real-time coding 中文意思是什麼

real-time coding 解釋
實時編碼
  • real : adj 1 真實的，真正的 （opp sham ） 實際的，現實的 （ opp ideal） 事實上的，實質上的 （opp nominal...
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  • coding : n. 編碼；譯成電碼。
  1. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  2. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  3. It uses adi company ’ s blackfin 533 as a cpu to realize vedio real - time decoding, and uses pc to realize vedio real - time coding. then the solution of the vedio command system in sse is presented

    文章採用adi公司的blackfin533來作為核心硬體處理器來實現視頻實時解碼，採用pc機實現視頻實時編碼，給出了單兵作戰視頻指揮系統解決方案。
  4. In the dissertation, the principle of image coding, the jpeg system and the real - time signal processing system based on dsp are introduced first. then the design of a jpeg real - time image decoder system based on motorola coldfire mcf5272 is discussed

    本文首先介紹了圖像壓縮技術的原理、 jpeg標準和基於dsp的實時信號處理系統，然後在motorolacoldfire32位微處理器mcf5272上設計實現了jpeg解碼演算法。
  5. The basic characteristics of the current data network are point - to - point, connectless, doing one ' s endeavor, no quality of service, etc. these characteristics do not meet the requirement of real - time services, therefore, the realization of voip need support of the some key technology. these technologies includes : speech sound coding and data compression, real - time transmission and control, mute compression and multicast, acoustic - echo cancellation and comfort noise generator, dynamic monitor and guarantee of quality of network service, as well as, the compatible of different network and different protocol with each other

    但現有的數據網路的基本特性：點對點的、無連接的、盡力而為的、沒有服務質量保證等特性並不適合與實時的業務要求，因此voip的實現需要一些關鍵技術的支持，這些技術包括：語音編碼和壓縮技術、實時傳輸和控制技術、組播技術、靜音壓縮和舒適噪聲生成技術、回聲消除技術、網路服務質量的動態監測和保證技術、以及不同的網路、不同的協議之間的互連互通等等。
  6. In this paper, after the theory of video coding analyzed and some video compression standard compared, the development, constitution, application and characteristic of h. 264 video compression technique is focused on. and then the design of h. 264 video capturing and coding system based on adi dsp ( adsp - bf561 ) is illustrated, the hardware constitution and the software realization of the real - time video encoder are introduced particularly, and all kinds of techniques to optimize the h. 264 program according to the hardware configuration and compiling characteristics of adsp - bf561 are discussed especially

    本文在分析了視頻編碼的基本原理，並將目前常用的視頻壓縮標準進行了比較的基礎上，重點分析了h . 264視頻壓縮技術的發展、組成、應用及其特點，詳細論述了以adidsp （ adsp - bf561 ）為核心的h . 264視頻採集編碼系統的硬體組成和軟體實現，著重闡述了根據adsp - bf561系統的硬體及編譯系統特點，運用各種方法對h . 264編碼程序代碼進行優化的方法，最終實現了基於adiadsp - bf561的h . 264視頻採集編碼。
  7. Using the run - length coding method, implementing the synchronization of volume date - recording and laplace difference, the filter keeps a high real time capability

    運用遊程編碼的思想作為樹集設計逐行掃描的數據錄入方法，使數據錄入與拉普拉斯差分運葬同步進行，以保證高實時性。
  8. Although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de - multiplexing, audio and video signal decompression technique and real - time software technique with upriver data coding technique etc. therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience

    機頂盒雖然只是數字電視傳輸系統的終端設備，但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此，通過對機頂盒軟、硬體的研究開發，既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備，也為圖像信號和音頻信號的數字化處理積累經驗。
  9. A h. 263 real - time video coding system based on dsp chip is then designed which follows the develop flow of a dsp system

    然後按照dsp系統的開發流程，設計開發了一個基於dsp晶元的h . 263實時視頻壓縮編解碼系統。
  10. In the process of real - time video coding, it is valuable to reduce the checking times to 4 4 blocks

    有效減少4 4塊預測模式的判斷次數，在實時視頻編碼過程中很有價值。
  11. The paper studies the theory and coding methods of the low bit rate video recommendation h. 263 + detailedly, realizes real - time software codec based on h. 263 + under linux os, furthermore, finishes some negotiable coding options which can observably improve the coding efficiency, such as advanced prediction mode, advanced intra coding mode, deblocking filter mode and modified quantization mode

