編碼通信 的英文怎麼說

中文拼音 [biāntōngxìn]
編碼通信 英文
code communication
  • : 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...
  • : 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...
  • 通信 : communication; communicate by letter; correspond
  1. ( 3 ) according to the characteristics of the selected objects, the selecting processes and the practical problems in the process of establishing a scm - oriented ave, a three - stage plan and evaluation architecture of partner enterprise selection are presented and a multi - objective optimization model for selecting partner enterprises in aves are given. by means of the methods of integer planning, benchmarking, analytic hierarchy process ( ahp ) and so on, the fuzzy values of critical decision - making factors ( such as

    過實際應用驗證,該erp系統具有統?一致的、較好的開放性、集成性、外延性,併兼顧了自動與人工、用化與行業化兩方面,使系統具有較高的柔性和較強的實用性,可輔助企業實現科學、可靠的產品報價和即時生產it卜該erp系統既不失mnyll的系統性和嚴密性,又保持了ji
  2. The channel coding technology can avouch the reliable message transmission and have some considerable coding gains

    技術能夠保證可靠的息傳輸,並能夠提供相當大的增益。
  3. Firstly, the concepts actuality, development is expatiated, and development of mis is tamper with enterprise, the point is necessary that the research and exploration of materials mis through analyzing and confirming about function, communication performance, coding and etc. to suggest the advice of new system after finding problems and shortcoming in the old system, and some requirements and require about new system have been discussed. to compare busywork manner and effects of operation flow in existense and in the future through particular analysis o f three operation flow, the one of the important production in this dissertation is that giving birth to mew mis " advantage through comparing each other

    它首先闡述了管理息系統的概念、現狀、發展狀況以及管理息系統的發展對企業的影響,接著過功能要求、息要求、性能要求、要求等方面的分析、論證,闡述了企業物資管理息系統的研究和開發不僅是必要而且是十分迫切的觀點。其次是在找出企業原系統存在的問題和不足之處的基礎上,提出新系統的建議。並對新系統所應滿足的各種需求和要求進行了探討。
  4. 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

    該語音器的硬體基於tms320vc5410 ,演算法遵循itu - tg . 729a協議,能夠實現語音號的採集/回放、/解以及同嵌入式cpu等功能,在8kbit / s的率下能夠提供獲得良好的語音質量。
  5. On the base of researching the theory of the scheme and analyzing the signal feature, it is obtained that the existence manners and character of distance information in the differential frequency signal. at the same time, a new conclusion is gained that the technology of frequency agility can decrease the constant error of system. it is also to say that frequency agility and frequency modulation fixed - distance fuze has the similar feature to random period frequency modulation fixed - distance fuze. according to the theory of address coding in the hopping - frequency communication, the paper presents the principle of selecting the frequency agility sequence which fit to the radio fuze and constructs the frequency agility sequence family based on the rs codes

    在深入研究方案原理和分析號特徵的基礎上,獲得了該體制引差頻號中,距離息的存在形式和特點,得出了頻率捷變技術的引入降低了系統定距固定誤差這一新的結論,即頻率捷變調頻定距引在定距性能上具有類似隨機周期調頻定距的特徵。本文引入跳頻地址理論,結合無線電引的具體特徵,提出了適用於無線電引的頻率捷變序列的選擇原則,並構造了基於rs的寬間隔頻率捷變序列族。
  6. Lc apparatus almost meet all the needs of space optical communication such as weight, size, power consume, life, cost, driving voltage, intergration of optics and electricity, programe, optically take ? over aperture, beam scanning, deflexional range and so on. switches, deflexional facilities and scanning equipments which made with lc have been used in the system of labor in space communication. the only bug of lc apparatus is that their answer speed only get microsecond rate or submicrosecond rate. but it is practical for them to be used in special beam capture, scan, deflexion controling which don ’ t concerned with code rate and code type

    液晶器件幾乎滿足空間光的所有大的指標要求如重量、尺寸、功耗、壽命、成本、驅動電壓、光電集成、可程性、光學接收孔徑、光束掃描和偏轉范圍等等。液晶光開關、光偏轉器、光掃描器已經開始應用於光纖的實驗系統中。液晶類器件應用於光的唯一重大缺陷,是其響應速度目前只能達到微秒級或亞微秒級,不過,在不涉及到率的空間光束捕獲、掃描、偏轉、控制方面,液晶器件完全可能進入實用化。
  7. This scheme firstly determined the operating mode of coded video stream in nal layer according to the current channel state before they were packed. the coded video stream operated under ssm in error - free channel so as to reduce the packing tradeoff and increase the coding efficiency. while in error - prone channel, they operated under dpm combined with improved unequal error protection ( uep ) scheme based on human eyes characteristic in order to elevate their robustness to channel error

