A Simple Method to Stabilize Radiation Pattern over a Large Bandwidth

Figure 5

Measured directivity patterns at 5 frequency points before (black solid) and after (blue dashed) radiation stabilization structure is employed.

(a) 10.10 GHz

(b) 11.52 GHz

(c) 12.00 GHz

(d) 12.96 GHz

(e) 14.10 GHz