отраженное звуковое поле

field n 2. площадка acoustic field auxiliary landing field balanced field length choice of field dipole-type noise field earth's magnetic field electric field strength field circuit field conditions field marker Field Operation Branch Field Operations Section (ИКАО) Field Personal Administration Unit Field Personnel Section (ИКАО) field procurement Field Procurement Section (ИКАО) field procurement service Field Procurement Services Unit Field Purchasing Unit Field Recruitment Unit Field Services Branch field strength meter field tests flow field inlet flow field landing field magnetic field strength noise field pilot's field of view radiation field radiation field pattern secondary sound field sound field

sound n sounding v (атмосферы) aircraft sound proofing air sounding balloon sounding day-night sound level excessive sound absorption characteristic overall sound pressure level precision sound level meter propagation of sound radar sounding secondary sound field sensitivity to sound waves sound absorbing material sound absorption coefficient sound attenuation sound attenuation coefficient sound barrier sound distortion sound emission sound emission characteristic sound energy sound exposure level sound field sounding balloon sound insulation coefficient sound level history sound level meter sound power sound pressure sound pressure level sound pressure sensitivity calibration sound pressure sensitivity check sound propagation distance sound ray sound suppressor sound velocity sound wave upper-air sounding velocity of sound vertical sounding

secondary area boundary secondary bus secondary duct secondary filter secondary frame secondary frequency secondary power supply secondary radar secondary radio facilities secondary runway secondary sound field secondary station secondary structural member secondary surveillance radar track from secondary radio facility