現代通信 的英文怎麼說

中文拼音 [xiàndàitōngxìn]
現代通信 英文
modern communication system
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 通 : 通量詞（用於動作）
  • 現代 : 1 （現在這個時代） modern times; the contemporary age [era]2 （現代的） modern; contemporary現代...
  • 通信 : communication; communicate by letter; correspond
  1. Forward error correction ( fec ) has been widely used in the modern communication system

    在現代通信系統中，前向糾錯（ fec ）得到了廣泛的應用。
  2. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  3. In a word, dead against transportation characteristic, linked closely with the development of modern communication technology and national public communicating network, the article is of significance for reference to construction and development of highway framework, water carriage channel. harbor hinge and traffic support system

    總之，本文從交通行業的特點出發，緊密結合現代通信技術和國家公眾通信網的發展，對公路主骨架、水運主通道、港站主樞紐和交通支持系統的建設和發展具有借鑒意義。
  4. As the key block of the wireless communication transmitter in rf, it is very useful in improving the output power and efficiency, lowering the loss of the supply, lowering the size and the weight, lengthening the time of communication. class e power amplifier which is suitable to amplify envelop signal is very important in modern communication system

    功率放大器（ pa ）作為無線通信射頻發射機中不可缺少的關鍵電路，對于提高手機的功率效率、降低電源損耗、減小體積重量、延長通話時間有著舉足輕重的作用，而適用於恆包絡信號放大的e類功率放大器，更是在現代通信系統中佔有十分重要的地位。
  5. Fir ( finite impulse response ) filter is one of the basic algorithms for digital signal processing, which is a kind of important lti discrete - time system, widely used in acoustic processing and image processing area

    Fir （ finiteimpulseresponse ）濾波器是數字信號處理的基本演算法之一，是一類較為重要的線性時不變系統，廣泛應用於聲音、圖像處理等現代通信技術中。
  6. With the inosculation and development of modern communication, multimedia and high speed connected network techniques, brings the broad - band revolution

    隨著現代通信、多媒體和高速網路互聯技術的融合與發展，引發了寬帶革命的到來。
  7. Modern communication covers a lot of techniques, this dissertation only analyzes and discusses several important problems, trying to master the technology development through these research to adapt the rapid information technology revolution

    現代通信涉及的面很廣，本課題只分析和討論其中一些重要領域的技術問題，力圖通過這些研究，掌握技術發展，適應迅速發展的信息技術革命。
  8. Convolutional coding is an error - control coding to process continuous data stream. the viterbi decoding algorithm is a type of maximum likelihood algorithm for memoryless channel. the convolutional coding employed with viterbi decoding algorithm has already become indispensable channel coding scheme in modern communication systems

    卷積碼是一種糾錯編碼，它可以對連續的數據流進行處理; viterbi譯碼演算法是一種對無記憶通道卷積碼進行譯碼的最大似然譯碼演算法，使用viterbi譯碼演算法的卷積碼已成為現代通信系統不可缺少的通道編碼方案。
  9. In modern communication system, the inter - symbol interference ( isi ) caused by non - ideal character of channel is the main factor which affect communication quality

    現代通信系統中，由於通道的非理想特性而引起的碼間干擾（ isi ）是影響通信質量的一個主要因素。
  10. In modern communication, rs code has turned into standard error correcting and coding unit as outer code, and become widely used

    由於在現代通信中， rs碼作為外碼成為標準的糾錯編碼單元，用途十分廣泛。
  11. Researches the basis watermark managing works particularly and systemly. there are many works to do on watermak technology except watermark embedding and extraction arithmetics such as the watermark choosing, encoding, modulating, demodulating and the watermark capacity. these prior and ultimate works ensure that the arithmetic is brought into effect. just understanding these, this paper analyses and researches the basic watermark theoretics in many pages. it brings forward chaos modulation on watermark modulating, brings forward chaos permuting on image permuting, introduces bch encoding on letter watermark processing and discusses the approximate estimate of the watermark capacity in dct domain and dwt domain by applying the current communication theoretics. there works not only extend ways for the later work but also are significative on watermark research

