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The design of a broad-band cavity-backed microstrip phased array antenna is presented in this paper. The array antenna uses novel single layer cavity-backed microstrip patch elements supporting broad operating frequency band. The better angle scan performance of the array antenna can be obtained because of the using of the independent probe feeding technique. The design has been experimentally validated...
A wideband microstrip array antenna with the 2nd harmonic suppression characteristics is presented in this paper. The array antenna is comprised of a 16-element microstrip dipole array and 16 low-pass microstrip shunt-open stub filters. The 2nd harmonic suppression function is achieved using a 9 step low-pass microstrip shunt-open stub filter. The low-profile and wide-band microstrip dipole antenna...
An S/X dual-band dual-polarised shared aperture microstrip array with fractional frequency ratio (FR = 1:3.5) is presented. A hybrid feed is adopted in this phased array to improve the isolation. Measured results agree well with the simulation, exhibiting a |S>sub>11| ⩽ 15 dB bandwidth of 10% in both bands. Good polarisation-isolation and radiation pattern are also confirmed.
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