音頻傳輸線路 的英文怎麼說

中文拼音 [yīnbīnzhuànshūxiànlù]
音頻傳輸線路 英文
sound line
  • 音 : 名詞1. （聲音） sound 2. （消息） news; tidings 3. [物理學] （音質） tone 4. （姓氏） a surname
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 傳 : 傳名詞1 （解釋經文的著作） commentaries on classics 2 （傳記） biography 3 （敘述歷史故事的作品）...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 音頻 : [物理學] [電學] audio frequency; vf （voice frequency）音頻電路 voice frequency circuit; 音頻振蕩...
  • 線路 : 1. [電學] circuit; line 2. [交通運輸] line; route
  1. And it gave a detailed description of the downloading and verification on hardware. at last the fec system was applied in an audio transmission platform, which gave a good example for how to use the fec system

    最後介紹該前向糾錯電路在數字音頻無線傳輸中的實際應用，這為使用該糾錯電路提供了一個很好的實例。
  2. An algorithm of fec ( forward error correction ) system and it ’ s fpga implementation were researched, . then the fec system was applied to an audio transmission platform. the platform can decrease the error bit rate to 1 10 - 7 when channel error bit rate is 3 10 - 3. veriloghdl was chosen to design the circuits

    研究了一種前向糾錯（ fec ）演算法及基於fpga的相應電路設計，將此電路應用於數字音頻無線傳輸，搭建了一個完整的數字音頻無線傳輸平臺，當無線通道誤碼率為3 10 - 3時，經過該糾錯電路可以降低到1 10 - 7以下。
  3. In other way, the telephone line expander which has many characteristics just as the little of declination, the far distance of communication, the convenience of using and protecting can transmit tone signal directly and is suitable for the performance of telephone line

    同時，電話線路擴容器直接傳輸音頻信號，適合電話線路特性，具備衰耗及串音小，通話質量好和通信距離遠，使用及維護簡便等優點，具有廣泛的應用前景和使用價值。
  4. It realizes the functions of storing and transferring the information of fire alarm, displaying time, scanning keyboards, the safe maintenance of system and so on. the part of wireless communication is controlled by at89c2051 mcu, mainly realizing transmitting and receiving data between controller and other detectors. the external signals received by a wireless module are transmitted to mcu through shaping circuit, and the signals of mcu are transmitted by a wireless module through tone modulation circuit

    人機交互部分以單片機c8051f020為核心，為用戶提供一個良好的操作環境，實現了火災報警信息的存儲及調用、時間的顯示、鍵盤的掃描、系統的安全維護等功能;無線通信部分由單片機at89c2051來控制，主要實現控制器與其它探測裝置之間信號的無線發射和接收，無線通訊模塊接收到的外部信號經過整形電路送入單片機，單片機發出的信號經過音頻調制再由無線通訊模塊發送出去，這樣實現了數據的無線傳輸;本文還從節能的角度出發，兼顧性能的可靠性，提出了一種合理的無線火災報警的信息傳輸模式。
  5. In data communication, the addition of equipment to a leased voice - grade channel to provide minimum values of line characteristics required for data transmission

    在數據通信中，在租用的音頻通道上增加設備以提供數據傳輸所要求的線路特性的最小值。
  6. Transmition velocity relys on the style of encode and modulation essentially during modern data transmition for the quality of using line bandwidth and the immunity of code ties on them tightly. but it is important that the velocity of data transmition reaches its limitation in fact for the interface of environment and cross - talk. so for the improvement of transmition velocity, we must analyze the characteristics of noise signal and the model of line deeply and then take some useful measures to better the immunity of modulation wave

    在現代通信的數據傳輸過程中，傳輸速率本質上是由傳輸的編碼方式和調制方式決定的，因為編碼方式和調制方式直接決定了線路頻帶利用率和碼元抗干擾能力的好壞，因而直接決定了傳輸速率；但是在實際應用過程中，數據傳輸速率是不可能達到理想狀況的，因為環境干擾、串音干擾等因素的存在使得線路的頻帶不可能被完全利用起來；因此，必須認真分析線路的噪聲信號的特性以及噪聲線路的模型，以便在編碼方式和調制方式中針對性的做一些改進措施以改善調制波形的抗干擾能力，使得傳輸速率能夠進一步提高。
  7. There ’ re some shortcomings in the past audio system. firstly, audio channel is connected with an audio cable ; secondly, the installation in multi - room or long distance environment is complex ; thirdly, extra hardware and cable is needed in the management and monitoring of the audio content ; lastly, the audio routing is manually operated or by expensive audio routers, also, the reconfiguration of the audio system is complicated and time - consuming. in comparison with the past audio system, audio and control data can coexist in cat - 5 cable using etheraudio router ; the devices can be separatedly monitored through the ethernet ; audio can be transmitted to single destination or different destination ; audio routing can be easily finished by modifying address

