Case

Case 1

Case 2

Ambient wind velocity

1.0 m/s

approximately equal to 0.0 m/s

Measurement area size

1700 mm × 1700 mm

Image size

1024 pixel × 1024 pixel

Calibration value

1.6935 mm/pixel

Measurement time

22 sec

45 sec

Measurement interval

4 ms (250 fps)

17 ms (60 fps)

Interrogation region

15 pixel × 15 pixel

13 pixel × 13 pixel

Search region

±5 pixel × ±5 pixel

±5 pixel × ±5 pixel