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Autonomous Detection and Classification of LPI Emitters

Autonomous Detection and Classification of LPI Emitters (On-Demand Course)

Autonomous Detection and Classification of LPI Emitters (On-Demand Course)

Course Length: 24 hours total - delivered across 8 sessions of 3-hours each. Each session contains lecture and practical problems.

    PLEASE NOTE: This course will be delivered through Adobe Connect. To ensure your computer system has access to Adobe Connect, please test your system HERE.


This course will cover the unified presentation of the fundamental design principles of LPI radar. This includes a thorough treatment of the numerous types of wideband modulations that can be used to reduce the probability of a noncooperative intercept receiver’s ability to intercept and extract the waveform modulation parameters (which may easily lead to an effective jammer response). We will also cover the intercept receiver time-frequency and bi-frequency signal processing techniques that can extract the wideband waveform parameters. Autonomous classification and parameter extraction algorithms are also an objective such that a real-time jammer response can be developed – just what we did not want to happen!

Course Delivery

There is a downloadable course syllabus provided for each session. It contains copies of all visual aids and problem worksheets for that session. It will be available for download in the meeting room.

Each session was presented LIVE by an actively engaged instructor. The virtual classroom allowed learners to “raise a hand,” ask questions audibly or type them in the chat, and the instructor responded in real-time. It’s just like sitting in the classroom.

These "Live Educational Courses" presented by AOC are recorded when broadcast live and are subsequently made available to registrants for 30 days in our "On-Demand Educational Courses" catalog.

You can now benefit from this course catalog with your purchase.

Required Materials

Students will need to supply their own copy of MATLAB Software.

Students need to purchase their own copy of the text book, Detecting and Classifying Low Probability of Intercept Radar, Second Edition

Who Should Attend

The course is designed to meet the needs of electrical engineering, physics and systems engineering students at the senior undergraduate and beginning graduate levels and especially those of practicing electronic warfare engineers.

  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 1
  • Historical significance, spectrum focus in EMW, design concepts, identifying both amplitude- and phase-sampling DRFM architectures and their characteristics, digital design trade-offs, noise components and sampling, quantify the phase and amplitude spurious signals generated, linearity, dynamic performance prediction.
  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 2
  • Technical considerations, necessary bandwidth, networks of comparators, problems using wideband vs. narrowband for EA, recent wideband System-on-a-Chip DRFM results, methods to predict and reduce the spurious frequencies.
  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 3
  • Nonuniform sampling, oversampling, undersampling, analysis/synthesis channelizer technique, trade-offs in resolution; symmetrical number system and wideband DFT EW receivers, Nyquist folding receiver.
  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 4
  • DRFM integrated photonics, HTS/LTS, Brief tutorial concerning optical link components including: laser, Mach-Zehnder interferometer, detector and advantages; integration of p-downconverter into RF section of DRFM; significance of photonic ADC preprocessing architecture; engineering of photonic direction finding (DF) array; photonic Nyquist folding receiver; SQUID transducers.
  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 5
  • EA algorithms, different DRFM uses in EW, popular applications, deception, EA coherent repeater methods; mathematical model performance, functional requirements for both range and velocity deception.
  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 6
  • Augmentation GPU/FPGAs for superior RF decoys, examine the role of new generation of firmware to enable deception algorithms in hard-kill engagement; signal processing methods in a coherent seeker (ISAR), DRFM decoy processor advantages, digital image synthesizers, creating multiple structured false targets
  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 7
  • ES algorithms for cognitive spectrum sensing, signal detection and emitter classification, important emitter modulations, machine learning & convolutional neural networks (CNN), deep learning, big data issues.
  • DRFM Technology and Design for Electromagnetic Maneuver Warfare - Session 8
  • Counter-DRFM techniques, pulse diversity methods e.g., phase modulation and orthogonal coding; signal processing techniques such as polarization discrimination, range glint, frequency diversity, statistical signal processing methods.

Please Note: Access to the course materials will be provided within one business day of registration. 

AOC Members - $1600

Non AOC Members - $1650

  • NOTE: Each registration is for one (1) participant ONLY. Distributing your registration URL or allowing others to participate in this course with you or under your account is grounds for removal from the course without refund of any kind.

Dr. Phillip Pace is a professor in the Department of Electrical and Computer Engineering at the Naval Postgraduate School. He received the B.S. and M.S. degrees from the Ohio University in 1983 and 1986 respectively, and the Ph.D. from the University of Cincinnati in 1990 | all in electrical and computer engineering.

Dr. Phillip Pace

With over 13,000 members internationally, the Association of Old Crows is an organization for individuals who have common interests in Electronic Warfare (EW), Electromagnetic Spectrum Management Operations, Cyber Electromagnetic Activities (CEMA), Information Operations (IO), and other information related capabilities. The Association of Old Crows provides a means of connecting members and organizations nationally and internationally across government, defense, industry, and academia to promote the exchange of ideas and information, and provides a platform to recognize advances and contributions in these fields.