Physical Sciences and Engineering | International Journal of Recent Advances in Multidisciplinary Research (IJRAMR)

Physical Sciences and Engineering

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Model-based design and implementation of sdr transceiver using qc-ldpc coding-decoding over awgn channel on fpga using matlab/simulink

For the sixth-generation (6G) mobile communication, the channel coding scheme is very important. To implement high-speed low-density parity-check (LDPC) coders and decoders, Field-programmable gate arrays (FPGAs) are widely used. The well-known practice is to develop a register-transfer level (RTL) model of a digital circuit, which requires extensive simulation and system verification, resulting in a long development cycle. Quasi-Cyclic Low-Density Parity-Check (QC-LDPC) codes are used to correct transmission errors in digital communication systems.

Bridging the fidelity gap: a multi-phase usability engineering approach for validating automated monitoring systems in the ICU

Purpose: Automated urine output monitoring enhances accuracy and traceability in critical care, yet its implementation is often hindered by ergonomic and environmental barriers. This study evaluated the safety and usability of an automated monitoring system through a Human Factors and User-Centered Design (UCD) approach to identify factors influencing clinical integration. Methods: A prospective, multi-phase study was conducted following IEC 62366-1/2 standards. First, a PRISMA-ScR scoping review was performed to establish design requirements.

Spiritual intelligence and financial well-being: the mediating role of mindfulness among university teachers

The present study examines the relationship between spiritual intelligence and financial well-being among university teachers, with a particular focus on the mediating role of mindfulness. In the context of increasing financial complexity, understanding the psychological determinants of financial well-being has become essential. A purposive sample of 250 university teaching faculty members from Rajasthan was selected based on specific inclusion criteria, including age, income, and work experience.

Divergent modes of perception: a comparative analysis of human ocular and dragonfly compound eye vision with applications in autonomous driving safety

This paper presents a comparative analysis of the perceptual mechanisms between the human camera-type eye and the dragonfly compound eye, focusing on differences in optical structure, neural processing, and spatiotemporal interpretation. Humans possess a single-lens, high-acuity system optimized for static detail; dragonflies employ a multi-faceted compound eye (up to ~28,000 ommatidia per eye in large species) with low spatial but exceptionally high temporal resolution (critical flicker fusion ~200-300 Hz versus ~60 Hz in humans under bright light).

L’éducation à la démocratie dans le contexte post- conflits: défis, stratégies et perspectives pour une paix durable en afrique subsaharienne

Dans un contexte post-conflit marqué par l’instabilité politique, les fractures sociales et la fragilité des institutions, l’Afrique subsaharienne fait face à un défi majeur : reconstruire des sociétés pacifiques et inclusives. L’éducation à la démocratie apparaît comme un levier stratégique pour favoriser la réconciliation, la participation citoyenne et la consolidation de la paix.

Environmental sustainability at manchester united

This paper examines the critical and evolving role of environmental sustainability in the English Premier League (EPL), using Manchester United Football Club (MUFC) as an in-depth case study. Amid growing global pressure for corporate environmental responsibility, the professional sports industry, and elite football in particular, faces increasing scrutiny over its substantial environmental footprint. This research investigates the key barriers and drivers shaping the adoption of sustainable practices at one of the world’s most iconic football clubs.

Patients satisfaction with prosthetics and orthotics rehabilitation services at the ghana national prosthetics and rehabilitation center, accra

In order to improve prosthetics and orthotics service delivery at the National Prosthetics and Orthotics Center (NPOC), the study was carried out to understand patients and health care providers views on services provided to customers. Satisfaction with this aspect of health care delivery at the facility has often not been studied. The aim of this qualitative study was to analyze patients’ satisfaction regarding services provided by the facility. Patients were interviewed face to face on services provided by staff.

Discoveries by prof. momchil dobrev and prof. mariola garibova-dobreva that the pancreas has its own brain - between 8000 - 9000 neuron cells in the pancreas, and that the disease first arose at a certain level of consciousness and then materialized at a

In this article, we describe how Prof. Momchil Dobrev and Prof. Mariola Garibova-Dobreva arrives at the essence of when and how an organism's autoimmune reaction is activated, which is part of the law of the autoimmune reaction, and which causes classic Hodgkins lymphoma. These are things that explain hitherto unexplained processes and phenomena in medicine. This happens after the use of the system created by Prof. Momchil Dobrev and Prof. Mariola Garibova-Dobreva in 2006.

Teacher performance, globalization challenges, and mitigation strategies: a comprehensive analysis of sub‑problems 4, 5, and 6

This study examines the interplay between teacher performance, the extent of globalization‑related challenges encountered, and the mitigation strategies implemented by developmental education teachers in the Catmon District.

Thermodynamics of the variable chaplygin gas model in bulk viscous cosmology

In this paper, we investigate the thermodynamic characteristics of a viscous fluid called viscous variable Chaplygin gas (VVCG) model. The equation of state p=-B/ρ is used, with B=B_0 V^(-n/3) and B_0, a positive universal constant. Our study has also taken consideration of the bulk viscosity coefficient, ξ=ξ_0 ρ^(1/2). In order, to analyze the nature of the universe, the behavior of physical parameters in viscous fluid is discussed. The third law of thermodynamics validity is examined using the specific heat formalism.

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