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1 time response to oscillation
Универсальный англо-русский словарь > time response to oscillation
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2 time
время; период; продолжительность; pl. отсчёты времени; рассчитывать или замерять по времени; измерять времяfixed throttle point burn time — ркт. время работы двигателя с постоянной тягой
hover propellant burning time — время работы двигателей, обеспечивающих зависание (ЛА)
landing gear retraction time — время [продолжительность] уборки шасси
minimum annual flying time — установленный минимальный годовой налёт лётчика [члена экипажа]
running time between inspections — дв. наработка между осмотрами
time of thrust application — время действия тяги, время работы ракетного двигателя
time of velocity correction — время корректирования [регулирования] скорости
time to Mach 2 — время разгона до числа М=2
time to the ground — время до столкновения с землёй [до падения на землю]
total fleet engine time — общая [суммарная] наработка двигателей всего самолётного парка
— arm time— jet time— run time— T time— up time— web time— X time -
3 Продолжительность протекания переходного колебательного процесса
Русско-английский словарь по прикладной математике и механике > Продолжительность протекания переходного колебательного процесса
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4 продолжительность протекания переходного колебательного процесса
Mathematics: time response to oscillation (vibration)Универсальный русско-английский словарь > продолжительность протекания переходного колебательного процесса
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5 transient
1) быстротечный
2) <engin.> кратковременный
3) мимолетный
4) преходящий
5) устанавливающийся
6) переходный
7) скоротечный
8) переходный процесс
9) невозвратный
10) недолговечный
11) неустановившийся
12) проходящая волна
13) <engin.> режим неустановившийся
– transient acceleration
– transient aerodynamics
– transient amplitude
– transient analysis
– transient analyzer
– transient condition
– transient conditions
– transient current
– transient distortion
– transient equilibrium
– transient feedback
– transient flow
– transient motion
– transient noise
– transient oscillation
– transient oscillations
– transient over
– transient performance
– transient period
– transient pressure
– transient process
– transient response
– transient source
– transient state
– transient time
– transient torque
– transient wave
transient frequency jitter — < radio> дергание частоты
transient response analyzer — анализатор переходных процессов
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6 history
изменение (по времени); временная зависимость; график < по времени>; история < нагружения>; предысторияacceleration historyaerospace historyangle-of-attack historyangular rate historycase historycontrol historyenergy historyflight time historyiteration historylift time historyload historyload factor historymaneuver time historymass time historymotion historyoptimal control historyoscillation historypitch historypitch time historypressure historyresponse time historyroll angle time historyroll rate time historyroll time historystress historystructural historythrust time historytime historytorque history -
7 frequency
1) частота
2) многократность
3) частотно
4) частотность
5) частотный
6) темп
– allocate frequency
– alternate frequency
– angular frequency
– antiresonance frequency
– antiresonant frequency
– assigned frequency
– audio frequency
– base frequency
– basic frequency
– beat frequency
– break frequency
– buoyancy frequency
– calling frequency
– carrier frequency
– cell frequency
– collision frequency
– commercial frequency
– component frequency
– conversion frequency
– critical frequency
– crossover frequency
– cutoff frequency
– cyclotron frequency
– difference frequency
– dot frequency
– driving frequency
– espected frequency
– field frequency
– fixed frequency
– flicker frequency
– formant frequency
– fractional frequency
– frame frequency
– free-running frequency
– frequency alignment
– frequency allocation
– frequency analysis
– frequency band
– frequency calibration
– frequency changer
– frequency channel
– frequency characteristic
– frequency code
– frequency compression
– frequency control
– frequency converter
– frequency correction
– frequency curve
– frequency departure
– frequency deviation
– frequency discrimination
– frequency distortion
– frequency distribution
– frequency diversity
– frequency divider
– frequency division
– frequency domain
– frequency doubler
– frequency drift
– frequency feedback
– frequency function
– frequency in pitch
– frequency in roll
– frequency interleaving
– frequency interpretation
– frequency isolation
– frequency jitter
– frequency jumping
– frequency limit
– frequency lock-in
– frequency mark
– frequency marker
– frequency match
– frequency meter
– frequency modulated
– frequency modulation
– frequency modulator
– frequency monitoring
– frequency multiplex
– frequency multiplication
– frequency multiplier
– frequency nominal
