XGtd Features

New in XGtd 2.4

  • Request computation of a full three-dimensional antenna pattern
  • View calculated 3D antenna gain pattern in the project view
  • Request antenna pattern output with non-integer angular spacing
  • Variable incident angle plane waves for calculating RCS vs. incidence angle
  • Added circular polarization options to antenna pattern display
  • Calculation engine runs on multiple processors
  • Options for organizing files in the output tree
  • View and plot the RMS total electric field
  • Geometry validation
  • Set preferences for default antennas and waveforms
  • Regular polygonal cylinders and plates can be created in the object editor
  • Transmitter sets can be duplicated as receiver sets and vice versa
  • Transmitter/Receiver sets can be translated, rotated and scaled
  • Polygon sets can be graphically created and edited
  • Points on arc and cylinder Tx/Rx sets can be spaced by degrees
  • Backgrounds for a Tx/Rx set’s short description label in the project view

Standard Features

  • Full three-dimensional implementation of the Uniform Theory of Diffraction (UTD) with corrections for finite conductivity materials, including thin coatings
  • Use the powerful GUI to set up a calculation and display all results
  • Computes near zone fields and far zone radiation and scattering patterns
  • Source types include point sources, antenna arrays, distributed sources and plane waves
  • Computes monostatic and bistatic RCS
  • Analyze antenna coupling and interference at multiple frequencies
  • 3D visualization of near zone fields and far zone antenna patterns
  • 3D display of ray paths
  • Wideband and narrowband pulses
  • Time and frequency domain output
  • Import faceted CAD geometrical data
  • Import antenna patterns with full polarization and phase information directly from Remcom's XFdtd®®
  • Analyze propagation in anechoic chambers

Geometry Generation and CAD Import

  • DXF, STL, IGES, and SAT formats
  • Automated CAD model simplification and error checking
  • Graphical geometry editor
  • Translate, scale, rotate operations
  • Assign material properties

Materials

  • Multiple dielectric layers
  • Thin coatings
  • Imported reflection and transmission coefficients

Sources and Waveforms

  • Wideband pulses
  • Sinusoidal sources
  • Plane wave sources
  • Multiple point sources
  • Antenna arrays

Output Types

  • Antenna gain patterns
  • Radar cross section
  • Received power and S-parameters
  • Time and frequency domain electric and magnetic fields
  • Poynting vector
  • Path loss
  • Ray paths
  • Carrier/interferer ratio
  • Direction-of-arrival
  • Time-of-arrival
  • Power delay profile
  • Delay spread
  • Field animations

Input/Output Visualization

  • 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

Source Antenna Pattern Definition

  • Numerous built-in antenna types
  • Import XFdtd far zone patterns
  • Linearly and circularly polarized source antennas

Special Capabilities/Options

  • Run calculations on multiple processors
  • Linux and Windows clusters

Libraries

  • Create libraries of antennas, materials and waveforms