Search
241 articles for “signal”
-
Experimental Test Results on the Effect of Ultrasonic Waves on Defects in Car Bearings: The Effect of Defect Size
Abstract: To check for defects in car bearings, they are identified and measured by sound waves that are affected by the defect. Based on sound, it is called ultrasound technology because it uses high frequencies. High frequencies are the basis of ultrasound. Two features are useful for low-speed cars, which by definition usually have poor signal tolerance. High frequencies are sensitive to the effects of sound waves. In addition, the ultrasound …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 1, 2021 · pp. 14–21 Read article
-
CNN-Based Traffic Sign Recognition with Voice Alerts
Abstract: Traffic sign recognition is a crucial component of intelligent transportation systems, significantly enhancing road safety by aiding both autonomous and human drivers. This paper presents a convolutional neural network-based traffic sign recognition system integrated with voice alerts. Our approach utilizes a deep learning model trained on a comprehensive dataset of traffic signs to accurately identify various road signs in realtime. Upon recognition, the system issues corresponding voice alerts to inform …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 10, Issue 2, 2024 · pp. 1–9 Read article
-
Review on EMD Watermarking Technique using QIM Modulation
Abstract: ABSTRACTWith the development of internet, piracy has become a big issue for developers. The hard work of developers is copied and distributed freely on the internet. To stop this piracy, watermarking techniques can be used. In audio watermarking, a watermark logo is embedded inside an audio signal and it is made sure that this logo must be inaudible. In this way, audio can be distributed, and a piracy can be …
Published in International Journal of Digital Communication and Analog Signals · Vol. 6, Issue 1, 2020 Read article
-
The Versatility of the IC 741 in Electronic Sensor System Design
Abstract: In the vast and intricate realm of electronics, few components have had as profound an impact onthe development of sensor systems as the humble IC 741. This groundbreaking device wasdesigned to provide a high degree of flexibility and reliability, making it an ideal choice for awide range of applications. The IC 741 is characterized by its high input impedance, low outputimpedance, and high gain, which allow it to amplify weak …
Published in International Journal of Analog Integrated Circuits · Vol. 11, Issue 2, 2025 Read article
-
Facial Emotion Based Stress Detection Using CNN and Haar Cascade Algorithms
Abstract: Understanding human conduct requires the ability to recognize facial emotions, which has applications in everything from human-computer interaction to psychological wellness monitoring. This research provides a new approach to stress detection using Convolutional Neural Networks (or CNNs) and Haar Cascade classifiers. The suggested method uses CNN to recognize facial expressions and Haar Cascade algorithm for face detection. The methodology begins with preliminary processing the input photos, followed by face detection …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 2, 2024 · pp. 41–50 Read article
-
Review Paper on Load Sensing Seat with Light and Fan Control
Abstract: ABSTRACTThe Project ‘Load Sensing Seat with Light and Fan Control using ATmega8 microcontroller'. We use two parts in this project includes Load cell and ATmega8 microcontroller. A load cell is used to control a fan using the ATmega8 microcontroller. Load cell that is embedded into seats to detect if the human is sitting on it. The load cell will give the signal to the hx711 load cell amplifier which gives …
Published in International Journal of Digital Communication and Analog Signals · Vol. 6, Issue 1, 2020 Read article
-
A Review on Touchless Calling Bell
Abstract: On the principle of proximity or motion detection using an ultrasonic sensor or infrared (IR) sensor. In the modern world, automation and cleanliness are essential for guaranteeing ease and safety in our day-to-day activities. The Touchless Calling Bell is a modern and innovative device designed to eliminate the need for physical contact while operating a doorbell. Traditional doorbells require users to press a switch manually, which may lead to the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 12, Issue 2, 2026 Read article
-
AI-Based Noise Reduction Techniques for Digital and Analog Communication Systems
Abstract: Noise is one of the major challenges in modern communication systems because it significantly affects signal quality, transmission efficiency, and overall system reliability. Both digital and analog communication systems are influenced by different types of noise such as thermal noise, impulse noise, quantization noise, atmospheric noise, and channel interference. Conventional noise reduction techniques including filtering, adaptive equalization, and statistical signal processing have been extensively used to improve communication performance. However, …
Published in International Journal of Broadband Cellular Communication · Vol. 11, Issue 1, 2026 · pp. 40–48 Read article
-
Enhancing 6G Communication with Full Duplex andDuplexing Aware Cellular Access
Abstract: With the need for fast and dependable wireless communication increasing, 6G networks are anticipated to transform connectivity through ultra-low latency, enhanced data rates, and better spectral efficiency. A major development in 6G is the incorporation of Full Duplex (FD) communication, enabling devices to send and receive data at the same time, which effectively doubles spectral efficiency. The implementation of a Massive MIMO-based 6G communication system with Full Duplex (FD) and …
Published in International Journal of Broadband Cellular Communication · Vol. 11, Issue 1, 2026 · pp. 34–42 Read article
-
Facial Emotion-Based Stress Detection Using CNN and Haar Cascade Algorithms
Abstract: Understanding human conduct requires the ability to recognize facial emotions, which has applications in everything from human–computer interaction to psychological wellness monitoring. This research provides a new approach to stress detection using convolutional neural networks and Haar Cascade classifiers. The suggested method uses convolutional neural network to recognize facial expressions and Haar Cascade algorithm for face detection. The methodology begins with preliminary processing of the input photos, followed by face …
Published in International Journal of Microwave Engineering and Technology · Vol. 10, Issue 2, 2024 · pp. 1–11 Read article
-
Modelling and Simulation of Adaptive Traffic Control Systems: Electrical Engineering Techniques for Urban Applications
