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A Novel Technique for Realization of Circular Polarization in Planar Inverted F Antenna | #IJSRD

In this paper various techniques for realization of circular polarization in Planar Inverted F Antenna for Nano satellite applications at 2.4Ghz (s-Band) is presented and several research works done on PIFA are categorized and discussed. PIFA is most commonly used and extensively demanded antenna especially in mobile communication because of its low profile, moderate gain, good radiation pattern, multiband operation.

Fig:  Layout of PIFA in ADS

This  Article represents past study on planar inverted f antenna. After study of various research papers it can be concluded that with the suitable technique circular polarization can be generated in this antenna and thus can be useful in nanosatellite applications

             PIFA can be thought of as a combination of the inverted-F (IFA) and the short-circuit rectangular micro strip antennas. Quarter-wavelength Patch Antenna, which leads into the Planar Inverted-F Antenna (PIFA). It is small and has a low profile, making it suitable for mounting on portable equipment. It is a variant of monopole where the top section has been folded down so as to be parallel with ground plane. This is done to reduce the height of the antenna, while maintaining resonant training length

These are the applications of Planar Inverted F Antenna:

1. Mobile Communication
2. Satellite communication
3. Direct broadcast services

An article  published in IJSRD by Jadav Ankita Bhavanbhai of Electronics and Communication Engineering from L.J.INSTITUTE OF ENGINEERING & TECHNOLOGY

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A Review on Edge Detection for Pharmaceutical Drugs | IJSRD Vol. 4, Issue : 1

A Review on Edge Detection for Pharmaceutical Drugs

Author(s):

Shilpa , Haryana Engineering college jagadhri.; Arun Bhatia, haryana engineering college jagadhri

Keywords:

Pharmaceutical drugs, image processing, Edge detection, Canny, Sobel, Prewitt Center of mass

Abstract

Edge detection is a necessary tool in image processing, machine vision and computer vision and plays a vital role in the field of feature detection and feature extraction. Edge detection has various applications in image processing such as image automation, remote sensing, criminology, security, medicines, military applications etc. Edge detection has a major role in pharmaceutical industries. In Pharmaceutical industries, drugs i.e. Tablets and Capsules are produced in a large scale every day. These tablets and capsules may not be produced precisely i.e. .they are in damaged form when produced. It could also happen that drugs are missing in a blister. So, Proper inspections of these pharmaceutical drugs are required. So edge detection helps in inspection .This paper presents comparative analysis of various edge detection techniques.

Other Details

Paper ID: IJSRDV4I10003 Published in: Volume : 4, Issue : 1 Publication Date: 01/04/2016 Page(s): 4-7

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