L字彙

L band
L-step decoding
L-step majority-logic decoding

laed-in aerial
Lambert's law
LAN design
LANDSAT (land satellite)
Lange coupler
language， machine
lasing
Last Conformance Time
latent output
latitude
law of large numbers
Laws and Parsons drop size distribtuion
layered radome wall
LCT (Last Conformance Time)
LD-fiber coupling
LDSWBD (Long Distance SwitchBoarD)
lead inductance effect
leading-edge tracker
learning algoritm， backward
leased line
left-handed sequences
length， non-cpmpensated
lensed-fiber components
lensless component
Lenz's law
less probable symbol
Levinson's recursion
Levinson-Durbin algorithm
Lewis scanner
lifetime
lightening
lightguide
light， velocity of
limiter
limiter， amplitude
limiting amplifier
limter， hard
lin-log detector
LiNbO3 (lithium niobate)
Lincoln Laboratory
linearized TWTA
linearly polarized{=LP} mode
linewidth
LiTaO3 (lithium tantalage)
lithography， integrated optics
Litrow configuration
little endian computer
Little's formula
Little's result
LL (Leased Line)
Lloyd-Max quantizer
loaded line
loading factor
loads
load， artifical
lobe switching
LOC (Loss of Cell Delineation)
lockup
logarithm
logarithmical quantizer
logic interface
longitude zero (Greenwich)
loopback test
LOS (Loss of Signal)
lospass FIR filter design， sindowing for
los， return
loud speaking telephone
Love's field equivalence principle
LPE
LPO (Local Processor Outage)
LPS
LR (Local Release)
LS (Launch-Station)
LSA (Limited Space-charge Accumulation)
LSE mode (longitudinal-Section Electric mode)
LSM mode (Lingitudinal-Section Magnetic mode)
LUF (Lowest Usable Frequency)
Luneburg lens

Lambertian intensity distribution
Lambertian source

land backscatter
land clutter
land mobile satellite

LAP-B (link Access ProtocolBalanced)
LAP-D

Laplace equation
Laplace probability density function
Laplace transforms

Laplacian distrbution
Laplacian operator
Laplacian source

large loop
Large Optical Cavity{=LOC} laser
large-scale integrated circuits (LSI)
Large-Scale-Integration{=LSI}

laser
LASER (Light Amplification by Stimulated Emission of Radiation)
laser amplifier
laser broadened transition
laser cavity
laser communications
laser diode
Laser Diode (LD)， buried crescent
Laser Diode (LD)， buried heterostructure
Laser Diode (LD)， buried-channel substrate
Laser Diode (LD)， channel substrate
Laser Diode (LD)， Clcaved Coupled-Cavity (C3)
Laser Diode (LD)， Distributed Bragg Reflector (DBR)
Laser Diode (LD)， external cavity
Laser Diode (LD)， gain-guided
Laser Diode (LD)， index-guided
Laser Diode (LD)， interferometric
Laser Diode (LD)， Large Optical Cavity (LOC)
Laser Diode (LD)， modulation of
Laser Diode (LD)， oxide stripe
Laser Diode (LD)， planar buried-heterostructure
Laser Diode (LD)， proton-bombarded
Laser Diode (LD)， ridge waveguide
Laser Diode (LD)， short cavity
Laser Diode (LD)， single-mode
Laser Diode (LD)， V-groove stripe
laser diode aging
laser diode bandwidth
laser diode drive circuit
laser diode lifetime
laser gain-curve
laser modes
laser oscillation
laser population inversion
laser radar
laser threshold gain
laser threshold-conditon
laser's parasitic-limited bandwidth

laser， carrier confinement of semicoductor
laser， characteristics of semiconductor
laser， Continuous Wave (CW) operation of semiconductor
laser， coupling (to fiber) for semiconductor
laser， current confinement of semiconductor
laser， dark line defects of semiconductor
laser， degradation of semiconductor
laser， Distributed Bragg Reflector (DBR)
laser， drive circuits of semiconductor
laser， dynamic response of semiconductor
laser， efficiency of semiconductor
laser， electrical and optical containment of semiconductor
laser， emission pattern of semiconductor
laser， external power efficiency of semiconductor
laser， far field intensity distribution of semiconductor
laser， feedback control for semiconductor
laser， GaAs/AlGaAs injection
laser， GaInAsP/InP
laser， injection locked semiconductor
laser， kinks of semiconductor
laser， light output against current characteristic of semiconductor
laser， linewidth of semiconductor
laser， material of
laser， mid-infrared
laser， mode hopping of semiconductor
laser， mode of semiconductor
laser， monochromaticity of
laser， multimode of semiconduction
laser， Nd:YAG
laser， noise of semiconductor
laser， operation of
laser， output power of semiconductor
laser， output spectrum of semiconductor
laser， packaging for semiconductor
laser， prebiassing of semiconductor
laser， radiation confinement of semiconductor
laser， Relaxation Oscillations (RO) in semiconductor
laser， risetime of semiconductor
laser， selfpulsaations of semiconductor
laser， single mode of semiconductor
laser， spot size of semiconductor
laser， stripe geometry of semiconductor
laser， switch-on delay of semiconductor
laser， temperature dependence of semiconductor
laser， thormelectric cooling for semiconductor
laser， threshold current density of semiconductor
laser， threshold current of semiconductor
laser， threshold gain coeffi-cient of semiconductor
laser， threshold temperature coefficient of semiconductor

