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 cnbrooks@mtu.edu

(734) 913-6858

Ben Hart behart@mtu.edu (734) 913-6887

Dr. Joseph Burns jwburns@mtu.edu

(734) 913-6857

Brian Wilson brwilson@mtu.edu

(734) 913-6975

MTRI Sensor Capabilities

Azimuth (deg)

Ran

ge fr

om A

PC

(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 computerDGPS reference

Radar Tx / Rx Radar Tx / Rx Radar Tx / Rx

Antennas Antennas Antennas

Cable connections

Multistatics provides enhanced imagingProgrammability 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 dBmPolarization Dual Dual DualDual Channel Receive Capability Yes Yes YesDynamic Range 90 dB 90 dB 90 dBBeamwidth 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 f loor illuminating basementCollection Specif ics

– Freq: 500-1000MHz– Duration: 10s collect– Translation: 3m

Migration processing

Experimental Results

shelf

duct

filingcab

shelf

duct

filingcab

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