скорость затухания звука

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

speed n accelerate to the speed actual speed aircraft speed airscrew blade speed all engines speed allowable speed angular speed approach speed at a speed of at full speed attain the speed basic speed (с учетом погрешности измерения) block speed brake application speed buffeting onset speed bug speed (прибора) circumferential speed climb-out speed closing speed (воздушных судов) constant speed drive constant speed drive system constant speed drive turbine control speed Минимально допустимая скорость при сохранении управляемости. critical engine failure speed critical speed (максимально допустимая скорость при сохранении управляемости) cruising speed cruising speeds range decision speed (пилотом) decrease the speed decreasing speed degeneration speed (звукового удара) demonstrated speed design speed dive speed economic speed (при минимальном расходе топлива) emergency descent speed engine speed holdup engine speed loss engine takeoff speed en-route climb speed exit design speed (с ВПП) fan tip speed flaps speed flaps-up climbing speed flaps-up climb speed flight idle speed flight speed flutter onset speed forward speed forward speed effect free speed return gain the speed gather the speed gliding speed governed speed ground speed (скорость воздушного судна относительно земли) ground speed indicator ground speed vector gust peak speed (воздушной массы) headwind speed high speed taxiway hold the speed accurately hump speed hypersonic speed idle speed adjustment increase the speed initial climb speed instantaneous vertical speed (полета) kill the landing speed landing approach speed landing gear operating speed landing speed level-flight speed liftoff speed (при разбеге) limit speed switch linear speed long-range cruise speed lose the speed maintain the flying speed manoeuvring speed maximum limit speed maximum speed governor maximum speed limiting system maximum threshold speed mean speed minimum flying speed minimum landing speed minimum takeoff safety speed minimum threshold speed minimum unstick speed near-sonic speed never-exceed speed no-flap approach speed no-flap climb speed no-flap - no-slat approach speed no-slat approach speed obtain the flying speed on the speed opening speed (парашюта) operating speed overtaking speed (воздушного судна) permissible operating speed pick up the speed prestall speed (на крыло) propeller tip speed reach the speed reference flight speed regain the speed rotational speed rotation speed (при взлете) rotor speed governor rotor speed margin rough-air speed safety speed set up the speed sideward flight speed (вертолета) sink speed (при посадке) slowest initial speed (полета) sonic speed speed ability speed at takeoff climb speed bleedoff speed brake speed brake system speed control area speed control system (полета) speed down speed drive governor speed drop speed governor speed governor adjustment speed holding speed increase speed in landing configuration (конфигурации воздушного судна) speed in takeoff configuration (конфигурации воздушного судна) speed limitation speed margin speed pointer speed range speed stability speed warning relay spoiler extended speed stalling speed (на крыло) steady flight speed subsonic speed sudden speed rise sufficient speed supersonic speed surface wind speed (земли) tailwind speed takeoff safety speed takeoff speed tape speed (бортового регистратора) target speed taxiing speed threshold speed thrust versus speed curve top speed touchdown speed (ВПП) transit to the climb speed transonic speed turnoff speed ultrasonic speed unstick speed vertical gust speed (воздушной массы) vertical speed vertical speed indicator wind speed wind speed indicator zero flaps speed

decay rate — скорость затухания; decay time — время затухания

distance n accelerated-stop distance air-to-ground distance angular distance approach flight track distance approach measurement distance assess the distance average city-pair distance bearing distance computer clearance distance continued takeoff distance corrected takeoff distance cross track distance crosstrack distance change rate declared distance degeneration distance distance accuracy distance assessment distance bushing distance circle distance control distance fare taper distance flight distance flown counter distance flown indicator distance indicator distance margin distance mark distance measurement channel distance measuring equipment distance measuring system distance scale distance sleeve fixed distance lights fixed distance markings flareout distance flight distance gliding distance great-circle distance gross takeoff distance hold-off distance in-flight safe distance landing distance landing distance available landing distance with reverse thrust lateral noise measurement distance line-of-sight distance measured distance misjudged flight distance misjudge the distance omnibearing distance system overall distance reverence minimum distance runway usable distance safe takeoff distance sight distance sound propagation distance stopping distance takeoff acceleration distance takeoff distance takeoff distance available taxiing distance taxiway separation distance track distance turn lead distance unstick distance