Research Article

Ka-Band Slot-Microstrip-Covered and Waveguide-Cavity-Backed Monopulse Antenna Array

Table 2

Measured maximum gains and the null depths at different frequencies.

f (GHz)Maximum gain (dBi)Null depth (dBi)

33.6525.24−28.1
33.824.79−37.3
3424.84−29.9
34.224.51−26
34.3524.55−25.7