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277 articles for “digital”
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Comparison of Different Full Adders and its Applications
Abstract: Full Adder is a fundamental block in Arithmetic and Logical unit (ALU) which is a core of any processor. It is extensively used in General Purpose Processors (GPP) along with various Application Specific Processors (ASP) like Digital Signal Processor (DSP) for addition, subtraction, multiplication and counting operations. Reducing the power of most repetitively used block in a circuit reduces the overall power of the circuit. Adopting Low Power techniques ensures …
Published in International Journal of Analog Integrated Circuits · Vol. 9, Issue 1, 2023 · pp. 20–35 Read article
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High speed low power analysis of mixed logic line decoder using 45GPDK Technology.
Abstract: A huge challenge faced by this era of development is power reduction. The low power circuit designs are a requesting issue in high performance digital frameworks, for example, microchips, DSPs, and other different applications. Power and speed are the main highlights considered when comparing any circuit or design. The diminishing chip area is additionally truly impressive factor, creators need to recall when suggesting any novel design. 2×4 Decoder Using 12 …
Published in International Journal of Analog Integrated Circuits · Vol. 9, Issue 2, 2023 · pp. 1–9 Read article
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Logarithmic Companding using Firefly Algorithm for PAPR Reduction in OFDM System
Abstract: Orthogonal Frequency Division Multiplexing (OFDM) is a digital transmission method developed to meet the increasing demand for higher data rates in communications which can be used in both wired and wireless environments. However OFDM is handicapped with a major problem of high peak-to-average power ratio (PAPR), which gives rise to non-linear distortion, inter-symbol interference and out-of-band radiation. Several PAPR reduction techniques have been devised over the last few decades in …
Published in International Journal of Digital Communication and Analog Signals · Vol. 1, Issue 1, 2015 · pp. 1–8 Read article
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A Novel Energy-Efficient Min–Max Optimization (NEMO) With RSA Security in Wireless Sensor Networks
Abstract: A novel energy-efficient min–max optimization (NEMO) is proposed to improve the data delivery performance and provide security in WSN. The NEMO scheme is applied in the virtual grid environment to periodically collect the data from source node to the mobile sink through the cell headers. Here the movement of sink is in controlled fashion and collects the data from the border line cell headers. For efficient data delivery fruit fly …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 1, 2016 · pp. 1–12 Read article
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Particle Swarm Optimization to enhance Low Resolution Images
Abstract: In digital image processing enhancement of low resolution images is always a priority field. Construction of high resolution image from low resolution images by using discrete wavelet transform (DWT) to decompose the input low resolution image into several sub band images. The resolution of surveillance video frames can be improved by interpolation between pixels to generate a moderate enhancement. A hybrid novel method is used to enhance low resolution images …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 17–21 Read article
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A BRIEF INTRODUCTION TO HOLOGRAPHIC MEMORY
Abstract: Since the leap of civilization from stone age to now that being the industrial and pro digital age mankind has made leaps and bounds of progress in various domains of science and technology. Light has been the backbone for various devices enabling data reading and storage for more than two and a half decades. It all started with the introduction of C.D which could store about 700 MB of data …
Published in International Journal of Digital Communication and Analog Signals · Vol. 2, Issue 2, 2016 · pp. 22–25 Read article
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STEGANALYSIS OF LSB INSERTION METHOD IN UNCOMMPRESSED IMAGES USING MATLAB
Abstract: In this paper we have explained steganalytic tool to detect presence of the hidden message in LSB steganography. It is the process of hiding secret information in cover image. Here we have used the LSB insertion method using discrete algorithms. Steganographic programs use Least Significant Bit (LSB) embedding as method of choice for message hiding 24-bit, 8-bit color images and grayscale images. It is commonly understood that changes to LSB …
Published in International Journal of Digital Communication and Analog Signals · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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Low Density Parity Check (LDPC) Coded MIMO-Constant Envelop Modulation System With IF Sampled 1-Bit ADC
Abstract: MIMO-constant envelop modulation (CEM) is a very power and complexity efficient system, which is introduced as alternative candidate to the currently used MIMO-Orthogonal Frequency Division Multiplexing (OFDM). CEM system enables to use high efficient nonlinear power amplifier on the transmitter side and 1 bit (low resolution) analog to digital converter (ADC) on the receiver side. Due to adopting the low resolution at the receiver side a great reduction in hardware …
Published in International Journal of Digital Communication and Analog Signals · Vol. 4, Issue 1, 2018 · pp. 1–6 Read article
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Controller for Higher Order DC-DC Converter
Abstract: ABSTRACT Conventional boost converter is having two energy storage elements (one capacitor and one inductor). So, it is usually called as second order boost converter. It operates under two modes. In the first switch is on and the diode is off due to which inductor current rises linearly. The rate of inductor current will be in the ratio of input voltage to the inductance. Diode blocks the capacitor from being …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 1, 2019 · pp. 19–23 Read article
