Antipodal Vivaldi Antenna for Water Pipe Sensor and Telemetry
Figure 3
2-D radiation patterns (dBi) of (a) the planar antenna in free space for (first column) and (second column); (b) the conformal antenna to a 141.2 mm diameter of curvature in free space for and ; (c) the conformal antenna to a 114.3 mm diameter of curvature in free space for and .