Results 11 to 20 of about 7,273 (215)

Convolution neural network and 77 ​GHz millimeter wave radar based intelligent liquid classification system

open access: yesJournal of Information and Intelligence, 2023
An intelligent liquid classification system based on 77 ​GHz ​millimeter wave radar and convolution neural network are proposed in this paper. The data are collected by the AWR1843 radar platform and processed by the neural network on the host PC in real-
Jiayu Chen   +6 more
doaj   +1 more source

Compact and Wideband Differentially Fed Dual-Polarized Antenna With High Common-Mode Suppression

open access: yesIEEE Access, 2019
A compact and wideband differentially fed dual-polarized antenna with high common-mode suppression is investigated in this paper. A square patch with crossed-slot consisting of four slant funnel-shaped slots is used as the radiator, generating slant ...
Zhao Zhou   +4 more
doaj   +1 more source

Dual-Band Frequency Selective Surface With Compact Dimension and Low Frequency Ratio

open access: yesIEEE Access, 2020
In this paper, frequency selective surface (FSS) with low profile, miniaturized structure and closely located dual-band is proposed based on the fractal technology. The FSS is designed by etching the conductive pattern on a single layer substrate.
Tong Cheng   +4 more
doaj   +1 more source

Wideband Circularly Polarized Magneto-Electric Dipole $1\times2$ Antenna Array for Millimeter-Wave Applications

open access: yesIEEE Access, 2020
A novel wideband circularly polarized (CP) magneto-electric (ME) dipole 1 × 2 antenna array for millimeter-wave applications is presented in this paper.
Ying-Fang Wang   +4 more
doaj   +1 more source

A Dual-Band MIMO Antenna With Enhanced Isolation for 5G Smartphone Applications

open access: yesIEEE Access, 2019
In this paper, a compact dual-band MIMO antenna array for 5G smartphone applications is proposed. The MIMO antenna consists of eight folded monopole antennas operating at 3.45-GHz band (3300~3600MHz).
Wen Jiang   +4 more
doaj   +1 more source

A Dielectric Resonator Fed Wideband Metasurface Antenna With Radiation Pattern Restoration Under its High Order Modes

open access: yesIEEE Access, 2020
In this article, a dielectric resonator (DR) excited wideband metasurface (MTS) antenna with differential feeding is proposed, which uses two modes of the MTS and the fundamental mode of the DR to achieve multimode operation and obtain wide bandwidth ...
Yonghui Qiu   +5 more
doaj   +1 more source

A broadband integrated microwave photonic mixer based on balanced photodetection

open access: yesFrontiers of Optoelectronics, 2023
An integrated microwave photonic mixer based on silicon photonic platforms is proposed, which consist of a dual-drive Mach–Zehnder modulator and a balanced photodetector.
Zhenzhu Xu   +6 more
doaj   +1 more source

Dual-band beam steering THz antenna using active frequency selective surface based on graphene

open access: yesEPJ Applied Metamaterials, 2021
A dual-band independently beam steering THz antenna is presented, which is composed of a broadband omnidirectional monopole source antenna surrounded by six hexagonal active frequency selective surface (AFSS) screens with switchable filtering response in
Yang Yao-Jia   +3 more
doaj   +1 more source

A Single-Layer Wideband Differential-Fed Microstrip Patch Antenna With Complementary Split-Ring Resonators Loaded

open access: yesIEEE Access, 2019
In this paper, a single-layer wideband differential-fed microstrip patch antenna (DMPA) with complementary split-ring resonators (CSRRs) loaded is proposed.
Shu Feng   +4 more
doaj   +1 more source

Compact U6G Massive MIMO Antenna Arrays With Double-Layer Partial Reflective Decoupling Layers for Mutual Coupling Suppression

open access: yesIEEE Open Journal of Antennas and Propagation, 2023
In this paper, a systematic decoupling strategy of two partial reflective decoupling layers (PRDLs) and dummy decoupling probes (DDPs) is utilized to suppress the complicated couplings in a ±45° dual-polarized, compact antenna array ...
Ting Liu   +7 more
doaj   +1 more source

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