200 lines
7.0 KiB
Plaintext
200 lines
7.0 KiB
Plaintext
# ****************************************************************************
|
|
# 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.
|
|
# ****************************************************************************
|
|
###############################################################################
|
|
#
|
|
# File: generic_ground_radar.txt
|
|
#
|
|
# ***** NOTICE *****
|
|
#
|
|
# This definition is not intended to be representative of the real system.
|
|
# Some undefined characteristics of the system have been provided so the
|
|
# achieved performance matches the values defined in the noted references.
|
|
#
|
|
# Reference:
|
|
# Based on AN/TPS-1D search radar
|
|
# (A) Model of AN/TPS-1D search radar.
|
|
# Ref: "Radar System Analysis", Barton, P 238
|
|
#
|
|
# June 08: added to file repository
|
|
#
|
|
# UNCLASSIFIED
|
|
###############################################################################
|
|
#
|
|
# Minimum Additional data needed in user's file
|
|
# Specify the location and orientation of the sensor on the platform.
|
|
# (e.g., location 0.0 0.0 -30 m)
|
|
# Specify pitch of plane for antenna rotation (default = 0)
|
|
# (e.g., pitch 0 deg)
|
|
#
|
|
# SNIPPET: example of how the sensor could be included in a simulation
|
|
#
|
|
// include_once generic_ground_radar.txt
|
|
//
|
|
// ... simulation setup & initialization commands
|
|
//
|
|
#
|
|
# Setup a platform with ground radar sensor
|
|
#
|
|
// platform sensor_platform COMMAND_TOWER_TYPE
|
|
// icon Tower # or: Ground_Radar
|
|
// side red
|
|
// category catTower
|
|
//
|
|
// position 00:00:00n 103:49:00e altitude 15 m msl
|
|
// heading 0.0 deg
|
|
//
|
|
// edit sensor GENERIC_GROUND_RADAR
|
|
// frame_time 0.1 sec
|
|
// elevation_field_of_view -5.0 deg 89.0 deg
|
|
// range_product 194.4 dBsm # overrides 1 m^2 detection
|
|
// transmitter
|
|
// power 0.0000001 MW
|
|
// end_transmitter
|
|
// end_sensor
|
|
//
|
|
// end_platform
|
|
#
|
|
# Setup a target platform
|
|
#
|
|
// platform UAV_|| UAV_TYPE
|
|
// icon Global_Hawk
|
|
// side blue
|
|
// heading 180.0 deg
|
|
//
|
|
// route
|
|
// position 00:50:00n 103:49:00e altitude 300 m msl
|
|
// speed 200 knots
|
|
// position 00:02:00n 103:49:00e altitude 300 m msl
|
|
// speed 200 knots
|
|
// end_route
|
|
// end_platform
|
|
#
|
|
###############################################################################
|
|
|
|
#-- Basic Antenna Pattern
|
|
antenna_pattern GROUND_RADAR_ANTENNA_PATTERN
|
|
constant_pattern
|
|
peak_gain 28 dB # (A) antenna gain
|
|
azimuth_beamwidth 4 deg # (A) azimuth beamwidth
|
|
elevation_beamwidth 10 deg # (A) actual beamwidth
|
|
elevation_beamwidth 10.5 deg # (A) w/ 0.5 deg error
|
|
end_constant_pattern
|
|
end_antenna_pattern
|
|
|
|
#-- Basic Ground Radar Specification
|
|
sensor GENERIC_GROUND_RADAR WSF_RADAR_SENSOR
|
|
|
|
#-- Platform Part Commands
|
|
off # default
|
|
no_debug # default
|
|
|
|
#-- Articulated Part Commands
|
|
pitch 0 deg # default
|
|
|
|
# slew_mode: [fixed|azimuth|elevation|both|azimuth_and_elevation]
|
|
slew_mode azimuth # default: fixed
|
|
|
|
# slew limits define ability of subsystem to respond to cue
|
|
# if not cued, then oriented in direction spec'd by yaw, pitch, & roll
|
|
//azimuth_slew_limits -180 deg 180 deg # default