    該方案中視頻息在進行打包封裝前,首先根據當前道狀態息自適應地確定其在nal層中的工作模式,在無丟包道中採用單數據片模式以降低視頻流的打包開銷,提高效率;而在丟包道中採用數據分區模式以提高視頻流對道誤的魯棒性能,同時基於人眼視覺特性,提出了一種改進的uep策略。
  8. 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 ) .用自定義方案,將數字和字母( ascii)轉換成二值條圖;對該圖形進行振幅型雙隨機相位加密變換,得到原息的加密灰度圖;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率,對於20次列印-掃描實驗,誤率不大於0 . 0026 。
  9. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下,頻帶資源緊張,音頻傳輸帶寬有限且復雜多變,而各種音頻數據又日益增多的局面,本文研究小波分析在號處理方面的數學依據和在數據壓縮方面的實際意義,在前人不斷工作的基礎上,提出了一種優化小波包變換方案用於音頻數據的壓縮演算法,兼考慮了效率、多率和壓縮時延多個方面,並在matlab環境下做了模擬實驗,對各種音頻號及多種小波函數做了模擬結果比較,實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果,達到多率下實現實時的過程,在高速dsp晶元等硬體設備支持下,可以有效應用於實際復雜多變
  10. 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」 ;針對語音號端點檢測困難的特點,過matlab模擬試驗,給出了能夠準確確定數語音端點的初始和改進參數表;提出了利用基於線性預測倒譜參數和差分線性預測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語音識別系統,在保證系統實時性的同時,實現連接漢語數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。
  11. The columns and rows are constrained by each other. the simulations over binary symmetric channe ( lbsc ) and gilbert - elliott channel ( gec ) shows the performance is great improved, especially over burst error channel peak signal to noise ratio ( psnr ) is improved more. it is tried to be used in wireless communication system

    模擬結果表明,採用行列交替約束的約束維特比譯以後,性能得到較大的提升,尤其在突發錯誤道中,傳輸的圖像經乘積進行與譯后峰值噪比有明顯的提高。
  12. The simulation results show that the information hiding technology based on channel coding has better imperceptibility and security

    模擬結果表明基於息隱藏技術具有較好的不可檢測性和較高的安全性。
  13. Information technology - computer graphics - metafile for the storage and transfer of picture description information - part 4 : clear text encoding

    息技術.計算機圖形.圖像說明息的存儲與傳送用元文件.第4部分:明報文
  14. In order to improve the quality of the voltage signals, this paper has adopted the scheme of three phases and six organs in signal - generator part, which can eliminate the errors caused by the assembly warp and the zero shift of organs. this paper also has analyzed the distribution and varying rules of the magnetic field in the signal - generator part, then based on the conclusion of the analysis improved the structure of signal - generator, which could completely eliminate the noise signal caused by the roughness of the face on the magnetic steel ring. the improvement not only met the requirement of this study, but established the theory foundation for the super - high precision magnetic encoder in future research

    因此,為提高原始電壓號的質量,本文採用三相六元件的號發生方案,過差分處理濾除了由於裝配偏差和零點漂移帶來的號誤差;本文對號發生結構進行了磁場分析,依據磁場分析的結論對器常用的號發生結構進行了改進,改進后的結構利用積分原理在理論上能夠完全消除號中由磁鋼環表面粗糙度引起的號噪聲,進一步提高了號質量,此結構不僅滿足了本課題的需要,而且為今後研製超高精度的磁電式器奠定了理論基礎。
  15. ( 3 ) study deeply the structure of fat 16 file system and the characteristic of flash disk, and develop the file management software of flash disk to manage nc files effectively according to the management idea of fat 16 file system. ( 4 ) research the module and protocol of reliable communication in serial network, which are composed of arm main control board, dsp motion control board, keyboard board, i / o control board and encoder signal collection board, and then develop communication software of the serial network. ( 5 ) study the principle of displaying char in lcd and the method of embedding font library into operating system, and research deeply the method of embedding chinese font library into os in the light of the characteristic of chinese

