Investigation on Harmonic Tuning for Active Ku-Band Rectangular Dielectric Resonator Antennas

Figure 8

Radiation patterns for a DRA with 𝑎=4.25mm, and 𝑎/𝑏=min(𝑎/𝑏)=0.55 or 𝑎/𝑏=max(𝑎/𝑏)=0.91: (a) 𝑥𝑦 plane (𝐸-plane); (b) 𝑦𝑧 plane (𝐻-plane).

(a)

(b)