EM.Terrano is a physics-based, site-specific, wave propagation modeling tool that enables engineers to quickly determine how radio waves propagate in urban, natural or mixed environments. EM.Terrano's simulation engine is equipped with a fully polarimetric, coherent ray tracing solver based on the Shooting-and-Bouncing-Rays (SBR) method, which utilizes geometrical optics (GO) in combination with uniform theory of diffraction (UTD) models of building edges. EM.Terrano lets you analyze and resolve all the rays transmitted from one ore more signal sources, which propagate in a real physical site made up of buildings, terrain and other obstructing structures. EM.Terrano finds all the rays received by a receiver at a particular location in the physical site and computes their power levels, time delays, angles of arrival, etc. Using EM.Terrano you can examine connectivity of a communication link between any two points in a real specific propagation site.
{{Note[[Image:Info_icon.png|40px]] Click here to access '''[[EM.Cube#EM.Terrano_Tutorial_Lessons | EM.Terrano Tutorial Gateway]]'''. === EM.Terrano as the Propagation Module of EM.Cube === EM.Terrano is the ray tracing '''[[Propagation Module]]''' of '''[[EM.Cube]]''', a comprehensive, integrated, modular electromagnetic modeling environment. EM.Teranno shares the visual interface, 3D parametric CAD modeler, data visualization tools, and many more utilities and features collectively known as '''[[CubeCAD]]''' with all of [[EM.Cube]]'s other computational modules.}}
[[Image:Info_icon.png|40px]] Click here to learn more about '''[[Getting_Started_with_EM.CUBE | EM.Cube Modeling Environment]]'''.
[[Image:Info_icon.png|40px]] Click here to learn more about the basic functionality of '''[[CubeCAD]]'''.
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== A Ray Tracing Simulation Primer ==
=== Physics-Based Propagation Channel Modeling Using SBR Ray Tracing ===