noise suppression device

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

device n aircraft anticollision device anti-icing device antiretraction device antiskid device antitopple device arresting device audio warning device automatic course device automatic signalling device braking device braking test device cabin tightness testing device caging device cargo-handling device cargo-loading device cargo tie-down device cargo-weighting device cartridge actuated device centering cam device centering device chart-matching device circuit protection device closure device continuous measuring device deicing device dispersion device display device dust protection device electronic device electronic storage device engine lifting device exchange device explosives detecting device fastening device filling device floatation device friction test device gaging device hand-held device high-lift devices wing high-lift wing devices hoisting device homing device igniting device insertion device intrusion detection device lift devices lift dump device loading device load transfer device locking device lockout device measuring device metering device mooring device noise abatement device noise suppression device recording device safety device safety relief device self-centering device self-recording device sensing device signalling device stabilizer servicing device stall warning device switching device system leakage device termination device through device thrust producting device timber-carrying suspending device tire inflation device tow device tripping device underfrequency protection device unit load device unit load device rate visual warning device warning device water depth measuring device weapon detecting device weighting device wheel installation device wing devices wing extendable devices

suppression n noise suppression noise suppression device radio interference suppression

- active docking device - actuating device - add-in device - aircrafts anticollision device - alarm device - analog device - antiicing device - antiretraction device - antiskid device - antitopple device - arresting device - audio warning device - aural warning device - automatic course device - automatic signalling device - braking device - braking test device - cabin tightness testing device - caging device - caging device of gyroscope - cargo-handling device - cargo-loading device - cargo tie-down device - cargo-weighting device - cartridge actuated device - centering device - centering cam device - chart-matching device - circuit protection device - closure device - coding device - continuous measuring device - current devices - deicing device - detonating device - dispersion device - display device - dust protection device - eavesdropping device - electronic device - electronic storage device - engine lifting device - exchange device - explosives detecting device - fastening device - fdling device - floatation device - friction test device - gaging device - hand-held device - high lift devices - high lift wing devices - high voltage devices - hoisting device - homing device - igniting device - infra-red detection devices - insertion device - intrusion detection device - lift devices - lift dump device - lift increasing device - listening device - loading device - load transfer device - locking device - lockout device - measuring device - metering device - mooring device - navigation device - noise abatement device - noise suppression device - peripheral device - recording device - remote alarm device - safety device - safety relief device - self-centering device - self-recording device - sensing device - signalling device - solid-state device - stabilizer servicing device - stall warning device - switching device - system leakage device - termination device - through device - thrust producting device - timber-carrying suspending device - tire inflation device - tow device - tripping device - underfrequency protection device - unit load device - visual warning device - warning device - water depth measuring device - weapon detecting device - weighting device - wheel installation device - wing devices - wing extendable devices - wing high-lift devices

