Working principle

The intersection traffic flow detection and early warning system utilizes the Doppler effect of radar. After accurately detecting the position of a moving target, it wirelessly transmits the trigger signal to multiple affiliated early warning facilities, providing multiple early warnings to enhance safety.

The intersection traffic flow detection and early warning system integrates multiple technologies such as Internet of Things detection triggering, optoelectronic display, and carrier voice automatic guidance. It utilizes artificial intelligence and machine awareness technology to automatically identify the crossing behaviors of pedestrians, non-motorized vehicles, and motor vehicles, detect and distinguish the threats posed by the speed of passing vehicles to pedestrians and vehicles, and automatically issue early warnings to remind drivers to slow down and give way to pedestrians.

System characteristics

It has strong anti-interference ability and can be used all day long

The multi-target radar detector can measure the radial relative motion velocity of the target to the radar according to the magnitude of the Doppler frequency. The distance of the target can be measured based on the time difference between the transmitted pulse and the received pulse. Meanwhile, the Doppler frequency spectral lines of the target are detected by the frequency filtering method, and the spectral lines of the interfering clutter are filtered out, which enables the radar to distinguish the target signal from the strong clutter. Therefore, Doppler radar has a stronger ability to resist clutter interference than ordinary radar. It can detect moving targets hidden in the background and is not affected by rain, fog, weather or light.

2) Programmable, precisely controllable, and with high detection accuracy

Intelligent logic judgment is adopted, and the programmable grid-controlled traveling wave tube is used to enable the radar to operate at different pulse repetition frequencies. It has the ability to adapt to waveforms and can select different frequencies and action ranges according to different scenarios, achieving precise detection with a detection rate of over 99%.

3) It is directional

According to different scenarios, the direction of incoming vehicles and pedestrians can be judged, and the required signals and data can be deleted.

4) Stable transmission

With a matching high-gain directional antenna, the communication distance can reach 300 meters. It is equipped with an appropriate receiving sensitivity, which can eliminate the vast majority of electromagnetic interference and industrial pollution.

5) Flexible solutions

One transmission module can be linked to multiple early warning facilities. According to different application scenarios, different early warning facilities can be matched. The power supply of the system is also quite flexible. It can be powered by a solar energy system or by the municipal electricity.