Sensor Events

These are the event_output events related to the sensor.

IMAGE_CREATED

event_output Signature:

<time> <event> <sensor-platform> sensor: <sensor> Mode: <sensor-mode>   Creation_Time: <time> Number: <image-number> Size: <size> bits   Originator: LLA: <lat> <lon> <alt> m   Resolution: <resolution> m Noise_Level: <SNR> dB Background_Level: <CNR> dB Object_Count: <count>   Object: Name: <truth-name> Type: <truth-type> Side: <truth-side>
    Pixel_Count: <pixel-count> S/N: <signal-to-noise> dB Scale_Factor: <factor>

Signature Elements:

Field	Description
<time>	The current simulation time
<event>	The event name
<sensor>	The sensor name
<sensor-mode>	The mode the sensor is in
<time>	The time the image was created
<image-number>	The image serial number
<size>	The image size in bits
<lat> <lon> <alt>	The position of the originating platform; altitude is in meters
<resolution>	The image resolution
<SNR>	The signal-to-noise ratio
<count>	The number of objects contained in the image
<truth-name>	The name of the actual platform
<truth-type>	The type of the actual platform
<truth-side>	The side of the actual platform
<pixel-count>	The approximate number of pixels contained in the image
<signal-to-noise>	The signal-to-noise ratio
<factor>	The scale factor

SENSOR_BROKEN

This event has not been documented yet.

SENSOR_DETECTION_ATTEMPT

event_output Signature:

<time> <event> <sensor-platform> <target-platform> Sensor: <sensor-name> Mode: <sensor-mode> Beam: <beam-index>
<emi-data>
<failures>
Pd: <pd> RequiredPd: <required-pd> Detected: <detected>

SENSOR_DETECTION_ATTEMPT Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<sensor-platform>	Name of platform hosting sensor
<target-platform>	Name of a valid target or “UNKNOWN-TARGET”

<sensor-result-data>

Condition	Field	Description
none	<namesensor>	The name of the sensor
If the mode count > 0	<modesensor>	The name of the sensor mode
none	<indexbeam>	The index of the sensor beam that resulted in the best probability of detection
none	<emi-data>	See emi-data
If any failure occurred	<failures>	Any reason that the sensor detection failed, which is one or more of: Target_Concealed Doppler_Limits_Exceeded Velocity_Limits_Exceeded Target_Deleted Detection_Stopped
none	<pdactual> <pdrequired> <detected>	The actual probability of detection The required probability of detection for the transmitter or receiver to see the target One of: 0 (not detected) 1 (detected)

SENSOR_DETECTION_CHANGED

event_output Signature:

<time> <event> <sensor-platform> <target-platform> Sensor: <sensor-name> Mode: <sensor-mode> Beam: <beam-index>
<emi-data>
<failures>
Pd: <pd> RequiredPd: <required-pd> Detected: <detected>

SENSOR_DETECTION_CHANGED Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<sensor-platform>	Name of platform hosting sensor
<target-platform>	Name of a valid target or “UNKNOWN-TARGET”

<sensor-result-data>

Condition	Field	Description
none	<namesensor>	The name of the sensor
If the mode count > 0	<modesensor>	The name of the sensor mode
none	<indexbeam>	The index of the sensor beam that resulted in the best probability of detection
none	<emi-data>	See emi-data
If any failure occurred	<failures>	Any reason that the sensor detection failed, which is one or more of: Target_Concealed Doppler_Limits_Exceeded Velocity_Limits_Exceeded Target_Deleted Detection_Stopped
none	<pdactual> <pdrequired> <detected>	The actual probability of detection The required probability of detection for the transmitter or receiver to see the target One of: 0 (not detected) 1 (detected)

SENSOR_FREQUENCY_CHANGED

event_output Signature:

<time> <event> <platform> Sensor: <sensor-name> Mode: <mode-name> \
  LLA: <lat> <lon> <alt> m \
  [Beam: <beam-number> Frequency Id: <id> Frequency: <frequency>] [\]
  ...

Note

There may be one or more frequency detail entries for this event, one for each beam defined for the sensor mode. This event may occur when a mode is not selected and does not necessarily represent an active transmitter frequency change.

