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This paper focus on automation of street lights that saves electrical energy, that 21st century is striving hard to achieve. Conventionally, an operator is assigned to switch on the lights in the evening and switch off them in the morning from street to street covering the whole city/ town. This results in delay after sunset and wastage of energy in the morning as the operator needs time to cross...
A very high efficiency Ultra wide band(UWB) hemispherical dielectric resonator antenna is simulated. The antenna is excited by commonly used feeding technique known as microstrip feeding. The dielectric resonator (DR) is inserted in the vertical edge of the substrate, which covers almost entire UWB bands(3.1 GHz to 10.6 GHz). A high impedance bandwidth of 3.74 GHz to 10.49 GHz is achieved in simulation...
A novel method of analysis for the evaluation of effective permittivity and effective permeability of a ferromagnetic microwire grid consist of an infinite number of microwires is presented in this paper. The analysis is carried out through the evaluation of unknown scattering field coefficients of the reference microwire for a uniform plane wave incident normal to the surface of microwire. Evaluation...
In this paper, a novel technique Is proposed for detecting cardiac arrhythmias using signals obtained from a multi-lead electrocardiogram (ECG). The method employs the use of two non-linear features namely detrended fluctuation analysis and sample entropy. The features are calculated on signals obtained after performing discrete wavelet transform on the incoming raw ECG data and selecting the diagnostically...
The structure of a conventional laterally diffused MOSFET (LDMOSFET) build on InGaAs is modified by placing trenches in the epitaxial layer. The gate of the proposed device (LDMOSFET) is placed in a oxide (Al2O3) trench between the source of the structure for creating twice channels in the p-base. Parallel conduction of twice channels leads to increase in drain current, higher transconductance, lower...
To improve the efficiency of optical channel, the idea of Wavelength Division Multiplexing (WDM) was evolved in which multiple optical signals on different wavelength were sent through the fiber simultaneously. Later on, the Coherent Optical Orthogonal Frequency Division Multiplexing (CO-OFDM) has been introduced into WDM. This increases bandwidth, improves data rates, and provides high spectral efficiency...
Sigma-Delta Analog-to-Digital converter (ADC), is widely used in portable electronic products. An operational transconductance amplifier (OTA) is one of the most important components of this ADC. This paper reports a new design of low power fully differential OTA. In this design authors have used adaptive biasing technique and DC gain enhancement technique for improving design parameters as compared...
MIMO technology increases channel capacity and data rates using multiple antennas and multiple receiver chains. In wideband scenario, each receiver has multiple copies of estimated channel matrices, and selection of a well conditioned channel matrix is required for faithful detection. There are ample of methods reported for channel estimation. This paper presents an algorithm which selects a desired...
In this paper a generalized distance based local binary pattern (GDLBP) is proposed which achieves better recognition accuracy over LBP and significantly increases the recognition accuracy when combined with LVP. The proposed GDLBP is combined with local vector pattern (LVP) to achieve better recognition rates. Proposed GDLBP explores the spatial relationships of the neighboring pixels at different...
Data Structure is considered as one of the fundamental research area in computer science. Sorting is a foremost issue in data structure which arranges the data in ascending or descending order. Though several sorting algorithms are available, it is necessary to select the best sorting algorithm depends on the situation. These sorting technique are frequently used in a large variety of important applications...
A naval single band antenna presented is a combination of four element patches, printed on a substrate, for 3.4 GHz frequency operation. The array of antenna uses the ground at the bottom of substrate, a patch at top of substrate fed with proximity coupling. This array has a very simple structure; with size of 50∗50mmexcited by discrete port through proxy feeding, which is also having efficient radiator...
Defect Prediction prior to the release of software uses metrics and fault data to know which properties of software are associated with faults in classes. In this paper, predication of software defects have been performed with the help of static code metrics. The proposed approach analyzed by multiple regression technique. Initially all the collected metrics are grouped in similar category using the...
In this paper, novel designs of LC resonator loaded multi-band planar inverted-F antennas (PIFAs) are presented. The LC resonators possess inherent electric and/or magnetic resonances, which is responsible for the multi-band characteristics induced in the PIFA. The use of single-band and dual-band LC resonator with the reference PIFA results in dual-band and tri-band characteristics respectively....
The use of mobile phones has increased fiercely since the early 1980's. Shooting its popularity to unprecedented heights. The concern about health has also increased along with increasing use of mobile phones. Several possible Unfavorable health effects due to use of mobile phones has been reviewed by several expert groups and recommended for further research to find solutions to curb any health hazards...
This paper suggested binary particle swarm optimization (BPSO) technique to place phasor measurement units (PMUs) optimally at suitable sites in a connected power network so that the connected power network can be fully perceptible. The goal of the suggested approach is to minimize number of PMUs as it is unwise to site PMUs at each bus to measure the state of connected power network as the PMUs and...
Medical imaging and compression are very crucial areas in terms of complexity in Image acquisition and processing. Lossless or near lossless compression is desirable for telemedicine or for storing a large amount of data; as a better acquisition (varying from 1 Tesla to 7 Tesla) larger the data volume. In this work HEVC/H.265 encoding is used to compress Computer Tomography (CT) Images. Quality evaluation...
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