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Antenna array based on open ring radiators

Ye.O. Antonenko, Y.V. Antonenko, D.O. Shtoda, V.O. Katrich et al. • Вісник Харківського національногоуніверситету імені В.Н. Каразіна. Серія: Радіофізика та електроніка (2022)

Relevance. The creation of antenna arrays for communication systems is an urgent task in the unmanned aviation industries, in particular, for video signal transmission systems. Also, the relevance of the work is due to the need to use direc...

DOAJ Open Access (DOAJ) DOI: 10.26565/2311-0872-2022-37-08

The impact of the student-supervisor relationship on graduate student mental health: An integrative review

Huma Khalid, Sandra Della Porta • Social Sciences and Humanities Open (2026)

In recent years, the mental health of graduate students has become a prominent concern in higher education, with many students experiencing elevated levels of stress, anxiety, depression, burnout, and psychological distress. These challenge...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ssaho.2026.103794

CSNTSteg: Color Spacing Normalization Text Steganography Model to Improve Capacity and Invisibility of Hidden Data

Reema Thabit, Nur Izura Udzir, Sharifah Md Yasin, Aziah Asmawi et al. • IEEE Access (2022)

The rapid growth of online communication has increased the demand for secure communication. Most government entities, healthcare providers, the legal sector, financial and banking, and other industries are vulnerable to information security...

DOAJ Open Access (DOAJ) DOI: 10.1109/ACCESS.2022.3182712

Monitoring development from 0–6 years: an online system, standardized for Dutch children

Anneloes Van Baar, Marjolein Verhoeven, David Hessen, Liesbeth de Paauw-Telman et al. • Frontiers in Developmental Psychology (2025)

BackgroundMonitoring and screening children's development from infancy into early childhood is important for prevention purposes, as potential delay may best be addressed as soon as possible. For an efficient monitoring system, standardized...

DOAJ Open Access (DOAJ) DOI: 10.3389/fdpys.2025.1727158

Developing and defining core climate and environmental epidemiology competencies for field epidemiology training programs in the Eastern Mediterranean Region: a Delphi study

Yousef Khader, Muhammad Sartaj, Mohannad Al Nsour, Ruba Kamal Alsouri et al. • Frontiers in Public Health (2026)

BackgroundClimate change, environmental degradation, and chemical hazards increasingly shape population health risks, particularly in the Eastern Mediterranean Region (EMR), where water scarcity, rapid urbanization, conflict, and fragile he...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpubh.2026.1902013

A Century of Communication Studies

Tracy Stephenson Shaffer, John M. Allison, Ronald J. Pelias • Routledge eBooks (2014)

Introduction. A Brief History of the National Communication Association Pat J. Gehrke & William M. Keith *Discovering Communication: Five Turns toward Discipline and Association J. Michael Sproule *Paying Lip Service to in Disciplinary Nami...

OPENALEX DOI: https://doi.org/10.4324/9780203366912

Perception of hate speech in the 2023 presidential political campaigns on voter behaviour in Nigeria

Eric Msughter Aondover, Ifedolapo Ademosu, Ramson Oloche Acheme • Frontiers in Political Science (2026)

The 2023 general elections in Nigeria were characterised by a surge in hate speech, particularly across digital platforms, significantly shaping the political landscape and influencing voter behaviour. The study highlights how ethno-religio...

DOAJ Open Access (DOAJ) DOI: 10.3389/fpos.2026.1750183

Modeling and analysis for dynamical Doppler shifts on terahertz communication signals propagating in inhomogeneous hypersonic plasma sheath

Xiangmeng Lin, Junyi Zhang, Kai Yuan, Ziyang Zhao et al. • AIP Advances (2025)

Previous studies have shown that terahertz (THz) signals could penetrate hypersonic plasma sheaths. Thus, it is considered to be a potential solution to the “blackout” problem. Nevertheless, although previous studies have systematically rev...

