Results 31 to 40 of about 2,042 (184)

Potential to use Microstrip Patch Instead of Dipole Antennas in 2.4 GHz Wireless Sensor Networks

Telfor Journal, 2022
This paper describes the process of designing, simulating and measuring antenna parameters in order to perform a comparative analysis of the performance of microstrip patch antennas and dipole antennas intended for use in wireless sensor networks.
M. M. Milivojčević, N. D. Tolić, M. I. Štimac   +2 more
doaj   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

Advanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Highly Vertically Oriented Graphene Microstrip Pads With Ultrahigh Through‐Plane Thermal Conductivity and Ultralow Compressive Modulus for Efficient Heat Dissipation

Advanced Science, EarlyView.
Vertically aligned graphene microstrip pads (GMPs) break the traditional thermomechanical trade‐off in thermal interface materials. It simultaneously achieves an ultrahigh through‐plane thermal conductivity of 565.92 W m−1 K−1 and an ultralow compressive modulus below 115.16 kPa.
Xu Ran, Yaru Wang, Sijia Wu, Hejun Wang, Junhao Shen, Litao Sun, Xing Wu, Hengchang Bi   +7 more
wiley   +1 more source

Microstrip Patch Antenna: A Survey

IOSR Journal of Electrical and Electronics Engineering, 2014
The sizes and weight of various wireless electronic system have rapidly reduced due to the development of modern integrated circuit technology. A Microstrip antenna (MSA) is well suited for wireless communication due to its low profile, conformal nature, light weight, low cost of production, robust nature and compatibility with microwave monolithic ...
Sakshi Srivastava, Ankit Khandelwal, Dr. Sandeep Sharma   +2 more
openaire   +1 more source

Microstrip Antenna Gain Enhancement using Near Zero Refractive Index Metamaterials [PDF]

Journal of Electrical and Computer Engineering Innovations, 2017
Some useful features of microstrip patch antennas are low profile, low weight and easy fabrication. However this type of antenna suffers from having a low gain, caused by propagation surface waves.
S. Mohanna, A. Tamandani, S. Soltani
doaj   +1 more source

A Comprehensive Review of Portable Microwave Sensors for Grains and Mineral Materials Moisture Content Monitoring

IEEE Access, 2021
In this paper, a comprehensive review of portable microwave sensors for monitoring moisture content (MC) is presented. MC monitoring is crucial in different industries, particularly food and farming. Microwave-based approaches for measuring the MC of the
Nima Javanbakht, George Xiao, Rony E. Amaya   +2 more
doaj   +1 more source

Metasurface‐Enabled Active‐Like Passive Radar

Advanced Science, EarlyView.
A programmable space‐time‐coding metasurface embeds distinct spatiotemporal tags into ambient wireless signals, allowing passive radar to operate in an active‐like manner. By enabling code‐correlated reconstruction under interference, the approach supports robust real‐time UAV tracking in complex environments and points to intelligent, low‐power ...
Mingyi Li, Jiawen Xu, Hanting Zhao, Xu Zhao, Yanjin Chen, Tie Jun Cui, Vincenzo Galdi, Lianlin Li   +7 more
wiley   +1 more source

Liquid Metals in Radio Frequency Applications: A Review of Physics, Manufacturing, and Emerging Technologies

Advanced Electronic Materials, EarlyView.
This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley   +1 more source

A New Technique Using Axially Slotted Microstrip Line for Antenna Impedance Matching Designs

Journal of Microwaves, Optoelectronics and Electromagnetic Applications
A new technique is presented for designing microstrip patch antennas with very good input impedance matching. The analysis is carried out for 1.78 GHz, 2.42 GHz and 3.46 GHz rectangular patch antennas printed on low-cost fiberglass substrates (FR-4 ...
André N. da Silva, Rafaela G. G. de Carvalho, Adaildo G. D’Assunção Junior, Adaildo G. D’Assunção   +3 more
doaj   +1 more source

3D Printed Fingernail Antennas for 5G Applications

IEEE Access, 2020
3D printing of antennas on removable fingernail for on-body communications at microwave and millimetre waves is proposed. Aerosol Jet technology, a fine-feature material deposition solution, has been used to directly print microstrip patch antennas on an
Peter Njogu, Benito Sanz-Izquierdo, Ahmed Elibiary, Sung Yun Jun, Zhijiao Chen, David Bird   +5 more
doaj   +1 more source