A Low-Cost Wideband Digital Array Antenna Based on Stretch Processing Technique

Figure 11

Wideband beam pattern. (a) Transmit 0° in azimuth plane. (b) Transmit 0° in elevation plane. (c) Transmit 60° in azimuth plane. (d) Transmit 40° in elevation plane. (e) Receive 0° in azimuth plane. (f) Receive 0° in elevation plane. (g) Receive 60° in azimuth plane. (h) Receive 40° in elevation plane. (i) Gain degradation with beam scanning.

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