離散演演算法 的英文怎麼說

中文拼音 [lísǎnyǎnyǎnsuànfǎ]
離散演演算法 英文
discrete algorithm
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 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...
  • 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
  1. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。
  2. 2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain

    在目標散射中心建模方面，我們將浮點型遺傳演算法（ fga ）應用於實際人工目標的gtd模型參數的抽取，利用所抽取的模型參數完成了雷達散射截面rcs的頻率擴展以及數據壓縮，並利用擴展的數據提高了距離解析度。
  3. Reading graphics files and dispersing curves and surfaces. after lucubrating current algorithms dispersing trimmed surfaces, the mapping method is adopted. to avoid unnecessary or repeated calculations, a new tessellation algorithm for trimmed surface is introduced

    在深入分析目前流行的裁剪曲面離散演算法的基礎上，採用映射法對裁剪曲面進行離散，並針對面向網路會議的圖形瀏覽器要求圖形數據、剖分速度快的特點，提出了一種基於編碼的裁剪曲面離散演算法； 3
  4. Finally, a discrete g 1 continuous b - spline surface is generated by a surface fitting algorithm

    最後，通過曲面擬合演算法得到離散g 1連續的b樣條曲面。
  5. The discussion of main parallel technologies on construction of parallel sliq algorithm is presented in this paper. the computing result of algorithm complexity of sequential and parallel algorithm indicates : when the data set is large enough, as to continuous attributes, the parallel algorithm almost get speedup value equal to the number of processors ， while as to categorical attribute the improvement of parallel algorithm is limited

    通過對串列和并行演算法時間復雜度的計算表明，當數據集充分大時，由於連續屬性的排序計算操作分散到各個處理機單元上進行，顯著降低了計算時間，從而可以得到近似於處理機個數的加速比，對于離散屬性，本并行演算法對串列演算法的性能提高有限
  6. Secondly, based on nurbs curves approximation algorithm, a nurbs surface approximation algorithm on discrete data sets is given. thirdly, a shape - preserving parametric surface interpolation to data set is given

    2基於所給的nurbs曲線的逼近演算法，建立了帶插值條件的離散點集的nurbs曲面的逼近演算法。
  7. In the second chapter, wavelet theory, which is the theoretic basis of embedded zero wavelet coding is introduced briefly, including wavelet transform " s local characteristics, multi - resolution analysis, discrete signal ' s fast decomposition and construction, wavelet and filter group

    第二章，對小波零樹編碼演算法的理論基礎? ?小波理論作了簡要的介紹，包括小波變換的時頻局部特性、多解析度分析、離散信號的快速分解與重構以及小波與濾波器組的關系。
  8. The three kinds of construction graph can be applied to optimization problems with different characteristics, and the two kinds of layered construction graph are more suitable for complex multi - stage dynamic decision problems ( cmsddp ) than scg. the clcg defines smaller solution building blocks and is able to perform better in large - scale cmsddps than the blcg. 2. the construction graph of aco algorithms need statically describe the whole solution space ( or discrete solution spa

    （ 2 ）蟻群優化演算法的解構造圖一般要靜態地描述整個解空間（或者是離散化了的解空間） ，對于大規劃動態決策問題，不僅存在描述解空間的困難，而且讓蟻群在迭代過程中始終在整個解空間中進行搜索，搜索性能會很低。
  9. It is discussed that the present harmonic analyzers do n ' t satisfy the requirements of china standard for harmonic measure of quick disturbance harmonic load. the measurement error brought about by the harmonic analyzers adopting ft or fft algorithm is analyzed. a cycle discrete fourier algorithm that should n ' t be effected by aperiodic component is presented, and the results of simulation show that it has higher accureacy

    本文對電力系統諧波的測量方法，數據處理及電力牽引負荷對電力系統的影響進行了研究，論述了目前國內外生產的諧波分析儀用於快速波動諧波負荷的測量不滿足國標的要求，分析了諧波分析儀普遍採用的ft或fft演算法所產生的測量誤差，提出了一種不受非周期分量影響的全周波離散傅里葉演算法，模擬結果表明精度好。
  10. The key process of the algorithm, called nodes transforming to arcs, is based on the calculation loads of coupling nodes and arcs loads from the loads of switch nodes. getting the area of coupling nodes is the most important process in nodes transforming to arcs. this paper presents a new method ， which uses the adjacency matrix of distribution network and the information matrix of

    變結構耗散網路是一種新的配電網自動化演算法，由配電網開關頂點負荷求弧負荷和耦合頂點負荷的點弧變換是整個演算法中確定配電網饋線故障區域的基礎，而進行點弧變換的關鍵就在於分離耦合點區域。
  11. In order to identify the dependent relationship between words based on statistics efficiently and accurately, this paper has rectified part of the shortcomings of present algorithms by making the best of the distribution characteristic between words, distinguishing the collocation, coordinate and affiliation relationship between words, identifying them respectively by different strategies, presenting a new module of matching between strings and a new module of dependent intensity between words, constructing the tree of dependent relationship, pruning the constructed tree of dependent relationship and identifying some latent dependent relationship

    摘要本文擴展和改進了現有的詞語間依存關系定量識別演算法，充分考慮詞項概率分佈的影響；明確區分詞項之間的搭配關系、並列關系和從屬關系，針對它們不同的特點，提出不同的識別演算法；提出字串匹配模型；充分考慮兩個詞項之間相互位置的離散分佈和距離的影響、以及它們的概率分佈特性，提出詞項間的依存強度模型，並據此構建詞語間依存關系樹；提出更新策略，對已經建好的依存關系樹進行裁剪，並挖掘出潛在的依存關系。
  12. This thesis presents a new audio digital watermark algorithm based on has model. the steps : first, it classifies the signals through fft ; second, calculating the tones, noise and the overall masking threshold of different phases through has, and changing the energy value of tones which are more than that of the overall masking threshold to embed the watermark information

