=== Simulation Modes ===
EM.Terrano provides a number of different solvers and simulation modes. Its main solver is the '''3D SBR Ray Tracer'''. Once you have set up your propagation scene in EM.Terrano and have defined sources/transmitters and observables/receivers for your scene, you are ready to run a SBR ray tracing that involve single or multiple simulation. EM.Terrano offers thee simulation modes for the SBR solverruns:
{| class="wikitable"
! scope="col"| Usage
! scope="col"| Which Solver?
! scope="col"| Number of Simulation Runs
! scope="col"| Frequency
! scope="col"| Restrictions
| style="width:180px;" | Simulates the propagation scene "As Is"
| style="width:180px;" | SBR, Channel Analyzer, Polarimatrix, Radar Simulator
| style="width:100px;" | Single run
| style="width:150px;" | Runs at the center frequency fc
| style="width:100px;" | None
| style="width:180px;" | Varies the operating frequency of the ray tracer
| style="width:180px;" | SBR, Channel Analyzer, Polarimatrix, Radar Simulator
| style="width:100px;" | Single ray tracing run, multiple frequency computations
| style="width:150px;" | Runs at a specified set of frequency samples
| style="width:100px;" | None
| style="width:180px;" | Varies the value(s) of one or more project variables
| style="width:180px;" | SBR
| style="width:100px;" | Multiple runs
| style="width:150px;" | Runs at the center frequency fc
| style="width:100px;" | None
| style="width:180px;" | Activates two or more transmitters sequentially with only one transmitter broadcasting at each simulation run
| style="width:180px;" | Polarimatrix
| style="width:100px;" | Multiple runs
| style="width:150px;" | Runs at the center frequency fc
| style="width:100px;" | Requires at least two transmitters in the scene
| style="width:180px;" | Rotates the radiation pattern of the transmit antenna(s) sequentially to model beam steering
| style="width:180px;" | Polarimatrix
| style="width:100px;" | Multiple runs
| style="width:150px;" | Runs at the center frequency fc
| style="width:100px;" | None
| style="width:180px;" | Considers one pair of active transmitter and receiver at each simulation run to model a mobile communication link
| style="width:180px;" | Polarimatrix
| style="width:100px;" | Multiple runs
| style="width:150px;" | Runs at the center frequency fc
| style="width:100px;" | Requires the same number of transmitters and receivers