Results 91 to 100 of about 6,760 (299)
Comparative design of millimeter wave RF-MEMS phase shifters [PDF]
, 2016 Phase shifters are widely used for electronic beam steering for various antenna applications. This thesis presents design and comparison of 3 di erent 3-bit transmission type phase shifters, which are switch-line, Distributed MEMS Transmission Line (DMTL)
ENİS KOBAL
core
Improved switchable achromatic phase shifters [PDF]
, 1999 We present optimized designs for two switchable achromatic phase shifters using a pair of ferroelectric liquid-crystal devices with retardations of a half-wave mounted between two quarter-wave retarders.
Ciddor, Philip E. +1 more
core +1 more source
A Center-Fed Beam-Steerable Series Antenna Array With a Wide Matching Bandwidth
IEEE Open Journal of Antennas and PropagationIn this paper, a center-fed beam-steerable series antenna array is presented that has both a wide matching bandwidth and easy control. The proposed matched feeding network for the series array is composed of impedance transformers and voltage-controlled ...
Sungeun Kim +2 more
doaj +1 more source
The human gut microbiome across the life course
FEBS Letters, EarlyView.Despite significant individual variation and continuous change throughout life, the human gut microbiome follows some life stage‐specific trends. This article provides a brief overview of how gut microbiome composition shifts across different phases of life. Created in BioRender. Özkurt, E. (2026) https://BioRender.com/8q4nrnc.
Alise J. Ponsero +4 more
wiley +1 more source
IEEE Journal of MicrowavesThis paper presents a fast and compact design method for planar liquid crystal (LC) phase shifters, using circuit models based on filter design principles.
Robin Neuder +3 more
doaj +1 more source
Properties of State Estimation for Power System with Quadrature Booster in Rectangular Coordinates
Elektronika ir Elektrotechnika, 2018 The paper presents a state estimation of a power system with a phase shifter. A new versatile model of the phase shifter for steady state analyses is introduced. The mentioned model allows for consideration of different types of phase shifters.
Tomasz Okon, Kazimierz Wilkosz
doaj +1 more source
FEBS Letters, EarlyView.Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley +1 more source
Modelling stem cell differentiation related processes—A practical overview for biologists
FEBS Letters, EarlyView.Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar +4 more
wiley +1 more source
Design and analysis strategies for robust microbiome ageing research
FEBS Letters, EarlyView.The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik +5 more
wiley +1 more source
Polarization controllable TM01-TE11 mode converter for high power microwaves
AIP Advances, 2018 An X-band GW-level polarization controllable TM01-TE11 mode converter for high power microwave (HPM) systems is proposed. The mode converter consists of a TM01-TE10 mode coupler, a TE11-TE10 mode coupler and four phase shifters.
J. W. Li +4 more
doaj +1 more source