Phase-equivalent interferometer arrays
First Claim
1. A method for modifying conventional linear and planar interferometer arrays for installation on a conformal surface, comprising the steps of:
- designing a conventional linear or planar interferometer array,choosing a dispersed set of baselines on the basis of said conventional linear or planar array design and in accordance with the particular conformal surface installation,changing the value of phase measurement noise for the conventional linear or planar array design so that it is consistent with a value for said dispersed set of baselines, andgenerating a multiplicity of phase equivalent antenna locations from the specific antenna positions of the conventional design which consists, for a particular baseline a1 and arbitrary origin change a0, of the set of all antenna positions a0 and a1 on a line with Pluecker coordinates (dp d0 ×
di) such that
space="preserve" listing-type="equation">|a.sub.1 -a.sub.0 |-|d.sub.1 |.2.
2 Assignments
0 Petitions
Accused Products
Abstract
A method is described modifying initially linear or planar interferometer arrays such that the arrays can be placed in conformal installations. The method commences with a conventional linear or planar array design and then using certain techniques and relationships allows for the possibility of antenna placement with materially reduced restrictions. A plurality of phase equivalent antenna locations obeying prescribed relationships are generated. These positions lie on the conformal surface on which the array is to be mounted. This permits an optimal set of antenna positions to be chosen based on operational requirements.
-
Citations
6 Claims
-
1. A method for modifying conventional linear and planar interferometer arrays for installation on a conformal surface, comprising the steps of:
-
designing a conventional linear or planar interferometer array, choosing a dispersed set of baselines on the basis of said conventional linear or planar array design and in accordance with the particular conformal surface installation, changing the value of phase measurement noise for the conventional linear or planar array design so that it is consistent with a value for said dispersed set of baselines, and generating a multiplicity of phase equivalent antenna locations from the specific antenna positions of the conventional design which consists, for a particular baseline a1 and arbitrary origin change a0, of the set of all antenna positions a0 and a1 on a line with Pluecker coordinates (dp d0 ×
di) such that
space="preserve" listing-type="equation">|a.sub.1 -a.sub.0 |-|d.sub.1 |.2. - View Dependent Claims (2, 3, 4, 5, 6)
-
Specification