音信號傳輸 的英文怎麼說
中文拼音 [yīnxìnháozhuànshū]
音信號傳輸
英文
phonation- 音 : 名詞1. (聲音) sound 2. (消息) news; tidings 3. [物理學] (音質) tone 4. (姓氏) a surname
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 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...
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Remote controller of air conditioner based on dtmf transmission
基於雙音頻信號傳輸的空調遠程遙控器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。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。This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel
該系統綜合應用了低比特率語音信號壓縮編碼技術、基於電力通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和抗干擾、抗衰減技術,可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號,具有較高的整體性能。Dect also boasts a claimed range of up to a few hundred meters 1, 000 - 3, 000m, encryption to ensure a high degree of call security, and " optimized " radio transmission that maximizes handheld device battery life. 2
該系統採用了先進的微波無線電傳輸技術,可以高保真地無線傳輸視頻信號和音頻信號,傳輸距離范圍達1000 - 3000米以上,在有墻阻隔情況下,可達20 - 100米視實際環境。It is shown that an electrified railway tunnel is an effective channel for transmission of language and slow digital signals
研究表明,電氣化鐵路隧道是語音和低速數字信號傳輸的有效通道。By reducing coding rate, more speech signals can be transferred in the same channel. so, low bit rate speech coding has especially important significance when the transmission rate is limited very strictly
通過降低編碼速率,可以使同樣的通道容量能夠傳輸更多路的語音信號,在傳輸比特限制十分嚴格的場合,低速率語音編碼具有特別重要的意義。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。How to reduce the bit - rate of speech without remarkably degrading its perceptual quality is a question placed in the front of the researchers
如何在不犧牲語音通話質量的前提下盡可能降低話音信號傳輸的比特速率是擺在研究者面前的重要課題。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。Sound signalling devices for domestic and similar purposes. safety requirements
家用和類似用途的聲音信號傳輸裝置.安全要求Television - transmission of aes ebu digital audio signals over coaxial cable
電視.通過共軸電纜的aes ebu數字音頻信號傳輸Now, the standards of speech compression coding provide a way of transporting speech signals efficiently. in fact, all of them are to reduce the baud rate of data under definite speech quality
相繼出現的語音信號壓縮標準為語音信號的高效傳輸提供了一種有效方法,其實質就是在相當的語音質量指標下,降低數字化語音的數碼率。Directly digitizing of speech signals needs too much high bit rate in digital speech communication, thus compression and coding of the speech signals is essential in the process to increase the efficiency of transmission and storage, as well as the channel capacity
數字語音通信中,語音信號直接數字化所需的數碼率太高,為了提高傳輸和存儲的效率,充分利用通道容量,必須對數字語音信號進行壓縮編碼。Rapid development of data business, growing of packet network technology, and increasing of communication channel capacity, etc, bring this problem the answer : the next generation network will be base on the ip, and it will be to consist of network architecture which are diverse, synthetic and open such as speech sound, data, multimedia etc. the principle of voip ( voice over internet protocol ) is not complicated : at the sending end, sample the analogue speech sound signal, code and compress, then package and transmit it over the packet network
數據業務的快速發展、分組網路技術的成熟、數據網路通信通道容量的不斷增加等給這個問題提供了答案:下一代網路將是基於ip的,下一代網路將是可以提供包括語音、數據和多媒體等各種業務的、綜合的、開放的網路構架,而voip正是這個答案的具體體現。實現voip的原理並不復雜:將模擬的語音信號采樣、編碼並進行壓縮,封裝在數據網路的分組中進行傳輸,在接收端對數據進行解碼、數模轉換恢復成模擬信號即可。And the implementation of lower voice data transmission is the core of the whole software, which involves voice input and output, voice sampling and playback, signal encoding and decoding, signal compressing and
底層的語音數據傳輸實現,是整個軟體的核心,包括:語音輸入輸出、語音採集回放、語音編解碼,信號壓縮和解壓縮、信號加解密,數據發送和接收。Also, the paper offers the hardware illustration of sdsl modem, the implemental method of some relevant software, and the voice signal encapsulation transmission issue adopting the real - time transmission protocol
本文給出了sdslmodem的硬體圖和相關的軟體實現方法,採用實時傳送協議( rtp )解決話音信號的封裝傳輸問題。Suitable for transmitting 1ghz and following radio frequency signal, spread the digital signal under audio frequency 150khz and following simulation signal 2048kbits frequently
適用於傳輸1ghz及以下的射頻信號,傳頻音頻150khz及以下的模擬信號2048kbits以下的數字信號。The paper emphasizes on the discussion of the problems in implementation of network speech communication system of pc to pc in lan and the schema of secure network speech communication. the aes algorithm, the chaotic sequence and the method of chaos modulation was adopted to encrypt the voice signal and the srp protocol was used for identity authentication, so as to strengthen security. and some pivotal problems is discussed and settled, such as the compressing, restraining of reverberation and the obliteration of voice signal dither
著重考慮了局域網環境下的pc到pc的網路語音通信系統的實現的相關問題;探討並設計了網路語音傳輸中的保密解決方案,採用aes演算法、混沌序列密碼加密方法和混沌調制方法對語音武漢理工大學碩士學位論文信號進行加密處理,選用srp協議用於身份認證,以提高網路語音通信的保密性能;並針對網路語音傳輸中的幾個關鍵問題,包括語音信號的壓縮、網路語音信號的靜音抑止和網路語音的去抖動處理等問題進行了分析。This dissertation studies and discusses the key technologies of the cobranet audio network technology, meanwhile, analyses the possibility and advantages of adopting network to transmit high quality digital audio signal. this dissertation introduces the concept of cobranet device and audio network system, and introduces the basic theory of snmp and administration of networks, then discusses the trend of software of administration of networks
本文對cobranet音頻網路技術進行了研究和闡述,分析了採用網路傳輸高質量的數字音頻信號的可能性以及相對于傳統模擬方式進行音頻信號傳輸的優勢,在此基礎上介紹了cobranet設備的概念以及利用交換機和cobranet設備組建成的音頻網路系統。分享友人