99 research outputs found

    Spiral Fishbone Network Performance Dataset

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    Any Author wants to use these dataset for research purpose must take permission from Sayed Asaduzzaman .THIS DATASET IS ARCHIVED AT DANS/EASY, BUT NOT ACCESSIBLE HERE. TO VIEW A LIST OF FILES AND ACCESS THE FILES IN THIS DATASET CLICK ON THE DOI-LINK ABOV

    Spiral Fishbone Network Performance Dataset

    No full text
    Any Author wants to use these dataset for research purpose must take permission from Sayed Asaduzzaman .THIS DATASET IS ARCHIVED AT DANS/EASY, BUT NOT ACCESSIBLE HERE. TO VIEW A LIST OF FILES AND ACCESS THE FILES IN THIS DATASET CLICK ON THE DOI-LINK ABOV

    Spiral Fishbone Routing Network with Performance (Dataset)

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    Network Performance Dataset for Spiral Fishbone Networ

    Proposal of a gas sensor with high sensitivity, birefringence and nonlinearity for air pollution monitoring

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    AbstractFlammable or poisonous gasses in the air are capable of destroying a geographical area of causing a fire, fulmination, and venomous exposure. This paper presents a micro-cored photonic crystal fiber based gas sensor for detecting colorless or toxic gasses and monitoring air pollution by measuring gas condensate components in production facilities. The numerical investigation of the proposed PCF takes place using the finite element method (FEM). The geometrical parameters of proposed PCF are varied to optimize and observe the dependence of guiding properties on them. According to simulated results, the high relative sensitivity of 53.07% is obtained at 1.33μm wavelength for optimum parameters. In addition, high birefringence of the order 6.9×10−3; lower confinement loss of 3.21×10−6dB/m is also gained at the same wavelength. Moreover, nonlinear coefficient, effective area, splice loss, V parameters and beat length are reported briefly

    Performance and power comparisons of MPI Vs Pthread implementations on multicore systems

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    Click on the DOI link to access the article (may not be free).The advancement of multicore systems demands applications with more threads. In order to facilitate this demand, parallel programming models such as message passing interface (MPI) are developed. By using such models, the execution time and the power consumption can be reduced significantly. However, the performance of MPI programming depends on the total number of threads and the number of processing cores in the system. In this work, we experimentally study the impact of Open MPI and POSIX Thread (Pthread) implementations on performance and power consumption of multicore systems. Data dependent (like heat conduction on 2D surface) and data independent (like matrix multiplication) applications are used with high performance hardware in the experiments. Simulation results suggest that both implementations of more threads running in a system with more cores have potential to reduce the execution time with negligible or little increase in total power consumption. It is observed that the performance of MPI implementation varies (due to the dynamic communication overhead among the processing cores)

    Multimode Point Spectroscopy for Food Authentication

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    Enhancing food quality measurement is a necessity to guarantee food safety and adherence to health regulations. Current methods involve lab testing which are time-consuming, costly, destructive and require skilled workers. Spectroscopy has the potential to overcome these challenges. This study employs a multi-mode point spectroscopy method to distinguish food products according to their spectral characteristics,. The system records fluorescence, excited at 365 and 405 nm, visible-near infrared (Vis-NIR) and short-wave infrared (SWIR) spectra. The three main subjects of the study are olive oil, milk, and honey. Samples were kept in a transparent cell culture pot, and Gray and White Spectralon were used to calibrate the spectroscopy equipment. The results showed that various dietary samples exhibit unique spectral patterns across a range of wavelengths. Fluorescence spectra at excitation wavelengths of 365 nm and 405 nm, respectively, helped to distinguish between olive oil and milk types. In the 440–1900 nm wavelength range, the spectra of several food samples revealed distinct spectral lines for every kind of sample. Principal Component Analysis (PCA), which reveals clusters and relationships among related products, validated the difference among the food samples. The results imply that multi-mode point spectroscopy is a quick and effective way to differentiate between various food samples

    Secular Inflation by Friedrich-Karl Lage. D. Reidel Publishing Company, Dordrecht, Holland, 1961.

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    The main theme of the book under review is an inquiry into the nature and canses of secular inflation. In defining the term 'secular', the author has followed Simon Kuznets who defined it as an irreversible, continuous movement over a period 'greater than the average duration' of an economic cycle. 'Secular inflation', hence, may include every type of inflation as long as it extends over a secular period and in effect results into an irreversible money depreciation. As a measure and symptom of secular inflation, Lage, like many others, suggests price levels and cost-of-living indices. But due to the lack of accurate figures, a search for a direct proof of the existence and the scope of secular inflation is not always successful
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