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XGtd Manual
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XGTD is a general purpose ray-based electromagnetic analysis tool capable of modeling propagation in the vicinity of complicated objects (aircraft, vehicles, anechoic chambers, etc.), performing antenna placement analysis, and determining the effects of objects on an antenna's far zone pattern. It predicts how the locations of the transmitters and receivers interact with general geometry to calculate the signal strength and far zone antenna gain. Far zone radar cross section (RCS) can be calculated for plane waves incident on the geometry and co- and cross-polarized components can be observed versus frequency or bistatic scattering angle. XGTD models the physical characteristics of objects and anechoic chambers, performs the electromagnetic calculations, and then evaluates the signal propagation characteristics. Products & Services
Antenna design software is used for the design and electromagnetic analysis of all types of antenna systems, including planar and microstrip antennas, hollow waveguide and horn antennas, and helical antennas.
Learn more about Antenna Design Software
Anechoic chambers are specialized chambers designed for electromagnetic or sound waves.
Learn more about Anechoic Chambers
Radar systems and radar products have synchronized transmitters and receivers that send radio waves and detect their reflections from objects, surfaces or sub-surface structures.
Learn more about Radar Systems and Products
Global positioning system (GPS) instruments and GPS modules are radio-navigational devices that provide accurate position information about objects on Earth, based on information from orbiting satellites.
Learn more about GPS Instruments and Modules
Polarization rotators maneuver incident-linearly-polarized light about an optical axis.
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Topics of Interest
OVERVIEW
There are two kinds of indoor RCS test chamber: compact and otherwise. The compact range relies on an antenna that is so large that all test objects measured in the chamber are in the near...
Wireless InSite is a powerful electromagnetic modeling tool for predicting the effects of buildings and terrain on the propagation of electromagnetic waves. It predicts how the locations of the...
5.1 Introduction
In the far field zone of a transmitting antenna, the radiated wave takes on the characteristics of a transverse electromagnetic (TEM) wave. Far field zone refers to distances...
After the EM radiation leaves the radar antenna, it propagates into the external environment. Some of the radiation scatters from one or more objects in the environment, returns to the antenna, and...
6.6 ANTENNA SCATTERING [4] [7] [16] [19]
6.6.1 Basic Notions
Antenna RCS is really made up of several contributors. The three major contributors are antenna-mode scattering, antenna-structural...
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