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Closed Loop Response of Higher Order DC-DC Converter
Abstract: ABSTRACT Converter circuits which are used in power electronic systems for changing the dc voltage from one level to the other. Switching devices are utilized for processing energy from input to output. They have come across many types, some of them are employed for increasing the output voltage and some are utilized for decreasing the output voltage and some of them are applied for performing both the operations within the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 1, 2019 · pp. 24–28 Read article
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Fuzzy Basis based Network Model
Abstract: ABSTRACT Fuzzy basis is applied to develop a new network model. This network model performs compactly, efficiently and securely. The new protocol is proposed in this paper. This protocol lies with the said advantages. The formulation of the network comprises with the group theory and its generalization based on the fuzzy classification. The fuzzy basis follows the subgroup properties over the divisibility theory. The proposed model achieves the said goals …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 1, 2019 · pp. 8–12 Read article
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An Application of Genetic Algorithm in Data Analysis
Abstract: ABSTRACT Genetic Algorithm (GA) is applied to analyze the data. This paper presents the significance of GA in data analysis. The prediction, optimization, generalisation, connectedness, compactness and boundedness are the key advantages of this application. GA based data analysis considers the generation of the homomorphic data. This data is the filtered data but useful for the further analysis contained minimum errors. Keywords: Data analysis, GA Cite this Article: Swati Jain, …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 1, 2019 · pp. 1–7 Read article
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New Data Analysis Method based on L2-Metric over Fuzzy Logic and Genetic Algorithm
Abstract: ABSTRACT L2-Metric is studied over Fuzzy Logic and Genetic Algorithm for analyzing the data. The characterization of L2-metric is generalised over the fuzzy logic and genetic algorithm by isomorphism. This paper presents a new technique of data analysis by Genetic Algorithm (GA), L2 metric and Fuzzy Logic. GA is the process for generating the best variable for the next operation. The data of student’s academic performance is studied as the …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 1, 2019 · pp. 13–18 Read article
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Simulation, Analysis, and Stability Using Matlab of Photovoltaic Solar Power System
Abstract: ABSTRACTA worldwide installation of solar photovoltaic (PV) systems was observed. It is determined mostly through demand to "clean" power generation for future mixed power systems connected through large no. of power electronics converters, grid-based PV systems will be also a very active player. There have been stringent demands on the complete PV network (NW) to accomplish effective and efficient PV power generation. In return, it advances power converter technology development …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 2, 2019 · pp. 20–30 Read article
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Survey & Analysis of Solar Photovoltaic Power System
Abstract: ABSTRACTSolar oriented power, beyond question, is the cleanest vitality on the planet & is being utilized as a sustainable power source since years prior. Private that utilizations solar oriented power their elective power source will carry benefits toward them. the principal objective of this venture is toward overview & build up the nearby planetary group. framework tracks highest power of light. At point once authority of light is retreating, this …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 2, 2019 · pp. 37–43 Read article
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PERFORMANCE EVALUATION COMPARISON OF LMS AND NLMS ALGORITHM FOR AEC IN SPEECH PROCESSING
Abstract: ABSTRACTAn acoustic echo cancellation is a technique used to decrease the acoustic noise in corrupted speech signal. Adaptive filter is using to cancel the acoustic echoes. For better conversation in telecommunication application to achieve the control of acoustic echoes is important and for the proposed acoustic canceller echo algorithm is used to reduce unwanted noise. There is a requirement for more than thousands taps in acoustic echo path so this …
Published in International Journal of Digital Communication and Analog Signals · Vol. 5, Issue 2, 2019 · pp. 9–19 Read article
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Biometric Fingerprinting and Face Recognition Based Security System
Abstract: ABSTRACTThere are several applications of biometric and face recognition based security system like industries, offices and colleges or homes. This project is an amalgamation of “BT” and “ESD”. The most important part of this system is the fingerprint sensor. Fingerprints of the person is detected using biometric sensor to detect fingerprint. The techniques used for detecting fingerprint are ultrasonic, optical method or thermal. In this paper, fingerprint sensor is used. …
Published in International Journal of Digital Communication and Analog Signals · Vol. 6, Issue 1, 2020 Read article
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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
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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
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Portable Air Quality Monitoring System
Abstract: ABSTRACTAir pollution affects our day to day life and the quality of our livelihood. It destroys the ecosystem and the quality of life on the planet. We need to monitor air quality which is very glaring due to the increased industrial activities over the past years. People need to know the limit of their activities which affect the air quality. This project is all about an air pollution monitoring system. …
Published in International Journal of Digital Communication and Analog Signals · Vol. 6, Issue 1, 2020 Read article