Table 1.

Estimates of image angular velocity for different pattern velocities

Pattern velocity (cm s-1)Mean flight speed (cm s-1)Estimated image angular velocity (deg. s-1)t-value*P-value*
074.3265
-773.02870.8130.417
-1370.22830.5670.572
-1865.52991.2910.198
-2462.73101.6220.107
-3059.23201.9840.049
-3553.33161.8470.066
1578.1224-1.6980.091
2280.3207-2.3790.018
3090.6215-1.8340.068
37100.9227-1.5850.115
45106.1217-1.6740.096
52123.4254-0.4190.676
  • * These values represent the probability that the estimated image angular velocity for the various pattern velocities is different from the estimated value when the pattern is stationary.