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Topic: Speed Radar Questions (Read 14 times) previous topic - next topic


Hi, I'm new here  :) i had a small project regarding measuring the speed of vehicles so i had to create a speed radar just like those speed radar signs on the road. What i'm doing now is creating a speed radar circuit which is for experimentation only. I had used a GH-100 Microwave Doppler Sensor and had able to interfaced it on arduino using the frequency library.

What i want to ask for those who had created or experienced how the speed radar works is that, can the speed radar detect a car which is behind it (even its not on its cone detecting range)? And if it detects the speed of a car that is reversing towards the back of the speed radar?

Example, we have a road and it has two (2) directions which is x and y, let's say x-direction is towards east and y-direction is towards west. Theres a speed radar sign perpendicular to the road and it is facing on x-direction (east) meaning it now measures the speed of cars coming from x-direction going y-direction.

My question means, Can the speed radar detect the speed of the car that is coming from the y-direction (west) going x-direction (east)? And can speed radar detect the speed of the car that is in reverse-mode coming from y-direction going x-direction?

I hope you can help me. React please if you had an idea with these. Thank you very much.

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