數字通信系統 的英文怎麼說

中文拼音 [shǔzìtōngxìnxìtǒng]
數字通信系統 英文
dcs digital commuication system
  • 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）
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 統 : Ⅰ名詞1 （事物間連續的關系） interconnected system 2 （衣服等的筒狀部分） any tube shaped part of ...
  • 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
  • 系統 : 1. （按一定關系組成的同類事物） system 2. （有條理的;有系統的） systematic
  1. A kind of technique of base - band figuration in digital communication systems

    一種數字通信系統中的基帶信號成形技術
  2. In term of the probability of communication system and perturbance theory, the model of the effect of srs to error bit ratio in communication system is established. through the way numerical of simulation, limitations to srs to error bit ration of communication system and input optical power, the number of channel etc are discussed. the obtained conclusion has definitely reference value to the design of practical communication

    根據數字通信系統幾率的特性和微擾理論，建立了受激喇曼散射對通信系統誤碼率影響的理論模型，並通過數值模擬討論了受激喇曼散射對系統誤碼率、最大輸入功率和通道數等的限制，獲得了一些對實際光通信系統設計有參考價值的結論。
  3. The communication system ' s performance is briefly analyzed by channel capacity, which is a function of bit error rate ( ber ). the decision rule is based on the most likelihood method. for reproducing the original binary signals more correctly, time scale transformation method and the approach of ensemble average probability of error bits are introduced

    通過理論分析和模擬實驗，本文研究了這個非線性數字通信系統性能，給出了誤碼率和通道容量公式，提出了系統參數調節方法，採用最大似然法設計了適合這個系統輸出的判決規則。
  4. Bit synchronization circuit design for digital communication system

    數字通信系統位同步電路設計
  5. Performance analysis of underwater acoustic digital communication system in a shallow water channel

    淺海通道水聲數字通信系統的性能分析
  6. System and interface on surface equipment for vhf digital communication between heaven and earth

    天地vhf數字通信系統地面設備體制及介面
  7. The code includes various routines that simulate or compute aspects of digital communication systems

    代碼包含各種規則模擬和計算數字通信系統各個方面！
  8. The digital signal processing technology has becoming the kernel of wireless digital trans - receiving system

    數字信號處理（ dsp ）技術則為無線數字通信系統發展的核心。
  9. Equalization technology is a effective method which can remove intersymbol interference ( isi ) in digital communication

    均衡技術是數字通信系統中克服碼間干擾的有效方法，目前得到了廣泛應用。
  10. Modulation technology are well - suited to the implementation of analog interfaces in digital communication and signal processing systems

    Adc非常適合用來實現數字通信系統和信號處理系統中的模擬介面部件。
  11. In digital communication systems, intersymbol interference ( isi ) is often encountered when unknown signals are transmitted through nonidea channels

    數字通信系統中，信號在傳輸過程中不可避免會產生碼間串擾。
  12. It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping

    本論文緊緊圍繞著數字通信系統中的載波恢復技術，在介紹了有線通信系統所用的調制解調通道模型后，首先闡述了載波恢復技術的思想和基本原理，在此基礎上給出了三種載波恢復演算法，即判決導向演算法、簡化星座判決演算法和掃頻演算法，並且給出了其各自的模擬圖：然後深入研究了一種適合高階qam並且能糾正較大頻偏的載波恢復技術：極性判決演算法。
  13. The constant modulus algorithm ( cma ) is the most widely used algorithm in digital communication systems due to its simplicity and robustness. in this paper we analysis the inherent limitation of cma which lead to a tradeoff between convergence rate and misadjustment, and propose several variable step size cma by putting variable step - size theories into cma. the convergence performance of the proposed algorithms is illustrated by computer simulations

    本文對數字通信系統中廣泛應用的bussgang類盲均衡演算法? ?恆模演算法（ cma ）進行了深入研究，分析了制約其性能進一步提高的因素，將變步長理論應用於恆模演算法，提出了一系列恆模改進演算法，並通過計算機模擬對改進演算法的收斂性能進行了驗證。
  14. These years, the use of burst mode data transmission is increasing in digital - communication systems. these systems use point - to - point and point - to - multipoint connections over optical, wireless, and coaxial media

    近年來，突發模式的數據傳輸方式正在越來越多的應用於數字通信系統中，這些系統通過光纖、無線和同軸電纜等媒質實現點到多點的連接。
  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. Suitable for the microwave equipment and body of the digital communication system and join the body in the cable or the micro - strip line frequently in the loop frequently

    適用於微波設備和數字通信系統的射頻迴路中連接射頻電纜或微帶線。
  17. Secondly, we used the dsp assembly language to perform the carrier phase tracking based on a digital processing system. this system is designed according to the idea of software radio. this digital processing system realized the intermediate frequency digitalization. with the diverse configuration of the digital upconverter and digital downconverter in this system, it can carry through many signal modulation modes. and because the carrier phase trac king is performed using software in dsp, it brings great convenience to this system and makes this system available in many digital communication systems

    在該數字處理平臺上可通過加載不同的軟體對平臺中的數字上下變頻器進行靈活的配置以實現不同的數字調制解調制度，通過將載波的相位跟蹤工作放在dsp軟體中進行帶來了很大的靈活性，能夠適用於當前許多種數字通信系統。
  18. In the point of - information theory ; - the - baseband binary pulse amplitude modulated ( pam ) signal transmission, via turning the nonlinear receiver ' s parameters, is studied over an additive white gaussian noise ( awgn ) channel. it is demonstrated that the channel capacity of binary communication systems, for a given signal added noise, can be maximized by optimal designed receivers. this new form of sr is referred to as psr in a broad sense

    本文研究並設計了含有雙穩態隨機共振系統作為一個接收裝置的基帶數字通信系統，在加性高斯白噪聲通道中，通過研究這個非線性接收器的性能，發現了數字信號傳輸中存在的參數調節隨機共振現象?通道容量隨著系統響應速度的增加具有一個共振峰值，並對這種非線性現象發生的基本機理進行了解釋。
  19. Synchronization is the commander of every digital communication system, without it the system is unable to work orderly and correctly. a five - tuple of time - frequency diversity is adopted to guarantee that the synchronization signal be retrieved reliably in the receiver

    同步是任何數字通信系統有序工作的「指揮棒」 ，本研究採用5重時頻分集的方法，使得在接收端能夠可靠地恢復出系統工作所需要的同步信號。
  20. Integrated service digital network isdn - signalling system no. 7 ; isdn user part isup version 4 for the international interface - part 21 : anonymous call rejection supplementary service itu - t recommendation q. 731, clause 4 1993

    本標準是室內電纜的導則，它規定了對絞和星絞多芯對稱電纜的定義和要求。這種電纜用於數字通信系統，如綜合業務數字網isdn ，局域網和數據通信系統。
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