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Dr. Gregory L. Charvat
  • About
  • Radar
    • X-Band UWB FMCW Radar
    • Range-Gated S-Band UWB FMCW
    • Range-Gated X-Band FMCW
    • MIT Coffee Can Radar
    • X-Band USB Impulse Radar
    • L-Band UWB Short-Pulse Radar
    • Police Doppler Radar
    • X-Band DC Coupled CW Doppler Radar
    • Unique Approach to FMCW
    • Harmonic Radar
    • WXR-150 sidecar
  • Imaging
    • Synthetic Aperture Radar (SAR)
      • X-band UWB FMCW Rail SAR
      • Range-Gated S-Band Rail SAR
      • Range-Gated X-Band Rail Sar
      • X-Band UWB Impulse Rail Sar
      • Low-Power Radar Imaging System
    • SAR Data
    • Phased Array Radar
      • Through-Wall Radar
      • S-Band MIMO Array
      • IAP MIMO Phased Array
    • Time of Flight Microwave Camera
    • Medical Imaging - MRI
    • Medical Imaging - CMUT Ultrasound
  • Book - Small & Short-Range Radar Systems
  • Courses
  • Radio & Radio Science
    • Radio Science
      • 1.42 GHz Radio Telescope
      • HF Radar
      • Curing Thermoset Polymers
      • Lossy Dielectric Model
    • Amateur Radio
      • 20M SSB transceiver
      • 10&6M SSB transceiver
      • power distribution panel
      • Transceiving with the R390A
      • Portable amateur radio station
      • Mil Surplus & Vinitage Amateur Radio
        • S-76
  • Vacuum Tubes
    • Vacuum Tube Audio
      • Frankenstein
      • Quad-40
      • Mono-Block
      • Battery Powered Tube Pre-Amp
    • Antique Radio
      • Radiola18
      • Colin B. Kennedy 20B
      • Silvertone 4686
      • Olympic 606
      • Zenith K725
      • Emerson Model 888 Transistor
  • Vintage Test Equipment
  • Horology
    • Digital
    • Clocks
    • Watchhes
  • Vintage Computational Devices
    • NCR Class 1500 Cash Register
  • As-Seen on TV
  • Origin Story
Dr. Gregory L. Charvat
  • About
  • Radar
    • X-Band UWB FMCW Radar
    • Range-Gated S-Band UWB FMCW
    • Range-Gated X-Band FMCW
    • MIT Coffee Can Radar
    • X-Band USB Impulse Radar
    • L-Band UWB Short-Pulse Radar
    • Police Doppler Radar
    • X-Band DC Coupled CW Doppler Radar
    • Unique Approach to FMCW
    • Harmonic Radar
    • WXR-150 sidecar
  • Imaging
    • Synthetic Aperture Radar (SAR)
      • X-band UWB FMCW Rail SAR
      • Range-Gated S-Band Rail SAR
      • Range-Gated X-Band Rail Sar
      • X-Band UWB Impulse Rail Sar
      • Low-Power Radar Imaging System
    • SAR Data
    • Phased Array Radar
      • Through-Wall Radar
      • S-Band MIMO Array
      • IAP MIMO Phased Array
    • Time of Flight Microwave Camera
    • Medical Imaging - MRI
    • Medical Imaging - CMUT Ultrasound
  • Book - Small & Short-Range Radar Systems
  • Courses
  • Radio & Radio Science
    • Radio Science
      • 1.42 GHz Radio Telescope
      • HF Radar
      • Curing Thermoset Polymers
      • Lossy Dielectric Model
    • Amateur Radio
      • 20M SSB transceiver
      • 10&6M SSB transceiver
      • power distribution panel
      • Transceiving with the R390A
      • Portable amateur radio station
      • Mil Surplus & Vinitage Amateur Radio
        • S-76
  • Vacuum Tubes
    • Vacuum Tube Audio
      • Frankenstein
      • Quad-40
      • Mono-Block
      • Battery Powered Tube Pre-Amp
    • Antique Radio
      • Radiola18
      • Colin B. Kennedy 20B
      • Silvertone 4686
      • Olympic 606
      • Zenith K725
      • Emerson Model 888 Transistor
  • Vintage Test Equipment
  • Horology
    • Digital
    • Clocks
    • Watchhes
  • Vintage Computational Devices
    • NCR Class 1500 Cash Register
  • As-Seen on TV
  • Origin Story
  • More
    • About
    • Radar
      • X-Band UWB FMCW Radar
      • Range-Gated S-Band UWB FMCW
      • Range-Gated X-Band FMCW
      • MIT Coffee Can Radar
      • X-Band USB Impulse Radar
      • L-Band UWB Short-Pulse Radar
      • Police Doppler Radar
      • X-Band DC Coupled CW Doppler Radar
      • Unique Approach to FMCW
      • Harmonic Radar
      • WXR-150 sidecar
    • Imaging
      • Synthetic Aperture Radar (SAR)
        • X-band UWB FMCW Rail SAR
        • Range-Gated S-Band Rail SAR
        • Range-Gated X-Band Rail Sar
        • X-Band UWB Impulse Rail Sar
        • Low-Power Radar Imaging System
      • SAR Data
      • Phased Array Radar
        • Through-Wall Radar
        • S-Band MIMO Array
        • IAP MIMO Phased Array
      • Time of Flight Microwave Camera
      • Medical Imaging - MRI
      • Medical Imaging - CMUT Ultrasound
    • Book - Small & Short-Range Radar Systems
    • Courses
    • Radio & Radio Science
      • Radio Science
        • 1.42 GHz Radio Telescope
        • HF Radar
        • Curing Thermoset Polymers
        • Lossy Dielectric Model
      • Amateur Radio
        • 20M SSB transceiver
        • 10&6M SSB transceiver
        • power distribution panel
        • Transceiving with the R390A
        • Portable amateur radio station
        • Mil Surplus & Vinitage Amateur Radio
          • S-76
    • Vacuum Tubes
      • Vacuum Tube Audio
        • Frankenstein
        • Quad-40
        • Mono-Block
        • Battery Powered Tube Pre-Amp
      • Antique Radio
        • Radiola18
        • Colin B. Kennedy 20B
        • Silvertone 4686
        • Olympic 606
        • Zenith K725
        • Emerson Model 888 Transistor
    • Vintage Test Equipment
    • Horology
      • Digital
      • Clocks
      • Watchhes
    • Vintage Computational Devices
      • NCR Class 1500 Cash Register
    • As-Seen on TV
    • Origin Story