lattice constant
lattice filter
lattice form
lattice matching
lattice parameter
lattice structure
lattice structure for VQ

law， Gauss'
law， Juole's
law， sines

layer
layer I
layer II
layer III
Layer Management
Layer Management Entity

layer， Appleton
layer， patch control

Leaky Bucket
leaky LMS algorithm
leaky mode
leaky wave
leaky wave antenna
leaky wave aperture

Least Common Multiple{=LCM}
Least Mean Square{=LMS} algorithm
Least Significant Bit{=LSB}
least-cost routing algorithm
least-mean-squares (LMS) algorithm
least-squares algorithm

LED aging
Led aralog modulation
LED bandwidth
LED cutoff frequency
LED drive circuit
LED equivalent circuit
LED lifetime
LED modulation

LED， Edge-emitting (ELED)
LED， GaAs/AsGaAs
LED， internal quantum efficiency of
LED， launched power of
LED， life test for
LED， light， temperature characteristics of
LED， liquid-phase epitaxy in
LED， modulation bandwidth of
LED， net carriers of
LED， non-radiative and radiative recombination life-times of
LED， operating life times of
LED， output spectrum of
LED， parasitic capacitance of
LED， power efficiency of
LED， recombination radiation of
LED， relability degradation mechanisms of
LED， reliaility degradation rate constant of
LED， spectral width of
LED， superluminescent of
LED， surface emitters
LED， surface recombination velocity of
LED， total carrier lifetime of

Legendre equation
Legendre function
Legendre symbol

lens antenna
lens antenna， artifical dielectrics
lens antenna， compound
lens antenna， dual-surface
lens antenna， metal-plate
lens antenna， single-surface
lens antenna， surface mismatch of
lens antenna， zoning of
lens confocal

lens， ball
lens， bifocal
lens， cylindrical
lens， dielectric
lens， dome
lens， emmetropia
lens， focal length of
lens， gee-crate
lens， phased-array
lens， prinicpal planes of
lens， refractive
lens， rod
lens， surface formulas of
lens， waveguide
lens， zoned
lens， zoning of

level
level shift

light emitting diode{=LED}
light reflection loss
light source

lightning protection
lightning protection sand-box set

lightwave communications system
lightwave communications system attenuation
lightwave transmission system amplifier

likelihood function
likelihood ratio

limited bandwidth
Limited Sapce-charge Accumulation (LSA)diode

line coding
line encoding， AMI
line encoding， nonreturn-to-zero
line encoding， return-to-zero
line enhancer
Line Hunting
line is busy
line losses
line of sight{=LOS}
line parameter
line stretcher
line-of-sight media

linear adaptation
linear antenna
linear aperture distributions
linear array
linear array antennas
linear block codes
linear block coding
linear code
linear constant-coefficient difference equations， signal flow graph representation of
linear convolution
linear detector
linear dipendent
linear disotrtion
linear distribution
linear encoding
linear equalization
linear estimation
linear filter
Linear FM{=LFM}
linear frequency modulation
linear independent
linear matter
linear modulation
linear phase
linear phase FIR filter design， windowing for
linear polarization
linear polarized wave
linear prediction
linear predictive conding{=LPC}
linear programming
linear programming bound
linear quantizer
linear random-search algorithm
linear retardation
linear system
linear time-invariant discrete-time system
linear time-invariant system
linear transform of order N
linear transformation
linear zero-forcing equalization
linear-feedback shift-register， maximal length

linearity
linearity of FMCW ramp
linearity property of discrete Fourier transform
linearity property of Fourier transform
linearity property of Z-transform
linearity propety of discrete Fourier series

liner constant-coefficient difference equations
liner-phase filter

line， aumiliary
line， open-circutied
line， open-wire vioce
line， party

link
Link Access Procedure{=LAP}
link budget
link layer
link protocol

link， intersatllite
link， microwave radio relay

Liquid Phase Epitaxy (LPE)
liquid phase epitaxy boat design
liquid phase epitaxy dopants
liquid phase epitaxy optoelectronic integrate circuits
liquid phase epitaxy， growth method for
liquid phase epitaxy， regrowth of
liquid phase epitaxy， saturation seed of

