The invention provides a signal transmitting and receiving device and an intelligent traffic system with the same. The signal transmitting and receiving device comprises a data processing module, a modulation and demodulation module, a transceiver and a duplexer which are electrically connected in sequence, the transceiver is further provided with a multi-stage impedance matching circuit, the multi-stage impedance matching circuit comprises an output matching circuit, the output matching circuit is arranged between the duplexer and the transceiver. The modulation and demodulation module adopts a long range and low power consumption (LoRa) modulation technology. According to the signal transmitting and receiving device and the intelligent traffic system with the signal transmitting and receiving device, the gain of the transmitter is effectively improved, and the communication distance is increased.
本发明提供一种信号收发装置及具有该装置的智能交通系统。所述信号收发装置包括依次电连接的数据处理模块、调制解调模块、收发器及双工器,所述收发器还设置多级阻抗匹配电路,所述多级阻抗匹配电路包括输出匹配电路,所述输出匹配电路设置于所述双工器与所述收发器之间,所述调制解调模块采用超长距低功耗(Long Range,LoRa)调制技术。本发明提供的信号收发装置及具有该装置的智能交通系统,有效提高发射器的增益,增加通信距离。
Signal transmitting and receiving device and intelligent traffic system with same
信号收发装置及具有该装置的智能交通系统
2021-12-21
Patent
Electronic Resource
Chinese
Traffic accident signal transmitting and receiving device
European Patent Office | 2020
|VIDEO SIGNAL TRANSMITTING DEVICE AND VIDEO SIGNAL RECEIVING DEVICE
European Patent Office | 2020
|SYSTEM FOR TRANSMITTING AND RECEIVING TRAFFIC SIGNAL INFORMATION AND AN OPERATION METHOD THEREOF
European Patent Office | 2019
|Power transmitting and receiving system, power receiving device, and power transmitting device
European Patent Office | 2022
|