Digital Radio Frequency Memory (DRFM) Principles

  • Overview
  • Course Content
  • Requirements & Materials
Overview

Digital Radio Frequency Memory (DRFM) Principles

Course Description

This course provides an in depth introduction to Digital Radio Frequency Memory (DRFM) device architecture, component technology, techniques, and DRFM programing using the GTRI (Georgia Tech Research Institute) developed open source Technique Description Language (TDL). All instructors are GTRI Angry Kitten DRFM experts and provide training in Electronic Warfare (EW) radar applications, Electronic Attack (EA), Electronic Support Measures (ESM), and synthetic radar target generation. The course also introduces Electronic Protection (EP) methods to defend against DRFM jamming attacks. Learners will explore fundamental radar concepts in order to understand why DRFMs make robust and powerful radar jamming devices. Additional topics covered include DRFM architecture trade space, EA techniques, and EP options applicable to radar EW.

Course Content

INTRODUCTION

  • Motivation to study DRFM technology
  • Types of EA: Noise, Transponder, Coherent Repeater
  • Examples of current DRFM Hardware
  • Radar System Review

FUNDAMENTALS

  • DRFM Theory of Operation
  • Masking and Deception Techniques
  • DRFM Testing
  • DRFM Modes of Operation

RF TECHNOLOGY

  • RF Receiver
  • Frequency Converters
  • Oscillators and Frequency Synthesizers
  • Hardware Architecture Trades

DIGITAL TECHNOLOGY

  • DRFM Kernel Design
  • Digital Components: FPGA, ADC, DAC
  • ESM Pulse Repetition Interval (PRI) Tracking

ADVANCED CONCEPTS

  • Distributed EW Concepts
  • Synthetic Aperture Radar (SAR) EA
  • Counter DRFM EP Techniques
  • EW Test Considerations
  • Technique Description Language (TDL)
  • Operational Impact Examples
  • Tactics Techniques and Proceedures

 

Requirements & Materials

Prerequisites

DEF 3502P Principles of Modern Radar Systems or equivalent knowledge of radar operation.

Materials

PROVIDED

  • Bound, color student notebook containing all lecture slides and provisions for student note taking.

Course Restrictions

This course is restricted to US citizens who are industrial and/or government employees and complete the Access Eligibility Form. Eligibility questions should be directed to 404-407-6661. Attendees must fax the Access Eligibility Form to 404-407-8691 or RShelp@gtri.gatech.edu

Who Should Attend

Engineers, technologists, and military EW operational specialists interested in DRFM EA and/or EP should attend. Anyone involved in design, analysis, simulation, performance specification, or test and evaluation of EW systems utilizing DRFM devices will benefit from the course. Completion of a basic radar system course or experience with modern radar systems is recommended.

Electronic warfare learner listening in classroom course

What You Will Learn

  • DRFM theory and fundamentals
  • Reasons DRFM is a game-changing, EA-enabling technology
  • Examples from decades of operational DRFM development and EA/EP field testing
  • DRFM Range and Velocity Technique fundamentals
  • Digital and Radio Frequency (RF) subsystem design, RF components, Field Programmable Gate Arrays (FPGA), and Radio Frequency System-on-Chip (RFSoC)
  • EP techniques for mitigation of DRFM EA
Radar antenna

How You Will Benefit

  • Understand the theory of operation of DRFM devices.
  • Know the performance trade-offs of various DRFM architectures and component selections.
  • Select candidate electronic protection techniques to defeat a DRFM jammer.
  • Learn technique programing with GTRI’s open-source Technique Description Language (TDL).
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