音頻電流 的英文怎麼說

中文拼音 [yīnbīndiànliú]
音頻電流 英文
tone currents
  • 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...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 音頻 : [物理學] [電學] audio frequency; vf （voice frequency）音頻電路 voice frequency circuit; 音頻振蕩...
  • 電流 : current; galvanic current; electric current; electricity; current flow電流保護裝置 current protec...
  1. They use industry - standard sound system design software like leap - 5, lms and clio while our laboratory utilizes smaart test hardware and software. we constantly update and upgrade ourselves with the latest software and diagnostic technology in these fields. lax reassures you that our products are of the highest quality found in the world of professional audio merchandise

    其享譽全業的系統數字音頻產品，以全面系統專業的推廣模式，新穎強大的功能，簡便的操作和傑出的電聲水準，獲得消費者廣泛的好評，並逐步成為未來專業音響發展的主流。
  2. Sanfeng electrical equipment co., ltd. is a professional manufacturer which products hf, solid hf, intermediate frequency, supersound frequency induction heating equipment, intermediate frequency overall anneal equipment and the installation of all - digital dc governor

    經營高頻焊管全套設備及其配件保定市三豐電器有限公司是專業生產高頻固態高頻中頻超音頻感應加熱設備中頻整體退火設備和全數字直流調速裝置的專業廠家。
  3. The query module is a retrieval system on internet, it adopts b / s mode of three - layer structure, and has been implemented by using the inner component ado and the third party component fileup of asp technology and sql server 7. 0. this module can support the transmission of multi - media file. the discussion module is a electronic white board which is based on network, it has been implemented by java language and java media framework ( one of java media apis )

    本答疑係統由查詢和討論兩部分組成，查詢部分是一internet上的全文檢索系統，它採用三層結構的b / s模式，利用asp技術的內置組件ado 、第三方組件fileup和sqlserver7 . 0來實現，它能支持與問題相關的多媒體文件的上傳和下載，從而為查詢答疑提供了與問題相關場景（即音視頻信息）的支持；討論部分則是一網上實時交互系統，該系統是以java語言和javamediaapis （ applicationprograminterfaces應用程序介面）提供的jmf （ java多媒體框架）編程實現的網路電子白板，通過它能在ip網路上實現文字、圖形、圖象、音頻視頻信息的實時交流，使網上答疑變得直觀生動和高效
  4. This telephone communication system can use the computer network to transmit and switch the data stream for the telephone subscriber in a high speed. in this paper the telephone termination of the telephone communication system which adopts the technic of the computer, electronic and communication is designed

    本文提出了利用計算機網路來實現電話用戶音頻數據流的高速傳輸及交換的計算機網路電話通信系統，從而研製了基於計算機技術、電子技術和通信技術的計算機網路電話通信系統的用戶終端。
  5. Although stb just is a sort of terminal equipments of the tv signal transmission system, however pivotal technique involves the data demodulation, channel decode, transport stream de - multiplexing, audio and video signal decompression technique and real - time software technique with upriver data coding technique etc. therefore, software and hardware technology research and development of stb, which can increase usefulness with dependable of digital video signal and audio signal for study later make the theories preparation and backlog experience

    機頂盒雖然只是數字電視傳輸系統的終端設備，但所用到的關鍵技術涉及到數據解調、通道解碼、傳輸流的解復用、音視頻信號解壓縮技術以及實時軟體技術和上行數據的編碼技術等。因此，通過對機頂盒軟、硬體的研究開發，既能為以後研究如何提高信息傳輸的有效性和可靠性作理論上的準備，也為圖像信號和音頻信號的數字化處理積累經驗。
  6. National authoritative organization, get software product register the certificate, system this can u - sed in the building are controlled, the computer lab concentrate on being controlled, industrial cont - rol, long - distance data picture sound are controlled, have already used in a large amount in every p - rofession and trade, such as customs, electric power, insurance, bank, government bodies, factory, etc.

