What is the principle used in slot antennas?

Slot antennas are very popular microwave antennas, and slotted waveguides are used for high frequency radar systems A thin slot in an

slot antennas It is analytically shown that by decreasing the permittivity of a dielectric loaded slot antenna, the resulting bandwidth

slot welding symbol A prominent feature of high aspect ratio rectangular slot antennas is its striking polarization dependence: for normal incidence, only light

slot pandora Miniature CPW-fed inductively coupled slot antennas using stepped impedance resonator with tuning slot stub loading are designed and