編碼數字通信 的英文怎麼說

中文拼音 [biānmǎshǔzìtōngxìn]
編碼數字通信 英文
coded digital communication
  • 編 : Ⅰ動詞1 （編織） weave; plait; braid 2 （組織; 排列） make a list; arrange in a list; organize; gr...
  • 碼 : 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...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 字 : Ⅰ名詞1 （文字） character; word 2 （字音） pronunciation 3 （字體） form of a written or printed ...
  • 通 : 通量詞（用於動作）
  • 編碼 : encoded; code; coded; encrypt; codogram; coding編碼表 encode table; 編碼程序 builder; 編碼尺 code...
  • 數字 : 1. （表示數目的文字; 表示數目的符號） figure; digit; numeral; character; numeric character 2. （數量） quantity; amount
  • 通信 : communication; communicate by letter; correspond
  1. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  2. Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images

    本論文在設計圖像監控系統的建設目標和總體方案的同時，重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現，給出了圖像監控系統中的終端接入和框架設計、雲臺解碼控制與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主，機器為輔，智能化程度低，不能全天候工作的現狀，本文採用先進的數字圖像壓縮編解碼技術、數字圖像傳輸技術，將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤，克服了一般監控系統要求監控人員過多地干預、智能化程度低的缺陷，並總結了其特點和優勢。
  3. Category systems are its techniques to gather data, and it has three forms : coding system, tally system or checklist and rating scale. they all produce some numbers as the form of the data the data are analyzed by the way of statistics. in the last part, the article talks about the qualitative observation

    記錄課堂信息的方式主要有三種：編碼體系、記號體系核查清單以及等級量表，通過這些結構化的體系所記錄的信息多以數字的形式呈現，而這些數據資料進行分析的方法有簡單的計算，也有較為復雜的統計分析方法。
  4. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控制模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼； fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控制；視頻數據幀存模塊為大量高速的視頻數據提供緩沖區；基準時鐘產生模塊通過輸入基準視頻信號為系統提供精確的相關同步信號； d a編碼模塊在視頻處理模塊的控制下把數字視頻數據轉換成復合電視信號供顯示用： i ~ 2c總線控制模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  5. By choosing non - hybrid dictionary, blocking artifacts of dct system can be avoided ultimately. the cost of coding motion information is reduced, so the visual quality of images at low bit - rates is improved. 4

    而且，通過選擇非晶格結構的字典（原子函數之間允許重疊） ，從根本上避免了低速率dct系統帶來的方塊邊緣失真，增加估計的精度，減少對運動信息編碼耗費並提高在低速率下的視覺效果。
  6. The voice recording instrument adopts 8bit pcm and 4bit adpcm voice coding and decoding mode, can record the eight - channel voice signal simultaneously. it can save the recorded data in the flash memory or in the pc through the ethernet. the recorded voice signal data also can be played back

    該語音記錄儀採用8位pcm或4位adpcm語音編解碼方式工作，可實現8路音頻輸入信號同時錄音;能夠將錄制的數字語音數據存儲在nand型flash中或通過以太網介面上傳到pc機存儲;能夠將錄制的數字語音數據進行回放。
  7. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system, and so on

    Reed - solomon （簡稱rs碼）是一種具有很強的糾正突發和隨機錯誤的通道編碼方式，在深空通信、移動通信、磁盤陣列以及數字視頻廣播（ dvb ）等系統中具有廣泛的應用。
  8. Reed - solomon code, a powerful error correcting code for burst and random errors, is widely applied to deep space communications, mobile communications, disk array, digital video broadcasting system ( dvb ), and so on

    Reed - solomon碼（簡稱rs碼）是一種具有很強糾正突發和隨機錯誤能力的通道編碼方式，在深空通信、移動通信、磁盤陣列以及數字視頻廣播（ dvb ）等系統中具有廣泛的應用。
  9. Voice encoders may be further enhanced by encoding digital signals at variable encoding rates

    語音編碼器可以通過在可變編碼率編碼數字信號進一步加強。
  10. Dtv ( digital television ) technology integrates the most advanced image compressed encoding technology and the digital communication technology. it has become one of the focuses in the high - tech competitions. having the imitative in this field will take the lead of high technology in the future, and get great chance in the growing market

