An ultra-wideband vivaldi antenna system for long-distance electromagnetic detection
J Ren, H Fan, Q Tang, Z Yu, Y Xiao, X Zhou - Applied Sciences, 2022 - mdpi.com
Enlarging or reducing the antenna beam width of antennas can improve the positioning
capability of detection systems. A miniaturized and easily fabricated ultra-wideband (UWB) …
capability of detection systems. A miniaturized and easily fabricated ultra-wideband (UWB) …
Ultra-Wide Band Double-Slot Podal and Antipodal Vivaldi Antennas Feed by Compact Out-Of-Phase Power Divider Slot for Fluid Properties Determination
J Ghimire, DY Choi - Sensors, 2022 - mdpi.com
In this paper, double slot podal and antipodal ultra-wideband (UWB) microstrip antennas for
a fluid property measurement system are proposed. Among different feeding techniques, out …
a fluid property measurement system are proposed. Among different feeding techniques, out …
Generalized Concept and MATLAB Code for Modeling and Analyzing Wideband 90° Stub-Loaded Phase Shifters with Simulation and Experimental Verifications
In the design of phase shifters, the modeling equations are too complicated and require
some approximations to be derived correctly by hand. In response to this problem, this paper …
some approximations to be derived correctly by hand. In response to this problem, this paper …
RCTrans-Net: A spatiotemporal model for fast-time human detection behind walls using ultrawideband radar
Ultrawideband (UWB) radar systems are becoming increasingly popular for detecting
human presence, even through walls. Recent advancements in signal processing use deep …
human presence, even through walls. Recent advancements in signal processing use deep …
Design of Wideband High-Gain Patch Antenna Array for High-Temperature Applications
R Li, P Li, P Rocca, AÁ Salas Sánchez, L Song, X Li… - Sensors, 2023 - mdpi.com
A low-profile, wideband, and high-gain antenna array, based on a novel double-H-shaped
slot microstrip patch radiating element and robust against high temperature variations, is …
slot microstrip patch radiating element and robust against high temperature variations, is …
Cost-Efficient Two-Level Modeling of Microwave Passives Using Feature-Based Surrogates and Domain Confinement
A variety of surrogate modeling techniques has been utilized in high-frequency design over
the last two decades. Yet, the curse of dimensionality still poses a serious challenge in …
the last two decades. Yet, the curse of dimensionality still poses a serious challenge in …
Simple Compact UWB Vivaldi Antenna Arrays for Breast Cancer Detection
In this study, at ultra-wideband (UWB) frequency band (3.1–10.6 GHz), we propose the use
of compact 2: 1 and 3: 1 nonuniform transmission line Wilkinson power dividers (NTL WPDs) …
of compact 2: 1 and 3: 1 nonuniform transmission line Wilkinson power dividers (NTL WPDs) …
[HTML][HTML] A Compact Wideband Vivaldi Antenna for Non-Invasive Glucose Monitoring
S Yang, Y Wang, S Gao, Y Zhuang, L Wang… - …, 2024 - pmc.ncbi.nlm.nih.gov
Due to the high gain, wide bandwidth, and directional radiation characteristics of Vivaldi
antennas, this paper conducted relevant research on the feasibility of non-destructive blood …
antennas, this paper conducted relevant research on the feasibility of non-destructive blood …
An optimal linear and elliptical antenna array design using black widow optimisation for 5G communication
This research illustrates a precise linear and elliptical antenna array design for synthesising
the optimal far‐field radiation pattern in the fifth‐generation (5G) communication spectrum …
the optimal far‐field radiation pattern in the fifth‐generation (5G) communication spectrum …
Design of a novel wideband leaf-shaped printed dipole array antenna using a parasitic loop for high-power jamming applications
E Kang, TH Lim, S Park, H Choo - Sensors, 2021 - mdpi.com
This paper proposes a novel wideband leaf-shaped printed dipole antenna sensor that uses
a parasitic element to improve the impedance matching bandwidth characteristics for high …
a parasitic element to improve the impedance matching bandwidth characteristics for high …