    傳統的音頻系統中，音頻軌道都要與一條音頻電纜相連;多房間、長距離安裝復雜;音頻內容的管理和監控都需要附加硬體設備和電纜;音頻路由需要人工接線或昂貴的音頻路由器，系統的重新配置也是復雜而耗時的過程。 etheraudio音頻路由器可以利用5類線同時傳輸音頻和控制數據;音頻設備可以通過以太網獨立監控;音頻數據可以傳輸到單個或多個目的地;音頻路由可以通過更改地址信息輕易地完成。
  8. For recent years, adsl has world widely employed and widely used in many aspects such as vod, remote medical treatment and e - shopping etc. but we noticed that the traditional telephone networks are designed for the transmission of low frequency signals, and the adsl ' s frequency rang is from 0 to 1. 104mhz, so we must confront the signal attenuation, the loop line noise impairments, the crosstalk interferences, the bridge tap reflections and the rf disturbances problems and many other problems when transmitting the adsl signals one the telephone networks

    近幾年來， adsl在世界范圍內得到充分的使用，廣泛應用於視頻點播、遠程醫療、網上購物等各個方面。但是由於電話線網路是專門為傳輸低頻信號而設計，而adsl的頻譜范圍在0 1 . 104mhz內，因此在傳輸adsl信號時，面臨著信號衰減、線路噪聲、串音干擾、橋接抽頭反射和射頻干擾等等多方面的問題，這就要求在adsl開通之前對線路進行一系列的測試。
  9. This thesis presents a forward error correction ( fec ) algorithm and its circuit implementation, which is used in the wireless digital audio transmission system. also, an entire demo platform is built and error - correction ability of the system is tested based on this platform

    本文研究了一種應用於數字音頻無線傳輸系統中的前向糾錯（ fec ）演算法和相應的電路設計，搭建了一個硬體驗證平臺，並在驗證平臺上完成了電路的誤比特率測試。
  10. Our company specializes in manufacturing and selling cca and cps, which are widely used in catv, radio communication, coaxial cable of catv, flexible coaxial radio frequency cable, audio frequency, video wire, data transmission cable, car signal cable, network connecting cable and other signal transmission cable and applications

    公司的主營業務為銅包鋁線（ cca ）和銅包鋼線（ cps ）的製造和銷售，主導產品廣泛用於: catv 、無線電通訊、柔型同軸射頻電纜、音頻、視頻線、數據傳輸線纜、車輛信號線纜、網路連接線纜、其它信號傳輸線纜和其它領域。
  11. On the basis of analyzing the old system and theory, the element circuits of wireless digital audio transceiver modules are designed in detail including the digital audio encoding and decoding circuits with the surrounding circuits, the fsk circuit based on pll frequency synthesizer, the power amplifier circuit, the frequency discrimination and agc circuit

    在分析原系統結構和理論的基礎上，完成了整個無線數字音頻傳輸模塊各單元電路的設計。主要包括有數字音頻編碼和解碼電路及外圍電路的設計、基於鎖相頻率合成器理論的fsk電路設計、功率放大器的設計、鑒頻與agc控制電路的設計。
  12. At the beginning, this paper has some brief dissertation on the basic principle of the dsl and the multimedia data compression, the key technique of sdsl, the transport protocols, and the data transfer system structure based on the twisted - pair. then it gives an analysis of the point - to - point data link protocol ( ppp ) and the real - time transmission protocol in detail, which provide the side - to - side transmission service for audio frequency and video frequency data, and so on based on the these, we developed a multimedia sdsl modem system used to transfer data and phonetic

    本文首先對dsl系統和多媒體數據壓縮技術的基本原理、 sdsl的關鍵技術、傳輸協議以及基於雙絞線的數據傳輸系統的結構進行了簡要的論述，並詳細分析了點到點的數據鏈路協議（ ppp協議）以及實時傳輸協議，其為音頻、視頻等實時數據提供端到端的傳送服務。可以向接收端傳送恢復實時信號必需的定時和順序信息，並向收發雙方和網路運營者提供qos監測手段。
  13. System scheme of speech coding plus spread spectrum communication was presented based on a full analysis of noise characteristic, attenuation characteristic and impedance characteristic of low - voltage power line. spread spectrum carrier ( abbreviated as ssc ) technology is adopted to overcome problems existing in signal transmission over power line. high quality, low rate mbe compression algorithm was used to complete speech encoding and decoding

