Recommendation ITU-R P.372-17
Policy on Intellectual Property Right (IPR)
PART 1
General
1.1 Sources of radio
noise
1.2 Terms for the
specification of noise intensity and their interrelationship
1.2.1 Noise
factor
1.2.2 r.m.s
noise field strength
1.2.3 Noise
temperature
1.2.4 Noise
variability
PART 2
Noise levels as a function of frequency
PART 3
Noise from atmospheric gases and the Earth’s surface
3.1 Radio noise due to
the Earth’s atmosphere for earth stations
3.1.1 Instantaneous
brightness temperature prediction method
3.1.2 Statistical
brightness temperature prediction method
3.2 Radio noise due to
the Earth’s atmosphere and the Earth’s surface for space stations
PART 4
Brightness temperature due to extra-terrestrial sources
4.1 Brightness
temperature due to extra-terrestrial sources
PART 5
Atmospheric noise due to lightning
5.1 Atmospheric noise
due to lightning
PART 6
Man-made noise
6.1 Outdoor man-made
noise
6.1.1 Additive
white Gaussian noise
6.2 Indoor man-made
noise
6.2.1 Additive
white Gaussian noise
PART 7
The combination of noises from several sources
7.1 The combination of
noises from several sources