    263 +的原理和編碼方法做了深入的研究，軟體實現了基於h 263 +標準的視頻編譯碼器在linux操作系統下的實時編解碼，並實現了能顯著提高編碼效率的幾種可選編碼模式，主要包括先進預測模式、先進幀內編碼模式、塊邊界濾波模式和改進量化模式等。
  12. Then describe three aspects of the key techniques of using linux as the development tools of embedded system including the real - time variant of linux ? ? rt linux and it ' s principle, implementation and the programming ; the network coding in linux kernel and the analysis of linux network device drivers and the online debug environment of linux kernel and rtlinux kernel. i have also involved the implementation of embed linux / rtlinux in a floppy to simulate the embedded environment. in the last part of this thesis, i give the suggestions and prospect of the development of a mature embedded system which have the most competition ability in china market base on the current work

    緊接著，分兩個方面論述使用linux進行嵌入式系統開發的便利，包括linux的實時變種? ? rtlinux的原理、實現方案和編程方法，並且編程實現了一個計算實時任務調度時間的軟體； linux網路設備驅動程序的分析和利用到嵌入式系統中的方案；然後，以作者在黑龍江傲立信息有限公司課外實習期間的實際工作經歷，介紹了基於lineo公司的ucsimm開發評估板進行嵌入式設備開發的一般過程。
  13. The experimental results show that the compressed average bit is 8. 3674, 1. 2442 bits less than the original entropy, and the efficiency of rice coding achieves 98. 81 %. and the algorithm also has the advantage of real - time encoding in the system

    經過無損壓縮演算法處理，管道泄漏信號壓縮后的平均位數達到8 . 3674bits ，比原始信息熵降低了1 . 2442bits ; rice編碼的編碼效率達到了98 . 81 % 。
  14. Algorithms of video segmentation that are good adaptive character and real time are crucial to the final mpeg 4 coding products there exist the contributions in this dissertation as follows obtaining the edge of video objects is crucial to the video segmentation, author researches the features of human being visual, especially giving a description of mach band that is usually used in the image processing, and builds a model of mathematics, researching the mach band of color image

    （ 1 ）視頻分割的關鍵是獲得視頻對象的邊界，邊緣檢測很重要，本論文以人類的視覺系統的特性為出發點，對圖像處理中經常應用的馬赫帶現象進行了詳盡的分析並進行了數學建模，研究分析了彩色圖像的馬赫帶現象。在對馬赫帶圖像分析的基礎上，得出了人類視覺系統對圖像邊緣能識別的最小灰度差和彩色差曲線。
  15. In this paper, the problem of video data real time transmitting for machinery facilities remote monitor and control system in network environment is discussed, and a dynamic adaptive coding method is proposed to coordinate the contradiction between the transmission speed and quantity of the data

    摘要根據機械設備遠程監控系統中視頻數據的實時網路傳輸問題，提出用動態適應視頻編碼技術協調傳輸數據量和傳輸速度之間的矛盾。
  16. It is introduced in detail in this thesis, too. thirdly, on the basis of analyzing the capability requirement of g. 723. 1 ’ s real time realization, various methods are used to optimize the original code. finally, g. 723. 1 speech coding and decoding are realized on tms320vc5501 dsp in real time

    接著設計了整個系統的軟體結構，然後在分析g . 723 . 1標準實時實現的性能指標的基礎上，對標準給出的演算法進行了多方面的優化，最終在tms320vc5501dsp上實時實現了該標準，話音質量良好，達到了通信質量的要求。
  17. We concluded that designing dsp and wavelet transform + spiht coding + mrme method based video compressing system is applicable. if real - time video data collection part is added, we can get a perfect real time video collecting and compressing system

    在dsp上實現小波分解+ spiht編碼+小波域內運動預測方法進行視頻壓縮具有較好的實用性，如果在系統中加入實時視頻信號採集，可形成完整的視頻採集壓縮系統。
  18. In order to accelerate h. 26l real - time coding, mmx technique might be effectively used to optimize part code that takes the most time and executes the most times, which may help to decrease the coding time

    在要加速h . 26l的實時編碼速度，一個行之有效的方法便是採用mmx技術對其執行時間最多、執行次數最多的部分代碼進行優化，以減少編碼時間。
  19. Finally, vedio real - time decoding is realized on product board. 4. revolving intel mmx / sse optimization technology, vedio real - time coding

    4 .以intelmmx / sse優化技術為核心，研究jm9 . 1編碼部分的結構和原理，實現視頻編碼演算法優化。
  20. Combined with the development of the multimedia communication and introduced tcp / ip, a long - distance video monitor system is designed which can realize real - time coding and decoding on pstn and has a good value in practice

    本文結合現代多媒體通信技術發展趨勢，設計出了一種基於tcp ip通信方案，使用h . 263軟體編解碼器，並可實現在pstn上實時編解碼的遠程圖像監控系統，只有較大的實用價值。
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