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Plan Position Indicator (PPI)
scanning mode
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Plan Position Indicator (PPI):
When scanning in PPI mode, the radar holds its
elevation angle
constant but varies its azimuth angle.
The returns can then be mapped
on a horizontal plane.
If the radar rotates through 360 degrees, the scan is
called a "surveillance scan". If the radar rotates through less than 360
degrees, the scan is called a "sector scan". |
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