Raptor® presentation - georadar-nrw · •Very fast collection of 3D GPR data at speeds in excess...
Transcript of Raptor® presentation - georadar-nrw · •Very fast collection of 3D GPR data at speeds in excess...
www.impulseradar.seRaptor® presentationAugust 2018
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Content
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• Overview
• What matters most in array-design?
• What does RTS offer?
• Raptor® system design / layout
• Raptor® antenna characteristics
• Benefits for users
• Rationale for RTS
• Data acquisition
• Data interpretation and visualization
• Specifications
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Raptor® OverviewState-of-the-art 3D GPR Array solution
First commercial array built on the latest Real-Time Sampling (RTS) technology*
• Provides well-balanced arrays, up to any number of channels (recommend 30-ch max)
• Very fast collection of 3D GPR data at speeds in excess of 130 km/hr. @ 5 cm point intervals
• Conventional systems typically operate at no more than 30 km/hr., with the same settings
*to the best of our knowledge at time of launch
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Raptor®
Raptor®-45, 8-Ch Cart Configuration Raptor®-45, 18-Ch Vehicle Carrier Configuration
Raptor® Overview – Standard ConfigurationsSimilar configurations are available with Raptor®-80, albeit with more channels due to the smaller antenna size
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Raptor® Overview
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What does RTS offer?
• By using modern electronics, the data collection rate of a GPR-receiver may be raised to ~200 MHz, vs. the commonly used 100-300 kHz, i.e. in the order of 1000 times*
• Faster data acquisition may be used for 1) quicker surveys, or 2) higher dynamic range/less noise. In fact, with Raptor® we do both.
OFFICIAL-SENSITIVE
Noise levels may be viewed at late times in the A-scan, in this case we look on 16-bit representation of data from an RTS-system vs. data from a traditional GPR, set for high speed. Noise levels differs by a factor of approximately 14
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Benefits of RTS
1. Ease of use…no need to worry about settings anymore, the system is capable to adapt to varying survey speeds, while maintaining optimal settings
2. Virtually no speed limitations, especially important for vehicle-mounted operations
3. One complex and expensive unit less
4. For arrays - higher level of redundancy
5. Higher performance = deeper penetration
Raptor® vs. conventional design (2D data)
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OFFICIAL-SENSITIVE
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System layout
➢ Each receiver (Rx) controls 2 transmitters (Tx) shared with neighbors
➢ At least 1 Receiver must be a master, having additional connectors
➢ Number of channels limited by physical constraints on time slots
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OFFICIAL-SENSITIVE
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As long as everything is green, all units work and data is being gathered correctlyFailing units will show red-alerts, as in this example
Data acquisition
2D-profiles are shown during data collection, but the priority is QA/QC
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As the survey evolves, the map also becomes a quality tool to minimize gaps in coverage
Data acquisition
If an access point is available, a moving map can be viewed instead of radar dataOpenStreetMap
Several projects may be viewed on the map simultaneously and can be zoomed in/out
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Data acquisition
Bridge deck
At 130km/h the data is still very much useful
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Data interpretation and visualization
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Data interpretation and visualization
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Specifications
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Raptor®-45
ANTENNA
Technology ImpulseRadar real-time sampling
Antenna type Raptor®
Centre frequency 450 MHz
Signal to noise ratio (SNR) >100 dB
Significant/useful number of bits >16 bit
Scans/second >800
Survey speed > 130 km/h @ 5 cm point interval
Data acquisition rate 160 MHz
Time window 100 - 1500 ns
Bandwidth >120%, fractional, -10 dB
Acquisition mode Wheel, time or manual
Positioning Wheel encoder, internal DGPS, external GPS, Total-station
GPS support Integrated support for GPS (int./ext.), NMEA 0183 protocol
Data time-tagging To 1ms of \GPS-time
Power supply 12 V Li-Ion rechargeable battery, or ext. 12 V DC source
Power consumption 0.5 A per channel
Operating time 5 hours (8-channel with 20 Ah battery)
Dimensions 230 x 165 x 160 mm (Antenna only)
Weight 2.1 kg (Antenna only)
Operating temperature -20° to +50°C
Environmental IP65
Regulatory certification FCC & CE
USER INTERFACE Laptop PC (min. requirements)
Display 10" backlit, sun-readable
Operating system Windows 7 or later
Processor >1 GHz, 64-bit (x64)
Memory >4 GB RAM (64-bit)
Storage >20 GB (64-bit)
Graphics DirectX 9 graphics device with > WDDM 1.0 driver
Communications interface Ethernet 1 GB
Recommendation Panasonic Toughpad FZ-G1 / Toughbook CF-31
(or equivalent)¹
CARRIER SOLUTIONS Cart (up to 8-channels) Vehicle (up to 18-channels)
Dimensions (when in use) 90 x 70 x 25 cm 190 x 80 x 60 cm
Wheels 2 x Ø315 mm / 1 x Ø120 mm N/A
Weight 42 kg 70 kg
SOFTWARE
Talon® acquisition software - Quick and easy configuration and start-up
- Positioning configuration and device sync monitoring
- Visualization of radargram for each channel
- Data merge, storage and export
Processing software ImpulseRadar recommends GPR-Slice
Ground Penetrating Radar Imaging Software
Visit: www.gpr-survey.com
¹ Configurations of more than 8-channels require a higher specification PCImpulseRadar products are under continuous development and we reserve the right to change specifications at any time and without prior notice. You may verify product specifications at any time by contacting our headquarters using the details listed below.
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Raptor® Carrier Solutions
Cart Vehicle-mount
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Raptor® Accessories
Cart Vehicle-mount
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Certification and compliance
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