SENSOR_FREQUENCY_CHANGED Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of communications platform
<sensor-name>	Name of the sensor
<mode-name>	Sensor mode (modes are defined in user input file)
<lat> <lon> <alt>	The platform location; altitude is always in meters
<beam-number>	The sensor mode beam number for this frequency detail entry
<id>	The beam transmitter frequency Id setting from the configured alternate frequency list
<frequency>	The beam transmitter frequency setting that corresponds to the frequency Id

SENSOR_MODE_ACTIVATED

event_output Signature:

<time> <event> <platform> sensor: <name> Mode: <mode>   LLA: <lat> <lon> <alt> m

SENSOR_MODE_ACTIVATED Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of platform that hosts sensor
<name>	Name of sensor affected
<mode>	Sensor mode (modes are defined in user input file)
<lat> <lon> <alt> m	The platform location; altitude is always in meters

SENSOR_MODE_DEACTIVATED

event_output Signature:

<time> <event> <platform> sensor: <name> Mode: <mode>   LLA: <lat> <lon> <alt> m

SENSOR_MODE_DEACTIVATED Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of platform that hosts sensor
<name>	Name of sensor affected
<mode>	Sensor mode (modes are defined in user input file)
<lat> <lon> <alt>	The platform location; altitude is always in meters

SENSOR_NON_OPERATIONAL

This event has not been documented yet.

SENSOR_OPERATIONAL

This event has not been documented yet.

SENSOR_REQUEST_CANCELED

event_output Signature:

<time> <event> <platform> <track-target-name> sensor: <name> TrackId: <id>

SENSOR_REQUEST_CANCELED Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of platform hosting sensor
<track-target-name>	Valid target name, trackid, or if track pointer is unavailable, ” UNKNOWN”
<name>	Name of sensor requesting change
<id>	Track id being modified

SENSOR_REQUEST_INITIATED

event_output Signature:

<time> <event> <platform> <track-target-name> sensor: <name> Mode: <name> TrackId: <id> Start_Time: <timestart> Update_Time: <timeupdate> Update_Count: <countupdate> Quality: <trackquality> Domain: <domainspatial> Type: <flagtype><flagcandidate><flagfalse target>
{ Target_Truth: Name: <platformname> Type: <platformtype> Side: <platformside> }
Originator: { <locationLLA> | <locationeci> }
{ Track: { <locationLLA> | <locationeci> } Flags: { <flagLV > }{ <flag3D> }{ <flagRV> }{ <flagBV> }{ <flagEV> } }
{ Truth: { <locationLLA> | <locationeci> } Difference: <|r|perceived - actual> }
{ { Track: Vel: <|v|perceived> m/s Hdg: <hdgperceived> deg } { Truth: Vel: <|v|actual> m/s Hdg: <hdgactual> deg } }
{ Track: { Range: <rangeperceived> m } { Bearing: <brgperceived> deg } { Elevation: <elperceived> deg } }
{ { Truth: Range: <rangeactual> m } { Bearing: <brgactual> deg } { Elevation: <elactual> deg } }
{ Measurement_Error_Sigma: { Range: <SErange> m } { Bearing: <SEbrg>> deg } { Elevation: <SEel> deg } }
{ Type_IDs: [{ <typeid> (<typequality>) }] | Type_ID: <typeid> } { Side_ID: <sideid> } { Signal-To-Noise: <log(S/N)> } { Pixel_Count: <pixel-count> }
{ Frequency: [{ (<flower> <fupper>) }] }
{ Aux_Data: <aux-data> }
{ Measurement_Covariance: Major Axis: <major-axis> m Minor Axis: <minor-axis> m Bearing: <brg> deg \ }
{ State_Covariance: Major Axis: <major-axis> m Minor Axis: <minor-axis> m Bearing: <brg> deg }
{ Residual_Covariance: Major Axis: <major-axis> m Minor Axis: <minor-axis> m Bearing: <brg> deg }

SENSOR_REQUEST_INITIATED Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of platform hosting sensor
<track-target-name>	Valid target name, trackid, or if track pointer is unavailable, ” UNKNOWN”
<name>	Name of sensor requesting change
<name>	Sensor mode name (modes are entered in user input file)
<id>	Track id being modified