– frequency of event
– frequency polygon
– frequency pulling
– frequency range
– frequency ratio
– frequency response
– frequency selective
– frequency setting
– frequency shift
– frequency spacing
– frequency spectrum
– frequency splitting
– frequency spread
– frequency stability
– frequency stabilization
– frequency standard
– frequency synthesis
– frequency synthesizer
– frequency telegraphy
– frequency tolerance
– frequency transformation
– frequency transformer
– frequency translation
– frequency tripler
– frequency tuning
– frequency wobbling
– fundamental frequency
– genotype frequency
– harmonic frequency
– heterodyne frequency
– high frequency
– hold on to frequency
– hypersonic frequency
– idler frequency
– image frequency
– increase the frequency
– infrasonic frequency
– injection frequency
– instantaneous frequency
– intermediate frequency
– ion plasma frequency
– Larmor frequency
– laser frequency
– line frequency
– lock on frequency
– lowest-useful frequency
– magnetoplasma frequency
– marking frequency
– maser frequency
– master frequency
– modulating frequency
– modulation frequency
– multiple frequency
– multiplier of frequency
– natural frequency
– network frequency
– non-dimensional frequency
– operation frequency
– oscillation frequency
– oscillator frequency
– pedestal frequency
– penetration frequency
– picture frequency
– pilot frequency
– pitch frequency
– plasma frequency
– precessional frequency
– pump frequency
– quench frequency
– radio frequency
– rated frequency
– relative frequency
– repetition frequency
– resonance frequency
– resonant frequency
– ripple frequency
– scan frequency
– scanning frequency
– scattering frequency
– screen frequency
– set up fixed frequency
– set up frequency
– side frequency
– signal frequency
– slip frequency
– spacing frequency
– spatial frequency
– standard frequency
– Stokes frequency
– straight-line frequency
– subcarrier frequency
– subsonic frequency
– sum frequency
– superhigh frequency
– switching frequency
– synchronous frequency
– threshold frequency
– tracking frequency
– translate frequency
– tune to frequency
– ultra-high frequency
– ultrasonic frequency
– vibration frequency
– voice frequency
– wave frequency
– working frequency
– zero frequency
additive frequency mixing — преобразование частоты аддитивное
amplitude frequency distortion — амплитудно-частотное искажение
automatic frequency control — частотная АПЧ, автоматическая настройка частоты
automatic frequency unloading — разгрузка автоматическая частотная
carrier frequency system — система передачи с частотным разделением каналов
commutator-type frequency converter — коллекторный преобразователь частот
compensation frequency telegraphy — телеграфирование частотное компенсационное
compound frequency distribution — <math.> плотность распределения осредненная
decibel-log frequency characteristic — логарифмическая амплитудно-частотная характеристика
flatness of a frequency curve — сглаженность кривой плотности
frequency compensated amplifier — усилитель корректированный
frequency deviation meter — <tech.> стабилометр частоты
frequency domain spectroscopy — спектроскопия стационарная, спектроскопия частотная
frequency force factor — <electr.> коэффициент силовой частоты
kurtosis of a frequency curve — эксцесс плотности распределения
kurtosis of frequency curve — эксцесс плотности распределения
molecular rotation frequency — вращательная частота молекулы
moment of a frequency distributi — момент распределения вероятности
multiple-position frequency telegraphy — телеграфия частотная многопозиционная
operation frequency range — рабочий диапазон частот прибора СВЧ
parasite frequency modulation — паразитная частотная модуляция
roll-off of frequency response — завал частотной характеристики
signal increases in frequency — сигнал увеличивается по частоте
static frequency converter — статический преобразователь частоты
subcarrier frequency modulation — частотная модуляция с поднесущей
thyratron frequency changer — тиратронный преобразователь частоты
time-sharing two frequency laser — лазер с попеременной генерацией двух частот
transient frequency jitter — < radio> дергание частоты
valve-type frequency converter — вентильный преобразователь частоты
variable frequency oscillator — генератор плавного диапазона
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8 system
1) система || системный2) система; установка; устройство; комплекс3) программа•- adaptive control system
- address selection system
- addressing system
- advice-giving system
- AI planning system
- AI system
- analog computing system
- analog-digital computing system
- analysis information system
- application system
- arabic number system
- arithmetic system
- assembly system
- asymmetrical system
- atomic system
- attached processor system
- audio system
- authoring system
- automated office system
- automatic block system
- automatic checkout system
- automatic control system
- automatic search system
- automatic test system
- automatically programmed system
- automatically taught system
- autoprogrammable system