    在對低壓電力線路的噪聲特性、衰減特性和阻抗特性三個方面充分分析的基礎上，本文提出一種語音編碼+擴頻傳輸的系統總體方案，採用擴頻載波（ spreadspectrumcarrier ，縮寫為ssc ）技術克服電力線傳輸信號存在的問題，採用語音合成質量高並具有較低碼率的mbe壓縮演算法完成語音信號的編解碼。
  14. It has been used in the powerful areas for many years. in these areas, it ’ s a very important communication mode to transmite voice, datas and telecontrol signal by the plcs using lower frequency through the power lines which are high than 10kv

    電力線通訊並不是什麼新技術，早在數十年前就已經在電力系統的使用。在中高壓線路上（ 10kv以上）上通過電力線載波機使用較低的頻率（ 40khz 500khz ）傳輸語音、數據和遠動信號，是電力部門一種重要的通訊方式。
  15. There are a lot of signals transmitted in the optic fiber communication system, such as : video, audio, data, telephone or other user - defined signals. if one fiber transmites one signal, it will take a lot of money. it is necessary to take multiplexing in order to make use of optic fiber effectively and reduce the cost

    在光纖通信系統中要傳輸的信號有許多種，如視頻圖象、音頻、數據、電話或其他用戶自定義的信號，每種信號分別用一條光纖線路來傳輸，必然價格昂貴，所以為了提高光纖的利用率，降低成本，必須將各種信號進行復用。
  16. This thesis adopts 8psk / qpsk modulation mode that ' s widely applied in short - wave communication to research all - digital blind receiver in burst mode based on software radio technology. then related solutions are given for the doppler frequency shift problem and multiple fading problem in short - wave channels. the arrangement of the thesis is below : chapter 1 gives brief description for the new technology and new systems of short - wave communication and for the development and appliance of software radio

    本文採用短波通信中應用廣泛的8psk qpsk調制方式，研究基於軟體無線電技術的突發模式全數字盲接收機，並對多音并行及慢速傳輸中存在的多譜勒大頻偏問題、單音串列、高速數傳時在短波通信鏈路中發生的干涉衰落問題做了研究，提出了相應的解決方案。
  17. The training will adopt the method of combination of explanation and on - site experience. the students can experiment by themselves. we all know that the development orientation of the intelligent building is the integration of communication, network and automatic system on the speedy and stable cabling system, i. e. what is transmitting on the cabling system is the computer and voice information, and such building control digital signals as safety system and fire - fighting system and the visible video monitoring and image

    我們知道，智能建築的發展方向是樓宇內的通訊、網路及自動化系統融合到綜合布線系統這一高速、穩定的載體之上，即綜合布線系統上傳輸的將是計算機和語音信息，而且還將包括安全系統、消防系統等樓宇控制的數字信號，以及可視的視頻監控和圖像。
  18. In the realization of foundation, this paper discusses windows multithread processing and realization process of socket thoroughly, and researches working flow of voice network transmission. then the paper unifies preliminary audio function and callback function, and designs the data structures which can be used in voice transmission, in this way, audio data collection and audio broadcast can be realized. finally, the paper gives realization steps of audio compression and decompression

    2 .在底層實現中，深入探討windows多線程處理和套接字實現過程，研究語音網路傳輸的工作流程;結合低級音頻函數和回調函數，設計音頻傳輸中將用到的數據結構，實現音頻數據採集和音頻播放;具體給出音頻壓縮和解壓縮的實現步驟。
  19. As to products, tencent will continue to offer more and more creative products and value added services based on its integrated im platforms with internet, mobile and fixed line network. apart from texts, images, video, audio transfer and emails, our users can also have access to various internet services and mobile value - added services designed to enhance community experience, including mobile games, dating, content downloads and other entertainment services

    在產品方面，騰訊將繼續圍繞網際網路無線網與固網等三大通信平臺，為用戶開發出更多的創新產品和增值服務，使用戶不僅可以傳輸文本信息圖像視頻音頻及電子郵件，還可以獲得更多各種提高網上社區體驗的網際網路及移動增值服務，包括移動游戲交友娛樂信息下載等各種娛樂資訊服務。
  20. Cobranet audio network technology is the development trend of audio transmission and switching, as the pace of the broadcast digital and networked development is stepping. cobranet audio network technology transmits and distributes real - time and uncompressed digital audio signal. compared with analog, this technology not only transmits high quality audio, but also economize cost. now many broadcasting stations, gymnasiums and meeting places start to make use of this technology to build their network systems. in order to operate and maintain these networks, network managing software aiming at application will be needed

    Cobranet音頻網路技術利用快速以太網傳輸和分配實時、非壓縮的數字音頻信號，在保證傳輸高質量的音頻信號的同時，與傳統的模擬方式傳輸音頻信號相比，大大降低了電纜布線等成本。目前很多廣播電臺、體育中心以及大型會場都開始利用該技術組建自己的音頻網路系統，而要運行和維護這個網路系統，需要開發專門基於cobranet技術的面向應用的網路管理軟體。
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