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A novel coplanar waveguide fed printed rectangular slot antenna is proposed in this paper, which consists of a substrate layer of the CPW-fed rectangular slot antenna, a composite cavity, and a SMA connector with the vertical transition structure. The simulated results indicate that the antenna has the 10dB impedance bandwidth of 49%, the 3-dB beamwidth of exceeding 107° in E-plane, the gain of 6dBi,...
We interpret physically the dynamics of resonant seed modulation instability of quasi-continuous picosecond pulses in terms of cascaded four-wave mixing and Bragg scattering. We also report a critical condition to excite the resonant seeding effect.
A wideband strip-line-fed dielectric resonator antenna is proposed for the 60-GHz UWB communication. The antenna achieves an bandwidth of ∼15%, which is sufficient to covering the 60-GHz band, and provides a stable inclined radiation pattern, with a gain of 7.1±0.3 dBi over the entire operating bandwidth. Moreover, this antenna owns a simple structure and easy to integrate with MMICs. It is very suitable...
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