- axiomatic system
- backup system
- bad system
- bang-bang system
- base-2 system
- basic system
- batch-processing system
- binary system
- binary-coded decimal system
- binary-number system
- biquinary system
- bit-mapped system
- bit-slice system
- black-board expert system
- block parity system
- buddy system
- business system
- bus-oriented system
- bussed system
- CAD system
- call-reply system
- carrier system
- cause-controlled system
- character recognition system
- character-reading system
- chargeback system
- check sum error-detecting system
- chip-layout system
- clock system
- closed loop system
- closed system
- co-authoring system
- code recognition system
- code system
- coded-decimal system
- code-dependent system
- code-insensitive system
- code-sensitive system
- code-transparent system
- coding system
- coincident selection system
- cold system
- color-coded system
- command system
- common-bus system
- communication data system
- communications-oriented system
- complete articulated system
- computer system
- computer-aided design system
- computer-aided system
- computer-based system
- computer-based weapon system
- computerized system
- computing system
- concatenated coding system
- concealment system
- conservative system
- contention system
- continuous presence system
- control system
- controlled system
- controlling system
- coordinate system
- cordonnier system
- costrained vision system
- cross system
- crossbar switch system
- data acquisition system
- data collection system
- data exchange system
- data flow system
- data gethering system
- data handling system
- data management system
- data preparation system
- data processing system
- data reduction system
- data retrieval system
- data storage system
- data system
- data transmission system
- database management system
- database support system
- data-managed system
- decimal number system
- decimal system
- decimal numeration system
- decision support system
- decision-aided system
- decision-making system
- decision-support system
- decision-taking system
- decoding selection system
- decomposable system
- dedicated system
- degenerate system
- design library support system
- design-automation system
- design-verification system
- development support system
- development system
- digital communication system
- digital computing system
- direct-current system
- directly coupled system
- discrete system
- discrete-continuous system
- disk operating system
- display system
- distributed database management system
- distributed function system
- distributed intelligence system
- distributed parameter system
- distributed system
- distribution system
- double intermediate tape system
- down system
- drafting system
- dual system
- dual-computer system
- dual-processor system
- duodecimal number system
- duodecimal system
- duotricenary number system
- duotricenary system
- duplexed computer system
- duplex computer system
- dyadic number system
- dyadic system
- dynamic mapping system
- dynamic scene system
- dynamic support system
- electronic data processing system
- electronic sorting system
- encoding system
- equipment adapted data system
- erasing system
- error-controlled system
- error-correcting system
- error-detecting system
- executive file-control system
- executive system
- expert control system
- expert support system
- expert system
- expert-planning system
- externally pulsed system
- fail-safe system
- fail-soft system
- fan-out system
- fault-tolerant system
- feasible system
- federated system
- feed system
- feedback system
- feedforward control system
- fiche retrieval system
- file control system
- file system
- fixed-lenght record system
- fixed-point system
- fixed-radix numeration system
- floating-point system
- fluid transport system
- follow-up system
- forgiving system
- front-end system
- fuzzy expert system
- generic expert system
- geographically distributed system
- goal-seeking system
- good system
- graceful degradation system
- graphic data system
- graphics display system
- graphics system
- help system
- heterogeneous system
- hexadecimal number system
- hexadecimal system - host system
- hostless system
- host-satellite system
- human visual system
- hunting system
- hypermedia system
- imaging system
- incremental system
- independent system
- indirectly coupled system
- information storage and retrieval system
- information retrieval system
- information handling system
- information management system
- information processing system
- information system
- information-feedback system
- in-plant system
- input/output control system
- instruction system
- instrumentation management system
- integrated system
- intelligence system
- interactive control system
- interactive system
- intercommunicating system
- interlock system
- internal number system
- internal system
- Internet-enabled system
- interrupt system
- isolated system
- kernel system
- key-to-disk/tape system
- knowledge base management system
- knowledge system
- knowledge-based system
- large-scale computing system
