Results 71 to 80 of about 1,628,238 (276)

The Problem of Spurious Emissions in 5G FR2 Phased Arrays, and a Solution Based on an Upmixer With Embedded LO Leakage Cancellation

open access: yesIEEE Open Journal of the Solid-State Circuits Society
The wireless spectrum is a shared resource. Transmitters are expected to transmit only at their allotted frequency range and not at other frequencies. Transmitters are not perfect, and therefore, there are regulations that limit the transmitted energy ...
Arun Paidimarri   +4 more
doaj   +1 more source

Quasi-Real Scenario of Reconfigurable Filtering Functions Antenna for UWB Communications

open access: yesElektronika ir Elektrotechnika, 2018
In this paper, an Ultra Wide Band antenna with reconfigurable filtering-characteristic is proposed to overcome interferences problems in the frequency range 3.1 GHz–10.7 GHz. With dimensions of 35 x 35 mm2, the structure is simple, low–cost and possesses
Hicham Medkour   +4 more
doaj   +1 more source

Unbiased population heterozygosity estimates from genome‐wide sequence data

open access: yesMethods in Ecology and Evolution, 2021
Heterozygosity is a metric of genetic variability frequently used to inform the management of threatened taxa. Estimating observed and expected heterozygosities from genome‐wide sequence data has become increasingly common, and these estimates are often ...
Thomas L. Schmidt   +3 more
doaj   +1 more source

On the Impact of Entity Linking in Microblog Real-Time Filtering

open access: yes, 2016
Microblogging is a model of content sharing in which the temporal locality of posts with respect to important events, either of foreseeable or unforeseeable nature, makes applica- tions of real-time filtering of great practical interest.
Berardi G.   +5 more
core   +1 more source

Nicotinamide N‐methyltransferase promotes drug resistance in lung cancer, as revealed by nascent proteomic profiling

open access: yesMolecular Oncology, EarlyView.
AZD9291 has shown promise in targeted cancer therapy but is limited by resistance. In this study, we employed metabolic labeling and LC–MS/MS to profile time‐resolved nascent protein perturbations, allowing dynamic tracking of drug‐responsive proteins. We demonstrated that increased NNMT expression is associated with drug resistance, highlighting NNMT ...
Zhanwu Hou   +5 more
wiley   +1 more source

A full-scale simulator for research of navigation and filtering algorithms of a strapdown inertial navigation system using the Matlab-Simulink environment

open access: yesНаучный вестник МГТУ ГА
Due to the increasing complexity of aircraft navigation equipment and the growing demands placed on them, there is a need to study and improve existing navigation and filtering algorithms by solving problems of developing full-scale research simulators ...
A. A. Sanko   +2 more
doaj   +1 more source

Purification and redistribution of entanglement via single local filtering

open access: yes, 2014
The effect of filtering operation with respect to purification and concentration of entanglement in quantum states are discussed in this paper. It is shown, through examples, that the local action of the filtering operator on a part of the composite ...
Geetha, P. J., Sudha, Yashodamma, K. O.
core   +1 more source

Characterizing the salivary RNA landscape to identify potential diagnostic, prognostic, and follow‐up biomarkers for breast cancer

open access: yesMolecular Oncology, EarlyView.
This study explores salivary RNA for breast cancer (BC) diagnosis, prognosis, and follow‐up. High‐throughput RNA sequencing identified distinct salivary RNA signatures, including novel transcripts, that differentiate BC from healthy controls, characterize histological and molecular subtypes, and indicate lymph node involvement.
Nicholas Rajan   +9 more
wiley   +1 more source

Linear Regression Based Real-Time Filtering

open access: yesAdvances in Electrical and Electronic Engineering, 2013
This paper introduces real time filtering method based on linear least squares fitted line. Method can be used in case that a filtered signal is linear. This constraint narrows a band of potential applications.
Misel Batmend, Daniela Perdukova
doaj   +1 more source

Model of Low-pass Filtering of Local Field Potentials in Brain Tissue

open access: yes, 2005
Local field potentials (LFPs) are routinely measured experimentally in brain tissue, and exhibit strong low-pass frequency filtering properties, with high frequencies (such as action potentials) being visible only at very short distances ($\approx$10 ...
A. D. Protopapas   +16 more
core   +2 more sources

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