F字彙

F (Farad)
F band

FAA (Facility Accept Meassage)
FAC (Frequency Allocation Committee)
facet formation
FADU (File Access Data Unit)
failrue， aging
fairness
fall velocity
Fano algorithm
FASNET
fatigue resistance， sillica fibers
fatigue， structure
faults， measurement of
FAX (facsimile)
FBSS/CDMA
FC (carrier frequecy)
FCB (Frequency Control Board)
FDCT
FDECMA
FDMA/SDMA， without switches
FEAC (Far End Alarm and Control)
features of hydrogen induced absorption
FEBE (Far End Receive Failure)
Federal Communications Commission (FCC)
feedback， performance
feeder cable
feermagentism
fefractive index， relative
Fermat's principle
ferrite isolator
FFT
fi.ter， causal
fidelity
fideotex
FIFO (First In First Out)
filament current
filterbank
filtering gain
fimament of current
fin-line
fingle frequency noise
finter， matched
FITS， failure rate of
flame fusion
flammability
flanges
flap， solar torque
flaw size， critical
flaws
fleet satellite communication system (FLEETSATCOM)
FLEETSATCOM (fleet satellite communication)
flextre connector
flipflops
FLIR (forward-looking infrared)
floating deck modulator
Floquet's periodicity theorem
Floquet's theorem
fluctuating target
fluctuation， phase angle
fluorine
flux， magetic
FMD (Functional Management Data)
focus of ellipse
focused synthetic array
fog， advection
foldover
follding routing
forbidden
forced updating
FOT (forward Transfer Message)
fractional bandwidth
fragment
fragmentation
Frank codes
Franklin array
freqency cutoff
frequencies， microwave
Fresne's equations
frgure of merit (G/T) for scan， fan， and hopping beams
FRJ (Facility Reject Message)
FRM (Fast Resource Management)
Frunhofer zone
Fuchs-Londheimer equation
funsion splicing alignment retention hardware
fused-head-end technique
fuzing
FWX (Forward index)

Fabry-Perot cavity
Fabry-Perot cavity laser
Fabry-Perot{=FP} resonator

Facility Reject Message
Facility Accepted Message
Facility Indicator
Facility Request Message

facotr， excess avalanche noise
facotr， obliquity

facsimile
facsimile bandwidth
facsimile transmission time

facsimile， analog
facsimile， white paper compression

factor， address mulitplicity
factor， beamwidth
factor， channel-noise
factor， error probability amplification
factor， multiplication

fading
fading channel
fading distortion
fading margin

failure analysis
failure density function
failure mode， structure of
failure probability
failure probability， cumulative
failure rate
failure time

false alarm
false alarm rate
false detection
false target

fan antenna
fan beam
fan diples
fan-beam pattern

FAR (Facility Request message)
Far End Alarm and Control
Far End Block Error
far field
far field intensity distribution of fiber
far field intensity distribution of injection laser
far zone
far-field antenna range
far-field criterion
far-field region

Faraday effect
Faraday roation
Faraday roation switches
Faraday's law

fast connect circuit switching
fast forward playback
fast Fourier fransform
fast Fourier transform
fast Fourier transformation
Fast Fourier Transform{=FFT}
Fast Frequency-Shift Keying{=FFSK}
fast Kalman algorithm
Fast Resource Management
fast reverse playback
fast wave
fast wave antenna
fast-wave device

fault location in fiber link
Fault Management

FCC (Federal Communications Comission)
FCC (Federal Communications Comission) bureaus

FDM (Fiber Division Multipexing)
FDM-FM-FDMA

feedback
feedback channel
feedback control for injection laser
feedback decoding
feedback error control
feedback-induced intercavity noise

feerite circulator
feerite core baluns
feerite loop
feerite modulator

feerule connector
feerule-to-ferrule alignment mechanism attenuation

Fermi energy level
Fermi-Dirac distribution

FH spread spectrum signal
FH-CDMA

fiber axial compression
fiber bandwidth
fiber cleaving
fiber dispersion
Fiber Distributed Data Interface{=FDDI}
fiber drawing
fiber Ethemet
fiber jutt-jointed
fiber lifetime
fiber loop
fiber loose buffer
fiber optic cable
Fiber Optic Gyro{=FOG}
fiber optic networks backbone
fiber optic system
fiber optics
fiber tight buffer
Fiber Transmission standards{=FT }
fiber waveguide
fiber-optical communications
fiber-Raman laser

fibernet
Fibernet II

fiber， dummy
fiber， graded index optical
fiber， high sillica
fiber， moulti-core
fiber， PANDA
fiber， parabolic profile
fiber， plastic
fiber， Plastic-Clad Sillica (PCS)
fiber， polarization-maintaining
fiber， polarization-preserving
fiber， silica rich glass optical

field
field coordinates
Field Effect Transistor{=FET}
field element， order of
field element， primitive
field equivalence principle of aperture antenna
field function
field of view{=FOV}
field picture
field quantities
field region
field region， (Fresnel) radiating near
field region， reacive near-field
field strenght (intensity)
field stucture picture
field telephone

field， characteristic of
field， evanescent
field， prime

figure eight
figure of merit (G/T) gain slope (tilt)
figure of merit (G/T) reliability increase
figure of merit (G/T) structure
figure of merit (G/T)， earth station
figure of merit (G/T)， Intelsat Standard A
figure of quailty

file access data unit
file open regime
file selection regime
file transfer
File Transfer Access and Manipulation (FTAM)
File Transfer Protocols{=FTP}

filter
filter bank
filter bank， digital
filter design
filter for equalizer
filter for multiplexer
filter length effect

filter， adaptive equalizing
filter， all-pole
filter， allpass
filter， anti-aliasing
filter， band
filter， band rejection
filter， bandpass optical
filter， cascated optical
filter， dielectric
filter， digital
filter， dual-mode waveguide
filter， entral band
filter， hing power
filter， integrate-and-dump
filter， integrated optical
filter， interference of
filter， linear-phase
filter， noise weithting
filter， nonrecursive adaptive
filter， polarization
filter， staddle loss of
filter， tilt in ain spectrum of
filter， varactor-tuned

finite diameter dipoles
finite feed gap dipoles
finite field
finite filter length effect
finite geometires， Euclidean
finite geometry block code
finite gropu
Finite Impulse Response{=FIR}
finite length depoles
finite splitting gield
finite state macchine
Finite State Vector Quantizer{=FSVQ}
finite-numerical precision effect

