Showing posts with label online Journal. Show all posts
Showing posts with label online Journal. Show all posts

Tuesday 9 September 2014

#ijsrd What is an electronic journal ?

What is an electronic journal?

An electronic journal is a periodical publication which is published in electronic format, usually on the Internet.
Electronic journals have several advantages over traditional printed journals:
  1. You can search the contents pages and/or the full text of journals to find articles on a certain subject.
  2. You can read journal articles on your desktop, you don't have to be in the Library.
  3. You can e-mail articles to yourself or download them for printing.
  4. The article that you want to read will always be available, even when the Library is closed.
  5. Hypertext links allow you to move to different sections within individual journals or articles and can link you to related resources on the Internet.
  6. Journals can include more images and audio-visual material.
  7. Journals can be interactive - you can e-mail the author or editor with your comments.
Many electronic journals which are available are electronic versions of journals which exist in print. For example, if you wanted to see the journal called "Man" this journal is available physically on Level F in the Library, but is also available to SOAS users in electronic format.
Some journals are only available in electronic format and although some of these journals are of a high "academic" quality, please be aware that not all of them have gone through the same process of academic peer review as traditional print journals.

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Friday 5 September 2014

#IJSRD When Big Data Is Watching You

When Big Data Is Watching You

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Originally posted on TechCrunch:

Is the answer to our feeble human minds needing to grapple with increasing quantities of big data to stand in a purpose built room immersed in complex data visualisations while wearing an array of sensors that track our physiological reactions? A group of European Commission-backed scientists believe so.
They’re attempting to quantify — and, they claim, enhance — cognition by building a sensor-based data visualisation system that dynamically changes the complexity level of the data on display in response to human triggers, such as gestures, eye movements and heart rate.
The basic concept underpinning this research, which has attracted €6.5 million in European Union funding under the Future and Emerging Technologies Scheme, is that a data display system can be more effective if it is sensitive to the human interacting with it, enabling it to modify what’s on display based on tracking and reacting to human stress signifiers.
The project is called CEEDS — aka Collective Experience of Empathetic Data Systems — and involves a...

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Friday 15 August 2014

#IJSRD Optimization of Machining Parameters in CNC Turning Using Firefly Algorithm

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Optimization of Machining Parameters in CNC Turning Using Firefly Algorithm

Abstract— now a day’s machining is done through various automated machines. One of the widely used machines is CNC. Even though the automated machines are used, the quality of the work is determined by parameters used. The cutting parameters of the CNC machine determine the productivity, surface finish, machining time and other qualities of the product. This study involves the optimization of those cutting parameters. In order to get optimized CNC parameters for a specific tool-work combination, Firefly Algorithm (FA) is used to compute the best parameters based on the experiments conducted on a CNC Turning center. The three cutting parameters are cutting speed (V), feed (f), and depth of cut (d). The practical constraints have been considered during both practical and experimental approaches.  The result reveals that FA is very well suited in solving parameters selection problems. 
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Thursday 7 August 2014

#Ijsrd Performance of Multiple symbol representation with clipping scheme for PAPR reduction in OFDM systems

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Performance of Multiple symbol representation with clipping scheme for PAPR reduction in OFDM systems

Abstract :

OFDM is one of the multicarrier modulation technique used in various communication systems. The major problem one faces while implementing this system is the high peak to average power .For an efficient OFDM system this PAPR should be low. In this paper a hybrid PAPR (peak to average power ratio) reduction technique for the OFDM (orthogonal frequency division multiplexing) signal which combines a multiple symbol representations method with a signal clipping method is proposed. In multiple symbol representations alternative signaling points are used to represent one symbol and PAPR is further reduced with the clipping scheme. The performance of the hybrid scheme is compared with the partial transmit sequence which is one of the other PAPR reduction scheme. In partial transmit sequence the input data is divided in to disjoint blocks transformed in to time domain sequence and rotated by phase factors. Theoretical analysis and simulation results validate that the proposed scheme has the ability to provide large PAPR reduction, low bit error rate. Performance analysis is also done with the partial transmit sequence scheme.



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