Phaseless Spherical Near-Field to Far-Field Transformation Algorithm via Sparsity of Spherical Mode Coefficients

<div>The radiation pattern corresponds to the single and double spherical sampling methods. The left and right figures represent the E-plane and H-plane, respectively. (a) E-plane. (b) H-plane.</div>

International Journal of Antennas and Propagation

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Figure 5

Figure 5: Phaseless Spherical Near-Field to Far-Field Transformation Algorithm via Sparsity of Spherical Mode Coefficients 