- acoustic imaging device
- active device
- add-in device
- adjusting device
- airplane speaking device
- airplane tape recording device
- alarm device
- all-in-one device
- amplifying device
- analyzing device
- ancillary device
- announcer's device
- answering device
- antenna-feeder device
- antenna-matching device
- antipumping device
- arithmetic device
- arresting device
- attention device
- audible signal device
- automatic program input device
- automatic voice-alert device
- automatic-matching device
- auxiliary call-doubling device
- auxiliary loud-speaking device
- auxiliary radio communication device
- balancing device
- beam-processing device
- buffer device
- burglar-alarm device
- cable device
- calling device
- call-routing device
- central chain data device
- central-control device
- central-intranetwork device
- channel device
- channel-adjusting device
- charge-injection device
- clamping device
- color-imaging device
- combinational device
- combined safety-alarm device
- combined-measuring device
- command-execution device
- command-transit device
- command-transmission device
- compact device
- composite-optoelectronic device
- conditional-access device
- conditioning device
- connecting device
- connection device
- contact-switching device
- control device
- control-calling device
- controlled semiconductor device
- controller device
- counting device
- damping device
- data collection device
- data transmission device
- data-input device
- data-interface device
- data-recording device
- decoding device
- digital device
- digital signal processing device
- discrete control device
- dispatch device
- display device
- doubling device
- dual-tone ringing device
- duplex amplifier bypass device
- duty-reception device
- earthing device
- eavesdropping device
- edge device
- electrodynamical device
- electromagnetic device
- electronic device
- electronic-listening device
- electronic-relay device
- electronic-telegraph device
- electrostatic device
- emergency control device
- error-protecting device
- executive device
- facsimile device
- fast acting device
- fast action device
- fax machine memory device
- ferrite device
- ferrodynamical device
- ferrostatic device
- fiber-optic branching device
- fiber-optic interconnection device
- film optical-sensing device
- filter-matching device
- focusing device
- four-layer device
- four-terminal device
- frequency converting device
- frequency encoding device
- frequency-selective device
- full four-terminal device
- functional device
- gas-discharge device
- groove locating device
- heat device
- IC device
- image-display device
- imaging device
- independent device
- independent-calling device
- independent-telegraph device
- indicating device
- indicator device
- induction device
- in-line device
- input device
- input/output device
- input-isolating device
- input-output device
- input-protector device
- interface device
- interlocking device
- intermediate device
- isotropic device
- laser receiving device
- laser transmitting device
- level control device
- light alarm device
- light-sensitive device
- line HF-device
- linear device
- linear four-terminal device
- line-mounting device
- load device
- locking device
- lockout-signaling device
- logical device
- low-noise start-control device
- low-noise start-controlling device
- low-voltage device
- magnetic device
- magnetic tape sound recording device
- magnetic-wave device
- magnetoelectric device
- magnetoelectronic sparkproof device
- master device
- matching device
- measuring device
- mechanical switching device
- memory device
- message broadcasting device
- metering device
- microelectronic device
- microphone switching device
- mobile speaking device
- modem encryption device
- motor synchronizing device
- multicommunications device
- multifunction device
- multirange measuring device
- n-color device
- network section checkout device
- network synchronizing device
- noncontrolled semiconductor device
- nonlinear four-terminal device
- numbered data requiring and receiving device
- on-off device
- optical-to-optical interface device
- optimal receiving device
- optoelectronic device
- output device
- partial four-terminal device
- partially-controlled semiconductor device
- passive device
- peripheral control device
- peripheral device
- persistent-image device
- phase sensitivity protecting device
- phase shifting device
- photoconductive device
- photoelectric device
- photoemissive device
- photogalvanic device
- photosensitive device
- photothyristor electronic device
- planar device
- polarized device
- power supply device
- primary signal device
- printing device
- protection device
- protective cutout device
- pulse distributing device
- pulse firing device
- pulse semiconductor device
- pulse shortening device
- radio broadcasting device
- radioelectronic device
- real device
- receiving device
- recognition device
- recovering device
- regulating device
- release device
- remote alarm device
- remote control device
- remote network tripping device
- remote positioning device
- remote signaling device
- reserve switching device
- restricted radiation device
- ringing device
- rotary device
- routing device
- safety device
- safety-alarm device
- scanning device
- sealed distribution device
- selective call device
- semiconductor device
- semiconductor switching device
- sensing device
- signal transducing device
- signaling control device
- signaling device
- silicon imaging device
- single chip alarm device
- sizing device
- slave device
- solid optoelectronic device
- spark-protecting device
- spark-safe testing device
- speaking device
- special phototelegraph device
- spectrum transfer device
- start-control device
- start-controlling device
- starter-controlled device
- static protection device
- station HF-device
- stationary station automatic selection device
- stationary-electrical device
- storage device
- strobing device
- subscriber distribution device
- supporting device
- suppression device
- surface acoustic wave device
- surface communication device
- switching device
- sync device
- synthesized-radio device
- tap changing device
- tapping device
- tariff device
- telecontrol device
- teledata transmission device
- telegram format conversion device
- telemetric transmission device
- telephone device
- telephone periphery device
- telering device
- teletex device
- terminal device
- terminal telegraph device
- test device
- thermal regulation device
- three-terminal device
- threshold device
- time-delay device
- timing device
- touch-input device
- transceiving diving device
- transcient telegraph device
- transit device
- transmitter connecting device
- transmitting device
- trunk-encryption device
- two-terminal device
- ultrasonic imaging device
- universal calling device
- universal telegraph device
- videotex device
- voice-control device
- voice-operated gain-adjusting device
- voltage-sensing device
- warning device
- wire speaking device
- wireless speaking device