無噪聲接收機 的英文怎麼說
中文拼音 [wúzàoshēngjiēshōujī]
無噪聲接收機
英文
noise-free 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...
- 噪 : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
- 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...
- 機 : machineengine
- 接收機 : receiver; radio set; receiving set; receiving machine接收機保護設備 reprod; 接收機保護裝置 receiver protector
- 接收 : 1 (收受) receive; reception; accept; [電學] receipt; receiving 2 (接管) take over; expropriat...
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Receivers must be as noise-free as possible.
接收機必須盡量做到無噪聲。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。The wireless application of low noise receiver module is introduced form cellular mobile, gps, cdma and satellite communication
本文從蜂窩移動、 gps 、 cdma和衛星通信四個方面簡單闡述了低噪聲接收機模塊在無線領域的應用。As a key component of rf front - end, broadband low noise amplifier ( lna ) becomes important in the sdr receiver
寬帶低噪聲放大器作為接收機射頻前端的關鍵部件之一,在軟體無線電中起著重要的作用。分享友人