简易SAR雷达制作.pdf-资料库

MIT IAP 2011 Laptop Based Radar: Block Diagram, Schematics, Bill of Material, and Fabrication Instructions* Presented at the 2011 MIT Independent Activities Period (IAP) Gregory L. Charvat, PhD MIT Lincoln Laboratory 10-28 January 2011 *This work is sponsored by the Department of the Air Force under Air Force Contract #FA8721-05-C-0002. Opinions, interpretations, conclusions and recommendations are those of the authors and are not necessarily endorsed by the United States Government. MIT Lincoln Laboratory MIT IAP 2011 Radar Instructions-1 GLC 8/28/2012 1

Outline • Motivation • Fully Assembled Radar Kit • Block Diagram • Schematics • Bill of Material (BOM) • Step-by-Step Fabrication Instructions • How to use the radar MIT IAP 2011 Radar Instructions-2 GLC 8/28/2012 MIT Lincoln Laboratory 2

Motivation • • • Increase MIT Campus and MIT Lincoln Laboratory collaboration Increase pool of staff candidates with relevant skills for MIT Lincoln Laboratory Introduce students to the field of applied electromagnetics, RF design, signal processing, analog design, and radar system design. – By making something interesting students could become motivated in the long term to work though challenging ECE and physics courses. MIT IAP 2011 Radar Instructions-3 GLC 8/28/2012 MIT Lincoln Laboratory 3

Outline • Motivation • Fully Assembled Radar Kit • Block Diagram • Schematics • Bill of Material (BOM) • Step-by-Step Fabrication Instructions • How to use the radar MIT IAP 2011 Radar Instructions-4 GLC 8/28/2012 MIT Lincoln Laboratory 4

Fully Assembled Radar Kit MIT IAP 2011 Radar Instructions-5 GLC 8/28/2012 MIT Lincoln Laboratory 5

Outline • Motivation • Fully Assembled Radar Kit • Block Diagram • Schematics • Bill of Material (BOM) • Step-by-Step Fabrication Instructions • How to use the radar MIT IAP 2011 Radar Instructions-6 GLC 8/28/2012 MIT Lincoln Laboratory 6

Block Diagram • FMCW • Operates in ISM band of 2.4 GHz • approximately 10 mW TX power • Max range approximately 1 km for 10 dBsm • Data acquisition/signal processing in MATLAB – sound card digitizes sync pulse and de-chrip Supporting FFT, 2-pulse canceller, SAR image MIT IAP 2011 Radar Instructions-7 GLC 8/28/2012 MIT Lincoln Laboratory 7

Callouts Cantenna1 Cantenna2 OSC1 PA1 ATT1 SPLTR1 Modulator1 Video Amp1 MXR1 LNA1 Batteries 8x AA MIT IAP 2011 Radar Instructions-8 GLC 8/28/2012 MIT Lincoln Laboratory 8

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