Alertsystem 近地告警系统(EGPWS)电子信息工程学院 2 CFIT(可控飞行撞地)CFIT:Controlledflightintoterrain.为民航两大主要航空事故之一(ALA:ApproachandLanding),为一架飞机由机师正常控制,但因为一些失误而撞上地面、阻碍物或水面坠毁。根据国际民航组织的统计,可控飞行撞地目前已经成为商用喷气飞机机体...
Dual-polarized radar systems•Introduction Polarization Radar System•Polarization agility vs. polarization diversity•Polarization agile system –Transmit Block Diagram –Receive Block Diagram•Critical antenna components –Waveguide Switch –OMT/Feedhorn –Dish•Antenna Requirements and effects on ...
(Non-cooperative, 2D position) 二次雷达(SSR,Secondary Surveillance Radar):发射一组飞机应答机可以识别的特征脉冲,由飞机在约定时间间隔内发射一串应答编码脉冲,主要用于航路。(Cooperative,3D position) * The simplest radar system transmits a pulse of high frequency energy and listens for the echo of ...
Thebestradarreflectorsareraindropsandwethail.Generally,ice,drysnow,anddryhailhavelowreflectivelevelsandoftenwillnotbedisplayedbytheradar.AirborneWeatherRadarSystemBasicPrinciples CivilAviationFlightUniversityofChinaAirborneWeatherRadarSystemBasicPrinciples Hailusuallyhasafilmofwateronitssurface,consequently,ahailstoneisofte...
Civil Aviation Flight University of China Figure 11.4 The Use of PWS Civil Aviation Flight University of China PWS Warning The Use of PWS This warning provides the flight crew with an aural alert when the radar system detects a windshear event in the warning region. The PWS generates one of ...
weather centers 1.2 MICAPS 3.1 Framework Features Open software architecture The functional Module is optional Special version for special usage Main framework: 1.3 Micaps3.1 Main Functions An interactive computer system that integrates all meteorological, satellite, and radar data into one computer work...
4)注意事项: 可能丢失的小目标(∵经微分后) 应加强了望(减少回波能量为代价) IMO要求:应能手动可调(抑制程度) 2、雷达同频干抑制电路 (Radar Interference Canceller-RIC) 1)什么叫雷达同频干抑制电路? ——相邻两部同频段雷达,相互产生干扰。 分为: 同频同步干扰 ——相同频段,脉冲重复周期相同(T1=T2) 同...
1、,Civil Aviation Flight University of China,Radio Altimeter,无线电高度表,Radio Altimeter ( RA),Civil Aviation Flight University of China,The radio altimeter system provides accurate terrain clearance altitude information displayed in the flight compartment, for use by the flight crew. The radio ...
Englishcoursewareforautonomousdriving 目录 •IntroductiontoAutonomousDriving •KeyTechnologiesofAutonomousDriving •Thechallengesfacedbyautonomousdriving 目录 •TheDevelopmentProspectsofAutonomousDriving •PracticalCasesofAutonomousDriving •Englishvocabularyandexpression 01 IntroductiontoAutonomousDriving Thedefinitionof...
最新14.5-无线电信号表解析教学讲义PPT课件 14.5-无线电信号表解析 无线电信号表 英版《无线电信号表》(AdmiraltyListofRadioSignals,缩写:ALRS)目前共出版6卷:Volume(1):MaritimeRadioStationsVolume(2)RadioAidstoNavigational;Satellitenavigationsystems;LegalTime;ElectronicPositionFixingSystemVolume(3):...