263 lines
8.6 KiB
Plaintext
263 lines
8.6 KiB
Plaintext
# ****************************************************************************
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# CUI
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#
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# The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
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#
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# The use, dissemination or disclosure of data in this file is subject to
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# limitation or restriction. See accompanying README and LICENSE for details.
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# ****************************************************************************
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##############################################################################
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#
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# File: generic_file_control_radar.txt
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#
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# Specify GENERIC_FIRE_CONTROL_RADAR
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# This version is designed to be placed on a ground or naval platform.
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# Keys to moving to a different platform are
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# location 0 0 -30 m // 30 m above platform
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# elevation_slew_limits -5.0 degrees 85 degrees
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#
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# ***** NOTICE *****
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#
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# This definition is not intended to be representative of the real system.
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# Some undefined characteristics of the system have been provided so the
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# achieved performance matches the values defined in the noted references.
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#
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# Reference:
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# unknown
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#
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# June 08: added to wiki
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#
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# UNCLASSIFIED
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###############################################################################
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#
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# SNIPPET: example of how the sensor could be included in a simulation
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#
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// include_once generic_fire_control_radar.txt
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//
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// ... simulation setup & initialization commands
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//
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#---#---#---
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# setup a platform that will contain the fire control radar
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#---#---#---
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//platform sensor_platform LARGE_SHIP_TYPE
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// icon Sovremennyy # good 3D option for large boats
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// side red
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// heading 0.0 deg
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//
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// route
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// position 07:06:00n 117:11:16e altitude 300 m msl
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// speed 30 knots
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// position 08:21:12n 117:11:16e altitude 300 m msl
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// speed 30 knots
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// end_route
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//
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#---#---#---
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# Add the Fire Control Radar sensor
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#---#---#---
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// add sensor fc-radar GENERIC_FIRE_CONTROL_RADAR
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// on # initialize sensor as 'on'
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// debug # print debug info about sensor operation
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// location 0 0 -20 m
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// ignore catSatellite
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// end_sensor
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//
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#---#---#---
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# Add a sensor that will initiate the 'start track' needed by the
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# Fire Control Radar
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#---#---#---
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// add sensor search_radar BLUE_SHIP_MF_RADAR
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// on
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// debug
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// location 0 0 -20 m
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// processor track_manager
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// ignore catSatellite
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// end_sensor
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//
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#---#---#---
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# Add processsors and state machine that control the Fire Control Radar mode
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#---#---#---
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// add processor track_manager WSF_TRACK_PROCESSOR
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// drop_after_inactive 1 min
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// end_processor
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//
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// add processor thinker WSF_TASK_PROCESSOR
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//
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// script bool ShouldICancel()
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// bool shouldCancel=false;
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// if (TRACK.IFF_Friend() ||
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// (! TRACK.WithinZoneOf(PLATFORM, "engage_zone")) ||
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// //(TasksReceivedFor(TRACK.TrackId()) == 0) || can self engage
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// //(! WeaponsRemaining()) ||
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// (PLATFORM.RelativeAltitudeOf(TRACK) > 5747) ||
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// (PLATFORM.RelativeHeadingOf(TRACK) > 179.51) ||
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// (PLATFORM.RelativeOffsetOf(TRACK) > 42250) ||
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// (PLATFORM.GroundRangeTo(TRACK) > 45250))
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// {
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// shouldCancel = true;
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// }
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//
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// return shouldCancel;
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// end_script
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//
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// script void ReleaseResources()
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// // Cancel any tasks I have assigned this track
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// CancelTask(TRACK.TrackId(), "");
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// // If I received an assignment for this track the inform I'm done
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// if (TasksReceivedFor(TRACK.TrackId()) != 0)
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// {
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// TaskComplete(TRACK.TrackId(), "");
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// }
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// end_script
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//
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// // DETECTED is the initial state and the state where tracks reside
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// // until they are determined to be of interest.