    全面系統地研究了水印信號的處理技術數字水印技術除了水印嵌入和提取的演算法外，還有許多工作需要做，如水印的選碼、編碼、調制、解調、能量的確定等等，這些預處理和后處理工作是演算法有效實施的必要保證，正是基於這樣的認識，本文利用較大的篇幅對水印的基本理論知識進行了詳細的分析和研究，在水印的調制方面，提出了混沌調製法；在圖像水印的置亂方面，提出了混沌置亂法；在文字水印的處理上，引入了bch編碼；在水印容量分析方面，結合現代通信理論，對圖像在dct域和小波域內的水印容量估算進行了詳細的探討，這些工作不僅為本文後期工作鋪平了道路，而且對數字水印的研究具有重要的意義。
  12. Send the real - time position, velocity of the moving object. received by gps oem caxd, associaied with the status information of the vehicle devices, to the monitoring centef, by way of the mobile conununication network. the monitoring system, based on some gis software, displays the tracks of the mobile objects on the eiectronic map, and users could supervise and query their iaterested parameters such as the location or velocity of the vehicle, the general information of vehicles, as so on, so that provide bases for vehicle management, improve the efficiency, or assure vehicles against accidents

    車輛監控系統是its的重要組成部分之一，它將全球衛星定位技術、地理信息技術（ gis ）和現代通信技術結合在一起，通過將裝有gps接收機的移動目標的動態位置、速度、狀態等信息，實時地通過無線通訊鏈路傳送至監控中心，在具有強大的地理信息查詢功能的電子地圖上進行移動目標運動軌跡的顯示，並可以對目標的準確位置、速度、運動方向、車輛狀態等用戶感興趣的參數進行監控和查詢，為調度管理提供可視化依據，提高車輛的運營效率，確保車輛安全。
  13. The basis for our modern system of communication began when samuel mores invented the telegraph, alexander graham bell invented the telephone, and guglielmo marconi invented the telegraph without wires

    現代通信系統的起點是從薩繆爾?摩爾斯發明電報、亞歷山大?格雷漢姆?貝爾發明電話、以及古格里莫?馬可尼發明無線電報開始的。
  14. Abstract : a new technology of frequency tracking and synchronizing is given in this paper at the first time. this technology is digital non - temporarystate frequency tracer, in which digital and logical circuit is adopted to accomplish frequency - tracking and synchronizing accurately. it has some advantages such as simple circuit, adjustable relationship of inpur and output, no temporart state procedure, so this technology has wide application foreground in electrical technology and modern communication field

    文摘:提出一種新的頻率跟蹤技術? ?數字式無暫態頻率跟蹤器，該技術採用數字邏輯電路實現了頻率精確同步跟蹤，具有電路簡單、輸入輸出頻率關系可調、沒有暫態過程等優點，在電子技術和現代通信等科技領域具有廣泛的應用前景。
  15. High - speed data transfer technique is one of the key hotspot aspects in modern communication system

    高速數據傳輸處理技術是現代通信系統研究的主要新熱點方向之一。
  16. There are a good many actual significances for the miniaturization of microstrip antennas in the fields of modern communication, navigation, orientation, and electronic countermeasure, etc. the research and exploitation of compact antennas with high performance are becoming one of the hotspots in the antenna field

    微帶天線的小型化已成為現代通信、導航、定位、電子對抗等領域的研究熱點之一。目前，國內外研究者已經提出了很多關于微帶天線的小型化的實現方法，包括採用特殊材料、特殊結構或附加有源網路等。
  17. System of hydrologic data collection and transmission can automatically collect, transmit and process the real time data such as rainfall, stage and discharge with the latest achievements in communication and computer technology

    摘要水情信息採集系統是應用遙測和現代通信技術，實現江河流域降雨量、水位、流量等數據的實時採集、報送和處理的信息系統，它具有傳輸數據量小、通信網路分佈地域廣以及通信條件比較惡劣等特點。
  18. Modern communication is often done through computers

    現代通信一般是通過電腦進行的。
  19. Simulation and analysis of communication system based on simulink

    的現代通信系統模擬分析
  20. Fiber amp; wireless equally important in modern telecommunications development

    光纖與無線同樣是現代通信發展的重點
分享友人
分享到 Line

分享到臉書