Michigan Tech Research Institute (MTRI) Michigan Technological University 3600 Green Court, Suite 100 Ann Arbor, MI 48105 (734) 913-6840 – Phone (734) 913-6880 – Fax www.mtri.org Colin Brooks [email protected] (734) 913-6858 Ben Hart [email protected] (734) 913-6887 Dr. Joseph Burns [email protected] (734) 913-6857 Brian Wilson [email protected] (734) 913-6975 MTRI Sensor Capabilities Azimuth (deg) Range from APC (m) 50 100 150 200 250 300 350 3 4 5 6 7 8 9 -90 -85 -80 -75 -70 -65 -60 -55 • Signal Analysis • Cell phone • WLAN • Interferometry Ground Penetrating Radar Baseline Test Bed Concept N node, distributed, multistatic, subsurface penetration radar connected by cables - Programmable frequency sweep from 20 – 2000 MHz - Multistatic data collection - 3-D imaging and Moving Target Indicator processing Central control / processing computer DGPS reference Radar Tx / Rx Radar Tx / Rx Radar Tx / Rx Antennas Antennas Antennas Cable connections Multistatics provides enhanced imaging Programmability generalizes use Portable Radar System: SPC Cheetah Frequency Band 2-18 GHz 26.5-40 GHz 90-98 GHz Peak Transmit Power with Amp +25 dBm +26 dBm +27 dBm Polarization Dual Dual Dual Dual Channel Receive Capability Yes Yes Yes Dynamic Range 90 dB 90 dB 90 dB Beamwidth 50.0 deg 1.6 deg 1.6 deg W-band field measurements show the correct polarimetric response of a dihedral at a range of 100m. MTRI researchers deploy the Cheetah Radar system at MOUT site in Virginia. Capabilities – Collection Time Minimization – Simultaneous, Multi-sensor Systems Labview Interfaces – Agilent Network Analyzers – Agilent Impedance Analyzer – Translation Stage – Rotation Stage – PXI-based RF Digitizers Matlab Instrument Control – Agilent Oscilloscopes – Agilent Network Analyzers GNURadio – USRP N210 and E110 – UHD Interface Ground Penetrating Radar Multi-band Instrumentation Radar Set on wooden floor illuminating basement Collection Specifics – Freq: 500-1000MHz – Duration: 10s collect – Translation: 3m Migration processing Experimental Results shelf duct filing cab shelf duct filing cab Software Defined Radio Record and Playback of RF signals – Continuous Recording of up to 25 MHz BW – RF Frequencies from 1 MHz to 6 GHz GPS Disciplined Timing for Remote Synchronization – Can synchronize devices over many kilometers – Multi-node systems Successfully implemented synchronized, 3-node system continuously recording 25MHz BW of complex RF signals for 90 seconds on each node Model MTRI Qty Daughterboard Slots Host Intf Host BW DAC ADC MIMO CPU N210 4 1TX/1RX GigE 50 MS/s 16-bit, 400 MSPS 14-bit, 100 MSPS Yes n/a E110 5 1TX/1RX Embedded 4-8 MS/s 14-bit, 128 MSPS 12-bit, 64 MSPS No OMAP 3730 *USRPs that include modular RF solutions are paired with Ettus Research daughterboards to access signals from DC-6 GHz. **MIMO expandable. Model MTRI Qty Type Frequency BW** Output Power BasicTX 3 2 x Tx 1 MHz – 250 MHz 100 MHz* 1 mW BasicRX 6 2 x Rx 1 MHz – 250 MHz 100 MHz* N/A WBX 3 Tx/Rx, Full-Duplex 50 MHz – 2.2 GHz 40 MHz 100 mW SBX 3 Tx/Rx, Full-Duplex 400 MHz – 4.4 GHz 40 MHz 100 mW CBX 2 Tx/Rx, Full-Duplex 1.2 GHz – 6.0 GHz 40 MHz Unknown XCVR2450 2 Tx/Rx, Half-Duplex 2.4 GHz – 2.5 GHz 4.9 GHz - 5.9 GHz 33 MHz 100 mW *Specified BW valid when two ports are used as complex pair. **Limited by USRP motherboard chosen. USRP Daughtercards @ MTRI USRP Hosts @ MTRI ISAR Data Collection Spectroradiometer: ASD Fieldspec 3 • Used to create spectral profiles of wetland types, land cover crops, pavement types, ice and snow, minerals, water-bodies, etc. • Applications in forestry, plant physiology, mineralogy, hydrology, agriculture, electrical & civil engineering • Collects in-situ spectral reflectance data from 350-2500 nm with spectral resolutions from 1 nm (UV-near infrared) to 30nm (shortwave infrared). Includes ability to conduct above and below water spectral sampling. • Portable field unit, available to Michigan Tech researchers, with training from MTRI Spectral profiles of wetland species Collecting wetland reflectance data Mapping wetlands with spectral reflectance data Aiding bridge condition assessment by measuring surface reflectance • Tablet computer allows user to collect GPS tagged spectral signatures for easy comparison to remotely collected imagery Collecting water reflectance Radar/Lidar Measurement System Measurement Configuration Implementation / Capabilities System Frequency Coverage Polarization Portable Instrumentation Radar Range-gated, wideband data collections over multiple frequency bands provide a versatile measurement capability. RCS measurements, outdoor collections SPC Cheetah 2-18 GHz 26.5-40 GHz 90-98 GHz Dual polarization (HH, HV) (VV, VH) Lightweight, Portable Radar Range-gated, multi-static, man-portable Radar system for use in the lab or the field. Also used in Ground Penetrating Radar configuration. Akela Wideband Network Analyzer 300 – 3000 MHz 750 – 6000 MHz HH,HV,VV,VH (single pol per sweep) W-Band Traffic Radar Portable, all-weather, azimuth scanning Radar Navtech TS350-X 76.20 GHz – 76.85 GHz Circular Dual-Channel Receiver High-speed, dual-channel, synchronous digitization of received signals provides interferometric capability AlazarTech ATS9360 0-800 MHz (Full BW) HH,HV,VV,VH (single pol per sweep) Software Defined Radio High-speed multi-channel, multi-node synchronous digitization of RF signals with transmit capability USRP 1 - 6000 MHz HH,HV,VV,VH (single pol per collect) Bandwidth 800 MHz Sampling Freq 1.8 GBps ADC Depth 12 bits Synch. Chan. 2 Radar/Lidar Sensing System W-Band Radar 905nm Lidar vertically translated for full 3D scene Simultaneous collection radar lidar lidar