1 Purpose of Testing

The 3D array radar was used to retest and drill the abnormal position of Hefei municipal roads to verify the detection performance of the array 3D radar and understand the actual needs of users.

2 Using the Device

The GER-MIMO400A10RS three-dimensional array radar is used, with a center frequency of 400MHz, a number of channels of 10, a channel spacing of 14cm, and a detection speed of not less than 20km/h.

3 Partial test results

1) Hollow, depth 70cm

2) Cavity, 30cm deep

3) Cavity, depth 75cm

4) Pipelines and trenches

5) Gravel under the structural layer

6) Buried manhole cover under the road surface