XGtd Capabilities

Standard Capabilities and Key Features

X3D RCS Model with GPU and mutli-processing for fast computations up to 100 GHz
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
Plane wave phase reference
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
Accurate monostatic and bistatic RCS of electrically-large platforms using Method of Equivalent Currents (MEC) and Physical Optics (PO)
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

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

64-bit GUI
Drag project elements with the mouse in the project view
Color displays of most output
Visualization of edges considered by the calculation to be part of curved surfaces
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

Transceivers: Simple co-location of functionally independent transmitters and receivers
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

S-Parameter output
Touchstone file export
Scattering amplitudes and excess times of arrival for RCS ray paths
Far zone ray paths, electric field magnitude and phase, complex impulse response, and poynting vector
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