- laser communication system
- layered control system - lexicon-driven system
- library reference system
- local-network system
- long-haul system
- lumped-parameter system
- machine tool control system
- machine-limited system
- machine-oriented programming system
- macroinstruction system
- macro system
- magnetic memory system
- magnetic recording system
- magnetic tape plotting system
- mail message system
- mail system
- mailbox system
- management information system
- man-machine system
- mapping system
- map-reading system
- mass memory system
- mass storage system
- master/slave system
- matrix memory system
- memory driver system
- memory system
- message handling system
- message system
- microcomputer system
- microfilm printing system
- midsplit system
- MIMO system
- mixed-base numbering system
- mixed-base number system
- mixed-radix numeration system
- model-based expert system
- modular system
- monitoring system
- monitor system
- mosaic system - multicomputer system
- multidimensional system
- multifrequency system
- multilevel storage system
- multiloop system
- multimaster communication system
- multimicroprocessor system
- multiple computation system
- multiple-bus system
- multiple-coincident magnetic storage system
- multiple-output control system
- multiplex system
- multiport system
- multiprocessing system
- multiprocessor system
- multiprogramming computer system
- multiprogramming system
- multisite system
- multispeaker system
- multistable system
- multitasking operating system
- multiterminal system
- multiuser computer system
- multiuser system
- multiuser operating system
- multivariable system
- multivariate system
- negative-base number representation system
- negative-base number system
- network operating system
- node-replicated system
- noncomputerized system
- nonconsistently based number system
- nondegenerate system
- number representation system
- numbering system
- number system
- numeral system
- numeration system
- numerical system
- octal number system
- octal system
- office automation system
- off-line system
- on-demand system
- one-level storage system
- one-loop system
- one-over-one address system
- on-line system
- open-ended system
- open system
- open-loop system
- operating system
- operational system
- optical memory system
- overdetermined system
- overload-hold system
- page-on-demand system
- panelboard system
- paper-tape system
- parameter-driven expert system
- pattern recognition system
- peek-a-boo system
- peripheral system
- pipeline system
- polled system
- polymorphic system
- polyphase system
- portable system
- positional representation system
- Post-production system
- priority scheduling system
- priority system
- procedural expert system
- process control system
- processor-sharing system
- production control system
- production system
- program system
- programming system
- protection system
- pulse system
- pulse-or-no-pulse system
- pulse-signal system
- punch card computer system
- pure-binary numeration system
- purposeful system
- quadruplex system
- question-answering system
- queueing system
- queue system
- radix numbering system
- radix number system
- reactive system
- reading system
- real-time expert system
- real-time operating system
- real-time system
- reasoning system
- recognition system
- recording system
- recovery system
- reduntant number system
- reduntant system
- reflected binary number system
- reflected binary system
- refreshment system
- remote-access system
- replicating system
- representation system
- request-repeat system
- rerecording system
- residue number system
- residue system
- resource-sharing system
- restorable system
- retrieval system
- retrieval-only system - robotic system
- robot system
- rule-based expert system
- rule-based system
- scalable system
- selection system
- self-adapting system
- self-adjusting system
- self-aligning system
- self-balancing system
- self-check system
- self-contained system
- self-correcting system
- self-descriptive system
- self-learning system
- self-organizing system
- self-sustained oscillation system
- self-test system
- sensor-based system
- sequential scheduling system
- sexadecimal number system
- sexadecimal system
- shared-files system
- shell expert system
- silicon-development system
- simplex system
- single-drive system
- single-inheritance system
- single-phase clock system
- single-site system
- single-user computer system
- SISO system
- skeletal expert system
- slave system
- soft-sectored disk system
- software system
- sound system
- source code control system
- source-destination system
- space-division system
- stabilizing system
- stable system
- stand-alone system
- start-stop system
- state-determined system
- stepped start-stop system
- stereo system
- stochastically disturbed system
- storage system
- stripped-down expert system
- subsplit system
- supervisor control system
- switching system
- symbolic assembly system
- syntactical system
- system explanation system
- system of logic
- system of notation
- system with delay