|
|
//elevation_slew_limits -5 deg 90 deg
|
|
|
|
# The minimum_range, maximum_range, and field of view are not required.
|
|
# They are simply used for quick culling and should be generous.
|
|
# (i.e. the field_of_view limits should be probably be larger than the
|
|
# corresponding slew limit because the beam can probably detect things
|
|
# outside the slew limit).
|
|
minimum_range 0 nm # default = 0
|
|
maximum_range 160 nm # set to maximum "scope limit"
|
|
|
|
# scan mode: [fixed|azimuth|elevation|both|azimuth_and_elevation]
|
|
scan_mode azimuth # default: fixed
|
|
elevation_scan_limits 0.0 deg 5.0 deg # default: -90.0 90.0
|
|
azimuth_scan_limits -180.0 deg 180.0 deg # default
|
|
|
|
#-- Sensor Level Commands
|
|
show_calibration_data # display radar characteristics
|
|
|
|
#-- Detection Scheduling Commands
|
|
frame_time 10 sec # set to 6 RPM (A)
|
|
|
|
#-- Beam Commands
|
|
detector_law linear # [linear|square|log]
|
|
|
|
//signal_processor simple_doppler
|
|
# Default "minimum_doppler_speed" is zero
|
|
# TPS-1D does not do Doppler processing
|
|
// minimum_doppler_speed 0 kts
|
|
//end_signal_processor
|
|
|
|
number_of_pulses_integrated 1
|
|
one_m2_detect_range 65 km
|
|
probability_of_false_alarm 1.0e-6 # Default: 1.0e-8
|
|
swerling_case 4 # Swerling model: [0|1|2|3|4]
|
|
|
|
transmitter
|
|
antenna_pattern GROUND_RADAR_ANTENNA_PATTERN
|
|
|
|
# Enter antenna tilt parameter to specify constant angle of
|
|
# antenna above horizon for all azimuths of its scan.
|
|
# antenna_tilt 5 deg # Actual tilt (optical)
|
|
# antenna_tilt 4.75 deg # Adjusted tilt (allowing for 4/3 earth)
|
|
# antenna_tilt 0 deg # No tilt (used with double-beamwidth)
|
|
antenna_tilt 4.75 deg # (A) w/ 0.5 deg error
|
|
|
|
# NOTE: Any values for peak power and frequency can be entered
|
|
# when using the simple "cookie-cutter" model because
|
|
# range for detecting a target of a specified radar
|
|
# cross section calculated using parameter: "one_m2_detect_range"
|
|
power 100 kw # nominal peak power of radar transmitter
|
|
frequency 3 ghz # nominal frequency of radar transmitter
|
|
|
|
end_transmitter
|
|
|
|
receiver
|
|
# Specify antenna pattern for receiver (see its definition above)
|
|
antenna_pattern GROUND_RADAR_ANTENNA_PATTERN
|
|
|
|
# Enter antenna tilt parameter to specify constant angle of
|
|
# antenna above horizon for all azimuths of its scan.
|
|
# antenna_tilt 5 deg # Actual tilt (optical)
|
|
# antenna_tilt 4.75 deg # Adjusted tilt (allowing for 4/3 earth)
|
|
# antenna_tilt 0 deg # No tilt (used with double-beamwidth)
|
|
antenna_tilt 5 deg
|
|
end_receiver
|
|
|
|
#-- Track Formation Commands
|
|
azimuth_error_sigma 0.001 deg
|
|
elevation_error_sigma 0.001 deg
|
|
range_error_sigma 7.0 m
|
|
|
|
# Default value for "hits_to_establish_track" is 1 1
|
|
hits_to_establish_track 3 5 # 3 of last 5 scans to establish track
|
|
|
|
# Default value for "hits_to_maintain_track" is 1 1
|
|
hits_to_maintain_track 1 4 # 1 of last 4 scans to maintain track
|
|
|
|
#-- Track Formation Commands
|
|
reports_location
|
|
reports_velocity
|
|
reports_range
|
|
reports_bearing
|
|
reports_elevation
|
|
reports_signal_to_noise
|
|
reports_frequency
|
|
//reports_side
|
|
|
|
#-- Track Filter Commands
|
|
filter WSF_ALPHA_BETA_FILTER
|
|
alpha 0.4
|
|
beta 0.1
|
|
end_filter
|
|
|
|
end_sensor
|