無線電接收器 的英文怎麼說
中文拼音 [wúxiàndiànjiēshōuqì]
無線電接收器
英文
radio receiver- 無 : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
- 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...
- 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...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 收 : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 無線電 : radio; wireless無線電愛好者 radio amateur; amateur radio; 無線電報警 radio warning; 無線電報務員 ...
- 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
- 接收器 : acceptor
- 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
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A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals
無線方向探測器一種無線電接收和指向天線系統,用來確定收到的無線電信號的角方向The architectures of the receiver are rf pass band direct sampling and if pass - band sampling with high - speed analog to digital converter after rf to if conversion. the first kind of architectures is hard to realize because of the requisition of devices is too high
軟體無線電接收機分為射頻直接帶通采樣和將射頻信號變換到中頻后再進行帶通采樣,前者實現較難,對器件的要求太高,然後進行各種數字處理。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元,採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。In both radio and television receivers, once the basic signals have been separated from the carrier wave they are fed to a loudspeaker or a display device ( usually a cathode - ray tube ), where they are converted into sound and visual images, respectively
在無線電和電視兩個接收器中,一旦基本信號與載體電波分離,即被供于擴音器或顯示設備(通常是陰極攝像管) ,在那裡它分別被轉換成聲音和可視圖像。The design of the full - automatic core system
無線電臺接收激勵器自動測試系統硬體平臺設計The ham radio equipment control libraries allow you to write amateur radio equipment control programs for transceivers which use cat or similar computer interfaces for control
Ham無線電裝置控制庫可以讓你編寫業余的接收器的無線電控製程序,它使用cat或類似的計算機介面以進行控制。Ham radio control libraries - the ham radio equipment control libraries allow you to write amateur radio equipment control programs for transceivers which use cat or similar computer interfaces for control
Ham無線電裝置控制庫可以讓你編寫業余的接收器的無線電控製程序,它使用cat或類似的計算機介面以進行控制。Telecommunications - fixed radio systems - point - to - point and multipoint systems - spurious emissions and receiver immunity limits at equipment antenna port of digital fixed radio systems v1. 2. 1
電信.固定無線電系統.點對點和多點系統.數字固定無線電系統的設備天線埠的雜散輻射和接收器抗干擾限值We use equipment covered with dgt approval stickers. we have passed all kinds of their radio licence examinations. we receive and do not transmit, hence no interference
我們採用貼滿交通部電信總局核準貼子之臺掃:器材,亦考取其各式各樣無線電人員執照。僅接收,未發射,即無干擾。1 this product may with many cameras, the image picture division processor, the television or the monitoring device disposition, may combine the usability to be strong, the price inexpensive center small supermarket factory workshop monitoring photographs the security alarm system ; with the 2. 4g wireless picture receiving and dispatching system disposition, a monitoring device may the simultaneous reception four wireless cameras picture signals, use automatic, the manual way perform handover or photograph, realizes to the different place surveillance, security, the video recording ; this product and the telephone security digit dialing disposition, after garrisons may automatically dial to save the telephone to report to the police in advance
該產品可與多臺攝像機圖象畫面分割處理器電視機或監視器配置,可組合成實用性強價格低廉的中小超市工廠車間監控拍照防盜報警系統與2 . 4g無線圖像收發系統配置,一臺監視器可同時接收四臺無線攝像機的圖像訊號,採用自動手動方式進行切換或拍照,實現對不同地點的監視防盜錄像;該產品與電話防盜撥號器配置,設防后可自動撥打預存電話報警。Unlike satellite radio, which is a subscription - based service, the content on hd radio is free. consumers do need to purchase a special radio receiver to pick up the digital signal
