符號表演算法 的英文怎麼說

中文拼音 [fúháobiǎoyǎnsuànfǎ]
符號表演算法 英文
symbol table algorithm
  • 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 （...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 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...
  • 符號 : 1 （記號; 標記） character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
  • 表演 : 1 （演出） perform; act; play; acting 2 （作示範動作） demonstrate 3 （以觀賞或觀摩為目的的展示）...
  1. 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。
  2. An unsigned integer representing the hash algorithm

    表示哈希演算法的無符號整數。
  3. 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。
  4. The conversion process involves reading the operands, operators, and parentheses of the infix expression using the following algorithm

    轉換過程包括用下面的演算法讀入中綴表達式的操作數、操作符和括號：
  5. This article discussed the chinese word slice, character extraction, character expression and character matching methods, and established the chinese text classification and clustering algorithms based on neural network. in the design of chinese text mining based on web, the paper analyzed and researched the expression of web page information, structure feature, web page control symbol and html control symbol, and built the extraction flow of web page information, then gave two concrete application of chinese text mining based on web through combining with practical problems

    討論了文本分類中的中文詞切分、特徵提取、特徵表示、特徵匹配方法，建立了基於神經網路的中文文本分類、聚類演算法，在web中文文本信息挖掘的設計中，對網頁信息的表示、結構特點、網頁控制符、 html控制符號處理進行了詳細分析與研究，構建了網頁信息提取流程，並結合實際問題，給出了web環境下中文文本信息挖掘的兩個具體應用。
  6. In the last part, the relationship of the field current with the operational factors of the turbo generator is difficult to express exactly, belonging to the complexity of building the generator model and the difficulty of identifying generator parameters, gp algorithm is presented, which is better than other method in symbol regress

    由於發電機的建模與參數辨識困難，發電機勵磁電流和機端量之間的關系難以用精確的數學表達式來描述。利用gp演算法在符號回歸中的應用，得出發電機勵磁電流和機端量之間的關系表達式，用於故障診斷，並通過算例驗證了該方法是有效的。
  7. A generalization of arithmetic in which symbols, usually letters of the alphabet, represent numbers or members of a specified set of numbers and are related by operations that hold for all numbers in the set

    代數學計算的普遍原理，其中通常為字母表中字母的符號，其代表數字或一組特定數字中的幾個數字，它們通過對組中全部數字都適合的運演算法則相聯系
  8. In paper, reaching the aim, firstly, we have researched thorough about symbol recognition and theory understanding relative theory and technology, and basing on those theory and technology, we adopt the based global characteristic symbol recognition and engineering drawing understanding algorithm which can automatic convert the vectorgraph which doesn ’ t include the relative physical information into the vectorgraph which includes the relative physical information. secondly, researching about the 2d computer animation technology and combine the cbt system, we have presented the new path animation model which include the union path description, animation pattern and time - velocity and time ? distance parts

    為達到上述目標，本文首先對目前圖形符號識別技術進行系統的、較深入的分析，結合民航飛機原理圖特點採用基於全局特徵的符號識別演算法對原理圖進行符號處理，並以此為基礎改進了基於圖的方法和全局知識的語義分析方法相結合的原理圖理解演算法，可將無序的矢量圖轉化成高層的知識表示，為動畫製作提供素材，為后續的電路完整性檢測及動畫自動播放提供相應的知識支持。
  9. Symbol logic method is unable to guarantee the complement of knowledge description, which leads to complicated deducing process. we introduce fuzzy cognitive map into agent modeling and deducing, substitute symbolic description and inference with simple mathematical computing, achieving agent intelligent decision - making in complex environment

    針對現有符號邏輯描述方法難以保證知識表達的完整性，推理過程陷於復雜的邏輯演繹的問題，作者引入了模糊因果關系的網路模型，基於模糊認知圖理論構造agent推理模型，用簡單的數值計算代替復雜符號系統的表示和演繹推理過程，實現了復雜環境下的agent智能決策。
  10. Second, by combining theories of strength of laminate with ga, a new gradient free optimization method with new code strategy is discussed. the representation itself does not change the nature of the problem, but effects the searching efficiency of the algorithm. so the representation of the parameters to be optimized is a very important factor and the new code strategy is also easy used with crossover operator and variation operator in ga applications

    其次，本文根據層合板優化設計的具體問題提出了一種符號編碼方式，雖然優化參數的基因編碼表達方式並不能改變優化問題的本質，但是不同的編碼表達方式對于遺傳演算法搜索的效率和最終的優化結果有著重要的影響，因此優化參數的基因編碼表達是遺傳演算法應用於工程問題中非常關鍵的一步。
  11. After studying the shicha algorithm of parallax theory in shoushi calendar and huihui calendar, this paper points out that shicha algorithm in huihui calendar is better than that of shoushi calendar about the completeness of variables, the choice of the sign of shicha and the procession of shicha algorithm, thus concluding that it can help us to evaluate objectively the solar eclipse theory of ancint china and arabia

    對《授時歷》和《回回歷法》中的時差演算法進行比較研究表明， 《回回歷法》中的時差演算法在自變量的完備性、符號的選擇以及精度等方面，均明顯優于《授時歷》 ，該結論對評價中國和阿拉伯傳統日食演算法優劣有一定參考意義。
  12. Third, generation rule device in this model also uses the genetic algorithm to generate rule. but this genetic algorithm is different from the genetic algorithm used to optimize bp nerve network. their different point is that space of solution in this genetic algorithm isn ’ t a simple number value and space of string, but a space of function

    第三、該模型中的規則生成器也是使用遺傳演算法來生成規則，但是這里的遺傳演算法和遺傳演算法優化bp神經網路模塊中的遺傳演算法不同之處在於此遺傳演算法的求解空間不是簡單的數值與符號空間而是函數空間，它所得到的結果不是一個簡單的定長字元串，而是表示待求解問題的一個求解模型的字元串。
  13. We call this method point - tree structure genetic programming algorithm ( ptgp ). this algorithm has been applied into symbolic regression and parameter identification. the results show that ptgp is a good method

    我們將這種演算法應用到間斷函數回歸問題（符號回歸問題）和間斷參函數識別問題（偏微分方程反問題）中，測試結果表明，點樹遺傳程序設計演算法能夠有效的識別間斷函數。
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