Note

Track refers to the perceived target. Truth refers to the actual target.

track-data

Condition	Field	Description
none	<flagtype>	One of: ‘F’ (filtered sensor) ‘M’ (unfiltered sensor) ‘I’ (predefined or pre-briefed) ‘P’ (processed) ‘S’ (static image) ‘V’ (pseudo sensor) ‘U’ (other or unknown)
If the track is a “candidate” track	<flagcandidate>	‘C’
If the track is a false target track	<flagfalse target>	‘F’
If the track location is valid	<flagLV>	‘L’
If the track is 3D	<flag3D>	‘3’
If the track range is valid	<flagRV>	‘R’
If the track bearing is valid	<flagBV>	‘B’
If the track elevation is valid	<flagEV>	‘E’
If the target platform exists {
If the the track location is valid OR the track range AND elevation is valid	<|r|perceived - actual>	Note The distance is in the NED reference frame.
}
If the track velocity is valid {	<|v|perceived> <hdgperceived>
If the truth exists {	<|v|actual> <hdgactual>
} }
If the track location, range, bearing, OR elevation is valid {
If the track range OR location is valid	<rangeperceived>
If the track bearing OR location is valid	<brgperceived>
If the track elevation OR location is valid	<hdgperceived>
If the truth range OR location is valid	<rangeactual>
If the truth bearing OR location is valid	<brgactual>
If the truth elevation OR location is valid	<elactual>
If the track is an unfiltered sensor AND has measurement error {
If the range error is non-zero	<SErange>	The standard error in the range measurement
If the bearing error is non-zero	<SEbrg>	The standard error in the bearing measurement
If the elevation error is non-zero	<SEel>	The standard error in the elevation measurement
} }
If the type IDs are valid AND there are more than one type ID {
For every type ID {	<typeid> <typequality>
} }
Else (there is only one type ID) {
If the type ID is valid	<typeid>
}
If the side ID is valid	<sideid>
If the signal-to-noise is valid	<S/Nlog>
If the pixel count is valid	<pixel-count>	The pixel count from the image that created the track Note This will be zero if not from an image
If the frequency is valid {	<signal-count>
For every signal {	<flower> <fupper>	The lower bound of the frequency interval The upper bound of the frequency interval
} }
If the track has auxiliary data	<aux-data>
If specified to print track covariance {
If the measurement covariance is valid	<covarianceM>	The measurement covariance of the track
If the state covariance is valid	<covarianceS>	The state covariance of the track
}
If specified to print the track residual covariance	<covarianceR>	The residual covariance of the track

SENSOR_REQUEST_UPDATED

event_output Signature:

<time> <event> <platform> <track-target-name> sensor: <name> Mode: <name> TrackId: <id> Start_Time: <timestart> Update_Time: <timeupdate> Update_Count: <countupdate> Quality: <trackquality> Domain: <domainspatial> Type: <flagtype><flagcandidate><flagfalse target>
{ Target_Truth: Name: <platformname> Type: <platformtype> Side: <platformside> }
Originator: { <locationLLA> | <locationeci> }
{ Track: { <locationLLA> | <locationeci> } Flags: { <flagLV > }{ <flag3D> }{ <flagRV> }{ <flagBV> }{ <flagEV> } }
{ Truth: { <locationLLA> | <locationeci> } Difference: <|r|perceived - actual> }
{ { Track: Vel: <|v|perceived> m/s Hdg: <hdgperceived> deg } { Truth: Vel: <|v|actual> m/s Hdg: <hdgactual> deg } }
{ Track: { Range: <rangeperceived> m } { Bearing: <brgperceived> deg } { Elevation: <elperceived> deg } }
{ { Truth: Range: <rangeactual> m } { Bearing: <brgactual> deg } { Elevation: <elactual> deg } }
{ Measurement_Error_Sigma: { Range: <SErange> m } { Bearing: <SEbrg>> deg } { Elevation: <SEel> deg } }
{ Type_IDs: [{ <typeid> (<typequality>) }] | Type_ID: <typeid> } { Side_ID: <sideid> } { Signal-To-Noise: <log(S/N)> } { Pixel_Count: <pixel-count> }
{ Frequency: [{ (<flower> <fupper>) }] }
{ Aux_Data: <aux-data> }
{ Measurement_Covariance: Major Axis: <major-axis> m Minor Axis: <minor-axis> m Bearing: <brg> deg \ }
{ State_Covariance: Major Axis: <major-axis> m Minor Axis: <minor-axis> m Bearing: <brg> deg }
{ Residual_Covariance: Major Axis: <major-axis> m Minor Axis: <minor-axis> m Bearing: <brg> deg }

