Faculty Advisor

Clancy, Edward A.

Faculty Advisor

Iannacchione, Germano S.

Center

LLP / Lincoln Labs Program

Abstract

RF emitters can be tracked through their electromagnetic energy transmissions by passive direction finding systems. These systems have many applications, including aircraft tracking, radio navigation and emergency aid. MIT Lincoln Laboratory had an interest in developing such a system for an airborne platform. In order to analyze potential designs, we simulated three direction finding methods, time difference of arrival (TDOA), phase difference, and amplitude comparison, in MATLAB and compared the accuracy of their direction calculations. The amplitude comparison method was found to be both relatively accurate and practical to implement. For this reason, the amplitude comparison method was implemented in an FPGA based development module as a proof of concept.

Publisher

Worcester Polytechnic Institute

Date Accepted

October 2011

Major

Electrical and Computer Engineering

Major

Engineering Physics

Project Type

Major Qualifying Project

Accessibility

Unrestricted

Advisor Department

Electrical and Computer Engineering

Advisor Department

Physics

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