R字彙

radar
radar absorbing material
Radar Absorptive Materia (RAM)
radar antenna
radar block diaagram
radar cross section
Radar Cross Section (RCS)
Radar Data Processor (RDP)
radar echo
radar equation
radar horizon
radar navigator
radar range equation
radar signal
radar simulation
radar target

radar， acrostat
radar， air tarffic control
radar， air-surveillence
radar， airborne
radar， airborne mapping
radar， airport surveillence
radar， cherent
radar， civil
radar， continous wave (CW)
radar， FM continuouswave (CW)
radar， ground-based
Radar， Low Probability of Interept (LPIR)
radar， marine
radar， maritime
radar， military
radar， missile guidance
radar， mulistatic
radar， navigation
radar， over-the-phorizon
radar， pulse Doppler
radar， pulsed
radar， search and rescue
radar， shipboard
Radar， SideLooking Airborne (SLAR)
radar， spaceborne
Radar， Synthetic Array (SAR)

radi0 cnetral office
radi0 detector equipment

radial line
radial power outflow
radial waveguide

radiance
radiant intensity
radiated wave
radiatin conductance
radiator
radiator， parallel plate
radioman
radiometer
radiometry
radiop
radiophone
radius of curvature
radius， covering
radome
RAI (Remote Alarm Indication)
raido-frequency spectrum
raisx-R algrithm
raltive permittivity
ranging system
Rary theory
raster scanning
ratio detector
raw information
RCA (Radio Corporation of America)
RCEEA (Radio Communication and Electronic Association)
RCM (Radio Conter Mesrues)
RCS
RCSS (Random Communication Satellite System)
RCS， monostatic
RDF (Rate Distortion Function， R(D))
RDI (Remote Defect Indication)
re-route
reacance， input
reach through avalanche photodiode
reacquistion
reactance
reactance， variable
reactively loaded line
Read diode
realizability condition
reassembly
rebroadcasting
recall
receipt， acknowledge
receive-only earth station
receiving pattern
reception， beam
rechargeable battery
reciprocal polynomial
record telephone
recorded announcement
recoverable satellite
rectifier
recurrence
redio-frequency check receiver
Redirecting Number
reduced-rate call
refactor
reflcction， internal
reflect
reflectance
reflectivity
reflectometer
reflectometer， optical continous wave
refracted near-field method
refracting layer
refractiveness
refractivity
regeneration
regeneratior circuit
regenerator
region of convergence
regio， Mie scattering
register
regression
regular link
Reiger bound
reinserted carrier
rejection， ainlobe clutter
REL (Release Message)
relability
relaying broadcast
relay， microwave radio
relection characteristics
Relflected Binary Code (RBC)
relract
reluctance
remanent flux density
remodulation
renormalization
renumbering
reorder buffer
reordering
repeater， analog
repeller
representative， cost
requantization
reradiate
reradiation
RES (Resume Message)
resend
reservation services
reserved
reset
residence telephone
residue clutter
resilience
resitivity， surface
reslution， high
resolution
resonance， mooecualr
resonator
responder
response
restistance， negative
restistor， microwave
restrictor
Resume Message
resynchronization
retransmit
retrograde orbit
Retrun to Zero (RZ) signaling
returning echo
reversible code
RI (Reference Identifier)
Rice distribution
Richards' transformation
Ricke diagram
ridged horn antenna
ringer， A.C.
ripple
rise time
rising sun magnetron
risteme
Ritz procedure
RLC (Release Complete Message)
RN (Retrival Number)
Robinson scaner
rocket
rod lenses
Rodrigues' formula
root mena square (rms) value
rotaion， polarization
rotating-loop antenna
rotation of corrdinates
rotational casting technique
rotatio， Faraday
Rotman lens
Round-Trip delay
roundoff noise effect
Rowland configuration
RPC (Remote Procedure Call)
RPS (Revoltuions Per Second)
RQ， continous
RR (Remote Release)
Rske demodulator
RTS (Reliable Transfer Service)
ruby laser
RZ (Reutrn-to-Zero)

radiating antena
radiating area
radiating far-field region

radiation
radiation classes
radiation detection satellite
Radiation Dostmeter Satellite
radiation efficiency
radiation equations of aperture antenna
radiation field
radiation fog
radiation frequency
radiation impedance
radiation induced losses
radiation integral
radiation intensity
radiation main love
radiation mechanism
radiation mode
radiation pattern
radiation patterns， cardioid
radiation pressure， solar
radiation resistance
radiation response
Radiation Satellite
radiation sources
radiation transmission