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// evaluation_interval DETECTED 2.0 sec
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// state DETECTED
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//
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// next_state TRACKING
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// if (ShouldICancel())
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// {
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// ReleaseResources();
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// return true;
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// }
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//
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// StartTracking(TRACK, "Track", "fc-radar", "TRACK", PLATFORM);
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// return true;
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// end_next_state
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// end_state
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//
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// evaluation_interval TRACKING 2.0 sec
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// state TRACKING
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// next_state TRACKING
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// return true;
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// end_next_state
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// end_state
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// end_processor
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//
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//end_platform
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#
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###############################################################################
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antenna_pattern GENERIC_FIRE_CONTROL_RADAR_ANTENNA_PATTERN
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circular_pattern
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beamwidth 1.0 deg
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peak_gain 30 dB
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end_circular_pattern
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end_antenna_pattern
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sensor GENERIC_FIRE_CONTROL_RADAR WSF_RADAR_SENSOR
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#-- Platform Part Commands
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off # default
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no_debug # default
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//debug_scheduler
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//debug_tracker
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#-- Articulated Part Commands
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# Slew mode and limits, yaw, pitch, & roll info goes here
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location 0 0 -20 m
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slew_mode azimuth_and_elevation
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azimuth_slew_limits -180.0 degrees 180 degrees
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elevation_slew_limits -5.0 degrees 85 degrees
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#-- Sensor Level Commands
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show_calibration_data # display radar characteristics
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selection_mode multiple # can have more than one mode active at a time
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#-- Detection Scheduling Commands
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# none at this time
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# Maximum number of targets being engaged: 6
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# Maximum number of missles being guided: 12
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# The mode_template specifies a common set of parameters for
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# all modes of the radar.
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# Note that individual modes may override the template values.
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mode_template
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# Given that 18 total objects can be tracked,
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# we'll assume that the dwell time is 1/18 of the revist time.
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# The value of the revist time is not known so we'll simply assume 1 second.
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# This will give 'reasonable' track update rates.
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frame_time 1 sec
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revisit_time 1 sec
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dwell_time 0.0555555 sec # 1/18 sec
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#-- Beam Commands
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transmitter
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antenna_pattern GENERIC_FIRE_CONTROL_RADAR_ANTENNA_PATTERN
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power 250 kw
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frequency 3 ghz
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pulse_repetition_frequency 250 hz
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//internal_loss 10 db
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end_transmitter
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receiver
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antenna_pattern GENERIC_FIRE_CONTROL_RADAR_ANTENNA_PATTERN
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bandwidth 1 mhz
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//internal_loss 19 dB
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end_receiver
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swerling_case 1
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number_of_pulses_integrated 44 # integrated by Marcum-Swerling detector
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detector_law square
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probability_of_false_alarm 1.0e-6
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# Field of view is used to cull targets, usually set larger than scan limits
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# -5 deg detects ships more than 457.19 ft (139.35 m) away
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# -10 deg detects ships more than 226.85 ft (69.14 m) away
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azimuth_field_of_view -60.0 deg 60.0 deg
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elevation_field_of_view -5.0 deg 65.0 deg # detects surface ships
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//elevation_field_of_view 5.0 deg 65.0 deg # okay for aircraft
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azimuth_error_sigma 0.03 deg
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elevation_error_sigma 0.03 deg
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//TODO range_error_sigma 2 km
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range_error_sigma 100 m
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#-- Track Formation Commands
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reports_bearing
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reports_elevation
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reports_frequency
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reports_location
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reports_velocity
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reports_iff
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end_mode_template
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mode ACQUIRE
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# Search to acquire tracks
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scan_mode azimuth_and_elevation
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azimuth_scan_limits -4.0 degrees 4.0 degrees
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elevation_scan_limits -4.0 degrees 4.0 degrees
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# If maximum_request_count > 0 then this mode only responds
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# to explicit requests as initiated by WsfTaskManager::StartTracking.
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maximum_request_count 1
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track_quality 0.8 # Near 'weapon quality'
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hits_to_establish_track 3 5 # 3 of last 5 scans to establish track
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hits_to_maintain_track 1 5 # 1 of last 5 scans to maintain track
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on_success TRACK
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end_mode
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mode TRACK
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# Allow the sensor to continue search processing while also performing tracking.
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# This mode does not 'scan'. The target must be in the beam.
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# If maximum_request_count > 0 then this mode only responds
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# to explicit requests as initiated by WsfTaskManager::StartTracking.
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maximum_request_count 6
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track_quality 1.0 # 'weapon quality'
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hits_to_establish_track 3 5 # 3 of last 5 scans to establish track
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hits_to_maintain_track 1 5 # Allow 5 seconds of coasting (5th failure will drop)
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end_mode
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#-- Filter commands
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filter WSF_ALPHA_BETA_FILTER
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alpha 0.6
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beta 0.2
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end_filter
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end_sensor
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