Rhombic Grid Array Antenna
作者： Hisamatsu Nakano , Yasushi Iitsuka , Junji Yamauchi
关键词: Physics 、 Frequency response 、 Antenna efficiency 、 Radiation pattern 、 Wavelength 、 Antenna (radio) 、 Rhombic antenna 、 Optics 、 Dipole antenna 、 Frequency band
摘要: A rhombic grid array antenna (RGAA) is proposed and its frequency-scanning performance discussed. The RGAA has numerous bent radiation elements, forming cells loops. As the frequency increased, beam from becomes a forward-fire beam. It found that, as bend angle of elements decreased, useful characteristics shift to lower region. also that provides more stable gain within band bounded by 3- 4-guided-wavelength resonances loops, compared with conventional having non-bent elements. Further investigation reveals VSWR small 4-guided wavelength resonances, desired, contribute increasing efficiency.
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