elliptical system

elliptical system

[ə′lip·tə·kəl ′sis·təm]
(engineering)
A tracking or navigation system where ellipsoids of position are determined from time or phase summation relative to two or more fixed stations which are the focuses for the ellipsoids.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The transformation matrix between local coordinate of elliptical system and Cartesian coordinate system is decided by rotating angle [beta] (as shown in Figure 2), which is defined as included angle between normal vector [??] and the x-axis in the Cartesian coordinate system.
Interacting galaxies NCC 4782 and NCC 4783 comprise a very unusual giant elliptical system located about 6[degrees] west of Spica, near the Corvus-Virgo border.
One of these is the elliptical system of needlebeams.