紅外通信收發(fā)系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)-展示頁
2025-06-16 11:25本頁面
【正文】 scribed the basic working principle of infrared munication, pleted the design of infrared transceiver’s idiographic hardware circuit, and detailed description of the working principle of transmitting and receiving, also pointed out that during the design process should pay attention to some problems. Through the actual circuit structures, music 9300A chip generated music, through modulated LED and emitted the music signal, in a certain distance range, the receiver can receive music signal, and the music signal can be broadcast without distortion with the use of loudspeaker. Thereby pleting the transmitting and receiving of entire infrared munication system. Keywords: infrared munication modulation 一、引言 隨著科技的進(jìn)步， 無線電通 信技術(shù)得到了前所未有的發(fā)展，而紅外無線數(shù)據(jù)通信相對(duì)于無線電數(shù)據(jù)通信具有低功耗、低價(jià)格、低電磁干擾、高保密性等優(yōu)點(diǎn)，目前發(fā)展迅猛，尤其在近距離無線數(shù)據(jù)通信中得到了廣泛的應(yīng)用． 尤其是 隨著編碼調(diào)制技術(shù)的發(fā)展，紅外無線數(shù)據(jù)通信的數(shù)據(jù)速率越來越高，成為許 多移動(dòng)設(shè)備、室內(nèi)辦公設(shè)備以及手持
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