FIR (Filght Information Region)
FIR adaptive Filiter
FIR filter synthesis
FIR linear Phase System

Fire code
fire control
fire control radar
fire retardance

first event error probability
first generation system
first point of Aries

fixed attenuator
fixed routing
Fixed Satellite Service{=FSS}
fixed segmentation

flag
flag bit
flag field

flat plate
flat plate antennal
flat plate calibration reflector
flat-plate reflector

flip-flop
flip-flop mode

flooding bridge routing
flooding news routing

flow based routing
flow control
flow graph analysis
flow sources

fluoride
fluoride glass

flux density
flux lines
flux-cutting emf

flywheel (momentum wheel)
flywheel period

FM (Fault Management)
FM capture effect
FM continuous-wave{=CW} radar
FM detector
FM noise
FM PLL demodulator
FM ranging
FM receiver
FM stereo
FM transimitting antenna
FM/FDM (Frequency Modulation/Frequency Division Mutiplex)

FMCW radar
FMCW RCS measurement system
FMCW waveform

focal length
focal length， antenna
focal plane field

fog
fog attenuation

folded balun
folded dipole
folded dipole， antenna mode of
folded dipole， transmission line mode of
folded spectrum
folded unidrectional bus
folded-waveguide circuit

foliage attenuation
foliage penetration

forward biassd P-N junction
Forward Call Indicator
forward compatibility
forward cscatter
forward discrete cosine transform
forward error correction{=FEC}
forward motion vector
Forward transfer message
forward-looking infrared
forward-search algrithm

Foster scanner
Foster Sealy detector
Foster's reactance theorem

four-rod connector
four-to-one balun
four-wire telephone connection

Fourier analysis
Fourier analysis of signals
Fourier series
Fourier series expansion syntheisis of array
Fourier series synthesis
Fourier spectrum
Fourier transform
Fourier-Legendre series

fracture
fracture mechanics model
fracture mechanics theory

fram
Fram Check Sequence (FCS)
fram efficiency， TDMA

frame format
frame header
Frame Mode Bearer Service
frame period
frame picture
frame rate
frame structure picture
frame time
frame timing

framing
framing bit
framing error

Fraunhofer far-field region
Fraunhofer region

free distance
free electron
free format
free space
free space loss
free space transmission
free-sapce attenuation

frequecny division modulation
frequecny lock

frequecny， beat
frequecny， blanketing
frequecny， boundary

frequency
frequency acquisition
frequency agile modem
frequency agility
frequency allocation (assignment)
Frequency Allocation Commifee (FAC)
frequency band
frequency coding
frequency coherence
frequency conversion
frequency converter
frequency correlation
frequency dependent coding
frequency deviation
frequency deviation ratio
frequency discrimination
frequency discrinimator
frequency distortion
frequency diversity
frequency divider
Frequency Division Multiple Access{=FDMA}
frequency division multiplexing{=FDM}
frequency domain coding
frequency doubler
frequency hopping
Frequency Hopping Multiple Access{=FHMA}
Frequency Hop{=FH}
frequency idler
frequency interlacing
frequency line
frequency modulation index
frequency modulation of subcarrier
Frequency Modulation/Frequcny Division Multiple Access(FM/FDMA)
Frequency Modulation/Frequcny Division Mutiplex (FM/FDM)
Frequency Modulation/Frequency Division Multiple Access{=FM/FDMA}
Frequency Modulation{=FM}
frequency modulator
frequency multiplier
frequency nonselective channel
frequency offset
frequency planning
frequency resolution
Frequency response
frequency reuse
frequency scan
frequency selective channel
Frequency Shift Keying{=FSK}
frequency shifter
frequency spectrum
frequency stability
frequency stabilization circuits
frequency stepping
frequency synthesizer
Frequency Time Standard{=FTS}
frequency transfer function
frequency translation
Frequency-Hopped (FH)spread spectrum signals
frequency-independent antenna
frequency-invariant linear filtering
Frequency-Modulate CW (FM-CW)
frequency-power limitation
frequency-response compensation
frequency-rstepped waveform

frequency， alert
frequency， alterrate
frequency， guard band
frequency， lowest useful high
frequency， night
frequency， nomalized
frequency， optimum fransmission
frequency， penetration
frequency， photodiode cutoff

Fresnel intergral
Fresnel loss
Fresnel refection coefficient
Fresnel reflection
Fresnel region
Fresnel relationships
Fresnel zone

Friis transmission equation
Friis transmission Formula

front end
front-end network processor
Front-End Processor (FEP)

FSK (Frequency-Shift Deying)， noncoherent
FSK (Frequency-Shift Keying)， coherent

fuel depletion
fuel lifetime
fuel line filter
fuel tanks

full connected topology
full duplex
full progression
Full Variable Demand Access (FVDA)
Full Width HalfPower (FFWHP) points
full-duplex channel

function， faailure density
function， harmonic
function， likelhood
function， periodic

fundamental frequency
fundamental mode
fundamental units

fusion splices
fusion splicing hardware

future reference field
future reference frame
future reference picture

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