摘要
为了能够进一步减小系统发射端和接收端的体积,实现高速通信,提升系统的抗干扰能力,以STC12微控制器为主控芯片,设计了一套基于单片机的可见光字符传输系统。通过采用视距链路、光幅度调制-直接检测技术对发光二极管(LED)高速调制,并对系统的抗环境噪声能力进行了测试。实验结果表明:该系统能够实现3 m距离内中英文字符的高速数据通信,准确度达90%以上,具有良好的抗干扰性能且便于携带。
In order to further reduce the volume of the transmitter and receiver of the system,realize high-speed communication,and improve the anti-interference ability of the system,a set of visible light character transmission system based on singlechip microcomputer is designed with STC12 microcontroller as the main control chip.By adopting the line-of-sight link and optical amplitude modulation-direct detection technology,the light-emitting diode(LED) is modulated at high speed,and the antienvironmental noise capability of the system is tested.The experimental results show that the system can realize high-speed data communication of Chinese and English characters within 3 m,with an accuracy of more than 90%.It has good anti-interference performance and easy to carry.
作者
王加安
杨鸿基
戴鹏
WANG Jiaan;YANG Hongji;DAI Peng(School of Photoelectric Engineering,Changzhou Institute of Technology,Changzhou Jiangsu 213032,China)
出处
《光通信技术》
2022年第2期13-17,共5页
Optical Communication Technology
基金
江苏省高等学校自然科学研究面上项目(20KJB510041)资助
常州工学院高层次人才引进项目(E3-6701-18-113)资助。
关键词
可见光通信
字符传输
口袋式
STC12微控制器
抗环境噪声
visible light communication
character transmission
pocket type
STC12 microcontroller
anti-interference noise
