Table 2.
Spatial frequency scale | ||||||
---|---|---|---|---|---|---|
BB | HSF | HSF | ||||
Subcategory (type) | RT | SEM | RT | SEM | RT | SEM |
Civil airliner | 668 | 35 | 674 | 32 | 763 | 41 |
Combat jet | 642 | 33 | 674 | 28 | 707 | 34 |
Note. BB = broadband; HSF = high-pass filtered; LSF = low-pass filtered.