A device for recording the microwave scattering properties of surfaces.

A non - imaging radar device that records backscatter of terrain as a function of incidence angle.

An instrument which measures dispersal.

radar system that infers wind speed by measuring the backscattering cross section (or normalized radar cross section).

A radar scatterometer is designed to determine the normalized radar cross section (sigma-0) of the surface. Scatterometers operate by transmitting a pulse of microwave energy towards the Earth's surface and measuring the reflected energy. A separate measurement of the noise-only power is made and subtracted from the signal+noise measurement to determine the backscatter signal power.