    提出了一種基於人類聽覺系統（ has ）模型的音頻數字水印演算法，該演算法首先對信號進行分段離散快速傅立葉變換（ fft ） ，再根據人類聽覺系統模型計算出各段的類純音、類噪音以及各段的總體掩蔽閾值，通過改變大於總體遮蔽閾值的類純音的能量值來嵌入水印信息。
  13. By constructing weighted between - class scatter matrix, the classes that are closer to one another are likely to have a greater confusion and should be given a greater weightage

    該演算法通過構建加權的類間散布矩陣，將距離較近的容易混淆的類別賦以較大的權值。
  14. Based on polymerization reaction of the nylon - 6 rubberized cord fabric production of distributed control system in yangzhou organic chemical plant computer integrated manufacturing system ( yh - cims / dcs ), the multiple stepwise regression method was used to build the statistic mathematical models of the molecule weight and the monomer quantum of casting slice belt. then the optimization model of polymerization reaction was presented, which was solved by using simulation annealing algorithm to obtain the best techniques parameters. the improved hybrid genetic algorithm and back propagation algorithm are combined to train neural network, brought out the neural network prediction model of casting slice belt ' s average molecule weight to guide the technologist on - line

    提出了流程工業生產過程操作優化策略和應用實施方法，包括生產過程離線優化策略、非線性問題求解策略、在線優化模型及學習策略；結合揚州有機化工廠計算機集成製造系統集散控制系統（ yh - cims dcs ）的實施，針對錦綸? 6浸膠南京理工大學博士學位論文摘要簾于布生產中己內酚胺聚合反應過程優化控制這一工程實際問題，採用統計建模方法，建立了聚合反應過程的優化模型；為求解所得的優化模型，提出了種改進的有約束條件下的模擬退火演算法，該演算法能避免陷於局部最優解，有效地提高了所求解的全局性和可靠性：提出了基於改進的ga演算法和sp演算法相結合的混合學習演算法，建立了基於神經網路的聚合反應過程生產目標在線預測模型，該演算法和模型滿足了生產中的實時性和實用性要求。
  15. In addition, for regular grid data it presents an effective algorithm for some particularity that there are four isopoints in one grid cell and for random discrete data points it lays emphasis on triangulation. this paper firstly put forward three principles : attribute principle of adjoining isolines, attribute principle of isoregions and inclusion principle of ioslines after studying the character of isolines. the bivalue - topology algorithm based on boundary tracking is given, which is founded on the three principle and is used to fill isoregions

    另外，在這兩部分中除了對邊信息鏈表的形成過程以及基於邊信息鏈表的等值線生成做了詳細討論外，還對規則格網數據的等值線追蹤中，一個網格單元上含四個等值點的特殊情形給出了一個比較有效的演算法，並在任意離散點數據部分對平面點集的三角剖分進行了著重討論。
  16. An accelerated direct rendering algorith of isosurface for 3d data sets is presented. the problem for calculating the intersections of the ray and the bounding cells pierced by the isosurface can be viewed as the problem of sampling alonga 3d discreteray. it is shown that the algorithm is better on memory requirement and speed than traditional algorithm through its realization on pc

    提出等值面直接顯示演算法，充分利用數據空間的相關性，把體素分為邊界體素和內部體素，並採用體數據邊界表示法，降低了內存.繪制等值面時，將視線與邊界體素的求交運算轉化為對離散視線上點的掃描，避開對整個體數據空間的遍歷，從而減少了計算量。
  17. Because of continuity of load effects in time and space, displacement effects of previous time period in the latter time period and effects in various places have been taken into accounts. it is on these basis that the paper puts forward the dispersed counting way discrete algorithm based on such relationship, takes time - stepping integration to calculate rails " dynamic response, uses fortran language to write counting program, and conducts computer mock tests about rails " power response

    由於荷載作用在時間和空間上的連續性，因此考慮了前一時間段所產生的位移對后一時間段的影響以及不同位置的相互影響，在此基礎上提出了基於車輪、軌道、枕木相互關系的離散化演算法，採用時間步長積分計算了軌道的動力響應，使用fortran語言編制計算程序對軌道動力響應進行了模擬。
  18. Moreover, a strategy for imputation of null values based on changed precision model is put forward to improve anti - disturbing ability of model secondly, several primary algorithms are indrouced and discussed, the direction and target of discretization is analysised, to gain logical cuts, a method to discretize continuous attributes based on rough entropy is brought forward at last, the potential client datamining system in electronic commerce is put forward, all given algorithms is applied to the system, and compared by test results, and the new idea of this paper is simply described and some problems in this paper that need to improved on are proposed

    然後，對目前流行的離散化演算法進行了詳細的分析和評價，指出了離散化的方向和目標，並提出了基於粗糙信息熵的離散化演算法，以便在保證劃分后決策表相容性的前提下，獲得比較合理的劃分點。最後，提出了電子商務的潛在客戶挖掘系統，並將前面提出的基於粗集的演算法理論應用到該系統中，同時和其他幾種現有的數據補齊和離散化演算法進行了實驗比較和結果分析。並指出本文創新之處以及存在的問題和努力的方向。
  19. Discretization algorithm of the continuous attribute

    連續屬性的離散化演算法
  20. ( 3 ) the evolutionary computation - based algorithm for discretizing values of quantitative attributes, whose advantage is that it can finding the best cuts of a quantitative attribute

    （ 3 ）根據進化計算的極強魯棒性及尋優能力，提出了基於進化計算的數量型屬性離散化演算法?進化c均值演算法。
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