117 lines
4.0 KiB
Plaintext
117 lines
4.0 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.
|
||
|
|
# ****************************************************************************
|
||
|
|
#############################################################################
|
||
|
|
# A generic IRST (InfrRed Search and Track) sensor
|
||
|
|
#
|
||
|
|
# ***** NOTICE *****
|
||
|
|
#
|
||
|
|
# This definition is not intended to be representive 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: none
|
||
|
|
# UNCLASSIFIED
|
||
|
|
#############################################################################
|
||
|
|
#
|
||
|
|
# SNIPPET: example of how this sensor could be included in a simulation
|
||
|
|
#
|
||
|
|
# include_once generic_irst.txt
|
||
|
|
#
|
||
|
|
# ... simulation setup & initialization commands
|
||
|
|
#
|
||
|
|
# platform_type MISSILE_PLATFORM WSF_PLATFORM
|
||
|
|
# icon missile
|
||
|
|
# mover WSF_AIR_MOVER
|
||
|
|
# ... mover commands
|
||
|
|
# end_mover
|
||
|
|
# end_platform_type
|
||
|
|
#
|
||
|
|
# platform sensor_test MISSILE_PLATFORM
|
||
|
|
# side blue
|
||
|
|
# heading 0.0 deg
|
||
|
|
# route
|
||
|
|
# position 35:00n 118:15w altitude 20000 ft heading 90 deg
|
||
|
|
# speed 1200 kts
|
||
|
|
# extrapolate
|
||
|
|
# end_route
|
||
|
|
#
|
||
|
|
# add sensor irst_sensor GENERIC_IRST
|
||
|
|
# on # initialize sensor as 'on'
|
||
|
|
# debug # print debug info about sensor operation
|
||
|
|
# end_sensor
|
||
|
|
# end_platform
|
||
|
|
#
|
||
|
|
#############################################################################
|
||
|
|
|
||
|
|
sensor GENERIC_IRST WSF_IRST_SENSOR
|
||
|
|
|
||
|
|
#-- Platform Part Commands
|
||
|
|
off # default
|
||
|
|
no_debug # default
|
||
|
|
|
||
|
|
#-- Articulated Part Commands
|
||
|
|
# Slew mode and limits, yaw, pitch, & roll info goes here
|
||
|
|
|
||
|
|
#-- Antenna Commands
|
||
|
|
azimuth_field_of_view -45 deg 45 deg
|
||
|
|
elevation_field_of_view -45 deg 45 deg
|
||
|
|
|
||
|
|
#-- Detection Scheduling Commands
|
||
|
|
frame_time 0.5 seconds
|
||
|
|
maximum_range 50 nm
|
||
|
|
|
||
|
|
#-- IRST Sensor Mode Commands
|
||
|
|
|
||
|
|
# atmospheric_attenuation is a very simple-minded approach to modeling
|
||
|
|
# propagation. It can also be thought of as the 'rate_of_extinction'.
|
||
|
|
# This should include the effects of scattering and absorbance.
|
||
|
|
#
|
||
|
|
# In reality the propagation would have to consider the wavelength of
|
||
|
|
# the spectral content, the scattering and absorbsion coefficients as a
|
||
|
|
# function of altitude and wavelength as well as environmental effects
|
||
|
|
# such as dust, humidity, etc.
|
||
|
|
atmospheric_attenuation 0.05 per km
|
||
|
|
|
||
|
|
# Background_radiance is a very simple-minded approach to modeling
|
||
|
|
# the background radiance. In reality it is a function of many
|
||
|
|
# variables time of day (and hence, sun position), temperature, and many
|
||
|
|
# other environmental effects.
|
||
|
|
background_radiance 500 microwatts/cm^2/sr
|
||
|
|
|
||
|
|
# Set operating band of the sensor as one of following:
|
||
|
|
# short 1 - 3 microns
|
||
|
|
# medium 3 - 5 microns
|
||
|
|
# long 8 - 12 microns
|
||
|
|
# very_long 15 - 30 microns
|
||
|
|
band medium
|
||
|
|
|
||
|
|
# Noise Equivalent Irradiance (NEI) is the receiver noise.
|
||
|
|
# The ratio of computed 'signal' and this value must exceed the value of
|
||
|
|
# 'detection_threshold' for a detection to be declared.
|
||
|
|
noise_equivalent_irradiance 1.0E-12 w/cm^2
|
||
|
|
|
||
|
|
# detection_threshold is the signal/noise required for detection.
|
||
|
|
detection_threshold 3.0
|
||
|
|
|
||
|
|
#-- Track Formation Commands
|
||
|
|
azimuth_error_sigma 0.001 deg
|
||
|
|
elevation_error_sigma 0.001 deg
|
||
|
|
range_error_sigma 7.0 m
|
||
|
|
hits_to_establish_track 3 5 #-- 3 of last 5 scans to establish track
|
||
|
|
hits_to_maintain_track 1 4 #-- 1 of last 4 scans to maintain track
|
||
|
|
|
||
|
|
reports_range
|
||
|
|
reports_bearing
|
||
|
|
reports_elevation
|
||
|
|
reports_location
|
||
|
|
reports_signal_to_noise
|
||
|
|
reports_velocity
|
||
|
|
end_sensor
|
||
|
|
|