    本論文的主要研究內容如下: ( 1 )研究uc os -實時嵌入式操作系統在硬體平臺上的移植及其佔先式內核的任務調度原理,合理分割銑床控制系統的管理任務,根據任務的要求賦予不同的優先級和調度時間,保證任務的執行效率和實時性; ( 2 )開發底層設備驅動程序和應用程序介面( api )函數,以便於進行系統應用軟體的開發; ( 3 )深入研究fat16文件系統的結構和固態盤的硬體特性,參照fat16文件系統的管理思路,開發固態盤文件管理軟體以有效管理nc代文件; ( 4 )深入研究由arm主控板、鍵盤板、 i o控制板、號採集板等裝置組成的串口訊網路可靠的模型及其訊協議,開發串口訊網路軟體; ( 5 )研究字元的顯示原理和在操作系統中嵌入字庫的方法,在此基礎上結合漢字的特性深入研究中文字庫的嵌入方法,開發中文字庫嵌入軟體,滿足開發操作界面的息要求; ( 6 )深入研究三維圖形坐標變換的原理,開發實用的三維加工軌跡顯示軟體,便於操作者對零件的加工過程進行監控和診斷。
  16. The method of sequential indicator stochastic simulation firstly make the geological information discretization code, normally two indicator variables of 0 and 1. then make the kriging theory act on the variables to get the kriging estimation of indicator variables, namely estimation of probability distribution of the variables in a unknown position

    序貫指示隨機模擬方法首先將地質息進行離散成0與1兩值的指示變量,然後將克里金的基本思想用於指示變量,最終得到指示變量的克里金估計,即未知位置變量的概率分佈的估計。
  17. Hence, the requirements of the servo control card are getting much sophisticated. in this thesis, the research work and implementation details of a 6 axes servo control card are discussed. this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder, b ) position limit, c ) dual ram communication with cpu, d ) coordinated control e ) dia conversion

    該卡以ti公司的16位定點數字號處理器tms320f240為核心晶元,實現6路號輸入處理,軸限位中斷處理,過雙埠ram與pc進行訊,接收pc發送過來的控制指令和數據,完成插補運算、聯動運算等控制,過d / a轉換電路,將結果轉化為模擬電壓送伺服放大器驅動電機。
  18. The assumption that the channel is known is questionable in a rapidly changing mobile environment, or when multiple transmitter antennas are employed. unitary space - time codes and differential unitary space - time codes do n ' t need any channel information. we discuss the unitary space - time codes briefly and study the details of the dustc, including the fundamental differential transmission and receiver equation, and parameters searching algorithm. the parameters searching and simulations results is proposed

    酉空時及酉差分空時( dustc )都不需要息,著重研究了酉差分空時技術,簡要說明了酉空時號形式及星座設計方法;分析了dustc的發送和接收公式,分析了dustc的嚴格pep和sep的聯合界,給出了當snr值在不同的范圍時, dustc星座參數的選取準則,並進行了rayleigh衰落道的模擬。
  19. Ever since its initial appearance, network coding has quickly developed into a research field that has fundamental influence on information theory, coding theory, networking, switching theory, wireless communications, computer science, cryptography, operations research, and matrix theory. it is now one of the hottest topics being worked on by researchers from leading universities and industrial laboratories worldwide, and international conferences on network coding have been held on a regular basis

    網路理論( networkcodingtheory )始源於香港中文大學,是網路研究領域中一項重要突破,自從首次提出以來,網路已迅速發展成一個重要的研究范疇,並對息論、網路、網路交換理論,無線、計算機科學、密學、運籌學、矩陣理論等領域帶來影響深遠。網路是現今世界各地一流大學及工業實驗室最熱門研究領域之一,亦是許多國際研討會的熱門議題。
  20. Network coding has brought about a paradigm shift in network applications. ever since its appearance, network coding has quickly developed into a research field that has fundamental influence on information theory, coding theory, networking, switching theory, wireless communications, computer science, cryptography, operations research, and matrix theory

    網路帶給網路應用一場範式革命,自提出以來,網路已迅速發展成一個重要的研究范疇,並對息論、網路、網路交換理論,無線、計算機科學、密學、運籌學、矩陣理論等領域帶來影響深遠。
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