Articles with "wideband" as a keyword



Chalcogenide Metasurfaces Enabling Ultra‐Wideband Detectors From Visible to Mid‐infrared

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202413858

Abstract: Thermoelectric materials can be designed to support optical resonances across multiple spectral ranges to enable ultra‐wideband photodetection. For instance, antimony telluride (Sb2Te3) chalcogenide exhibits interband plasmonic resonances in the visible range and Mie resonances in… read more here.

Keywords: ultra wideband; visible mid; mid infrared; wideband detectors ... See more keywords

Highly miniaturized wideband 3‐dB branch‐line hybrid with second harmonic‐suppression

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32322

Abstract: In this article, a highly miniaturized second harmonic suppressed 3‐dB branch‐line hybrid (BLH) with wideband performance is developed by employing a novel transmission‐line architecture (TLA). The proposed architecture consists of a coupled‐line, a series microstrip‐line… read more here.

Keywords: wideband; line hybrid; second harmonic; highly miniaturized ... See more keywords

A miniaturized ultra‐wideband antenna using “modified” rectangular patch with rejection in WiMAX and WLAN bands

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32732

Abstract: A new miniaturized ultra‐wideband antenna with sufficient dual‐band rejection in WiMAX and WLAN bands is reported. The antenna uses the conventional rectangular patch radiator with built‐in sectorial and Inverted‐U slots to achieve the required dual‐band… read more here.

Keywords: wideband; miniaturized ultra; ultra wideband; wideband antenna ... See more keywords

A novel flexible hexagon wideband CPW‐fed monopole antenna for UWB applications

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Published in 2021 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32832

Abstract: This article proposed a novel compact coplanar waveguide (CPW) fed flexible wideband antenna. The antenna is composed of hexagonal radiation patch, rectangular slots and trapezoid ground. The antenna works in 5.2–41 GHz (154.98% fractional bandwidth) range… read more here.

Keywords: antenna; wideband; ghz band; band ghz ... See more keywords

Development of wideband CPW‐fed microstrip patch antenna on textile substrate

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Published in 2023 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.33692

Abstract: A wideband flexible coplanar microstrip patch (CPW) antenna is developed on a felt substrate to radiate from 1.4 to 3 GHz. The dimension of the antenna is 0.37λ × 0.37λ × 0.007λ, developed on felt, which is a flexible textile… read more here.

Keywords: cpw; textile; microstrip patch; antenna ... See more keywords

A 0.01–50 GHz power detector with temperature compensation and wideband DC‐blocking capacitor

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34315

Abstract: This letter presents a 0.01–50‐GHz resistive matching power detector implemented in a commercial 0.15‐ μm $\mathrm{\mu m}$ GaAs pseudomorphic high electron mobility transistor technology. An analytical expression is derived for the voltage responsivity of the… read more here.

Keywords: temperature; power detector; capacitor; detector ... See more keywords

Design and investigation of an ultra‐wideband microstrip patch antenna for biomedical on‐body applications

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70003

Abstract: Microstrip antennas are increasingly utilized in space‐borne applications, spanning areas such as RFID, mobile communication, and healthcare. This paper introduces a novel wearable ultra‐wideband (UWB) microstrip patch antenna, distinctively designed in a star shape. The… read more here.

Keywords: ultra wideband; microstrip; patch antenna; microstrip patch ... See more keywords

A Novel Compact Wideband Power Divider with Ultra-wideband Harmonic Suppression

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Published in 2018 at "Plasmonics"

DOI: 10.1007/s11468-017-0677-z

Abstract: A compact wideband power divider based on the coupled lines and open stubs is presented in this paper. The proposed power divider has many advanced properties involving excellent input return loss, wide working band, high… read more here.

Keywords: power divider; wideband; wideband power; compact wideband ... See more keywords

Wideband DOA estimation based on focusing signal subspace

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Published in 2019 at "Signal, Image and Video Processing"

DOI: 10.1007/s11760-018-1396-4

Abstract: The traditional wideband direction-of-arrival (DOA) estimation algorithms usually require the preliminary DOA estimations, which determine the accuracy of the final DOA estimations. To remedy the apparent performance degradation, this paper introduces a novel direction-of-arrival (DOA)… read more here.

Keywords: signal subspace; focusing signal; doa; subspace ... See more keywords

On the bending and time domain analysis of compact wideband flexible monopole antennas

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Published in 2019 at "AEU - International Journal of Electronics and Communications"

DOI: 10.1016/j.aeue.2019.01.015

Abstract: Abstract In this paper, flexible, low profile and robust planar monopole antennas are designed and analyzed for its performance over conformal surfaces, intended for Ultra-Wideband (UWB) and Body Centric Wireless Communications (BCWC). By the aid… read more here.

Keywords: wideband; domain analysis; time domain; monopole antennas ... See more keywords

Augmenting ultra-wideband localization with computer vision for accurate flight

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Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.1826

Abstract: Abstract Ultra-wideband radio networks enable low-cost, low-computation robot localization in semi-structured environments; however, previous results have shown that these localization systems suffer from spatially-varying measurement biases, leading to a spatially-varying offset between the physical and… read more here.

Keywords: wideband; wideband localization; localization computer; augmenting ultra ... See more keywords