simulation - Microstrip Patch antenna has improved impedance matching but no improvement on gain - Electrical Engineering Stack Exchange
SciELO - Brasil - A New Technique Using Axially Slotted Microstrip Line for Antenna Impedance Matching Designs A New Technique Using Axially Slotted Microstrip Line for Antenna Impedance Matching Designs
The microstrip antenna, Part 2: Implementation
SIMPLE MODEL FOR THE INPUT IMPEDANCE OF RECTANGULAR MICROSTRIP ANTENNA | Semantic Scholar
Patch Antenna - David S. Ricketts
Microstrip Patch Antenna: From Simulation to Realization