傳音電路 的英文怎麼說
中文拼音 [zhuànyīndiànlù]
傳音電路
英文
music loaded circuit- 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)...
- 音 : 名詞1. (聲音) sound 2. (消息) news; tidings 3. [物理學] (音質) tone 4. (姓氏) a surname
- 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...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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With the traditional switches based on circuit switching, voice signals are transmitted at the rate 64 kbits over networks
傳統的交換機是基於電路交換技術的,話音通信以64kbits的速率在網路中傳輸。It can provide many functions : the conversion between transfer formats, the conversion between communication protocols, the conversion between analog signals and digital signals, the conversion of control commands, real time audio code / decode, ip call control, control of rtp / rtcp, call detail logs, accounting and some of gatekeeper ' s functions such as address tansfer / search.
它提供以下功能:傳輸格式間的轉換,通信規程間的轉換,音頻、數據格式轉換,呼叫控制信令的轉換,對pstn的呼叫控制功能, pstn電路交換功能,實時語音處理語音壓縮功能, ip網路呼叫控制功能,對實時對話協議rtp rtcp的控制功能,呼叫日誌,計費功能,還包括關守的地址翻譯搜索等功能。Design of heart sound processing analog circuit based on the electret capacitor microphone
基於駐極體電容傳聲器的心音模擬處理電路的設計It also gives a safety design problem analysis using an electret capacitor microphone to pick - up the heart sound signals
該電路涉及到放大、濾波、電平抬升等電路,並給出了安全設計問題,利用駐極體電容傳聲器來拾取心音信號。Secondly, the thesis designs a kind of scheme of simulcast base station and center base station. and the requisite requirement and chip are introduced here, and the most important controller is atmega128, the avr microcontrollers of atmel corporation. the other roles are played by voice processing circuit, simulcast broadcasting station, data transmission broadcasting station, link transmitter - receiver and gps module etc. and some theory is introduced here, which includes a / d conversion and correct code
然後,給出了一種同播基站和中心基站子系統的設計方案並簡要說明了所使用的各種設備和晶元,其中最主要的基站控制器由atmel公司的avr單片機atmega128來完成,其它的還包括語音處理電路、同播電臺、數傳電臺、鏈路機、 gps模塊等,並介紹了相關的理論知識,包括a / d轉換,糾錯編碼等。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。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。This dissertation has discussed the r & d process of a broadcasting system based on network for fire fighting. this broadcasting system is based on the lan, and it has used the technology of voip. it has implemented the network speech communication by packet switching, and it has removed the shortcoming of the traditional broadcasting system which is based on circuit
本文系統的論述了網路消防廣播系統的研製過程,該系統基於tcp / ip局域網路,利用了voip的相關技術,採用分組交換的原理來實現語音的網路傳輸,易於擴展,不受距離的限制,消除了傳統基於音頻電路消防廣播的弊端。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。Over the transfer network, which serves as a common transfer platform for different telecommunications services, the growth of services, including voice, data, multimedia, leased lines and broadband service, and the development of the support networks such as the signaling network, the clock transfer network and the nm liaison network have made demand for transmission circuits
傳送網作為各種電信業務的公共傳送平臺,包括話音、數據和多媒體、專線、寬帶業務等在內的各類業務的增長,以及信令、時鐘傳送、網管聯絡等支撐網的增長,均對傳輸電路提出需求。Recent research projects : one, multi - carrier cofdm dvb - t mobile tv transmission system. second, the military, public security wireless digital voice encryption image transmission network
公司最近研發項目:一dvb - t多載波cofdm移動電視傳輸系統。二部隊公安無線數字加密圖像語音傳輸網路This article describes the plc ’ s using enviroment and the users ’ needs in details, and then tells the differences between the dplc and the troditional plc. it also describes how to decimation and compress the tele - voice, how to deal with the data tunnels, and the multiplex data through the the line which ’ s bandwidth is changeable between 10. 8bps and 28. 8kbps this project uses the programmable vopp chips, the cpld for bus controlling, the fpga and the mcu with high processing ability. all of these ensure the high ability to process the signals and the operations
本文詳細介紹了高壓電力線載波機的使用環境和用戶需求,全數字電力載波機和傳統模擬載波的的差異;按電力調度的需求設計完整的兩路語音、兩路數據的電力線載波通訊機。詳細描述電話語音的采樣,壓縮;數據通道的處理;及在10 . 8kbps 28 . 8kbps可變線路速率通道上的數據復接處理。從實現方法上看,該項目採用專用可編程vopp語音處理晶元, cpld晶元做為總線控制,大規模fpga集成電路,高處理能力的mcu 。Computer used in telecommunication not only play as control part in exchange or transmission devices, but also become a part of speech communication to provide intelligentized speech service
計算機已經不只是簡單作為電信交換和傳輸網路的控制部分而存在,而是逐漸演變成語音通信的一部分,將智能化的語音延伸到通信網路的每一個角落。Procedures for simultaneous transmission of data and digitally encoded voice signals over the pstn or over 2 - wire leased point - to - point telephone type circuits
在pstn或二線點對點租用電話型電路上同時傳送數據和數字化編碼語音信號的規程In telephony, the use of tones to transmit supervisory, address and alerting signals over a circuit
在電話技術中,利用音調在電路中傳送監控、地址和報警信號的做法。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。The softswitch technology breaks the close traditional exchange structure. it adopts the combined pattern, open interfaces and generally used agreements to establish a open nad distributed system structure for more customers ' application. the substance of softswitch is to turn traditional switch matrix to the ip network. the network is open, easy and cheap. it makes use of superiorities of the network to exchange speech sounds
軟交換技術打破了傳統的封閉交換結構,採用組合模式、開放的介面和通用的協議,構成一個開放的、分佈的和多廠家應用的系統結構。軟交換的實質是將傳統交換的電路矩陣移到ip網路上實現。利用ip網路的開放、簡單、低廉等優勢進行語音交換。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。Those communication methods used have advantages and disadvantages in those aspects, such as communication quality, adaptation condition, covering scope, geography environment, construction and working cost, real time quality, etc. in order to make the transport of hydrological information better, this dissertation introduced gsm communication methods in the hydrology telemetric system, using gprs cell - phone, by those mobile communication methods, such as gsm sms, gprs sms, gprs data service, circuit data service, tone channel, etc. this dissertation summarized the constitute of hydrology telemetric system, mobile communication methods, and compared them with those traditional methods
現有的水情遙測通信方式有多種類型,它們在通信質量、適應條件、覆蓋范圍、地理環境、建設成本及運行費用、實時性等方面各有優缺點。為了更好地進行水情信息傳輸,本文提出一種基於gsm通信方式的水情遙測系統,通過使用gprs蜂窩電話,採用gsm短消息、 gprs短消息、 gprs數據業務、電路型數據業務和語音通道等多種移動通信方式,為水情數據的傳輸提供了新的解決途徑。Technical regulation for sound cable of broadcasting
廣播傳音電纜線路工程建設技術規范分享友人