Synthesis of the Sparse Uniform-Amplitude Concentric Ring Transmitting Array for Optimal Microwave Power Transmission

<div>The minimum element number on different radiuses for the constraint of <i>ς<sub>m</sub></i> ≤ −30 dB.</div>

International Journal of Antennas and Propagation

Figure 2: Synthesis of the Sparse Uniform-Amplitude Concentric Ring Transmitting Array for Optimal Microwave Power Transmission 