Research Article
Nonuniformly Spaced Array with the Direct Data Domain Method for 2D Angle-of-Arrival Measurement in Electronic Support Measures Application from 6 to 18 GHz
Figure 16
An example of a 2D-angle grid formed by an icosphere-based mesh; 7-element NSA phase-reference center and the icosphere center are collocated at the origin of the XYZ-coordinate system.