large amount of digital data is being generated across a wide variety fields and Data Mining (DM) techniques are used transform it into useful information so as to identify hidden patterns. One the key areas application Education (EDM) development student performance prediction models that would predict student's in educational institutions. We build model which can notify students (in introductory programming course) about their probable outcomes at an early stage semester (when evaluated...

The proposed work describes a corner square-cut square-patch multiple-input multiple-output (MIMO) antenna with reduced mutual coupling for circular polarization (CP). A two-port MIMO-CP was designed and operated at 5.6 GHz wireless local area network (WLAN) applications. dimensions of the were 22.5×50mm2(0.43λ0×0.933λ0) FR4 substrate height 1.6 mm. Between two-elements, edge-to-edge distance 12.2 mm (0.227 λ0), where λ0 free space wavelength GHz. slot created in middle ground MIMO to reduce...

This letter demonstrates a wideband four-element multiple-input–multiple-output (MIMO) antenna employing loaded metamaterial superstrate. The proposed MIMO configuration has four slotted rectangular microstrip antennas arranged on compact square substrate to attain excellent impedance matching over wide bandwidth of 41% (3.33–5.04 GHz). suggested whole area 50 × 1.6 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> (0.65 <italic...

Accurately identifying at-risk students in higher education is crucial for timely interventions. This study presents an AI-based solution predicting student performance using machine learning classifiers. A dataset of 208 records from the past two years was preprocessed, and key predictors such as midterm grades, previous semester GPA, cumulative GPA were selected information gain evaluation. Multiple classifiers, including Support Vector Machine (SVM), Decision Tree, Naive Bayes, Artificial...

This paper presents a compact planar multiple input output (MIMO) antenna for super wide band (SWB) applications. The presented MIMO comprises two identical patches on the same substrate. Dimensions of are 0.17λ × 0.20λ 0.006λ mm3, with respect to lowest resonance 1.30 GHz. SWB was manufactured using F4B substrate having dielectric constant 2.65 that provides percent impedance bandwidth and ratio 187% 30.76:1, respectively. mutual coupling between elements is suppressed by placing T-shaped...

This letter presents a four-port multiple-input–multiple-output (MIMO) antenna based on frequency selective surface (FSS) for X-band communication. The suggested MIMO is composed of four-slotted circular microstrip patch elements, which have been planned an FR-4 substrate with low profile (0.91λ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">0</sub> × 0.91λ 0.045λ ). reduces mutual coupling (MC) and enhances gain the FSS technique. band-stop...

This work presents a wideband, all-side square-cut square patch multiple-input, multiple-output circularly-polarized (MIMO-CP) high-isolation antenna. The MIMO-CP antenna contains two-port cut on all corners of the patch, and parasitic elements 9 × 5 periodic metallic plates are designed operated. outer dimensions 40 70 mm2, FR4 substrate height is 1.6 mm. proposed with improves impedance matching enhances S-parameters axial ratio (AR). In suggested antenna, element placed around...

One of the important key applications learning analytics is offering an opportunity to institutions track student’s academic activities and provide them with real-time adaptive consultations if student performance diverts towards inadequate outcome. Still, numerous barriers exist while developing implementing such kind applications. Machine algorithms emerge as useful tools endorse by building models capable forecasting final outcome students based on their available attributes. The machine...

Abstract In this study, a technique for designing compact and low radar cross section (RCS) circularly polarized (CP) antenna is proposed. The designed CP resonates at 8.7 GHz. circular polarization achieved by trimming opposite corners of the square patch etching out thin slots. A new method used to keep radiation performance well preserved reduce RCS employing conversion metasurfaces. PCM comprises double‐head arrow elements arranged around in four quadrants. Wideband monostatic reduction...

Abstract We survey the sensor network holes from a cause-effect-solution perspective. first propose new taxonomy (PLMS) which classifies into type groups according to cause of anomaly. discuss effects on network. Finally, we different curative approaches (prevention, detection, repairing, avoidance).

This paper present the design of annular ring microstrip antenna (ARMAs) based on artificial neural network (ANN). Different size ARMAs have been designed with varied dimensions. The electrical parameters and various dimensions that are obtained for different resonant frequencies covering application GSM, LTE, WLAN WiMAX band. employed ANN, computing frequency ARMAs. Based backpropagation (BP) technique, Multi-layer perceptron (MLP) model has used to trained test By employing BP-(MLP), ANN...

This study focuses on the utilization of a slotted patch MIMO antenna to enhance isolation and gain.The configuration includes two radiators integrated with an array Frequency Selective Surfaces (FSSs).These components are implemented FR-4 substrate encompassed by FSS units that optimized for X-band frequencies.The proposed possesses dimensions 65 mm (width) × 45 (length) 1.6 (height).The primary objective incorporating FSSs is not only but also achieve high design features circular ring...

With increase in technology fatigue detection systems with more accuracy are overcoming their previous versions. The main focus of these is on robustness, and cost. Based factors this study presents a driver system design. This design uses facial features (eyes mouth) to determine driver’s vigilance. A hybrid two commonly known techniques Viola Jones skin color used as technique. Lastly some experimental results given showing the robustness proposed system.

The new students struggle to understand the introductory programming courses, due its intricate nature, which results in higher dropout and increased failure rates. Despite implementing productive methodologies, instructor struggles identify with distinctive levels of skills. modern institutes are looking for technology-equipped practices classify prepare personalized consultation procedures each class. This paper applies decision tree-based machine learning classifiers develop a prediction...

One of the exigent problems in wireless sensor networks is recognition network boundary and detection holes within network. In this paper, we propose an algorithm which every node self-detects whether it a or inner by utilizing available connectivity information making no assumptions about location awareness. The efficient than existing schemes terms accuracy energy consumption. It does not need high degree as compare to other schemes. simulation results prove efficiency our algorithm.

Human age estimation at death plays a vital role in forensic anthropology and bioarchaeology. Researchers used morphological histological methods to estimate human from their skeletal remains. This paper discussed different that long bones ribs determine estimations. The applicability of those methods, commonly quantified variables, sample size, sampling method accuracy are as well. review showed the nature research for estimating has been shifted gross analysis analysis, its further going...