混合編碼器 的英文怎麼說

中文拼音 [húnbiān]
混合編碼器 英文
hybrid encoder
  • : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞1 (編織) weave; plait; braid 2 (組織; 排列) make a list; arrange in a list; organize; gr...
  • : Ⅰ名詞(表示數目的符號或用具) a sign or object indicating number; code Ⅱ量詞1 (指一件事或一類的...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
  • 編碼器 : (將一項信息變換成一系列數碼信號的電路) coder; encoder; encipheror編碼器方框圖 encoder block diagram
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  1. In this paper, combined with currently voice coding technique, espically with the fabulosity development of the mixed voice coding and the increasingly utility of the digital signals processor. we investigated the voice coding technique and discussed emphasizedly the technology of variable rate voice coding technology

    本文結當前語音技術尤其是技術的驚人發展及數字信號處理的日益實用化,研究了語音技術,並重點討論了變速率語音技術。論文簡要介紹語音技術中的波形和聲的主要性能。
  2. 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的背景知識,包括差錯控制的基本原理、分組和卷積;然後闡述了turbo的基本原理,包括turbo結構及迭代譯原理;較為詳細地描述了關鍵的譯演算法: ?種改進的最大后驗概率( map )譯演算法及迭代譯演算法;提出了一種新的turbo結構:turbo級聯卷積) ;並用性能聯界分析方法對turbo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。
  3. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉法、液位壓力傳感法和可變電阻法;主控晶元的選擇,我們選用了高集成度的信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應用給整臺儀提供了時間基準,方便了儀的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  4. The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard

    H . 264的技術特點可以歸納為三個方面,一是注重實用;二是注重對移動和ip網路的適應;三是在混合編碼器的基本框架下,對其主要關鍵部件都做了重大改進,如多模式運動估計、幀內預測、多幀預測、基於內容的變長、 4 4二維整數變換等。
  5. This thesis discusses the research status and typical algorithms of error resilience at home and abroad, whose performance are analyzed, too. the error resilience technology means that the decoder can detect errors, skip the inextricable errors, and rectify the errors as soon as possible, one important way of which is error concealment

    本課題對前向錯誤控制、后處理錯誤掩蓋、端交互的錯誤掩蓋這三大類容錯方法進行了詳細的研究,分析了現有演算法的一些局限性,基於空域插值和時域補償這兩種基本的掩蓋演算法,提出了一種容錯演算法。
  6. Firstly, the basic principle of ocdma, the basic theory of ooc and the key technologies of ocdma are introduced. the development, research status and trends of ocdma technologies are also summarized. combining with other multiplexing technologies and using fiber gratings as the encoder / decoder are the trends of ocdma system

    論文首先對ocdma的基本原理、光正交的基本理論以及關鍵技術進行介紹,對光分多址技術發展歷史、研究現狀以及發展趨勢進行總結,指出同其它復用方式相結全光網路和採用光纖光柵是光分復用技術最有希望的發展方向。
  7. Current turntable control system usually adopts digital - analog control method. with the development of computer science and photoelectric encoder, numeralization of control system has become the trend for designing turntable control system

    現有的轉臺控制系統一般採用數? ?模控制方式,隨著計算機技術與光電的飛速發展,控制系統的數字化已成為轉臺控制系統設計實現的發展趨勢。
  8. In this paper, with the help of the idea of software engineering, the object - oriented developing technique, structured software development method, the inter - process communications in windows and the fortran / c + + mixed programming technique, the windows version of the pre - processor and the post - processor module are developed : the pre - process module is parted as four function modules. the part of graphic display codes of the pre - processor and the post - processor module are translated and modified as background processes. the interactive graphic interface in windows style is designed as foreground processes

    基於軟體工程思想,本文綜運用面向對象技術、結構化程序設計方法、 windows進程間通信技術、 fortran c + +技術,對sheet - forming的微機版本中的前、后處理模塊進行了研製:將前處理模塊進一步劃分為四個功能模塊;優化譯前、后處理的圖形顯示部分代並將其作為后臺程序;設計windows風格的前臺互動式圖形界面;利用本文設計的中介程序實現后處理前臺界面和后臺程序之間的通信。
  9. To improve the hybrid codec, the paper has proposed a new method for organizing reference pictures and a new algorithm for mode - decision based on the conception of parallel operation and object - oriented coding, through which the complexity of coding process has been highly decreased

    本文還從并行運算和面向對象兩個角度出發,對框架進行了改進,提出了一種新的參考圖像組織方法和一種基於對象的模式選擇演算法,在很大程度上降低了的運算復雜度。
  10. With the theory of wavelet transform and reversible integer - to - integer wavelet transforms based on shifting frame used in image / video compression field introduced, a new real - time implement of speck algorithm using dsp chip is provided. then the technology of motion estimation and motion compensation is discussed and an adaptive technique for the wavelet video codec to reduce the " block artifact " is presented. and the implement of the wavelet video compression system using adv611 chip is discussed next with the performance emulation result

    在系統討論了小波理論在圖像視頻壓縮領域的應用后,結dsp技術提出一種基於dsp應用的實時低存儲需求的改進speck圖像;隨后探討基於小波變換的實時視頻的實現,在論述運動估計與補償技術的基礎上,針對應用空域運動估計補償技術的低比特率小波視頻提出一種自適應消除塊效應的技術;並討論了基於adv611晶元的視頻壓縮系統的壓縮性能;最後提出一種基於dsp平臺具有極低時延的小波視頻方案,對該方案的壓縮性能進行了討論並給出初步的硬體實現方案。
  11. Syntax highlighting code editor - with support for code completion, annotations, macros and auto - indentation, capable of mixed - mode operation for multi - language documents

    語法高亮的代支持代自動完成,注釋( ? ) ,宏,自動縮進,對多語言文檔的處理能力。
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