1. Scanning Digital Radar Receiver Ryan Hamor Advisor: Dr. Huggins Bradley University ECE Department 5/02/2006

2. Presentation Outline Project Overview Functional Description Detailed System Description Theory of Signal Classification Software Development Simulation Results Experimental Results Future Work

3. Project Overview Scanning Digital Radar Receiver

4. Functional Description

5. PRR = 1/T PW = τ

6. System Block Diagram

7. System Description RF +LO RF-LO

8. Frequency Synthesizer Subsystem DDS Architecture 0.01 Hz Resolution DC-300MHz Serial/Parallel Connections

9. DDS Theory of Operation

10. System Description

11. If Filter Subsystem 3db Point at 200KHz

12. System Description

13. A/D Subsystem 1 MHz Sample Rate 16-bit Resolution USB 2.0

14. Theory of Signal Classification (FFT)

15. Theory of Signal Classification

16. Software Graphical User Interface Frequency Synthesizer Control Program Flow Control A/D Initialization Sample Signal Perform Signal Detection Perform Signal Processing

17. Top Level Signal Processing Flow Chart

18. Detection Process

19. Simulation (Simulink)

20. Simulation Results Fc = 100 MHz F LO = 99.9 MHz

21. Simulation Results

22. Experimental Results PRP = 2 ms PW = 20 % Fc = 100 MHz LO = 99.9 MHz

23. Experimental Results

24. Future Work Use of DSP board Microcontroller

25. Production System

26. Questions ?