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3. Control of emitted electromagnetic radiation

Landes, France Because an imaging radar is an active system, the properties of the transmitted and received electromagnetic radiation (power, frequency, polarization) can be optimised according to mission specification goals.

The top part of the image shows a three band combination (P-Band-->RED, L-Band-->GREEN and C-Band-->BLUE) for JPL aircraft SAR overfly over Landes (F) during the MAESTRO-1 campaign. On the bottom side, a multipolarization combination (HH -->RED, VV-->GREEN and HV-->BLUE) shows different details of the same site.

4. Control of imaging geometry

Control imaging Because an imaging radar is an active system, the geometric configuration for illuminating the terrain (altitude of aircraf/spacecraft depression angle) can be optimised according to mission specification goals.