диаграмма распространения шума

noise n acoustic noise actual noise level measurement actual sideline noise level aerodynamic noise aggregate noise duration aircraft noise abatement operating procedures aircraft noise annoyance aircraft noise certificate aircraft noise pollution aircraft noise prediction program airport noise contour ambient noise ambient noise level approach noise angle approach noise level approach noise measurement approach noise path approach noise reference point atmospheric noise attenuate noise augmented lift system noise certificated noise level Committee on Aircraft Noise community noise level composite noise rating continuous perceived noise level contour of perceived noise corrugated noise suppressor current noise technology standard design noise level dipole-type noise field directional noise measurement duration of noise effect environment control system noise equal noise contour exhaust noise suppressor flight test noise measurement flyover noise flyover noise level flyover noise limit flyover noise measurement flyover noise test generalized noise characteristics ground run-up noise abatement ignition noise jet noise jet noise prediction technique landing noise lateral noise measurement distance level flight noise requirements main rotor noise maximum permissible noise level measured noise data minimum noise procedure minimum noise route noise abatement device noise abatement measures noise abatement procedures noise abatement takeoff noise abatement technique noise abatement thrust cutback noise absorbing wedge noise absorption noise absorption coefficient noise annoyance rating system noise attenuation noise cancelling noise carpet noise certification approach path noise certification procedure noise certification reference conditions noise certification scheme noise certification standard noise certification takeoff flight path noise certification test conditions noise characteristics noise charge noise control noise control technique noise curfew noise directivity noise dissipation noise disturbance noise dose contour noise environment noise evaluation noise evaluation method noise evaluation procedure noise exposure assessment method noise exposure contour noise exposure forecast noise field noise filter noise floor noise footprint noise generation noise immunity noise insulation noise level noise level attenuation curve noise level radiation noise level value noise map noise measurement location noise measurement procedure noise meter noise monitoring noise muffler noise path noise path length noise preferential route noise preferential runway noise pressure level noise propagation noise propagation pattern noise reduction noise reduction modification noise reduction requirements noise scale noise sertification test noise spectrum noise suppression noise suppression device noise suppressor noise test noise thrust correction originate noise peak perceived noise level permissible noise level radio noise reduce noise reduce noise level reverse thrust noise solar noise standard noise level subsonic noise standard take-off noise takeoff noise takeoff noise angle takeoff noise test test noise turbulence-induced noise unit noise duration

propagation n boom propagation path crack propagation directional propagation high frequency propagation indirect propagation noise propagation noise propagation pattern propagation of sound propagation path sound propagation distance stop the crack propagation turbulence propagation

aerial search pattern aerodrome traffic pattern air-flow pattern air traffic pattern angle pattern antenna pattern antenna pattern shaping approach pattern azimuth pattern basic marking pattern blast pattern circuit pattern economic pattern fuel spray pattern holding pattern landing pattern noise propagation pattern race-track holding pattern radiation field pattern rectangular approach traffic pattern rectangular traffic pattern approach runway pattern runway pattern symbol runway strip pattern takeoff pattern taxi pattern traffic pattern traffic pattern altitude wind-flow pattern

advance angle aircraft impact angle airflow angle angle cap angle computer angle guidance angle guidance system angle in azimuth angle measurement equipment angle navigation angle of allowance angle of approach angle of approach light angle of ascent angle of attack angle of climb angle of coverage angle of crab angle of descent angle of deviation angle of dip angle of dive angle of downwash angle of elevation angle of exit angle of glide angle of incidence angle of indraft angle of lag angle of landing angle of pitch angle of roll angle - of - sideslip transmitter angle of sight angle of slope angle of stall angle of turn angle of upwash angle of visibility angle of yaw angle pattern angle receiver angle tracking anhedral angle approach angle correction approach angle indicator approach noise angle attitude angle azimuth angle bank angle bank synchro error angle beam spread angle best climb angle beyond stall angle blade angle burble angle chart angle selector cockpit cutoff angle collision angle constant climb angle contour angle control surface angle convergence angle correction angle course angle cutin angle datum angle deflection angle desired track angle drift angle drift angle control drift angle indicator dwell angle error angle exceeding the stalling angle first constant climb angle flapping angle flaps angle flaps asymmetric angle flaps disagreement angle flight path angle gliding angle gravity drop angle Greenwich hour angle guidance angle heading angle heeling angle hour angle initial track angle inlet angle of attack intake angle of attack intercept glide path angle lateral angle list angle look-up angle magnetic track angle meridian convergence angle microphone angle navigation light dihedral angle nozzle angle nozzle pitch angle variation off-boresight angle path angle pitch angle indicator prestalling angle reach the stalling angle read the drift angle reference approach angle rigging angle rotor coning angle select the track angle set at the desired angle setting angle shock wave angle sideslip angle squint angle stall angle overshoot stalling angle start angle static ground angle steering angle stop angle sweep angle sweepback angle sweepforward angle takeoff angle takeoff noise angle toe-in angle track angle track angle error turn lead angle viewing angle wheel steering angle wind angle wing setting angle wing sweep angle zero-lift angle