Inverse Cassegrain reflector
The reflector can be analyzed using the student version of GRASP available from TICRA using a Gaussian beam feed antenna. To understand the geometry, see: C. Granet, Designing Classical Offset Inverse-Cassegrain Dual-Reflector Antennas from Combinations of Prescribed Geometric Parameters, IEEE Antennas and Propagation Magazine, Vol. 45, no. 3, June 2003, pp. 102-108. A set of Fortran subroutines for this geometry is contained in the set: granet_equations.
A step-by-step presentation with audio tracks using student version of GRASP10 can be downloaded Inv_Cass10_ppt_ audio with input files: inv_cass_GRASP.
