CHUANGDI TECHNOLOGY
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Radar speed measurement mainly utilizes the principle of Doppler Effect
Traffic signals are divided into motor vehicle signals
Electric light signs, also known as tunnel electric light signs
With the gradual improvement of highway construction in plain areas, hilly areas
ETC，Electronic Toll Collection， It is one of the service functions of intelligent
Photoelectric sign (telephone)
Due to the fact that highway tunnels are enclosed spaces with limited
The lane keeping assist system is a type of intelligent driving assistance