- system with time lag
- tabulating system
- tape data processing system
- tape drive system
- tape handling system
- tape operating system
- tape plotting system
- tape resident system
- tape-oriented system
- target system
- taught system
- telecommunictions system
- telecontrol system
- terminal system
- ternary number system
- ternary system
- test system
- testbed system
- text-to-speech system
- time-division system
- time-pattern control system
- time-shared system
- time-shared-bus system
- time-sharing system
- timing system
- total system
- translating system
- translation system
- translator writing system
- transmitting system
- tree-structured system
- trusted computer system
- two-failure mode system
- two-level return system
- two-level system
- two-phase clock system
- ultrastable system
- Unified system
- uninterruptible power system
- uniprocessor system
- unrestorable system
- unstable system
- up system
- variable-lenght record system
- virtual system
- virtual-memory operating system
- vision system
- visual system
- voice/audio processing system
- voice-response system
- volunteer system
- weighted number system
- weighted system
- writing system
- xerox copy system
- zero-one systemEnglish-Russian dictionary of computer science and programming > system
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9 control
1. управление; регулирование; управляемость; стабилизация/ управлять; регулировать2. управляющее устройство; регулятор; орган управления, средство управления; рычаг управления; поверхность управления, руль3. <pl> система управления; система регулирования4. управляющее воздействие, управление; отклонение органа управления; перемещение рычага управления5. контроль6. подавление <напр. колебаний>; предотвращениесм. тж. control,control in the pitch axis4-D controlacceleration controladaptable controladaptive controlaerodynamic controlaeroelastic controlaileron controlair traffic controlairborne controlaircraft controlairspeed controlall-mechanical controlsantispin controlsapproach controlarea controlarrival controlattitude controlaugmented controlsautopilot controlbang-bang controlbank-to-turn controlbimodal controlboundary layer controlbounded controlBTT controlbuoyancy controlbus controlCG controlcable controlcable-operated controlscamber controlcaptain`s controlscenter-of-gravity controlchattering controlclearance controlclosed-loop controlclosed-loop controlscockpit controlcockpit controlscollective controlcollective-pitch controlcolocated controlcompensatory controlconfiguration controlcontinuous controlcooperative controlcoordinated controlscorrosion controlcross controlscrowd controlcruise camber controlcyclic controlcyclic pitch controldamper-induced controldamping controldecentralized controldecoupled controldeformable controlsdeformation controldescent controldifferential controldigital controldirect force controldirect lateral force controldirect lift controldirect lift controlsdirect sideforce controldirect sideforce controlsdirectional controldirectional attitude controldirectional flight path controldiscontinuous controldiscrete controldisplacement controldistributed controldivergence controldrag controldual controlelastic mode controlelectrical signalled controlelevator controlen route air traffic controlengine controlserror controlevader controlFBW controlsfeedback controlfighter controlfinal controlfine controlfinger-on-glass controlfingertip controlfinite-time controlfixed-wing controlflap controlFlettner controlflight controlflight controlsflight path controlflow controlfluidic controlflutter controlflutter mode controlfly-by-glass controlfly-by-light controlsfly-by-wire controlsflying controlflying controlsforce controlforce sensitive controlforce sensitive controlsforebody controlsfountain controlfracture controlfriend/foe controlfuel controlfuel distribution controlfuel efficient controlfuel feed controlfull controlfull nose-down controlfull nose-down to full nose-up controlfull-authority controlfull-authority controlsfull-state controlfull-time fly-by-wire controlgain-scheduled controlglide path controlglideslope controlground-based controlharmonized controlshead-out controlhead-up controlheading controlheld controlshierarchical controlhigh-alpha controlhigh-angle-of-attack controlhigh-bandpass controlhigh-bandwidth controlhigh-speed controlhigher harmonic controlhigher harmonic controlshighly augmented controlsHOTAS controlshover mode controlhovering controlhydromechanical controlin-flight controlindividual blade controlindividual flap cruise camber controlinfra-red emissions controlinner-loop controlinput controlinput/output controlintegral controlintegrated controlinteractive controlsintercom/comms controlsirreversible controljet reaction controlkeyboard controlkeyboard controlsknowledge-based controllaminar flow controllateral controllateral-directional controlleading-edge controlsleft controlLiapunov optimal controllinear quadratic Gaussian controllinear quadratic regulator controlload factor controllongitudinal controllongitudinal cyclic controllow-bandwidth