# **************************************************************************** # 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_radar_10nm.txt # # Define Generic Radar - Detects 1 m^2 target at 10 nm # # ***** 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: # Most values were derived from a basic TPS-1D radar. # Cited Data sources: # (A) l of AN/TPS-1D search radar. # Ref: "Radar System Analysis", Barton, P 238 # # June 08: added to file repository # # UNCLASSIFIED ############################################################################### # Includes: # antenna_pattern: receive/transmit pattern # sensor: # one_m2_detect_range # frame time # scan mode # pitch # azimuth & elevation scan limits # minimum & maximum range # azimuth_field_of_view & elevation_field_of_view # slew_mode, azimuth_slew_limits, & elevation_slew_limits # transmitter: uses predefined antenna pattern, antenna_tilt, # power, & frequency # receiver: detection_threshold & bandwidth # signal_processor simple_doppler # minimum_doppler_speed # end_signal_processor # number of pulses integrated # detector law # swerling case # probability of false alarm # error sigmas: azimuth, elevation, & range # Kalman filter specification # hits to establish track and hits to maintain track # ############################################################################### # # 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_radar_10nm.txt // // ... simulation setup & initialization commands # # Setup a platform with generic radar # //platform_type COMMAND_TOWER_TYPE WSF_PLATFORM // icon Tower // side gray // category catTower // // radar_signature TOWER_RADAR_SIGNATURE // optical_signature TOWER_OPTICAL_SIGNATURE // // processor track_manager WSF_TRACK_PROCESSOR // on // report_interval 1 sec // report_raw_tracks // end_processor // // sensor ground-radar GENERIC_RADAR_10NM # includes antenna pattern // on // debug // yaw 0.0 deg # position to point toward targets // processor track_manager // end_sensor // // end_platform_type // // // 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_RADAR_10NM // 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_type UAV_TYPE WSF_PLATFORM // icon predator # or: Global_Hawk, predator, ucav, UCAV_Navy // side gray // category catUAV // // radar_signature ONE_M_SQUARED_RADAR_SIGNATURE // optical_signature ONE_M_SQUARED_OPTICAL_SIGNATURE // // mover WSF_AIR_MOVER // roll_rate_limit 1 rad/sec // default_linear_acceleration 1.0 g // default_radial_acceleration 6.5 g // default_climb_rate 17.3 fps // maximum_speed 130.0 knots // maximum_altitude 15000 ft // minimum_altitude 50 ft // maximum_linear_acceleration 8 g // end_mover // // end_platform_type // // 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 // // ... event output specifications # ############################################################################### # Basic Antenna pattern antenna_pattern GENERIC_RADAR_10NM_ANTENNA_PATTERN # (A) 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 Radar sensor. Designed to detect 1 m^2 at 10 nm. sensor GENERIC_RADAR_10NM WSF_RADAR_SENSOR #-- Platform Part Commands off # default no_debug # default #-- Articulated Part Commands # Set scan_mode (fixed, azimuth, elevation, both, azimuth_and_elevation) scan_mode both # Default: fixed # Slew mode and limits, yaw, pitch, & roll info goes here slew_mode azimuth azimuth_scan_limits -180.0 deg 180.0 deg # Default: -180.0 deg 180.0 deg elevation_scan_limits 0.0 deg 5.0 deg # Default: -90.0 90.0 //minimum_range 0 nm maximum_range 160 nm azimuth_field_of_view -60.0 deg 60.0 deg # 120 degrees symmetric elevation_field_of_view -22.5 deg 22.5 deg # 45 degrees symmetric //azimuth_slew_limits -45 deg 45 deg # Default: -57.29 deg 57.29 deg //elevation_slew_limits -5 deg 25 deg # Default: -28.64 deg 28.64 deg #-- Sensor Level Commands show_calibration_data # display radar characteristics #-- Detection Scheduling Commands # none at this time #-- Detection Scheduling Commands frame_time 10 sec # rotating antenna scan rate = 6 RPM # Specify pitch of plane for antenna rotation (Default: 0) //pitch 0 deg #-- Beam Commands # NOTE: Both range_product & one_m2_detect_range force radar equation # to adjust parameters so detection occurs at a specific range. # Use one or the other. # Specify maximum detection range for a target with one square meter one_m2_detect_range 10.0 nm transmitter antenna_pattern GENERIC_RADAR_10NM_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 # peak power frequency 3 ghz # nominal S-band frequency # (for detection & tracking) end_transmitter receiver detection_threshold 12 dB # From Eric Auger bandwidth 2 mhz # From Eric Auger end_receiver // signal_processor simple_doppler # Default "minimum_doppler_speed" is zero # (e.g., minimum_doppler_speed 0 kts) # TPS-1D does not do Doppler processing // minimum_doppler_speed 0 kts // end_signal_processor number_of_pulses_integrated 1 detector_law linear swerling_case 4 probability_of_false_alarm 1.0e-6 azimuth_error_sigma 0.001 deg elevation_error_sigma 0.001 deg range_error_sigma 7.0 m filter WSF_KALMAN_FILTER range_measurement_sigma 1 m elevation_measurement_sigma 0.001 deg bearing_measurement_sigma 0.001 deg process_noise_sigmas_XYZ 1.0 1.0 1.0 end_filter # Default value for "hits_to_establish_track" is 1 1 # (e.g., hits_to_establish_track 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 # (e.g., hits_to_maintain_track 1 1) hits_to_maintain_track 1 4 // 1 of last 4 scans to maintain track #-- Track Formation Commands reports_bearing reports_elevation reports_frequency reports_location reports_range reports_velocity end_sensor