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We present a comprehensive analysis of terahertz waves propagation through a bulk MoS$_2$ crystal slab. It is shown that broadband coherent perfect absorption can be achieved and the coherent absorptivity can be adjusted from 1.57% to 99.97% by means of phase modulation. Moreover, the relative bandwidth for over 90% coherent absorptivity can be as wide as 179%. By increasing the doping rate in MoS...
Power divider is widely used in the phased antenna array. In this paper, a novel ultra-wideband divider with high isolation is proposed, which bases on the multi-section transmission line theory to extend the bandwidth of the power divider and the multilayer technique to reduce the size of the power divider. The simulated isolation of power divider is almost 25 dB from 3.1 GHz to 10.6 GHz, and the...
In this paper, a block of active phased antenna subarray module for the high resolution synthetic aperture radar (SAR) applications was designed, fabricated and measured. The measured results of the module show perfect characteristics and verified by the experiment.
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