SENSOR_REQUEST_UPDATED Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of platform hosting sensor
<track-target-name>	Valid target name, trackid, or if track pointer is unavailable, ” UNKNOWN”
<name>	Name of sensor requesting change
<name>	Sensor mode name (modes are entered in user input file)
<id>	Track id being modified

Note

Track refers to the perceived target. Truth refers to the actual target.

track-data

Condition	Field	Description
none	<flagtype>	One of: ‘F’ (filtered sensor) ‘M’ (unfiltered sensor) ‘I’ (predefined or pre-briefed) ‘P’ (processed) ‘S’ (static image) ‘V’ (pseudo sensor) ‘U’ (other or unknown)
If the track is a “candidate” track	<flagcandidate>	‘C’
If the track is a false target track	<flagfalse target>	‘F’
If the track location is valid	<flagLV>	‘L’
If the track is 3D	<flag3D>	‘3’
If the track range is valid	<flagRV>	‘R’
If the track bearing is valid	<flagBV>	‘B’
If the track elevation is valid	<flagEV>	‘E’
If the target platform exists {
If the the track location is valid OR the track range AND elevation is valid	<|r|perceived - actual>	Note The distance is in the NED reference frame.
}
If the track velocity is valid {	<|v|perceived> <hdgperceived>
If the truth exists {	<|v|actual> <hdgactual>
} }
If the track location, range, bearing, OR elevation is valid {
If the track range OR location is valid	<rangeperceived>
If the track bearing OR location is valid	<brgperceived>
If the track elevation OR location is valid	<hdgperceived>
If the truth range OR location is valid	<rangeactual>
If the truth bearing OR location is valid	<brgactual>
If the truth elevation OR location is valid	<elactual>
If the track is an unfiltered sensor AND has measurement error {
If the range error is non-zero	<SErange>	The standard error in the range measurement
If the bearing error is non-zero	<SEbrg>	The standard error in the bearing measurement
If the elevation error is non-zero	<SEel>	The standard error in the elevation measurement
} }
If the type IDs are valid AND there are more than one type ID {
For every type ID {	<typeid> <typequality>
} }
Else (there is only one type ID) {
If the type ID is valid	<typeid>
}
If the side ID is valid	<sideid>
If the signal-to-noise is valid	<S/Nlog>
If the pixel count is valid	<pixel-count>	The pixel count from the image that created the track Note This will be zero if not from an image
If the frequency is valid {	<signal-count>
For every signal {	<flower> <fupper>	The lower bound of the frequency interval The upper bound of the frequency interval
} }
If the track has auxiliary data	<aux-data>
If specified to print track covariance {
If the measurement covariance is valid	<covarianceM>	The measurement covariance of the track
If the state covariance is valid	<covarianceS>	The state covariance of the track
}
If specified to print the track residual covariance	<covarianceR>	The residual covariance of the track

SENSOR_TURNED_OFF

event_output Signature:

<time> <event> <platform> sensor: <name> Type: <type>

SENSOR_TURNED_OFF Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of platform hosting sensor
<name>	Sensor name being affected
<type>	Sensor type (e.g., ATC_SENSOR)

SENSOR_TURNED_ON

event_output Signature:

<time> <event> <platform> sensor: <name> Type: <type>

SENSOR_TURNED_ON Signature Elements

Fields	Description
<time>	The current simulation time
<event>	The event name
<platform>	Name of platform hosting sensor
<name>	Sensor name being affected
<type>	Sensor type (e.g., ATC_SENSOR)