radiation， blackbody
radiation， choerent
radiation， infrared
radiation， parasitic
radiation， thermal

radiative recombination
radiative recombination， lifetimes of

radio
radio aeroduome control
radio aids
radio air letter
radio alarm signal
radio altimeter
radio apparaus
radio astronomy
radio astronomy satellite
radio autocontrol
radio beacon
radio blackout
radio broadcast communication
radio broadcast transimitting station
radio broadcast transmitter
radio broadcasting station
radio building
radio cabin
radio call signal
radio car
radio center
radio channel
radio check
radio circuit
radio common channel(s)
radio communication
radio communication beyond the horizon
radio communication net
radio communication regulation
radio communication service
radio communication， mateur
radio contact
radio control
radio control box
radio control receiver
radio countermeasures
radio data link
radio determination
radio determination station
radio direction finder
Radio Direction Finding (RDF)
radio direction-finding station
radio directional beam
radio directional finder
radio disturbance
radio echo
radio engineer
radio engineering
radio facsimile
radio fade-out
radio fix
radio fixing
radio forum
radio frequency band
radio frequency beam
Radio Frequency Interference{=RFI}
radio frequency{=RF}
radio homing
radio installation
radio instrument
radio intercept
radio intercept station
radio location
radio location service
radio location station
radio log
radio navigation mobile station
radio navigation station
radio navigational aids
radio network
radio noise
radio observation
radio observer
radio operator
radio paging
radio path
radio position finding
radio propagation
radio propagation prediction
radio radiation
radio range finding
radio receiver
radio regulation， aditional
radio repeating
radio scattering
radio signal
radio signal interceptor
radio silence
radio spectrum
radio station
radio station， aeronutical ground
radio station， airboume
radio storm
radio sytem
radio telephone
radio teletype
radio terminal
radio tracking station
radio transceiver
radio transmission
radio transmitter
radio wave
radio wave propagation
radio waveguide
radio window
radio-beacon station
radio-beam transmitting
radio-beam transmitting station
radio-communication frequency
radio-controlled
radio-detection
radio-free
radio-frequency alternator
radio-frequency amplifier
radio-frequency band
radio-frequency cable
radio-frequency channel
radio-frequency line
radio-frequency signal
radio-frequency， air-ground
radio-lising aid
radio-paging service
radio-relay set
radio-telecope antnna
radio-transmission formula
radio-transmitting set
radio-transmitting station
radio-wave reception

radiometer， absolute-power
radiometer， imaging

radiometric emission
radiometric receiver
radiometric techology

radio， matrine
radio， microwave
radio， para-borne
radio，-compass station

rain attenuation
rain backscatter
rain clutter
rain noise temperature
rain reflectivity
rain-induced attenuation

raindrop size distribution
raindrop terminal velocity

raised cosine
raised cosine pulse shape
raised cosine-rolloff filter

Raman amplifier
Raman effect
Raman fiber
Raman interaction
Raman scattering
Raman scattering， stimulated
Raman-induced crosstalk
Raman-induced index change

random access DS-CDMA
random access technique
random code
random coding
random error
random field
Random Multiple Access{=RMA}
random noise
random number algorithm
random number sequence， properties of
random phase error
random phase error of aperture
random process
random process， Gaussian
random process， stationary
random sampling
random scatter
random search
random sequence
random signal， spectrum analysis for
random unmber generation
random variables
random variables， discrete
random walk
random-error-correcting code
random-search algorithm

range
range ambiguity
range bin
range discriminant (in tracking loops)
range Doppler coupling
range equation
range finding
range gate
range hlind zones
range of bearings
range resolution
range sidelobe
range tracking
range-gate tracking

range， equisition
range， multiple-track

RAT (Receiver And Transmitter)
rat-race circuit

rate distortion bound
Rate Distortion Function (RDF)
rate equation， laser
rate of information transmission
rate of lost call
rate of occurrence of errors

rate， baud
rate， nominal modulation

rational system function
rational system function allpass system
rational system function frequency response of
rational system function， impulse response of
rational system function， magnitude-phase relation-ship of
rational system function， minimum-phase

ratio， likeihood
ratio， mark-to-space
ratio， peak-to-RMS

ray model
ray tracing

Rayleigh criterion
Rayleigh critical angle
Rayleigh distribution
Rayleigh fading
Rayleigh fading channel
Rayleigh PDF
Rayleigh region
Rayleigh roughness criterion
Rayleigh scattering
Rayleigh scattering attenuation
Rayleigh scattering region
Rayleigh target model
Rayleigh-Jeans law
Rayleigh-Ritz method
Rayleigh-Ritz procedure

ray， helical
ray， meridional
ray， skew

RCC (Radio Common Carries)
RCC (Radio Common Center)
RCC (Radio Common Channel)

