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This paper illustrates and applies the recently established Q-balancing condition in frequency-scanning periodic leaky-wave antennas (LWAs) for achieving a frequency independent leakage factor and input impedance. The unit cells of such LWAs can be modeled by an equivalent two-port network comprising two independent circuit elements, a series resonator and a shunt resonator, which are characterized...
This paper presents a novel series-fed patch leaky-wave antenna (LWA) and furthermore demonstrates optimization strategies for achieving efficient broadside radiation. The proposed LWA is based on the concept of a proximity coupled microstrip patch antenna. Here, two feeding lines from both sides couple capacitively to the microstrip patch edges to form a unit cell element of the LWA. This capacitively-coupled...
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