XGtd Capabilities

New in XGtd 2.5

64-bit version: larger, more complex models and factor of 1.5 to 2 times speedup

  • Optimized Ray Engine: speed improvement for large or complex models
  • Multi-process tokens (up to 8) included in base price
  • Synthesize antenna array patterns from similar array elements
  • Trajectory transmitter/receiver sets
  • Spherical transmitter/receiver sets
  • New support for user defined 2-cut plane antennas
  • Create multiple material plots in one step
  • Partition values now displayed on scale bars for easier reading

Standard Capabilities

Key Features 

  • Full 3D Ray-Tracing Solver, based on Uniform Theory of Diffraction (UTD) with corrections for finite conductivity materials, including thin coatings
  • Ideal solver for electrically large platform models or scenarios
  • Creeping-Wave Diffraction computation for high-fidelity computation of fields in shadow zones
  • Compute Far Zone Radiation Patterns including effects of scattering from electrically-large platforms and nearby objects
  • Compute Monostatic and Bistatic RCS of electrically large platforms
  • Calculate Doppler Shift due to motion of transmitter or receiver
  • Analyze antenna coupling and interference at multiple frequencies
  • Import Complex antenna Patterns from Remcom’s XFdtd® or other sources and standard formats, incorporating full polarization and phase information
  • Model wideband or narrowband pulses
  • Generate time or frequency domain output
  • Analyze propagation in anechoic chambers
  • Model transmitters as point sources, antenna arrays, distributed sources and plane waves

Optimization and Parallel-Processing

  • 64-bit version: larger, more complex models and factor of 1.5 to 2 times speedup
  • Optimized Ray Engine: speed improvement for large or complex models
  • Run calculations on multiple processors, with 8 multi-process tokens included in base price
  • Linux and Windows clusters

Graphical User Interface and Visualization

  • Use the powerful GUI to set up a calculation and display all results
  • 3D visualization of near zone fields and far zone antenna patterns
  • 3D display of ray paths
  • Color display of electric fields, received power and other output
  • Display 3D antenna patterns
  • Line plotting tools
  • Polar plots of antenna patterns
  • Color display of transient electric fields
  • "Movie Sequence" of transient fields vs. time
  • Export "Movie Sequence" to MPEG file
  • Export views and graphs to JPEG and TIFF files

Geometry Generation and CAD Import

  • Import faceted CAD geometrical data
  • DXF, STL and SAT formats
  • Automated CAD model simplification and error checking
  • Graphical geometry editor
  • Geometry validation
  • Translate, scale, rotate operations
  • Assign material properties

Materials 

  • Multiple dielectric layers
  • Thin coatings
  • Imported reflection and transmission coefficients
  • Radiation Absorbent Material (RAM) types for anechoic chambers

 Transmitters, Receivers and Waveforms

  • Define transmitter and receiver sets on linear, planar or spherical surfaces
  • Define trajectories for transmitters or receivers
  • Sinusoidal waveforms or wideband pulses
  • Plane wave sources
  • Define transmitter and receiver antennas

Antenna Pattern Definition 

  • Numerous built-in antenna types
  • Ability to import XFdtd far zone patterns
  • Ability to import standard formats: NSMA, Odyssey, MSI Planet
  • Support for user-defined 2-cut plane antenna patterns
  • Linearly and circularly polarized source antennas
  • Ability to construct arrays from individual antenna elements

Output Types

  • Antenna gain patterns (effective far zone, including platform effects)
  • Radar cross section
  • Doppler shift
  • Received power
  • Time and frequency domain electric and magnetic fields
  • Electric field magnitude and phase
  • Poynting vector
  • Path loss
  • Ray path data (field levels, time-of-arrival, direction-of-arrival)
  • Complex impulse response
  • Carrier/interferer ratio
  • Power delay profile
  • Delay spread
  • Field animations

Libraries

  • Create stored libraries of antennas, materials and waveforms