    數字電視（ digitaltv ）技術是當今世界上最先進的圖象壓縮編碼技術和數字通信技術的結合，是當今世界高技術競爭的焦點之一，掌握了這一技術就可能搶佔到未來電子技術的制高點，控制新一代電子產品的市場，搶占商機。
  11. According to this requirement, the railway mobile digital communication system based on the gsm system for mobile communication is put forward in this paper to accomplish the data transfer between the control center and the locomotive. in this paper, the design of the ms ( the mobile station ) and the erected bs ( the base station ) out of the gsm cover is carried out. last we discuss the key techniques of the railway mobile digital communication system, the handoff and the error _ correct coding

    本文針對這種要求，在gsm移動通信系統的基礎上提出了建立電力機車移動數字通信網以實現機車與控制中心之間的數據傳輸的方案，設計了系統中車載移動臺、 gsm覆蓋區外自建基站的基本構造，分析了系統中越區切換、糾錯編碼等關鍵技術，並詳細的闡述了其實現方法。
  12. Then we uses the scheme that has the variable gain based on the kalman filtering model realize two steps phase - locks ring circuit track technology, this kind has the advantage that when changed the gain the digital phase - lock link to be allowed simultaneously to realize the fast capture and the reliable track, the simulation analyzes its capture performance

    模擬結果表明，自編碼直擴通信系統的編碼捕獲性能具有可行性。採用基於卡爾曼濾波模型實現具有可變增益的二階鎖相環路的跟蹤技術，這種具有時變增益的數字鎖相環可以同時實現快速捕獲和可靠跟蹤，其捕獲性能要比傳統數字鎖相環改善很多。
  13. With the development of digital communication and multimedia technology, the research on very low bitrate video coding technology is becoming more important. this thesis mainly studies the low bitrate video coding based on h. 263 standard

    隨著數字通信和多媒體技術的發展，極低碼率視頻編碼技術的研究變得尤為重要。本文主要對基於h
  14. Through using for reference and demonstrating the technology of video processing system of domestic and foreign, author has put forward a set of video processing system schemes suitable for the china " s actual conditions. by using the digital technology, such as digital encode - decode, digital phase - locked, digital filter, digital image storing, the system schemes realizes tv signal noise reduction and time error elimination in real time, and makes the system be a integrated noise reduction and time based corrector really

    通過借鑒和論證國內外時基校正和視頻降噪的相關技術，作者提出了一套適合於中國國情的視頻處理系統軟、硬體方案實現模擬電視的信號數字轉換以及利用數字編解碼、數字鎖相、數字濾波、數字圖像存儲等數字技術來實現電視信號實時去噪和消除時基誤差，使系統真正做到集時基校正與降噪一體化。
  15. Speech coding is of great importance in digital communication systems

    語音編碼技術在數字通信系統中起著重要的作用。
  16. Ln sending port, video capture card of wlnnov company, videum vo is used to get real time still ilnages and save them to hard disk as bmp forl11at files. thel1, dsp is used to finish wavelet transformation and changed zero tree coding

    發送端通過winnov公司的pci採集卡videumvo實時採集靜態圖像，以真彩色bmp文件格式保存到硬盤上，再由dsp進行小波變換，用零樹法壓縮編碼，並將壓縮后的數字化信號進行傳輸。
  17. Hdtv ( high definition television ) technology integrates the most advanced image compression encoding technology and the digital communication technology, which is representative of the third generation television

    高清晰度電視（ hdtv ）是當今世界上最先進的圖像壓縮編碼和數字通信技術的結合，是第三代電視的標志。
  18. Mpeg - 2 is an international standard about digital motion picture and audio signalizing for using in telecomunication, broadcasting, storage media and computer field established by iso / iec [ 1 ], [ 2 ]. hdtv ( high definition television ) technology integrates the most advanced image compression encoding technology and the digital communication technology, which is representative of the third generation television

    Mpeg - 2作為數字視頻壓縮技術和國際通用標準，在視聽工業、多媒體通信、數字視頻廣播以及未來的信息高速公路等領域有著廣闊的前景。高清晰度電視（ hdtv ）是當今世界上最先進的圖像壓縮編碼和數字通信技術的結合，是第三代電視的標志。
  19. Other sub - projects in the maglev communication system projects deal with the communication channel, including baseband signal encoding and decoding, transmitting and receiving the wireless signal and baseband signal processing the technique of synchronization is deeply request in the digital communications system

    本課題涉及車地通信系統中基帶的通道編解碼和無線通道的收發，完成通信系統中基帶信號處理部分的部分功能。在數字通信中，同步是一個重點。
  20. Hdtv ( high definition television ) technology integrates the most advanced image compressed encoding technology and the digital communication technology

    高清晰度數字電視（ hdtv ）技術是當前最先進的圖象壓縮編碼技術和數字通信技術的結合。
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