Abstract: Traffic congestion is a ubiquitous challenge in urban areas, necessitating innovative solutions to improve transportation efficiency and alleviate gridlock. Traditional traffic signal control methods often prove inadequate in dynamically adapting to fluctuating traffic conditions, leading to increased travel times, fuel consumption, and emissions. In response, adaptive traffic control systems have emerged as a promising approach to mitigate congestion and enhance traffic flow in urban environments. These systems use real-time data …
Published in International Journal of Transportation Engineering and Traffic System Read article
-
Design of Bioreactors for Tissue Engineering
Abstract: Utilizing ultra-scale down and microfluidic technology, micro and mini bioreactors are well characterised for usage in bioprocess research in from before the manufacture. Through use of bioreactors to study regular and pathophysiology, on the other hand, must be extremely distinct, and the physiological environment has an impact on bioreactor construction. The basic elements required for bioprocesses bioreactor to handle three major areas related to biological systems are examined in this …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 8, Issue 1, 2022 · pp. 1–4 Read article
-
Evaluating and Optimizing Intersection Performance in Indian Context-A Case Study
Abstract: Traffic Jams in a network of intersections and roads is an omnipresent issue that is caused by several parameters. The Panchkula City of India based on sectoral planning has lots of intersections that are a mix of both signalized and unsignalized sets. These intersections at the edge of the major land use have several traffic transition issues causing congestion. Therefore, it is essential to resort to advanced software packages to …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 7, Issue 2, 2021 · pp. 1–14 Read article
-
Digital Pulse Compression Waveform Generation by Using of Digital Matched Filter
Abstract: Digital pulse compression is the technique for detection of the targets through radar. It is done by Matched Filter in signal processing system. The presence of signal with noise is compressed. At some finite interval of time the high peak amplitude of signal with narrow bandwidth gives the idea of the number of targets present away from the radar. Matched filter gives the signal to noise ratio at the receiver …
Published in International Journal of Broadband Cellular Communication · Vol. 3, Issue 1, 2017 · pp. 34–39 Read article
-
Multi-class Fault Diagnosis of Rolling Element Bearing Based on Empirical Mode Decomposition and Entropy Features
Abstract: Rolling element bearings are one of the most commonly used machine elements in engineering industry. Fault detection and diagnosis of rolling element bearings is essential for prevention of malfunction and failure during operation. The present work deals with rolling element bearing fault diagnosis by using Support Vector Machine (SVM) and Artificial Neural Network (ANN). Four types of bearing conditions are considered in the present analysis: inner race fault (IR), outer …
Published in International Journal of Manufacturing and Materials Processing · Vol. 2, Issue 1, 2016 · pp. 01–10 Read article
-
Experimental Investigation of Bearing Inner and Outer Wall Defects by Ultrasonic Waves
Abstract: Sometimes the bearings show their defects by exchanging between the network gears, and this can be useful for experimental and similar experiments. These defects will cause the bearing to malfunction, the bearing to malfunction and need to be repaired and maintained, which can be useful for the industry and save potential costs. These defects can be significant through ultrasound to combine time and frequency variables, which is addressed in this …
Published in International Journal of Manufacturing and Materials Processing · Vol. 7, Issue 1, 2021 · pp. 32–37 Read article
-
Impact of I/Q Imbalance Due to Gain and Phase Mismatcheson IRR, Image Leakage, Constellation Distortion, SNR and BER in OFDM Systems
Abstract: Due to its great spectral efficiency and resilience to multipath fading, orthogonal frequency division multiplexing,or OFDM, has become a popular modulation technique in contemporary wireless communication systems.Reliable OFDM reception depends on accurate channel estimate, and methods like Least Squares (LS) andMinimum Mean Square Error (MMSE) estimation are frequently used to make up for channel impairments.However, despite effective channel estimation, practical receiver performance can still be degraded by radio-frequency front-end imperfections, …
Published in International Journal of Microwave Engineering and Technology · Vol. 12, Issue 2, 2026 Read article
-
RIS-Assisted 6G Wireless Communication: BER, Security Gain and Multi-Metric Performance Analysis
Abstract: Reconfigurable Intelligent Surfaces (RISs) provide programmable control over wireless signal propagation and are emerging as a promising technology for enhancing the reliability, energy efficiency, coverage, and physical-layer security of sixth generation (6G) wireless networks. This paper presents a unified simulation-based performance evaluation of conventional SISO, 4G SIMO, and 6G multi-antenna communication systems, followed by an RIS-assisted reliability and security analysis under Rayleigh fading conditions. The simulation results demonstrate that antenna …
Published in International Journal of Broadband Cellular Communication · Vol. 11, Issue 2, 2026 Read article
-
A Review on LIFI- Data Transmitting System
Abstract: Using visible light as a channel for high-speed data transfer, Li-Fi (Light Fidelity) is a quickly developing wireless communication technology that offers a highly effective and cutting-edge substitute for traditional radio frequency (RF)-based systems like Wi-Fi and Bluetooth. With the exponential growth of connected devices and the increasing demand for faster and more reliable communication, the RF spectrum is becoming congested, leading to reduced performance and interference issues. In order …
Published in International Journal of Digital Communication and Analog Signals · Vol. 12, Issue 2, 2026 Read article
-
An Energy-Efficient CMOS Analog Front-End for Wearable Biomedical Monitoring Applications
Abstract: Because wearable biomedical monitoring technologies allow for continuous, real-time, and remote measurement of physiological parameters, they are quickly becoming a key component of contemporary healthcare. These systems place stringent demands on the analog front-end (AFE), which must accurately acquire and condition extremely low-amplitude biopotential signals such as electrocardiogram (ECG), electroencephalogram (EEG), and electromyogram (EMG) while operating under severe power and size constraints. This paper presents the design and simulation of …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 12, Issue 1, 2026 · pp. 1–10 Read article