然後衛星廣播提供的是一種收費的訂閱服務,然後高清晰無線電是免費的。消費者只需要購買一種特殊的接收器來接收數字信號。And sampling rate conversion with timing variable interpolator controlled by nco ( from high rate to low rate ) is applied to software radio receivers. the controlling principle and implementation of interpolator are presented
同時把nco控制的插值變換(從高速到低速)方法應用到軟體無線電接收機中,闡明了其控制原理,指出了控制環路中內插濾器的實現方法。Ptt remote control : no more heavy radios in your hands
Ptt遠程控制:便捷的無線電接收器。A senior inspector of customs excise department was fined 9, 000 for possessing unlicensed radio transceivers
一名高級海關督察管有未領牌的無線電接收器,被判罰款九千元。Secondly, basing on single channel if sr receiver mathematic model, this thesis has designed if sr receiver subsystem and brought forward its design project and system circuit principle diagram, and explained the system working principle. furthermore, this thesis introduces the working principles and respective applications of wideband high - speed adc ad6640, ddc ad6620 and high - speed dsp tms320c6713 according with the if sr receiver subsystem high - speed analog digital conversion department, digital down conversion department and high speed digital signal processing department. thirdly, the thesis emphatically demonstrates the software realization department of the if sr receiver subsystem, which including ad6620 ' s inner parameter software setup, tms320c6713 data transmission and processing and the quadrant demodulation algorithm program realization
其次,基於單通道中頻軟體無線電接收機數學模型,本文設計了中頻( if , intermediatefrequency )軟體無線電接收機子系統,給出了中頻軟體無線電接收機子系統的設計方案和系統電路原理圖,說明了系統工作原理,並分別對應系統中的高速模數轉換部分、數字下變頻部分、基帶數字碩士學位論文軟體無線電理論研究及中頻軟體無線電接收機子系統設計信號處理部分,介紹了高速adcad664o ,數字下變頻器( ddc , digitaldownconverter ) ad6620 ,高速數字信號處理器( dsp , digitalsignalproeessor ) tms320c6713的工作原理,以及它們在中頻軟體無線電接收機子系統中的應用。Then on the basis of those, a model of software radio receiver is given. operations are determined using hardware whose configuration is under software control. finally, the circuits are realized with simulation in order to prove the discussed schemes
然後建立了軟體無線電接收機的數學模型,盡可能的簡化射頻模擬前端,將模數數模變換器盡量靠近天線,在對信號充分數字化的基礎上依靠軟體來定義無線電的各項功能。High frequencyvery high frequencyultra high frequency ( hfvhfuhf ) communication equipment this includes the radio transmitters and receivers operating on various frequencies used for both long - range and short - range airground communications with aircraft
這類儀器包括無線電發射器和接收器,可在不同頻道與航機作長程和短程的地對空通訊。This paper discusses the hardware system architecture of broadband software radio experiment platform, designs hardware circuit system, studies the basic theory of software radio deeply, establishes the mathematical model. the platform is made up of a / d ( ad6640 12bit 65 msps ), orthogonality transform, digital filtering and dsp, etc. the platform can demodulate pcm - am / fm / pm / ask / fsk / psk / qpsk, pcm - cdma - psk, pcm - qpsk signal
本文論述了寬帶軟體無線電接收實驗平臺硬體系統的體系結構,設計了硬體電路系統,深入研究了軟體無線電的基本理論,建立了接收實驗平臺的數學模型。該平臺由高速a d變換器( ad664012位65msps ) 、正交變換、數字濾波器、 dsp等部分構成。實現了pcm - am fm pm ask fsk psk qpsk , pcm - cdma - psk qpsk調制方式的解調功能。In chapter2, the architecture of software radio is discussed from the point of receiver, several technology solutions and their advantage & defect are analyzed. at last three receiver modes are introduced simply. chapters expatiates on the design and implementation of if digital processing segment, introduces in details the schemes of system hardware and system software separately
第二章主要從接收機角度詳細討論了軟體無線電的體系結構問題,比較分析了軟體無線電幾種潛在的技術實現方案及各自優缺點,對軟體無線電接收機的三種數學模型:單通道接收機、多通道接收機和多相濾波器通道化接收機進行了簡單介紹。Components for electronic equipment. intermediate frequency transformers used in broadcast receivers
電子設備元件.無線電接收機用中頻變壓器分享友人