Results 1 to 10 of about 9,731,853 (303)

Broadband Spatial Spectrum Estimation Based on Space-Time Minimum Variance Distortionless Response and Frequency Derivative Constraints

open access: yesIEEE Access, 2023
The two-dimensional optimization capability of the space-time minimum variance distortionless response (STMVDR) can improve the spatial spectrum estimation performance of the broadband beamformer with limited samples, but its high sensitivity to ...
Yang Wang   +3 more
doaj   +1 more source

Modulation Recognition of Communication Signals Based on Multimodal Feature Fusion

open access: yesSensors, 2022
Modulation recognition is the indispensable part of signal interception analysis, which has always been the research hotspot in the field of radio communication.
Xinliang Zhang   +4 more
doaj   +1 more source

Challenges Associated with Research Management and Administration in Universities

open access: yesAfrican Journal of Inter-Multidisciplinary Studies, 2023
Higher education institutions (HEI) face several obstacles because of the digital revolution that must be solved for them to play a more and bigger part in innovation ecosystems and economies.
Ayansola Olatunji Ayandibu
doaj   +1 more source

Application of Spectrum State Prediction Method Based on CNN-LSTM Network in Communication Interference

open access: yesIEEE Access, 2023
The continuous development of communication technology and various deep learning models has led to the invention and application of many anti-interference technologies in the field of communication countermeasures. The existing communication interference
Zhoutai Tian   +4 more
doaj   +1 more source

Diagnostic support systems [PDF]

open access: yesClinical Medicine, 2012
Editor–The recent editorial ( Clin Med August 2011 pp 310–11) and article ( Clin Med August 2011 pp 317–21) on misdiagnosis suggest that one of the most effective ways to improve the quality of diagnosis is to formulate a list of differential diagnoses and continually re-evaluate it ...
Guanmei, Luo, Charlotte, Payne
openaire   +2 more sources

An Analysis of Support Mechanisms for New CHPs: The Case of Poland

open access: yesEnergies, 2020
The increasing demand for energy on a global scale, as well as the social pressure related to counteracting the effects of climate change, has created favourable conditions for the transformation of energy sectors towards the possession of low-emission ...
Krzysztof Zamasz   +3 more
doaj   +1 more source

Achievements and problems of psychosocial rehabilitation: Results of sociological research in the volga federal district

open access: yesEuropean Psychiatry, 2021
Introduction The active development of psychosocial rehabilitation (PSR) has been taking place in Russia within latest two decades. In this regard, analysis of the accumulated experience and problems’ identification in the PSR field is relevant ...
V. Mitikhin   +3 more
doaj   +1 more source

Evaluation of the effectiveness of psychosocial treatment of patients with schizophrenia at different stages of its rendering

open access: yesEuropean Psychiatry, 2023
Introduction Currently, there is an active introduction of modern types of psychosocial treatment (PST). At the same time, an important direction is the evaluation of the effectiveness of PST, the identification of factors affecting it, which determines
V. Mitikhin   +3 more
doaj   +1 more source

Overview of methods and available tools used in complex brain disorders [version 1; peer review: 2 approved]

open access: yesOpen Research Europe, 2023
Complex brain disorders, including Alzheimer’s dementia, sleep disorders, and epilepsy, are chronic conditions that have high prevalence individually and in combination, increasing mortality risk, and contributing to the socioeconomic burden of patients,
Konstantinos Alexakis   +6 more
doaj   +1 more source

A Sparse-Array Design Method Using Q Uniform Linear Arrays for Direction-of-Arrival Estimation

open access: yesSensors, 2023
Nowadays, sparse arrays have been a hotspot for research in the direction of arrival (DOA). In order to achieve a big value for degrees of freedom (DOFs) using spatial smoothing methods, researchers try to use multiple uniform linear arrays (ULAs) to ...
Jin Zhang   +3 more
doaj   +1 more source

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