Radar Field Analyser - RFA641 Edition Date: 28-Feb-18
• Input of transmission parameters of the radar (power, frequency, gain)
• Input of interfacing parameters of the target injection (beamwidth, pulsewidth, RCS of targets, etc.)
• Booting of RFA641 with automatic detection of IPR (interrogations per revolutions)
• Simulation of one target with live calculation of return power for educational purposes
• Compilation of the scenario with indication of generated power
• Start of scenario replay
• Stop of scenario replay
10.2. Trajectory Scenario Generator
More information regarding the Trajectory Scenario Generator can be found in the RES user manual (section
9.10.4).
10.3. Scenario Replay
10.3.1. Getting Started
The scenario replay requires a number of distinct steps and preparation of a number of files:
• The tool requires a correct Vertical antenna Diagram, in the file format used for PSR vertical
diagrams (solars). For this purpose, the solar tool can be used to measure a VPD, or the “View VPD
Curves” tool can be used for the editing/importing of any Vertical diagram in the tool.
• The tool requires a site file, which contains the PSR antenna gain (absolute) and the k factor (or
vertical earth model). This file can be edited or created from within the replay tool.
• The actual scenario file. This file can be generated by means of the trajectory scenario generator
also used for the RES tool. The output file xxx.S4TJ is used to generate the targets. This file can be
verified prior to replay using the inventory tool.
The RFA641 set-up is shown in Annex 12: RFA Primary Target Injection Connection Diagram.
Please bear in mind the remarks of section 10.1.1. Calculation of External Attenuation.
Select the software from the Scenario Generation button on the PSR side of the RASS-S toolbox.
IE-UM-00165-005 RFA641 User Manual.odt 91/110
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