"Finally, bedtime reading for the radar enthusiast!" - Levent Gurel, IEEE Antennas & Propagation Magazine, August 2016.

G. L. Charvat, “Radar Imaging in your Garage: Synthetic Aperture Radar,” Guest Post, Hackaday, March 17, 2014.

G. L. Charvat, “The Future of Small Radar Technology,” Circuit Cellar Magazine, ‘Tech to the Future’ Column, March 14, 2014.

Radar Expert Explains How To Cheaply Add Radar To Your Own Hardware Projects, Slashdot, Feb 25, 2014.

G. L. Charvat, “Try Radar for your Next Project,” Guest Post, Hackaday, February 24, 2014.

Demos, Matlab Scripts, & Data

Ch. 1, RAdio Direction And Ranging (RADAR)

Matlab scripts

cascaded_noise_figure.m

minimum_detectable_signal.m

Ch. 2, Continuous Wave (CW) RADAR

Radar Range Equation for CW Doppler Radar Systems

radar_range_eq_doppler.m

Demo videos with data & Matlab Scripts

Coffee Can Radar

Youtube Demo

Coffe_can_radar_Doppler_demo_data.zip

X-Band Radar

Youtube Demo

CW_xband_doppler_radar.zip

Ch. 3, Frequency Modulated Continuous Wave (FMCW) Radar

Radar Range Equation for FMCW Radar Systems

radar_range_eq_FMCW.m

Demo videos with data & Matlab Scripts

X band FMCW Radar

Youtube Demo

xband_FMCW.zip

Coffee Can Radar

Youtube Demo

coffee_can_ranging_demo.zip

An unusual FMCW architecture demonstrated

S band FMCW range gated

Youtube Demo

sband_FMCW_rangegated.zip

X band FMCW range gated

Youtube Demo

xband_FMCW_rangegated.zip

Ch. 5, Practical Examples of Small Synthetic Aperture Radar Imaging Systems

Radar Range Equation for linear rail SAR imaging systems

radar_range_eq_SAR.m

X band FMCW SAR imaging system (aka ‘backyard SAR’)

Youtube Demo

Xband_fmcw_railsar_demo.zip


Backyard_SAR_GOSTATE.zip


Backyard_SAR_Bike.zip


Backyard_SAR_5_0_Mustang.zip

X band range gated FMCW SAR imaging system

Youtube Demo

Xband_rg_fmcw_railsar_demo.zip


xband_rangegated_SAR_100nw.zip

S band range gated FMCW SAR imaging system

Youtube Demo

Sband_rg_fmcw_railsar_demo.zip


Sband_rg_bolts.zip

Ch. 6, Phased Array Radar

Radar Range Equation for Short-Range Phased Array Radar Systems

Radar_range_eq_phasedarray.m

S-band Time Division Multiplexed MIMO Radar System Demo

Youtube Demo

sband_array_demo_data.zip

Ch. 7, Ultrawideband (UWB) Impulse Radar

Radar Range Equation for UWB Impulse Radar

Radar_range_eq_impulse.m

Impulse Radar demo

Youtube Demo

Xband_UWB_impulse_demo.zip

Impulse rail SAR imaging demo

Youtube Demo

xband_UWB_impulse_rail_SAR_experiment2.zip

Ch. 8, Police Doppler Radar and Motion Sensors

Hacking a Police Radar

Youtube Demo

Hacking_a_police_radar.zip

Police radar & audio system demo

Youtube Demo

Ch. 10, Through Wall Radar

Radar Range Equation for a through-wall imaging radar

Radar_range_eq_thruwall.m

S Band Through Wall Rail SAR demo

Sband_rg_thruwall_6in_cylinder.zip

S band TDM MIMO array through wall demonstrations

Youtube Demo


Youtube Demo


Youtube Demo

Disclaimer:  Information presented on this website is for reference only.  There are high voltages present in many of these designs that can be fatal.  With some designs shown there is a danger of RF burn that is capable of causing harm to you and others.  Do not attempt to build any of these projects unless you have the proper training and experience.
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