Low-cost software radio system applied to teaching

• Main Authors: HAN WEILIANG, CUI MINGYANG, YANG JING, ZOU SHUGUANG, HU YADONG, ZHU CHUNHUA
• Format: Patent
• Language: Chinese; English
• Published: 18.03.2025
• Subjects: ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GLOBES; PHYSICS; PLANETARIA; SEALS

A low-cost software radio system applied to teaching comprises an antenna, a switch and a core board, and the core board is connected with an ADC module, a DAC module and an OLED module. The antenna and the switch are mutually connected, the switch is connected with a receiver and a transmitter, the receiver and the transmitter are used for transmitting, receiving and conditioning of signals, and the core board is used for modulation and demodulation of baseband signals and user operation; in conclusion, through low-cost hardware construction, the experiment cost of the system is greatly reduced, the experiment requirements of most subjects of majors such as communication engineering and electronic information engineering can be met, the combination part of theory and practice is greatly improved, and the practical ability of students is improved. 一种应用于教学的低成本软件无线电系统，包括天线、开关和核心板，核心板连接有ADC模块、DAC模块和OLED模块；天线和开关相互连接，所述开关连接有接收机和发射机，接收机和发射机用于信号的收发调理，核心板用于基带信号的调制解调与用户操作；综上所述，本实用新型通过低成本的硬件搭建，本系统的实验成本大大降低，能够满足通信工程和电子信