DOAJ Open Access (DOAJ) DOI: 10.1063/5.0281985

Social Justice Mathematics and Public Health Equity: A Systematic Review of Quantitative Literacy in Health Decision-Making

Terungwa James Age • GHMJ (Global Health Management Journal) (2026)

Background: Public health decision-making increasingly requires individuals to interpret numerical information such as risks, probabilities, treatment benefits, and epidemiological trends. However, disparities in quantitative literacy may c...

DOAJ Open Access (DOAJ) DOI: 10.35898/ghmj-931337

Discrete Phase-Locked Loop Systems and Spreadsheets

Sergei Abramovich, Elena Kudryashova, Gennady A Leonov, Stephen J. Sugden • Spreadsheets in Education (2005)

This paper demonstrates the use of a spreadsheet in exploring non-linear difference equations that describe digital control systems used in radio engineering, communication and computer architecture. These systems, being the focus of intens...

DOAJ Open Access (DOAJ)

Effects of women’s economic empowerment interventions on antenatal care outcomes: a systematic review

Zoé Mistrale Hendrickson, Heezy Suh, Shiri Kalai, Niki Trivedi et al. • BMJ Open (2023)

Objectives Early and adequate antenatal care (ANC) has been shown to reduce maternal morbidity and mortality globally. Increasing evidence suggests that women’s economic empowerment (WEE) is a critical factor that may influence uptake of AN...

DOAJ Open Access (DOAJ) DOI: 10.1136/bmjopen-2022-061693

Communication Studies

Jaesub Lee • Wiley eBooks (2018)

After 100 years of disciplinary evolution, communication studies has matured into multidisciplinary scholarly inquiries, a diversified curriculum, and complex academic units. Academics in the United States have played a primary role in deve...

OPENALEX DOI: https://doi.org/10.1002/9781119010722.iesc0037

Analisa Kebijakan Penerapan Sistem Merit dalam Penempatan Lulusan Politeknik Ilmu Pemasyarakatan dan Politeknik Imigrasi

Insan Firdaus • Jurnal Ilmiah Kebijakan Hukum (2021)

Berdasarkan sistem merit penempatan lulusan Politeknik Ilmu Pemasyarakatan (Poltekip) dan Politeknik Imigrasi (Poltekim) harus pada jabatan dan pekerjaan yang tepat sesuai dengan kompetensi dan kebutuhan organisasi. Penempatan yang tepat da...

DOAJ Open Access (DOAJ) DOI: 10.30641/kebijakan.2021.V15.271-286

Evaluating Urban–Rural Disparity of Public Facilities Provision in Chengdu–Chongqing: An Equity Index Approach with Multi-Source Data

Xuan Liu, Youxin Qian, Guohui Zhou, Guangyu Xu et al. • Systems (2026)

Urban–rural public facility disparity is a systemic challenge that reflects dysfunctional feedback loops within and across social and technical subsystems. Traditional administrative-unit-based analyses cannot capture such systemic alignmen...

DOAJ Open Access (DOAJ) DOI: 10.3390/systems14080903

Penguatan Kedudukan Pemasyarakatan dalam Sistem Peradilan Pidana Terpadu melalui Fungsi Pelayanan Tahanan

Riki Afrizal, Iwan Kurniawan, Fajar Wahyudi • Jurnal Ilmiah Kebijakan Hukum (2023)

Perubahan sistem pemasyarakatan ditandai dengan disahkannya Undang-Undang Nomor 22 Tahun 2022 Tentang Pemasyarakatan. Salah satu hal yang diatur adalah mengenai pelayanan tahanan sebagai salah satu fungsi pemasyarakatan. Pengaturan ini tent...

DOAJ Open Access (DOAJ) DOI: 10.30641/kebijakan.2023.V17.1-12

Knowledge management in public administration

Karl M. Wiig • Journal of Knowledge Management (2002)

Knowledge management (KM) plays important roles in public administration (PA). Each role serves specific constituencies and purposes and is implemented differently. Jointly, they build society’s intellectual capital (IC) to improve the effe...

OPENALEX DOI: https://doi.org/10.1108/13673270210434331