Package faa.tg.dynamicDensity.math

Class Summary
AicraftsWithAltitudeChange This object represent calculation of number aircraft with an altitude change greater than 500 feet per minute (Metron Algorithm).
AircraftAltitudeChange This object represent Aircraft Altitude Change - difference between Desired Altitude and Altitude See the source AircraftAltitudeChange.java
AircraftHeadingChange This object represent Aircraft Heading Change - difference between desired heading and true heading See the source AircraftHeadingChange.java
AircraftsCloseToSectorBoundary This object represent number of aircraft within a threshold distance (TD) of sector boundary (10 nautical miles).
AircraftSectorAxisHeadingVariation This object represent the squared difference between the heading of each aircraft in a sector and the direction of the major axis(route) in a sector, weighted by sector aspect ratio.
AircraftSpeedChange This object represent Aircraft Speed Change - difference between Desired Indicated Air Speed and Indicated Air Speed See the source AircraftSpeedChange.java
AircraftsWith3DDistanceBetween This object represent number of aircraft pairs with 3-D Euclidian distance between according to the 'milesBetweenLow'-'milesBetweenHigh' parameters in nautical miles.
AircraftsWithLateralVerticalSeparation This object represent conflict predicted - number of aircraft pairs predicted to be in conflict within next 20 min whose lateral separation distance between 'lateralLower' - 'lateralHigher' in nautical miles, and vertical ('vertical') separation less than above/below ('vertSepHigh'/'vertSepLow') 29000 feet.
AircraftsWithSeparationUnder This object represent number of aircraft pairs with lateral separation less than 'milesBetween' in nautical miles.
ConflictCount This object represent calculation of predicted conflicts within a threshold distance (TD) of sector boundary (10 nautical miles).
InverseAverageMinHorizontal_VerticalSep This object represent Inverse of average minimum Horizontal and Vertical Separation for aircraft pairs according to aircrafts in particular sector.
InverseMeanWeightedHorizontal_VerticalSep This object represent Inverse Mean Weighted Horizontal and Vertical Separation according to number of aircraft in particular sector.
InverseMinHorizontal_VerticalSep This object represent Inverse of minimum Horizontal and Vertical Separation distance for aircraft pairs in same vertical and horizontal neighborhood according to aircrafts in particular sector.
MeasureAirPairsInConflict_CloseToSecBoundary This object represent the measure of the number of aircraft pairs (ij) which are in conflict with each other and are close to a sector boundary (WCONFBOUND).
MeasureOfAircraftCloseToBoundary This object represent measure of the number of aircraft close to sector boundary (Metron Algorithm).
MeasureOfAircraftCountPerSector This object represent calculation a measure of aircraft count per sector - WACT.
MeasureOfAircraftDensityPerSector This object represent calculation a measure of the aircraft density per sector - WDEN.
MeasureOfAirInNeighborhoodOfAirOnConflict This object represent the measure of aircraft in the neighborhood of an aircraft pair projected to be in conflict (WCONFLICTNBRS).
MeasureOfAirLess8_13Miles This object represent the measure of number of aircraft pairs with less than 8 or 13 nauticle miles horizontal distance between them (WCLAP).
MeasureOfAirspaceAndDistributionOfAircraft This object represent a measure of airspace structure and the distribution of aircraft within a sector (Metron Algorithm) for each aircraft i at each 2 min snapshot over the next 10 min (WASP) where: HDi = (absolute value of (HEADINGi - MAJORHEADINGsector)) mod90 (between 0 and 90 degrees) ARi = 0 if HDi < 10 degrees, else ((AspectRatioSector * HDi) / 90) asp = sum of ARi WASP = 0.45024 * MAX 10min(asp) where: See the source MeasureOfAirspaceAndDistributionOfAircraft.java
MeasureOfAirspaceAndDistributionOfAircraftModified This object represent a measure of airspace structure and the distribution of aircraft within a sector (Metron Algorithm) for each aircraft i at each 2 min snapshot over the next 10 min (WASP_MODIFIED) where: HDi = (absolute value of (sin (absolute value of(HEADINGi - MAJORHEADINGsector)))) * (3.14156 / 180) ARi = 0 if HDi < 10 degrees, else (AspectRatioSector * HDi) asp = sum of ARi WASP_MODIFIED = 0.45024 * MAX 10min(asp) See the source MeasureOfAirspaceAndDistributionOfAircraftModified.java
MeasureOfConvergenceAngleWitin13Miles This object represent the measure of convergence angle for aircraft pairs which are within 13 nauticle miles of each other (WCONVANG).
MeasureOfVariationInHeading This object represent the measure of variation in heading - WHEADVAR.
PotentialConflictProximity This object represent calculation of potential conflict situations laterally and vertically.
SectorAspectRatio This object represent calculation of 'major axis(route) length nm / minor axis(route) length nm' of a sector.
VariationCalculation This object represent Calculation of Variation - the variance is measure of how spread out a distribution is.