Results 21 to 30 of about 133,908 (301)

Optimal reception of multiple phase shift keying and quadrature amplitude modulation signals with non-coherent processing of harmonic interference

open access: yesРоссийский технологический журнал, 2023
Objectives. Analysis of the reception noise immunity of multiple phase shift keying (M-PSK) and quadrature amplitude modulation (M-QAM) signals has demonstrated a significant reduction in the quality of reception of discrete information due to the ...
G. V. Kulikov   +3 more
doaj   +1 more source

Interference coupling mechanisms in Silicon Strip Detectors - CMS tracker "wings": A learned lesson for SLHC [PDF]

open access: yes, 2009
The identification of coupling mechanisms between noise sources and sensitive areas of the front-end electronics (FEE) in the previous CMS tracker sub-system is critical to optimize the design and integration of integrated circuits, sensors and power ...
Arteche, F, Esteban, C, Rivetta, C
core   +1 more source

Effect of synchronization system errors on the reception noise immunity of amplitude-phase shift keyed signals

open access: yesРоссийский технологический журнал, 2023
Objectives. An urgent task in the context of modern radio and television systems is to improve the quality and quantity of transmitted information. For example, the use of multiple amplitude-phase shift keyed (APSK) signals—16-APSK and 32-APSK—in digital
G. V. Kulikov   +2 more
doaj   +1 more source

Noise measurement in high-speed domino pseudo-CMOS keeper

open access: yesMeasurement + Control, 2019
Noise immunity is the foremost issue in high-speed domino circuits. In general, better noise immunity is achieved at the cost of speed and power degradation.
R Jaikumar, P Poongodi
doaj   +1 more source

The influence of detector's parameters on the efficiency of radio signals with complex phase modulation receiving

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2018
The paper presents the results of simulation of a detector, implemented on the basis of a phase locked loop device (PLL), the mathematical modeling of signals with 8-QAM modulation, and investigates the influence of PLL parameters on the receiving ...
I. P. Maksymiv   +3 more
doaj   +1 more source

A Vavilovian approach to discovering crop-associated microbes with potential to enhance plant immunity [PDF]

open access: yes, 2014
Through active associations with a diverse community of largely non-pathogenic microbes, a plant may be thought of as possessing an “extended genotype,” an interactive cross-organismal genome with potential, exploitable implications for plant immunity ...
Broders, Kirk   +2 more
core   +3 more sources

A Comparison of Regression Techniques for Estimation of Above-Ground Winter Wheat Biomass Using Near-Surface Spectroscopy

open access: yesRemote Sensing, 2018
Above-ground biomass (AGB) provides a vital link between solar energy consumption and yield, so its correct estimation is crucial to accurately monitor crop growth and predict yield.
Jibo Yue   +3 more
doaj   +1 more source

Optimal nonlinear filtering of M-PSK signals against a background of harmonic interference with a random initial phase

open access: yesРоссийский технологический журнал, 2021
Objectives. The widespread use of radio data transmission systems using signals with multiposition phase shift keying (MPSK) is due to their high noise immunity and the simplicity of constructing the transmitting and receiving parts of the equipment. The
G. V. Kulikov   +2 more
doaj   +1 more source

THE METHOD OF INCREASING THE IMMUNITY OF COMMUNICATION SYSTEMS

open access: yesСучасні інформаційні системи, 2019
Nowadays, due to a severe shortage of radio resources of communication systems, which is caused by an increase in the number of subscribers of cellular communication systems, an increase in demand for information resources, which in turn leads to the ...
Qasim Abbood Mahdi
doaj   +1 more source

Analysis and prediction of the stability of train control systems to ultra-wideband electromagnetic pulses of intentional action

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2020
Problem of ensuring stability of railway automation systems to ultra-wideband pulses of an electromagnetic field is considered. These pulses can be used to intentionally affect the equipment of these systems.
D. V. Komnatnyy
doaj   +1 more source

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