    公司研發部自主開發的zlt - monitor遠程監控系統組態平臺可將數據流視頻流音頻流共一個平臺集中監控， c s b s結構，同時採用rs485技術和lonworks技術，國內屬于首創，該系統經國家權威機構測試登記，獲得軟體產品登記證書和版權登記證書，該系統可用於數據流視頻流音頻流的遠程集成監控管理，已在機房集中監控智能樓宇監控電力遠程監控物流遠程監控工業控制遠程監控等領域上千個項目中大量使用。
  7. In the second chapter, it has introduced the super - frequency induction heating power supply in detail, including its rectifier, its inverter and its parallel - resonant load

    第二章對超音頻感應加熱電源做了詳細的技術分析，包括它的整流電路、逆變電路和並聯諧振槽路。
  8. Finally the software of all the modules was give. experiment in pc demonstrates this designed software can accomplish the basic function of ip phone such as creating the connection by session initiation protocol, negotiating the media by session description protocol, transporting the stream of data by rtp / udp / ip

    最後在pc上進行了實驗，結果顯示本課題所設計的軟體可以完成ip電話的功能，使用sip信令建立連接、使用sdp信息進行媒體流協商和使用rtp / udp / ip傳輸音頻數據流。
  9. By analyzing and rat testing on the current negative feedback, the voltage negative feedback and the electricity - powered loudspeaker, this paper shows that the current negative feedback can decrease the distortion of the loudspeaker, makes the frequency - response plot more smooth and improves the audio quality greatly

    摘要本文通過對電流負反饋和電壓負反饋兩種電路與電動式揚聲器構成的系統進行對比分析，並進行實時分析測試，證實了電流負反饋對電動式揚聲器失真能從實質上得到改善，從而使頻響曲線更加平滑，音響系統的性能明顯提高。
  10. It is sometimes mistaken for a power supply hum

    有時候，亞音頻會被錯誤的認為是電源交流聲。
  11. The prototype test results indicate : voltage mode and current mode ac - ac mode ac / ac converters with high frequency link have the advantages such as high frequency electrical isolation. simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, no audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type regulated sinusoidal ac power supply, electronic transformer, ac regulator, and wave converter etc

    試驗表明，這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac hfac lfac ） 、功率密度高、雙向功率流、無音頻噪音、變換效率高、網側功率因數高等優點。為新一代正弦交流穩壓器、電子變壓器、交流調壓器、同頻波形變換器的實現奠定了關鍵技術基礎。
  12. Used in bipolar chipmaking in place of the more expensive gallium arsenide process, sige allows for significant improvements in operating frequency, current, noise, and power capabilities

    在二極體晶元製造中用來代替功耗更高的砷化鎵， sige可以顯著地改善操作頻率、電流、噪音和電源容量。
  13. Internet phone realizes the high - speed transmission and exchange of telephone subscriber ' s audio frequency dataflow by utilizing the existing computer network to make up the communication network of the telephone

    Ip電話是利用現有的計算機網路組成電話通信網路，實現電話用戶音頻數據流的高速傳輸及交換。
  14. As a portal to information services, iptv gradually transforms the audio services of traditional telecom into converged multimedia information streams that include audio, video, images and text

    Iptv作為信息服務切入點，將傳統電信音頻服務，逐漸轉變為包括音頻、視頻、圖像、文字等多信息多媒體聚合流。
  15. The company strives to provide outstanding performance and value to leading computer manufacturers, resellers and end users

