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lab1/sensors/radar/ttr_radar.txt
2025-09-12 15:20:28 +08:00

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# ****************************************************************************
# CUI
#
# The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
#
# The use, dissemination or disclosure of data in this file is subject to
# limitation or restriction. See accompanying README and LICENSE for details.
# ****************************************************************************
# * * ************************************** * *
# * ****** Demonstration input file ****** *
# * ****** UNCLASSIFIED ****** *
# * * ************************************** * *
antenna_pattern TTR_RADAR_ANTENNA
sine_pattern
peak_gain 20 dB
minimum_gain -10.0 db
azimuth_beamwidth 1 deg
elevation_beamwidth 1 deg
end_sine_pattern
end_antenna_pattern
clutter_model TTR_RADAR_SEARCH_CLUTTER surface_clutter
end_clutter_model
clutter_model TTR_RADAR_ACQUIRE_CLUTTER surface_clutter
end_clutter_model
clutter_model TTR_RADAR_TRACK_CLUTTER surface_clutter
end_clutter_model
sensor TTR_RADAR WSF_RADAR_SENSOR
#show_calibration_data
selection_mode multiple
slew_mode azimuth_and_elevation
azimuth_slew_limits -180 deg 180 deg
elevation_slew_limits 0.0 deg 80.0 deg
mode_template
one_m2_detect_range 35.0 nm
antenna_height 4.0 m
transmitter
antenna_pattern TTR_RADAR_ANTENNA
power 100.0 kw
frequency 9500 mhz
internal_loss 2 db
attenuation blake
pulse_width 0.8 usec
pulse_repetition_interval 12.0 usec
duty_cycle 0.067 # 10*log10(0.8/12) = -11.76 dB loss
end_transmitter
receiver
antenna_pattern TTR_RADAR_ANTENNA
bandwidth 500.0 khz
noise_power -160 dBw # will be calibrated for 1 m^2
internal_loss 7 dB
end_receiver
swerling_case 1
probability_of_false_alarm 1.0e-6
detector_law linear
compute_measurement_errors true
reports_range
reports_bearing
reports_elevation
reports_velocity
end_mode_template
mode SEARCH
frame_time 4.0 sec
maximum_request_count 1
cue_mode azimuth
scan_mode azimuth_and_elevation
azimuth_scan_limits -10 deg 10 deg
elevation_scan_limits 0 deg 40 deg
hits_to_establish_track 3 5
hits_to_maintain_track 1 3
track_quality 0.6
on_success TRACK
end_mode
mode ACQUIRE
frame_time 2.0 sec
maximum_request_count 1
scan_mode azimuth_and_elevation
azimuth_scan_limits -5 deg 5 deg
elevation_scan_limits -5 deg 5 deg
hits_to_establish_track 3 5
hits_to_maintain_track 1 3
track_quality 0.8 // near 'weapons' grade
end_mode
mode TRACK
frame_time 1.0 sec
maximum_request_count 6
scan_mode azimuth_and_elevation
azimuth_scan_limits -1 deg 1 deg
elevation_scan_limits -1 deg 1 deg
receiver
bandwidth 250.0 hz
noise_power -175 dBw // will be calibrated for 1 m^2
internal_loss 7 dB
end_receiver
clutter_model TTR_RADAR_TRACK_CLUTTER
hits_to_establish_track 3 5
hits_to_maintain_track 1 3
track_quality 1.0 // 'weapons' grade
end_mode
end_sensor