A6s藝fae藝在本文的第三章中,首先給出了對於一類時滯微分方程的用改變符號次數來定義的離散lyapunov泛函,並給出了其有關性質的理論證明,進而說明在時滯項具有局部正反饋或者局部負反饋條件下的時滯微分方程這樣定義lyapunov泛函的合理性,這是對前人在時滯項具有全局負反饋或者正反饋條件下的lyapunov泛函的推廣。Which takes an unsigned integer argument
,該函數採用一個無符號整數參數。分享友人