    公司致力於為世界一流的電腦製造商以及分銷商、終端用戶提供高附加值的音頻產品。
  16. As the information era proceeds, highly developed digital image processing technique and communication technique make multimedia communication possible, and it is now on the way of progress. video conference have received more attention as an example of multimedia. in this paper we first describe the construction and characteristic of the video conference system and analyze the theory of protocol with itu - t h. 323 recommendation which inculde video and audio codec standard, communication control protocol h. 245. call signalling protocol h. 225, as well as procedures within these protocols define how these components communicate. also an experimental video conferencing system is designed and some relating key technologies are studied, which include multithread programming, transmission technology, mcu technology, qos mechanism and so on. especially, a video codec based on h. 263 recommendation with high fram rate as well as high compression ratio is researched and implemented because of importance of video application, which solves the bad image reconstrction quality problem existed in the most present video systems that adopt h. 261 video compression algorithm. by using these technologies. a video conferencing system is implemented based on lan. the system that the paper provides is easy to implement and the results of exmperiment is good. such system can be widely used in the fields such as business conference, distance education etc. and it is of good practical value

    隨著信息時代的前進，數字圖像處理技術和通信技術的高度發展，多媒體通信已成為可能並已初具規模，視頻會議作為它的一個具體應用實例受到普遍關注。本文首先對國際電信聯盟itu - t制定的基於分組交換的多媒體通信h . 323系列建議進行了闡述，其中包括ip網路視頻會議系統的結構組成、視頻傳輸標準、音頻傳輸標準、系統的信息碼流、通信控制協議h . 245和呼叫信令協議h . 225以及會議系統的進行過程。在此基礎上給出了ip視頻會議的實現的整體框架，為系統的軟體實現進行了模塊的劃分和整體設計，分析了各個模塊的功能、作用。
  17. This paper also provides some background knowledge about sip and video conference, such as the sip framework, the history of voip and video conference, etc. this paper emphasizes on the implementation of sip terminal on the windows platform, including the realization of sip stack, the capture and compression of video and audio steams, rtp transmission of stream data, the working thread of sip terminal and the optimization of video codecs

    本文在論述研究工作的同時也介紹了一些相關的背景知識如sip協議的框架、 voip和可視電話的發展歷史等。本文重點論述了windows平臺sip多媒體終端的實現，包括sip協議棧的實現、視音頻流的採集、編解碼和網路傳輸方案、 sip終端的工作流程、以及編解碼器基於指令集的優化。
  18. According to the characteristics and requirements of the test progress, the hardware circuit is designed base on the c5509 dsp, combined with the aic23 codec to ensure the precision of the test result

    論文基於回聲抵消各項測試流程的特點與要求，以c5509dsp處理器為核心，結合aic23音頻輸入輸出晶元設計了保證測試參數精度的硬體電路。
  19. This kind of converter has the advantages such as high frequency electrical isolation, simple topology, two - stage power conversion ( lfac / hfac / lfac ), high power den sity, bi - directional power flow, soft commutation of output cycloconverter, uni - polarity spwm waveform, no audio noise etc. the correction and advance of the new concept of the 220v + 10 % ( 50hz ) / 220v ( 50hz ) uni - polarity phase - shifted controlled voltage mode ac / ac converter with high frequency

    這類變換器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac hfac lfac ） 、功率密度高、雙向功率流、輸出周波變換器實現了zvs換流、單極性spwm波、無音頻噪音等優點。
  20. Its test results indicate : voltage mode inverters with high frequency link have the advantages such as high frequency electrical isolation, simple topology, two - stage power conversions, high power density, bidirectional power flow, good line current waveform, low audio noise, high converting efficiency, and high input power factor etc. this kind of converter lay the key technical foundation on new type high power density, high efficiency and low cost asi

    設計的1kva270v 10 % dc / 115v400hzac單極性移相控制雙向電壓源高頻環節逆變器原理試驗表明，這類逆變器具有高頻電氣隔離、電路拓撲簡潔、兩級功率變換（ lfac / hfac / lfac ） 、功率密度高、雙向功率流、音頻噪音低、變換效率高、網側功率因數高等優點，為新一代高功率密度、高變換效率、低成本航空靜止變流器奠定了關鍵技術基礎。
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