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Updated Comparison Table: COBRA Wireless GPR vs. UAV-Mounted 3D Imaging GPR (Mobyscan-V)

Feature COBRA Wireless GPR UAV-Mounted 3D Imaging GPR (Mobyscan-V) Relevance to Applications
Center Frequency 200/400/800 MHz (Triple frequency) 900 MHz (customizable) COBRA offers a wider range of frequencies, suitable for detecting objects at varying depths.
Bandwidth 50–1400 MHz (Ultra-wideband) Customizable, not specified COBRA’s ultra-wideband allows better penetration and resolution across depths.
Depth of Detection 0–10 m (depends on ground properties) 0–1 m COBRA provides deeper detection capability, ideal for various subsurface exploration needs.
Vertical Resolution Calculated from frequency blending; superior shallow resolution 2%–7% of depth Both provide strong vertical resolution; COBRA’s triple frequency enhances near-surface detection.
Horizontal Resolution Enhanced through frequency blending and multi-scan operations ≤10 cm Mobyscan provides specified high lateral resolution, essential for detailed mapping.
Number of Channels 2 15 (customizable) Mobyscan’s multiple channels support true 3D imaging with extensive coverage per scan.
Coverage Width Depends on antenna configuration 87 cm (horizontal polarization) Mobyscan offers defined coverage per scan, ideal for large-scale mapping.
Real-Time 3D Imaging Requires post-processing (Prism 2 software with 3D export module) Supported Mobyscan excels in providing real-time 3D tomographic imaging, crucial for on-site analysis.
Positioning Integrated RTK GPS Multi-method (RTK, IMU, Video, Doppler Ranging, Laser Marking) Mobyscan offers advanced and precise multi-modal positioning.
Power Supply Integrated 73 Wh Li-Ion battery (8 hours runtime) 11V–16V power supply, <75 W Both systems provide adequate power, but Mobyscan is more UAV-oriented.
Weight 15 kg Customized for UAV payloads (≤50 kg load support) COBRA is lighter for ground-based use; Mobyscan adapts well to UAV-mounted applications.
Operating Conditions -20°C to 40°C; IP68-rated -20°C to 60°C; IP65-rated Both are suitable for outdoor applications in varied environmental conditions.
Detection Result Requires post-processing with Prism 2 software Real-time dynamic 3D tomographic images Mobyscan is more efficient for immediate data visualization during field operations.
Scan Rate Up to 2500 scans/s Not explicitly specified COBRA provides a higher scan rate, enabling faster data collection.
Applications Multi-purpose (infrastructure, military, archaeology, environmental, geology, mining, etc.) High-resolution 3D imaging for detailed mapping and hazard detection. Both have versatile applications, but Mobyscan focuses on high-resolution 3D imaging.
Software Integration Prism 2 (3D export, Voxler, Reflex 3D, GPRSlice) Supports big data processing and intelligent early-warning cloud systems COBRA’s software integration excels in analysis; Mobyscan’s cloud systems add real-time and scalable data management.
Price (Estimate) €26,319 (base system) €572,000 COBRA provides a highly affordable option, while Mobyscan caters to premium, high-tech demands.
Value Per Cost Excellent value for multi-use systems with deep detection and post-processing options. Significant value for cutting-edge real-time 3D imaging and precision, but at a much higher cost. COBRA is cost-effective for versatile use; Mobyscan offers premium features for specific, high-demand applications.

Summary of Use Cases:

  • COBRA Wireless GPR:

    • Ideal for ground-based surveys requiring deep penetration and wide-range frequency adaptability.
    • Cost-effective for users who can manage post-processing and need flexibility across applications.

  • Mobyscan-UAV 3D GPR:

    • Designed for UAV-mounted operations with a focus on real-time 3D imaging and high-resolution mapping.
    • Premium system suitable for projects demanding precision, intuitive on-site analysis, and expansive capabilities.

Conclusion:

  • For budget-conscious, multi-purpose use, COBRA Wireless GPR offers excellent functionality at a competitive price.
  • For high-end, UAV-integrated real-time 3D imaging, Mobyscan-V is the superior choice despite its very high cost.