A Truncated Waveguide Fed by a Microstrip as a Radiating Element for High-Performance Automotive Anticollision Radars

<table>Input Admittance of the 8-element array (HFSS data), normalized to 0.02 S.</table>

International Journal of Antennas and Propagation

Figure 9: A Truncated Waveguide Fed by a Microstrip as a Radiating Element for High-Performance Automotive Anticollision Radars 