Major Scientific Research Team Breaks Through RFID Technology and Is Prone to Metal Interference [Full Text]
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According to Zeng Xiaoping, radio frequency identification technology is an automatic identification technology for data transmission through radio waves, and it is a non-contact automatic identification technology. It automatically identifies target objects and obtains relevant data through radio frequency signals. The identification work can be performed in various harsh environments without manual intervention.
Since radio waves can penetrate water, glass, wood and other media, the technology is widely used in manufacturing, retail, logistics, medical, identification, military, security, security, transportation, food, agriculture, finance, power management, environmental testing and Smart home and other fields.
Although the technology has been successfully applied in many fields at present, due to the fact that radio waves are easily absorbed and interfered by metals, applications in some complex metal environments, such as identification of metal parts, medical instruments, metal containers, license plates, etc., are passive. RFID tags often show missed reading, misreading or even complete failure. This situation has severely restricted the popularity and promotion of RFID in the logistics and other industries.
The scientific research team led by Professor Zeng Xiaoping of Chongqing University is supported by the Chongqing Science and Technology Commission project “Key Technology and Design of RFID System under Complex Metallic Environmentâ€. The electromagnetic theory of RFID under complex metal environment, design of transmission and receiving antenna structure materials, and high transmission The efficiency circuit has accumulated many years of R&D experience. At present, it has initially solved the problems of the effectiveness, reliability, and efficiency of RFID system transmission under the complex metal environment, and it has been confirmed and praised by the cooperative manufacturers. This technology will further promote the popularization of RFID technology in Chongqing and promote the development of the information industry in Chongqing.