Recommendation ITU-R M.1851-2
Policy on Intellectual Property Right (IPR)
Annex 1 Mathematical models for radiodetermination radar and aeronautical
mobile systems antenna patterns for use in interference analyses
1 Introduction
2 Mathematical formulae
2.1 Rectangular aperture antenna
2.1.1 Background
2.1.2 Theoretical antenna equations
2.1.3 Procedure for mask determination
2.2 Antenna with a cosecant-squared elevation pattern
2.3 Theoretical diagrams and masks for different antenna radiation
patterns
2.4 Antenna pattern selection for models without pedestals
3 Antenna pattern comparison
4 Circular parabolic taper aperture antenna
4.1 Parabolic antenna use and pattern description
4.2 Procedure to compute sidelobe envelope
4.3 Antenna pattern selection for models without pedestal
5 Approximating three-dimensional (3-D) patterns
6 Patterns for phased array antennas
6.1 Linear phased antenna array
6.2 Planar phased antenna array
7 Antenna efficiency
8 Measured pattern examples