CONTENTS

Recommendation ITU-R RS.1166-6
Policy on Intellectual Property Right (IPR)
Annex 1  Performance and interference criteria for  spaceborne active sensors
 1     Introduction
        1.1     Systematic and random interference
 2     Radar sounders
        2.1     Operational characteristics of the radar sounders
        2.2     Performance criteria of radar sounders
        2.3     Interference criteria of radar sounders
 3     Synthetic aperture radar (SAR) imagers
        3.1     Performance criteria of SARs
        3.2     Interference criteria of SAR
                  3.2.1     Processing gain of noise and noise-like interference
                  3.2.2     Processing gain of other interference signals
                  3.2.3     Calculation of allowable interference
                  3.2.4     Interference criteria
                  3.2.5     Availability criterion
        3.3     Snow water equivalent (SWE) retrieval radars
 4     Scatterometers
        4.1     Performance criteria
        4.2     Interference criteria
 5     Altimeters
        5.1     Performance criteria
        5.2     Interference criteria
 6     Precipitation radars
        6.1     Precipitation radars based upon GPM DPR
                  6.1.1     Performance criteria at 13.597/13.603 GHz
                  6.1.2     Interference criteria
                  6.1.3     GPM 35 GHz band precipitation radar
 7     Cloud profile radars
        7.1     Performance criteria for 94 GHz cloud profile radar
        7.2     Interference criteria for 94 GHz cloud profile radar
        7.3     Availability criteria of the cloud profile radar
 8     Measurement area of interest for the evaluation of systematic interference
 9     Transient impulse interference considerations
        9.1     Determination of peak transient power for some modulation schemes
10     Typical EESS (active) sensor parameters to be used in determining impact from differing types of interference