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← ScienceWhich limit is reached in synthetic aperture radar (SAR) resolution due to atmospheric distortions?
A)Speckle noise correlation vanishes
B)Constructive interference phase errors✓
C)Antenna array beamforming limits
D)Signal dispersion chromatic aberration
💡 Explanation
Atmospheric turbulence introduces variable refractive indices, hence affecting the phase of the radar signals. This leads to errors in *constructive interference* and degrades resolution, because coherent signal addition suffers, therefore affecting image reconstruction; rather than pure noise limiting or antenna limitations.
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