Design of broadband graphene-metamaterial absorbers for permittivity sensing at mid-infrared regions
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DOI: 10.1038/s41598-018-22536-x
Abstract: In this paper, a tunable broadband metamaterial absorber (MA) based on graphene is investigated theoretically and numerically at mid-infrared regions. Compared with the previously reported multiband graphene-based MAs, a broad bandwidth of 11.7 THz with the… read more here.
Keywords: design broadband; broadband graphene; permittivity; graphene ... See more keywords
On the Design of Broadband Hybrid Amplifiers Using Non-Uniform Transmission Lines as Impedance Matching Networks
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DOI: 10.1109/access.2019.2897290
Abstract: In this paper, an approach for the practical design of broadband amplifiers in hybrid technology is presented. It is based on the use of non-uniform transmission lines to implement impedance matching networks, which are synthesized… read more here.
Keywords: impedance matching; design broadband; uniform transmission; transmission lines ... See more keywords
Design of Broadband Compressed Sampling Receiver Based on Concurrent Alternate Random Sequences
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DOI: 10.1109/access.2019.2942687
Abstract: Modulated wideband converter (MWC) is a multi-branch sub-Nyquist sampling structure for processing the spare wideband signals. By mixing with a periodic pseudo-random bit sequence (PRBS), each branch of MWC compresses the information of the input… read more here.
Keywords: design broadband; mwc; rate; mwc mwc ... See more keywords