controllow-speed controlLQG controlLyapunov optimal controlmaneuver controlmaneuver camber controlmaneuver load controlmaneuvering controlmanual controlmass-flow controlmicroprocessor based controlMIMO controlminimax optimal controlminimum time controlminimum variance controlmisapplied controlsmission-critical controlmixing controlmodal controlmode controlsmodel-following controlmotion controlmultiaxis controlmultiple model controlmultiple-axis controlmultiple-input/multiple-output controlmultisurface controlmultivariable controlneutral controlsnoise controlnoninertial controlnonlinear feedback controlnonunique controlnose-down controlnose-down pitch controlopen-loop controlopen-loop controlsoptimal controlouter-loop controloxygen controlsperformance seeking controlperiodic controlperturbational controlpilot controlpilot-induced oscillation prone controlpiloting controlpiloting controlspitch controlpitch plane controlpitch-recovery controlpneumatic controlpneumodynamic controlpointing controlpositive controlpost stall controlpower controlpowered controlpredictive controlpressurization controlpreview controlpro-spin controlspropeller controlpropeller controlsproportional plus integral controlpropulsion controlspropulsion system controlspursuer controlpursuit controlradio controlsrate controlrate controlsratio-type controlsreaction controlreconfigurable controlsrecovery controlrecovery controlsreduced order controlrelay controlremote pilot controlresponsive controlrestructurable controlreverse controlreversed controlride controlrigid body controlrobust controlroll controlroll attitude controlroll-axis controlrotational controlrotor controlrudder controlrudder controlsrudder-only controlsea controlself-tuning controlsequence controlservo controlservo-flap controlservo-flap controlsshock controlshock wave/boundary layer controlshort period response controlsideforce controlsidestick controlsidestick controlssight controlssignature controlsingle-axis controlsingle-engine controlsingle-lever controlsingular perturbation optimal controlsix degree-of-freedom controlslew controlslewing controlsliding mode controlssmoothed controlsnap-through controlsoftware-intensive flight controlsspace structure controlstation keeping controlstepsize controlstiffness control of structurestochastic controlstructural controlstructural mode controlsuboptimal controlsuction boundary layer controlsuperaugmented controlswashplate controlsweep controlsystems controltactical controlstail controltail rotor controltailplane controltask-oriented controltask-tailored controltaxying controlterminal controlthin controlthree-surface controlthrottle controlthrust controlthrust magnitude controltight controltilt controltime-of-arrival controltime-optimal controltime/fuel optimal controltip clearance controlto regain controltorque controltorque controlstrailing-edge controlstransient controltranslational controltri-surface controltrim controlturn coordination controlupfront controlupward-tilted controlvariable structure controlvectorial controlvehicular controlvelocity controlvertical controlvibration controlvoice actuated controlsvortex controlvortex manipulation controlvortex-lift controlwing-mounted controlsyaw control
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El Niño-Southern Oscillation — El Niño redirects here. For other uses, see El Niño (disambiguation). ENSO redirects here. For other uses, see Enso (disambiguation). The 1997 El Niño observed by TOPEX/Poseidon. The white areas off the tropical coasts of South and North America… … Wikipedia
Phase response curve — A phase response curve (PRC) illustrates the transient change in the cycle period of an oscillation induced by a perturbation as a function of the phase at which it is received. PRCs are used in various fields; examples of biological oscillations … Wikipedia
Relaxation time — is a general concept in physics for the characteristic time in which a system changes to an equilibrium condition from a non equilibrium condition. It can measure the time dependent response of a system to well defined external stimuli.… … Wikipedia
Fall time — This article is about the electronics concept. For the film, see Fall Time. In electronics, fall time (pulse decay time) is the time required for the amplitude of a pulse to decrease (fall) from a specified value (usually 90 percent of the peak… … Wikipedia
Bølling Oscillation — The Bølling Oscillation was a warm period that occurred during the final stages of the last glaciation of Europe. It corresponds to Pollen zone 1b. Named after a peat sequence discovered at Bølling lake, central Jutland, it was subsequent to the… … Wikipedia
PID controller — A block diagram of a PID controller A proportional–integral–derivative controller (PID controller) is a generic control loop feedback mechanism (controller) widely used in industrial control systems – a PID is the most commonly used feedback… … Wikipedia
spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… … Universalium
Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) … Wikipedia
