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5.4-3 A pulsed airborne radar flies horizontally over a flat (horizontal) surface for which -001 m2/m2. Altitude is 3 km, the radar's beam depression angle

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5.4-3 A pulsed airborne radar flies horizontally over a flat (horizontal) surface for which -001 m2/m2. Altitude is 3 km, the radar's beam depression angle is /6, and its beamwidths are -: 12 degrees (vertical plane) and -- 15 degrees (slant plane). If the radar transmits a simple rectangular, constant- frequency, pulse of duration 10 us, what cross section of the surface does the radar see? 5.4-3 A pulsed airborne radar flies horizontally over a flat (horizontal) surface for which -001 m2/m2. Altitude is 3 km, the radar's beam depression angle is /6, and its beamwidths are -: 12 degrees (vertical plane) and -- 15 degrees (slant plane). If the radar transmits a simple rectangular, constant- frequency, pulse of duration 10 us, what cross section of the surface does the radar see

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