Performance

This paper investigates the system performance of hybrid time-power switching based relaying (TPSR) energy harvesting enabled in the multisource half-duplex relaying network over the Rayleigh fading channel. The outage probability (OP) of the proposed system model with implementing maximal ratio combining (MRC) and selection combination (SC) technique at the receiver is presented and analyzed.

8p viling 11-10-2024 5 1   Download

This paper presents a technique for integrating battery energy storage systems (BESS) into a distribution network with penetration of wind and solar power in order to improve the operation efficiency of distribution networks, exploit renewable energy capability, and reduce operation issues.

12p viling 11-10-2024 5 1   Download

In this paper, we used Convolution neural network (CNN) that exploits the visual properties of the input data to obtain features from network traffic, thereby achieving good intrusion detection performance.

11p viling 11-10-2024 3 1   Download

This study aims to investigate the level of academic self-efficacy, academic satisfaction, and the relationship between academic self-efficacy and academic satisfaction among Hue University students. 771 students participated in the questionnaires about academic self-efficacy and academic satisfaction. Descriptive statistics, correlation analysis, and One-way ANOVA analysis were performed to answer three research questions.

12p viling 11-10-2024 5 1   Download

It is undeniable that during the learning journey in colleges and universities, along with the intense pressure of academic tasks and family commitments, undergraduates can be exposed to exacerbation and diagnoses of mental health problems, which may lead to their failure in learning performance and world view perception.

12p vifilm 11-10-2024 3 1   Download

This paper is structured as follows. The following section presents related work. Section 3 summarizes the characteristics of the two datasets utilized in the model and the system’s overall architecture for image-based disease diagnosis. Section 4 provides our experimental results that compare the performance metrics with other studies.

6p viengfa 28-10-2024 3 2   Download

High quality of service (QoS) requirements in multi-priority wireless sensor networks pose new challenges to the Internet of Things (IoT). In a multi-event wireless sensor network (MWSN), nodes generate different types of data packets with different priority such as urgent (high priority) or normal (low priority), with different traffic proportion.

10p viengfa 28-10-2024 3 2   Download

In this paper, we build a quadcopter for target tracking by integrating a embedded computer Raspberry Pi (RPI) with a Pixhawk flight controller. This article also proposes a lightweight Tracking algorithm that can be deployed on Raspberry Pi, this algorithm harnesses advanced image processing and computing capabilities to significantly enhance target tracking performance, thereby reducing the need for human intervention control in unmanned flights.

9p viengfa 28-10-2024 4 3   Download

Application of the OSTA (Osteoporosis Self-Assessment Tool for Asians) in assessing the risk of osteoporosis in postmenopausal women aged 45 years and older; Evaluation of the relationship between OSTA and bone mineral density measured by dual-energy X-ray absorptiometry (DEXA).

8p viengfa 23-10-2024 1 0   Download

The Balanced Scorecard (BSC) is seen as an effective administrative tool for enterprises to achieve their strategic objectives. This study aims to examine the demand and required conditions to build BSC for HVN, based on its mission, vision, and strategic objectives, thereby suggesting BSC conformed to HVN.

9p viengfa 28-10-2024 1 1   Download

The study was conducted with the hope that the result gained could clarify the effects of peer feedback on students’ writing performance at a high school, Thai Nguyen province. Based on the aims, an action research design was employed.

8p viengfa 28-10-2024 2 0   Download

The study proves results on 32-bit pipelined adder and 32-bit pipelined multiplier in terms of power consumption, utilization area and functionality. The testbench is performed by five different testcases.

10p viengfa 28-10-2024 4 2   Download

This study presents the results of the thermal performance of two different zeolites in heat absorption and heat release investigated under multiple heating-cooling cycles. The specific focus is highlighting the influence of zeolitic structure in comparison to the raw kaolin as their precursor to evaluate the role of porous materials.

11p viengfa 28-10-2024 1 0   Download

This article provides an overview of the mechanism and performance operating cycle of internal combustion engines using water-fuel emulsions and the efficiency, economy, and environmental friendliness of this fuel type for automobiles.

12p viengfa 28-10-2024 2 2   Download

This paper presents the development of an Artificial Intelligence (AI) and Machine Learning (ML) model designed to detect cracks on concrete surfaces. The objective is to enhance the automation, precision, and performance of crack detection using the computer vision algorithm.

13p viengfa 28-10-2024 2 2   Download

Light Gradient Boosting Machine is a new machine learning technique developed by Microsoft corporation which has been proposed in the present study to determine the CBR of stabilized expansive soils. Model performance of the ML model are evaluated by different criteria such as correlation coefficient R, root mean square error RMSE and mean absolute error MAE.

8p viengfa 28-10-2024 4 2   Download

In this study, the efficacy of educational technology tools in enhancing speaking skills was explored through a quasi-experimental design involving 84 IT freshmen. Employing tools such as FORVO (FV), YouGlish (YG), and Oxford Advanced Learners' Dictionary (OALD) 8th edition, the research compared the speaking abilities of students using these technologies (experimental group) against those taught through traditional methods (control group).

8p vipanly 28-10-2024 3 2   Download

This study investigates the impact of teaching methodologies with probabilistic programming language R on student performance across various topics in probability theory and statistics. Integrative teaching strategies has shown impressive efficiency in enhancing student’s critical thinking skills, creativity, and ability to solve complex problems.

8p vipanly 28-10-2024 1 1   Download

Chỉ số Hoạt động môi trường (EPI - Environmental Performance Index) do Đại học Yale (Mỹ) xây dựng từ năm 2006 và công bố định kỳ 2 năm một lần. Chỉ số EPI tập hợp các chỉ số trong các lĩnh vực khác nhau nhằm đánh giá nỗ lực của các quốc gia trong việc thực hiện các mục tiêu môi trường. Theo kết quả báo cáo EPI mới nhất công bố vào tháng 6/2024, điểm số của Việt Nam tiếp tục giảm. Bài viết tập trung cập nhật phương pháp tính của bộ chỉ số và kết quả thực hiện chỉ số EPI của Việt Nam năm 2024.

2p gaupanda062 21-11-2024 2 1   Download

This study takes a closer look at environmental performance (EP) as a mediator in the causal interaction between CSR and competitiveness in the accommodation sector, specifically in luxury hotels (4-5 stars). This study is considered a trend, as CSR-oriented innovation is increasingly seen not only as an answer to environmental needs but also as a driver of sustainable growth.

26p vimitsuki 30-03-2025 4 0   Download