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Through Wall Radar

Through Wall Radar. ECE 480 Fall 2008 Design Day Presentation. Overview. Introduction and Project Goals Background Design Specifications Final Product Future Work Demonstration. Introduction and Project Goals. Introduction What is Through Wall Radar?

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Through Wall Radar

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  1. Through Wall Radar ECE 480 Fall 2008 Design Day Presentation

  2. Overview • Introduction and Project Goals • Background • Design Specifications • Final Product • Future Work • Demonstration

  3. Introduction and Project Goals • Introduction • What is Through Wall Radar? • A radar system designed to detect targets through large obstructions • How is it useful? • Search and rescue applications

  4. Introduction and Project Goals • Project Goals • Design and build a core radar • Sensitive • Reconfigurable • Low Cost

  5. Background • Linear FMCW Radar • Transmit frequency sweep • Target reflections cause time delay on return signal • Delayed signals appear at radar output

  6. Background • Self-Interference Cancellation • Co-located antennas • Transmitter energy interferes with receiver • Use knowledge of transmitted signal to remove it from the receiver

  7. Design Specifications • Basic Radar Performance • Ability to detect multiple targets • Easily identify and distinguish between targets

  8. Design Specifications • Reconfigurable • Easily add expanded capabilities • High percentage of COTS modules • Low Cost

  9. Final Product

  10. Final Product • Software • Signal Acquisition and Generation • Background Subtraction • MTI • End user controls

  11. Final Product • Hardware • Modular components • RF Component Module • Signal Processing Unit • Power Supply Unit

  12. Final Product • Hardware • Reconfigurable components • Expansion Ports • Scalable Op-Amp Design

  13. Final Product • Low cost • We Spent Under $1000!

  14. Looking Back at Project Goals • Sensitive • Reconfigurable • Low-Cost

  15. Future Work • Basic Radar Enhancements • Transmit Power • Background Subtraction and MTI Improvements • Video Filter • SAR Image Courtesy of NASA

  16. Future Work • Self-Interference Cancellation • Vector Modulation

  17. Demonstration

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