Electrical Noise Location System

Drew Compston

Brandon Denney

Josh Gordon

20 September 2007 2

Background of Project

• Identify Angle of Arrival of AM Frequency RF• Display Information about Incident RF in GUI• Build Noise Sources to Test System

NoiseSource

Noise

Receiver

Computer:Displays GUI andCalculates AoA

20 September 2007 3

Motivation

• Q-Track Desires System for its QT-400

• QT-400 is an RTLS using NFER

• Operates in AM Frequencies

(Pictures from Q-Track User’s Guide Pamphlet, used with permission)

20 September 2007 4

Angle of Arrival Algorithm

• Use 2 Loop Antennas to Create Virtual Loop

20 September 2007 5

Angle of Arrival Algorithm

• Resolve Front-Back Ambiguity with Sense Antenna

20 September 2007 6

Graphical User Interface• Written in C#• Display Received RF Information in Waterfall Plot• Calculate Angle of Arrival

20 September 2007 7

Graphical User Interface

20 September 2007 8

Project Responsibilities

• Brandon– GUI Application– Integration with QT-400

• Drew– Angle of Arrival Algorithm

• Josh– Test Noise Source Realized Using Noise

Generator with Amplifier

20 September 2007 9

CostLecture Attendance

Weekly Meetings

Writing Reports

Development Total

3 hours/week 2 hours/week 3 hours/week 6 hours/week 14 hours/week

  x$24/hour $336/week

  x16 weeks $5,376

  x3 engineers $16,128

  Subtotal $16,128

  Parts $100

  Total $16,228