Listen Before Talk (LBT)
Listen While Talk (LWT)

lithium niobate (Li NbO3)
lithium niobate crossbar switch
lithium niobate dielectric tensor
lithium niobate directional coupler switches
lithium niobate electroptic coeffcient
lithium niobate integrated optics proton exchange
lithium niobate ion-exchanged glass components
lithium niobate linear polarization
lithium niobate mode-converter
lithium niobate modulator
lithium niobate polarization
lithium niobate proton exchange
lithium niobate， refractive index of
lithium tantalate (LiTaO3)

LMS
LMS learning curve
LMS-Newton algorithm

load line
load time

local and rural network application
Local Area Network{=LAN}
Local Area Network{=LAN} protocols
Local Area Transport Arrangement{=LATA}
Local Automatic Message Accounting{=LAMA}
local call
local central office
Local Congestion
local distribution network
local light injection
local loop
local network access protocol
local office
Local Oscillator{=LO}
local splice loss detection
Local Switch{=LS}

Location
Location Number

lock exclusive
lock range
lock shared
Lock-On-After-Launch{=LOAL} seeker
Lock-On-Before-Lauuch (LOBL) seeker

log spiral radome
log-eriodic antenna， feeder impedance of
log-eriodic antenna， phasing of
log-likelihood function
log-normal clutter
log-normal distribtuion
log-normal target model
log-periodic antenna
log-periodic antenna array
log-periodic antenna spacing constant of
log-periodic antenna， feeder radiation of
log-periodic antenna， geometric ratio of
log-periodic antenna， half apex angle of
log-periodic antenna， planar surfaces
log-periodic antenna， squint of
log-periodic antenna， truncation constant of
log-periodic antenna， wire surface
log-periodic dipole array
log-spiral antenna

logarithmic amplifier
logarithmic detection
logarithmic spiral

Logical Link Control{=LLC}
Logical Link Control{=LLC} protocol
Logical Link Control{=LLC} services
logical unit

long haul
long haul network
long wavelength optical detector
Long Wave{=LW}
long window
long wire antennal
long wire traveling wave antenna
long-haul system
Long-Range Navigation{=LORAN}

Longitudinal Redundancy Check{=LRC}
longitudinal waveguide slot

look angle of antenna
look-up

loop
loop checking
loop circuit
loop coupling for cavities
loop dial(l)ing
loop disconnect pulsing
loop distribution system
loop meansurement
loop pulsing
loop receiver
loop stop
loop test
loop transmission

loop， ferrite
loop， parasitic
loop， polyognal

loose fiber-bundle
loose tube
loose tube cable attenuation

loosely bound wave
loosely coupled system

Loran
Loran station
Loran-A
Loran-B-type station
Loran-C
Loran-D

Lorentz condition
Lorentz reciprocity theorem
Lorentz's force equation

loss
loss angle
loss budget analysis
loss call
loss factro
loss limit lighwave communications system
Loss of Cell Delineation
loss of contact
Loss Of Continuity
loss of frmae alignment
Loss of Signal
loss of sysnchronism
loss percentage
loss probability
loss tangent
loss terms

lossless
lossless coding
lossless network

lossy
lossy dielectric

loss， aperture-tp-medium coupling
loss， balance returm
loss， connector
loss， diffraction
loss， excess
loss， extrinsic
loss， fiber
loss， intrinsic
loss， joint
loss， local
loss， mean echo balance retrun
loss， misamtch
loss， noncoherent combining
loss， passive balance return
loss， passive return
loss， path
loss， splice
loss， transient

low altitude detection
low angle tracking
low complexity coder
low disparity binary code
low disparity ternary code
low emission
low frequency enhancement
low frequency radio range
Low Frequency Tran-lonos-pheric Satellite
Low Frequency{=LF}
Low Layer Compatibility
Low Layer Information
low loss waveguide
Low Noise Amplifier{=LNA}
low noise circuit
low noise preamplifier
low noise receiver
low orbit
low orbit space station
Low Pass Filter{=LPF}
Low Pass{=LP}
low PRF
Low Probability of Intercept Radar (LPIR)
low radio frequency
low speed paper tape reader
low traffic
low-altitude satellite
low-duty cycle
low-frequency
low-frequency amplifier
low-frequency antennal
low-frequency channel
low-frequency dialing
low-impedance receiver front end
low-loss line
low-orbit injection
low-pass filter
low-pass signal
low-PRF radar
low-priority traffic
low-probability of intercept{=LPI}

lower cutoff frequency
lower limit of hearing
lower sideband

lowest effective power
lowest useable frequency
lowest useful high frquency

lowpass filter
lowpass frequency-selective filter， anti-aliasing
lowpass signal

LP (Log Periodic)
LP mode cutoff
LP mode cutoff wavelength
LP mode field function
Lp mode leakage loss
LP mode loss coefficient
LP mode V value

LSB (lower sideband)
LSB communication

luminance
luminance component

lunar booster
lunar craft
Lunar Orbiter
Lunar probe communication
lunar satellite

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