仪表等级飞行员理论培训stage1-109RNAV-GPS1A.ppt
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1、 The Ability To Navigate And Fly The Ability To Navigate And Fly Point-To-PointPoint-To-PointVOR/DME RNAV VOR/DME RNAV FMSFMSGPSGPSRNAV:Area Navigation:RNAV:Area Navigation:The Electronic CockpitThe Electronic CockpitRNAV units use existing VORs to create RNAV units use existing VORs to create movab
2、le,artificial navigational stations called movable,artificial navigational stations called Waypoints.Waypoints.These types of RNAV systems are These types of RNAV systems are now referred to as now referred to as“VOR/DME RNAV”“VOR/DME RNAV”systems.systems.Once the Waypoint is set up in the receiver,
3、Once the Waypoint is set up in the receiver,the pilot simply treats it as though it were a the pilot simply treats it as though it were a real VORreal VOR“Virtual VORs”“Virtual VORs”Programming the RNAV PositionPositionPosition AirspeedAirspeedAirspeed GroundspeedGroundspeedGroundspeed Altitude hold
4、Altitude holdAltitude hold ETE/ETAETE/ETAETE/ETA HeadingHeadingHeading CourseCourseCourse ARTCC,FSS&ARTCC,FSS&ARTCC,FSS&COMM dataCOMM dataCOMM data Airspace infoAirspace infoAirspace info Routing InfoRouting InfoRouting Info IAP approachesIAP approachesIAP approaches Airport infoAirport infoAirport
5、info Runway layoutRunway layoutRunway layoutFlight Management Systems:Flight Management Systems:A DefinitionA DefinitionWhat might a Flight Management System do for a pilot?What might a Flight Management System do for a pilot?What might a Flight Management System do for a pilot?Ground TrackGround Tr
6、ackGround Track Fuel BurnFuel BurnFuel Burn Store flight Store flight Store flight plansplansplansAviation Benefits From GPS Aviation Benefits From GPS NavigationNavigation Direct Routing Capability fuel and flight time savingsDirect Routing Capability fuel and flight time savingsDirect Routing Capa
7、bility fuel and flight time savings Increased landing capacityIncreased landing capacityIncreased landing capacity Flexible use of airspaceFlexible use of airspaceFlexible use of airspace Increased ground facility capacity and safetyIncreased ground facility capacity and safetyIncreased ground facil
8、ity capacity and safetyIntroduction to GPSIntroduction to GPS Satellite navigation systems are unaffected by weather Satellite navigation systems are unaffected by weather Satellite navigation systems are unaffected by weather and provide global navigation coverage.and provide global navigation cove
9、rage.and provide global navigation coverage.Navigational values,such as distance and bearing to a Navigational values,such as distance and bearing to a Navigational values,such as distance and bearing to a waypoint are computed from the aircrafts current waypoint are computed from the aircrafts curr
10、ent waypoint are computed from the aircrafts current position and the position of the next waypoint.position and the position of the next waypoint.position and the position of the next waypoint.GPS ArchitectureGPS ArchitectureThe GPS system consists of three distinct functional The GPS system consis
11、ts of three distinct functional The GPS system consists of three distinct functional elements:elements:elements:Control ElementControl ElementControl Element Space ElementSpace ElementSpace Element User ElementUser ElementUser ElementGPS ArchitectureGPS ArchitectureSpace ElementSpace ElementSpace El
12、ement This group of satellites is This group of satellites is This group of satellites is called a constellation.The called a constellation.The called a constellation.The satellites are in six orbital satellites are in six orbital satellites are in six orbital planes(with four in each planes(with fo
13、ur in each planes(with four in each plane)at about 11,000 miles plane)at about 11,000 miles plane)at about 11,000 miles above the Earth.At least above the Earth.At least above the Earth.At least five satellites are in view at five satellites are in view at five satellites are in view at all times.al
14、l times.all times.GPS ArchitectureGPS ArchitectureControl ElementControl ElementControl Element Consists of a network of ground-based GPS monitoring Consists of a network of ground-based GPS monitoring Consists of a network of ground-based GPS monitoring and control stations that ensure the accuracy
15、 of satellite and control stations that ensure the accuracy of satellite and control stations that ensure the accuracy of satellite positions and their clocks.In its present form,it has five positions and their clocks.In its present form,it has five positions and their clocks.In its present form,it
16、has five monitoring stations,three ground antennas and a master monitoring stations,three ground antennas and a master monitoring stations,three ground antennas and a master control station.control station.control station.Ground AntennasGround AntennasGPS ArchitectureGPS ArchitectureUser ElementUser
17、 ElementUser Element Consists of antennas and receiver/processors on board Consists of antennas and receiver/processors on board Consists of antennas and receiver/processors on board an aircraft,automobile,ship,cellular telephones and an aircraft,automobile,ship,cellular telephones and an aircraft,a
18、utomobile,ship,cellular telephones and other new items like watches that provide positioning,other new items like watches that provide positioning,other new items like watches that provide positioning,velocity and precise timing to the user.velocity and precise timing to the user.velocity and precis
19、e timing to the user.GPS ArchitectureGPS ArchitectureThe GPS Positioning ConceptThe GPS Positioning ConceptThe GPS Positioning Concept Two principal pieces of information are required to Two principal pieces of information are required to Two principal pieces of information are required to determine
20、 a GPS position:determine a GPS position:determine a GPS position:Position of each satellitePosition of each satellitePosition of each satellite Range from the satellite to the userRange from the satellite to the userRange from the satellite to the user A minimum of four satellite signals are requir
21、ed to solve for A minimum of four satellite signals are required to solve for A minimum of four satellite signals are required to solve for an unaided,unique,position and time solution.an unaided,unique,position and time solution.an unaided,unique,position and time solution.How Does GPS Work?How Doe
22、s GPS Work?Basic Function of GPSBasic Function of GPS GPS is a distance/ranging systemGPS is a distance/ranging systemGPS is a distance/ranging system Operates on the principal of trilaterationOperates on the principal of trilaterationOperates on the principal of trilateration Satellites transmit un
23、ique radio wavesSatellites transmit unique radio wavesSatellites transmit unique radio waves Receivers passively receive satellite signalReceivers passively receive satellite signalReceivers passively receive satellite signal Receivers measure time for signal to reach itReceivers measure time for si
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- 仪表 等级 飞行员 理论 培训 stage1 109 RNAV GPS1A
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