Archive:: American Journal of Electrical and Computer Engineering:: Science Publishing Group

Volume 3, Issue 2, December 2019

Study the Effect of Different Parameters and Improving the Shielding Effectiveness of a Metallic Enclosure with Extra Wall

Sedigheh Vaezikakhki, Seyed Saeid Mosavinejad, Mehdi Bahadorzadeh

Issue: Volume 3, Issue 2, December 2019

Pages: 53-57

Received: 21 April 2019

Accepted: 23 July 2019

Published: 14 August 2019

DOI: 10.11648/j.ajece.20190302.11

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Abstract: This paper propose a new method for improving shielding effectiveness (SE) of a rectangular enclosure with multiple circular apertures. In this method in order to compensate the effects of the apertures on (SE) parameter, we use two metallic walls each containing apertures instead of the one wall. By using two walls for shielding an enclosure, the ... Show More

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Pixel-based Character Image Compression for Data Transfer from ARM Controller to FPGA System

Thanh-Hai Nguyen, Ba-Viet Ngo, Thanh-Tam Nguyen, Duc-Dung Vo, Truong-Duy Nguyen

Issue: Volume 3, Issue 2, December 2019

Pages: 58-66

Received: 4 February 2020

Accepted: 20 February 2020

Published: 2 March 2020

DOI: 10.11648/j.ajece.20190302.12

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Abstract: This paper proposes a pixel-based compression algorithm for character digital image in improving the storage of characters in memory during system operation. In particular, in this algorithm, each character binary image in text is grouped by binary numbers and then encoded to reduce the character image capacity of the character compared to the orig... Show More

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