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mapping algorithm中文是什么意思

  • [計] 映射算法, 映象算法, 變換算法

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  • 例句與用法
  • Dynamic mapping algorithm is also illustrated in details . through the computer simulation to some real short-time voice signal samples using matlab language . the result shows that the recognition efficiency using cepstrum coefficients mapping is better than what made by lpc mapping
    實驗結(jié)果表明,與采用lpc特征相比,采用lpc倒譜特征和動態(tài)匹配算法進行短時語音識別,會有較高的識別率;對不同語音信號有特征空間離散度大、易于確定判別門限的特點。
  • This paper puts forward two methods to translate relational schema to xml schema, and some key algorithms are designed, including reverse resolving algorithm for relational schema, key-based nesting algorithm and flatting algorithms, model-driven mapping algorithm from relational schema to xml schema
    文中討論了關(guān)系模式映射為xml的兩種方法,研究了關(guān)系模式的反求算法,分析了基于鍵的嵌套算法和扁平算法,實現(xiàn)了以模型驅(qū)動的關(guān)系模式映射為xml的算法。
  • 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;然后闡述了turbo碼的基本原理,包括turbo編譯碼器結(jié)構(gòu)及迭代譯碼原理;較為詳細地描述了關(guān)鍵的譯碼算法:?種改進的最大后驗概率(map)譯碼算法及迭代譯碼算法;提出了一種新的turbo碼結(jié)構(gòu):混合turbo碼(混合級聯(lián)卷積碼);并用編碼性能聯(lián)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;并在高斯白噪聲信道和瑞利衰落信道上分別作了一些應(yīng)用研究及計算機仿真實驗。
  • After briefly introducing the baseband procession in wcdma system, this paper indicates a new type of channel coding method-turbo code, and shows the actual encoding scheme in wcdma system . the basic principles of coding and decoding of turbo codes are discussed, and the map and max-log-map algorithms which are suitable for the turbo code are detailedly discussed . then, the interleaver of turbo code is also presented
    本文在簡要介紹wcdma系統(tǒng)基帶數(shù)據(jù)處理流程的基礎(chǔ)上,詳細介紹了信道譯碼單元所采用的一種新的糾錯碼?turbo碼,簡述了turbo碼的編、譯碼原理,重點介紹了適用于turbo碼的map和max-log-map譯碼算法。
  • The principle of coding and decoding for turbo codes, including pccc, sccc and hccc, are discussed; based on the introduction of the modified and simplified map algorithms on awgn channel for turbo codes, multiplicative and additive siso decoding algorithms adapted to general iterative decoding are derived
    論述了turbo碼(包括pccc、sccc和hccc)的編譯碼原理,在介紹awgn信道上用于turbo譯碼的修正map譯碼算法基礎(chǔ)上系統(tǒng)推導(dǎo)了適用于級聯(lián)碼迭代譯碼的通用siso譯碼算法。
  • Main contents list as follows : 1 . eai communication mechanism of vrml 2 . feature based model restructure 3 . mapping algorithm of model 4 . assembly processing analysis 5 . creating mechanism of assembly model 6 . optimization of model 7 . assembly constraint relations processing prototype system of web-based interactive virtual assembly platform is developed based on studies above, and its functions, such as data management of network virtual product, definition of assembly tree structure, control of assembly, etc, are implemented and have gotten well engineering application effect
    課題重點研究了該平臺的體系結(jié)構(gòu)及支持網(wǎng)絡(luò)化虛擬裝配中的相關(guān)關(guān)鍵技術(shù),包括vrml的eai(externalauthoringinterface)通信機制、基于特征的模型重構(gòu)、模型的映射生成算法、裝配過程分析、裝配模型的創(chuàng)建機制、模型的優(yōu)化處理、裝配約束關(guān)系的處理,并在此基礎(chǔ)上開發(fā)了一個基于web的交互式虛擬裝配平臺的原型系統(tǒng),實現(xiàn)了網(wǎng)絡(luò)化虛擬產(chǎn)品的數(shù)據(jù)管理、裝配樹結(jié)構(gòu)的定義以及裝配控制等功能,取得了較好的工程應(yīng)用效果。
  • Firstly, the paper introduces the theory of encoding and decoding of turbo codes, and the simulation analysis on the decoding performance of map 、 map _ log 、 max _ log _ map algorithms with the c language in computer have been given . secondly, according to a great deal of simulation results, the paper investigates the key design parameters which could greatly influence the performance of map algorithm
    本文首先在理論上對turbo碼的編譯碼原理進行了深入的研究,并用c語言對其map譯碼算法進行了驗證仿真,接著就turbo碼map算法的衍生算法即log_map和max_log_map算法用c程序做了仿真和測試。
  • Firstly, the paper introduces the theory of encoding and decoding of turbo codes, and the simulation analysis on the decoding performance of map 、 map _ log 、 max _ log _ map algorithms with the c language in computer have been given . secondly, according to a great deal of simulation results, the paper investigates the key design parameters which could greatly influence the performance of map algorithm
    本文首先在理論上對turbo碼的編譯碼原理進行了深入的研究,并用c語言對其map譯碼算法進行了驗證仿真,接著就turbo碼map算法的衍生算法即log_map和max_log_map算法用c程序做了仿真和測試。
  • Simulation indicates that the par of mc-cdma can be upper bounded 6db by using golay complementary sequences and s-r sequences as spreading sequences, which is much superior to m sequences and hadamard sequences . on the other side of view, compared with the old basic selected mapping method, this thesis proposes some other selected mapping algorithms and compares the performances based analysis and simulation
    仿真表明,采用格雷互補序列作為擴頻碼來降低峰平比,不論是效果還是實用性,都大大優(yōu)于m序列和hadamard序列;另一方面,本文在基本選擇映射算法基礎(chǔ)上,提出了幾種改進的選擇映射算法。
  • The human hand motion is mapped to the dexterous robot hand based on the ameliorated fingertip position mapping method . the mapping algorithm is testified through the graphic simulation . the simulation results show that the mapping method is direct and natural which can satisfy the requirements of robot hand teleoperation
    采用改進的基于指尖位置的映射方法將人手的運動映射到靈巧手上,并進行了映射算法的驗證和三維圖形仿真,試驗表明了映射結(jié)果能滿足基于數(shù)據(jù)手套的靈巧手遙操作的要求。
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