Articles with "mhz ghz" as a keyword



RF sensor dedicated to the dielectric characterization of spheroids between 500 MHz and 20 GHz

Sign Up to like & get
recommendations!
Published in 2023 at "International Journal of Microwave and Wireless Technologies"

DOI: 10.1017/s1759078723000508

Abstract: To achieve better accuracy in their investigations, biologists have recently been using three-dimensional models as intermediates between two-dimensional cell culture and the in vivo study of tissues. Some of these models are based on spheroids,… read more here.

Keywords: cell; spectroscopy; mhz ghz; dielectric characterization ... See more keywords

Design of a new metasurface and its application for linear to circular polarisation conversion

Sign Up to like & get
recommendations!
Published in 2020 at "International Journal of Electronics"

DOI: 10.1080/00207217.2020.1794050

Abstract: ABSTRACT A new type of metasurface (MTS) structure consisting of two diagonally connected rings is proposed. Proposed MTS with 16-unit cells are arranged in 4 × 4 cells, which converts linearly polarised (LP) to circularly… read more here.

Keywords: arbw mhz; mhz; mts; metasurface ... See more keywords

In Vivo Measurements of Murine Melanoma's Complex Permittivity Between 500 MHz and 8.5 GHz

Sign Up to like & get
recommendations!
Published in 2024 at "IEEE Antennas and Wireless Propagation Letters"

DOI: 10.1109/lawp.2024.3460183

Abstract: Complex permittivity measurements of murine melanoma tumors were performed via an open-ended coaxial probe technique for frequencies ranging from 500 MHz to 8.5 GHz. The measurements were conducted in five mice containing a melanoma tumor… read more here.

Keywords: complex permittivity; mhz ghz; measurements murine; 500 mhz ... See more keywords

WBAN Channel Modeling for 900 MHz and 60 GHz Communications

Sign Up to like & get
recommendations!
Published in 2021 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2020.3045498

Abstract: This article deals with the experimental characterization of the on-body propagation channel for applications in wireless body area networks (WBANs). The on-body propagation was studied between two quarter-wavelength monopole antennas in the 900 MHz band… read more here.

Keywords: 900 mhz; wban channel; mhz band; ghz band ... See more keywords

A 30-MHz–3-GHz CMOS Array Receiver With Frequency and Spatial Interference Filtering for Adaptive Multi-Antenna Systems

Sign Up to like & get
recommendations!
Published in 2017 at "IEEE Transactions on Microwave Theory and Techniques"

DOI: 10.1109/tmtt.2017.2647947

Abstract: A 30-MHz–3-GHz wideband complementary metal–oxide–semiconductor phased array receiver with interference suppression capability in the frequency and spatial domains is presented. A frequency filtering function is provided by a two-stage harmonic rejection mixer with 16-phase local… read more here.

Keywords: frequency; interference; spatial interference; array receiver ... See more keywords
Photo by jordanharrison from unsplash

RF and Microwave Power Standards from 10 MHz to 40 GHz over Decades

Sign Up to like & get
recommendations!
Published in 2018 at "Journal of electromagnetic engineering and science"

DOI: 10.26866/jees.2018.18.2.88

Abstract: Radio frequency (RF) and microwave power is one of the key quantities in the framework of electromagnetic measurement standards. Therefore, the stability of the power standard is essential to users’ reliable measurements in various areas.… read more here.

Keywords: power standards; ghz decades; standards mhz; microwave power ... See more keywords