音頻鍵控 的英文怎麼說

中文拼音 [yīnbīnjiànkòng]
音頻鍵控 英文
voice frequency keying
  • 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...
  • 鍵 : 名詞1 [機械工程] （使軸與齒輪、皮帶輪等連接並固定在一起的零件） key 2 [書面語] （插門的金屬棍子）...
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 音頻 : [物理學] [電學] audio frequency; vf （voice frequency）音頻電路 voice frequency circuit; 音頻振蕩...
  1. The article originated some conversion algorithms based on the data flow of multiplexing. it includes de - multiplexing ps, pretreating audio, disposing ps / ts system layer, calculate time information, controling stream output. the project describes the five parts of software system

    本文分析了轉碼設計中的時間信息、碼率等關鍵問題，提出了按碼流合成的數據流程進行轉碼的架構，實現了編碼演算法: ps流解復用、音頻預處理、 ps / ts的系統層處理、時間信息處理、碼流輸出控制共五個部分。
  2. 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。
  3. A / d converter ( adc ) is the key device in the interface between analog and digital system, is widely applied in the field of radar, communication, electronic countermeasure, sonar, satellite, missile, control system, earthquake, medicine, instrument, video device, audio device and so on

    A / d轉換器（ adc ）是模擬系統與數字系統介面的關鍵部件，長期以來一直被廣泛應用於雷達、通信、電子對抗、聲納、衛星、導彈、測控系統、地震、醫療、儀器儀表、圖像和音頻等領域。
  4. Afsk for audio frequency - shift keying

    音頻頻移鍵控
  5. The fsk is used in the modulation for audio signals and the data signals. and the fdm is used to merge three lines signals

    頻移鍵控用於音頻和數據信號的調制，三路信號的混合採用了頻分復用技術。
  6. The softswitch is the core technology of the next generation network, for it can be the core to offer calling, control and service for voice service, data service and video service in the next generation network, and it also plays the key role in the evolvement of scn to the psn

    軟交換是下一代網路的核心技術，因為它可以成為下一代分組網路中為語音業務、數據業務和視頻業務提供呼叫、控制和業務的核心，同時也是電路交換網向分組網演進的關鍵。
  7. In the heart broad cast studio there are a microcomputer and a master controller to controll together, operation can be finished by keyboard ; in dassroom, remote controller is used to operate all kinds of audio and video devices in broadcast studio

    該系統中心播放室由一臺微機外加一個主控制器聯合控制，控制操作均採用微機鍵盤操作的方式完成；教室里用一個遙控器可以控制中心播放室的各類音視頻播放設備的動作。
  8. In this dissertation, an embedded video monitoring system based on network is studied deeply, and then implemented the hardware device drivers to the chip of the vweb company ’ s vw2010. the design is based on the mpeg - 4 technology and embedded linux. the first three chapters of the thesis are to study the video surveillance system ’ s current background, main hardware structure and the main functions of software molds

    本論文的重點:研究了網路視頻監控系統的基本硬體體系結構和軟體功能模塊，提出了一種使用晶元vw2010來實現視音頻硬編解碼的驅動程序設計方法，該設計基於當前最流行的mpeg - 4編碼技術和開源的嵌入式linux操作系統;接著介紹了基於晶元vw2010的能兼容多語言的osd界面設計的幾個關鍵技術;論文最後給出了嵌入式linux下控制多種雲臺鏡頭的研究結果和設計方案。
  9. 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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