digital coding 中文意思是什麼

digital coding 解釋
數字編碼
  • digital : adj. 1. 手指的;指狀的。2. 數字的,數據的。n. 1. (鋼琴等的)琴鍵。2. 手指。
  • coding : n. 編碼;譯成電碼。
  1. The hardware of the ip phone codec to be designed is based on the fixed point digital signal processor ( ti ' s tms320vc5410 ) while the compression and decompression core in the software of dsp is based on the itu - t vg. 729a. ip phone codec carryout the task of collecting / playing - back. coding / decoding of speech signal and communication with embedded cpu. etc

    該語音編解碼器的硬體基於tms320vc5410 ,編解碼演算法遵循itu - tg . 729a協議,能夠實現語音信號的採集/回放、編碼/解碼以及同嵌入式cpu通信等功能,在8kbit / s的碼率下能夠提供獲得良好的語音質量。
  2. 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

    本文結合當前語音編碼技術尤其是混合編碼技術的驚人發展及數字信號處理器的日益實用化,研究了語音編碼技術,並重點討論了變速率語音編碼技術。論文簡要介紹語音編碼技術中的波形編碼和聲碼器的主要性能。
  3. Compression coding principle and facture of digital audio frequency technique mp

    的壓縮編碼原理與製作方法
  4. Chapter 3 discusses the modules used in the fh - mpsk and fh - / 4dqpsk systems. these modules include : duc / ddc ( digital up converter / digital down converter ), nyquist flitter, burst start detection, interpolation module, pll ( phase locked loop ), pll error extraction, initial phase correction and the coding and decoding for tcm

    第三章主要討論了跳頻模式下fh - mpsk和fh - 4dqpsk系統中各個模塊的設計,這些模塊包括:上下變頻器、奈奎斯特濾波器、信號到達檢測、插值模塊、通用環路、各環路誤差提取方法、初始相位校正和tcm編譯碼。
  5. This paper consists of six chapters, as listed below : chpt i, isagoge : introduces digital coding technology in audio / visual fields, of its significance in application and its developments abroad. chpt ii, standard and application : standard is always the leading edge of digital coding technology, for example mpeg - 4 and mpeg - 7, best understanding the thoughts and advantages of is designation can do much help using the media file formats as examples in application

    第二章視音頻編碼技術標準及其應用:視音頻編碼的國際標準代表著這一技術的前沿,尤其是目前已廣泛應用的mapeg - 4以及成功開發的mpeg - 7標準,其精髓之處就是引進了面向對象、基於內容的先進設計思想,視音頻中的各種視音頻文件格式就是這些先進技術標準的應用實例。
  6. Firstly introduced the basic theory and method with which the analog signal can be convert to digital form, including sampling theory and course, quantification and quantification error, coding, beside those we discussed some applications of sampling technology, the reason of frequency mixture and the method to eliminate it chapter 4 introduced analog mux - switch, for the reason of simpleness we only introduce it briefly

    從第3章開始,對數據採集的基本理論進行討論,首先介紹了模擬信號數字化處理中的基本理論、方法,包括采樣過程、采樣定理、量化與量化誤差、編碼,還討論了幾種采樣技術的應用、頻率混淆產生的原因及消除措施。第4章,介紹了模擬多路開關。
  7. Information technology - digital compression and coding of continuous - tone still images - registration of jpeg profiles, spiff profiles, spiff tags, spiff colour spaces, appn markers, spiff compression types, and registration authorities regaut

    信息技術.連續色調靜態圖象的數字壓縮和編碼. jpeg提問文件, spiff提問文件, spiff標識符, spiff顏色空間, appn標記, spiff壓縮型和注冊權威機構
  8. 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。
  9. To extent the use of this 1c, some circuit blocks are added. in the design, digital circuits are used to process the signal and control the precision of coding. and some circuits are used in different time by several functions to reduce the number of transistors used and the dissipation

    電路設計中,為了便於信號處理以及控制編碼精度,採用數字的方法進行量階和預測碼的計算;同時,為了減小電路規模,採用了時分復用的概念,用同一部分數字電路實現量階調整和預測碼的生成,增加了編碼精度,減小了電路的規模和功耗。
  10. In the past few years, there has been significant interest in digital video applications like video conferencing and video e - mailing over internet, video telephony over public switched telephone networks ( pstn ) and wireless networks, etc. by removing spatio - temporal redundancies existing in adjacent frames, motion estimation can reduce the coding bit - rate significantly

    低速率視頻編碼技術已在許多領域得到了應用,如在pstn (公共電話網) 、無線網、 n - isdn (窄帶綜合業務數字網) 、 b - isdn (寬帶綜合業務數字網)上傳輸視頻會議、可視電話和無線手持終端等。
  11. Ip voice gateway is a node between the communication control unit and the server of trunking system in trunking system network. its duty is digital compress coding and packetization of the voice in trunking system. it located on the edge of the network and accessed the trunking system into ip network from the kernel network angle

    語音網關作為集群通信系統ip聯網的關鍵設備,它處于集群系統話路控制單元和集群系統服務器之間,起著語音壓縮、分組傳輸的重要作用;從網路的角度來看,它處于ip網路和集群無線通信系統之間,把集群通信系統接入ip網路。
  12. Is - 95, a wireless digital cellular standard based on cdma ( code division multiple access ), adopts convolution code as its channel coding part. the third generation wireless cellular standard adopts turbo coding, which stems from convolution coding, as its channel coding part

    以cdma ( codedivisionmultiplexaccess )為基礎的數字蜂窩標準is - 95採用卷積碼作為其糾錯方案;第三代數字蜂窩無線通信標準也採用并行級聯卷積碼( turbo碼)作為其糾錯方案。
  13. Convolutional coding is a coding scheme often employed in deep space communications and recently in digital wireless communications. it offers an alternative to block codes for transmission over a noisy channel

    卷積碼被運用於衛星通信和無線通信系統中,它提供了一種不同於分組碼的在噪聲通道下傳輸信息的一種編碼方案。
  14. Digital compression and coding of continuous - tone still images : requirement and guidelines

    數字壓縮和連續影調靜止圖像的編碼:要求和導則
  15. Information technology. digital compression and coding of continuous - tone still images : extensions

    信息技術.連續影調靜態圖像的數字壓縮和編碼:擴充
  16. Information technology - digital compression and coding of continuous - tone still images : extensions

    信息技術.連續調次靜止圖像的數字壓縮和編碼:擴展
  17. Study on a new type of digital coding track circuit

    一種新型的數字編碼軌道電路
  18. Design of digital coding waveform generator based on pci

    的可程式控制編碼發生器的設計
  19. Science and technology develops rapidly in the 21 th century, especially technologies of computer, communication and internet, the audio - visual information technology makes people exchange, search and transfer information more efficienctly, which is the perfect work of digital coding technology

    隨著科學技術,特別是計算機技術、通信技術和internet網路的飛速發展,無庸置疑,視聽信息成為人們迫切需求的主流信息,在視音頻數據內容的檢索、交換和傳遞等過程中,時刻都要應用數字編碼技術。
  20. In this paper, at first, we analyzed the feasibility of dynamic focusing by interpolation method, and then introduced our particular design of digital - coding emission, dynamic filter, dynamic focusing and digital i / q demodulation in digital front - end based on fpga

    論文首先在理論上分析了內插式數字動態聚焦實現的可行性,然後對數字前端的關鍵技術:數字編碼發射、動態濾波、動態接收聚焦、變跡變孔徑、正交包絡檢波等的fpga實現進行了詳細的闡述並給出了實現方案。
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