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Machine Learning Enhanced Free-Space...

Neary, Patrick L.

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Machine Learning Enhanced Free-Space and Underwater OAM Optical Communications.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Machine Learning Enhanced Free-Space and Underwater OAM Optical Communications./
作者:	Neary, Patrick L.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	170 p.
附註:	Source: Dissertations Abstracts International, Volume: 82-05, Section: B.
Contained By:	Dissertations Abstracts International82-05B.
標題:	Computer science. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28149369
ISBN:	9798678110800

Machine Learning Enhanced Free-Space and Underwater OAM Optical Communications.
Neary, Patrick L.

Machine Learning Enhanced Free-Space and Underwater OAM Optical Communications. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 170 p.

Source: Dissertations Abstracts International, Volume: 82-05, Section: B.

Thesis (Ph.D.)--Utah State University, 2020.

This item must not be sold to any third party vendors.

Communications, bandwidth, security, and hardware simplicity are principles of interest to society at large. Recent advances in optics and in understanding properties of light, such as orbital angular momentum (OAM), have provided new potential mediums for communication.Machine learning has wound its way into a broad range of fascinating areas. An emerging field of research is the use of a unique property of lasers called orbital angular momentum (OAM). With the proper hardware, a laser can go from a Gaussian shaped distribution to a doughnut shaped pattern, where the radius can be changed. Multiple OAM patterns, or modes, can be combined to create unique patterns. This research explores the use of machine learning to de-multiplex OAM patterns. The OAM patterns can be used to encode bits for communication.This work explores ways to improve pattern recognition or classification in both underwater and free-space environments. Specifically, various approaches are applied to train convolutional neural networks to make them more robust to signal degradation through turbulence and attenuation. A new image transform is used to improve OAM pattern classification. Finally, some of the state of the art deep convolutional neural networks are explored to see which provide the most robust performance in free-space and underwater communications. A variety of methods are shown to improve the state of the art in pattern classification in OAM communications.

ISBN: 9798678110800Subjects--Topical Terms:

523869
Computer science.
Subjects--Index Terms:

Convolutional neural networks

Machine Learning Enhanced Free-Space and Underwater OAM Optical Communications.
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