RCV (receive)
RCV (receiver)

reaction
reaction theorem

reactive current
reactive matching， series type
reactive matching， shunt type
reactive near-field region
reactive power
reactive power divider

real exponential sequence
real time
real time processing
real-valued Fourier matrix

receiver bandwidth
receiver crosstalk
receiver degradation
receiver front ends
receiver front ends， RC equalizer of
receiver front ends， transfer function of
receiver isolation
receiver noise
receiver noise temperature
receiver output waveform
receiver protection device
receiver sensitivity
receiver structure
receiver synchronization

receiver， amplitude-modulation
receiver， analog
receiver， anit-jam
receiver， correlator
receiver， digital
receiver， dual-channel
receiver， dynamic range of
receiver， equlization of
receiver， high impedance front and structures of
receiver， linear
receiver， linear channel
receiver， logarithmic
receiver， low impedance front end structures of
receiver， main amplifier of
receiver， panoramic
receiver， preamplifier circuits of
receiver， quantum limit of
receiver， radar
receiver， transimpedance front end structures of

reciprocity
reciprocity for antennas
reciprocity for circuits
reciprocity for microwave network
reciprocity law， thermal
reciprocity theorem

recognition， abnormal
recognition， pattern

reconstructed frame
reconstructed picture

reconstruction error， filtered
reconstruction filter
reconstruction of bandimited signals

recording room
recording studio
recording system

recovery
Recovery Pending
Recovery Response Pending
recovery time

rectangular aperture antenna
rectangular aperture continuous sources
rectangular array
rectangular cavity
rectangular chamber for antenna measurement
rectangular coordinate
rectangular guide
rectangular horn
rectangular horn antenna
rectangular horn， optimum
rectangular loop
rectangular microstrip patch antenna
rectangular waveguide
rectangular window
rectangular-to-polar graphical solution of array

recursive adaptation algorithm
recursive adaptive filter
recursive difference equation
recursive filters， adaptive
recursive least-squares
recursive least-squares algorithm

Redirection Information
Redirection Number
Redirection Number Restriction

redundancy
redundancy and irrelevancy
redundancy in digital transmission
redundancy of discrete-amplitude source

redundant bits
redundant coding
redundant information

Reed-Muller code
Reed-Solomon codes

refactive index soltion
refactive index tensor
refactive index， complex

reference amplitude
reference angle
reference antenna
reference component
reference field
reference frame
reference frequency
reference level
reference model
reference picture
reference quantizer

reflected lobe
reflected power
reflected ray
reflected wave

reflecting angle
reflecting antenna
reflecting beam waveguide
reflecting boundary
reflecting layer
reflecting satellite communication antenna
reflecting surface

reflection
reflection angle
reflection coefficient
reflection echo
reflection effect
reflection extrinsic attenuation
reflection factor
reflection filter
reflection gain
reflection loss
reflection noise
reflection-coefficient charts

reflection， meteoric
reflection， multiple
reflection， surface

reflector
reflector antenna
reflector satellite
reflector-type antenna

reflector， aperture distributio， method for
reflector， Arecibo
reflector， blockage efficiency of
reflector， Bruderhedral calibration
reflector， conic section
reflector， cornucopias horn
reflector， cross polarization of
reflector， current distribution method for
reflector， defocused
reflector， Effelsberg
reflector， ellipsoidal
reflector， elliptical
reflector， f/d ratio of
reflector， focal point of
reflector， frequency-sensitive
reflector， front fed
reflector， hourglass
reflector， hyperbolical
reflector， hyperboloidal
reflector， large-aperture
reflector， multiple-beam
reflector， offset-fed paraboloidal
reflector， parabolic
reflector， parabolic cylinder
reflector， parabolidal
reflector， passive
reflector， periscope
reflector， planar
reflector， polarization-sensitive
reflector， random error efficiency of
reflector， shaped
reflector， shaped paraboloidal
reflector， shaped-beam
reflector， spherical
reflector， spillover efficiency of
reflector， surface geometry of
reflector， taper efficiency of
reflector， vertex-plate
reflector， virtual feed of

reflex klystron
reflex klystron， Applegate digram of

refraction
refraction angle

refraction， anomalous
refraction， tropospheric

refractive index
refractive index change
refractive index change， electrooptically induced
refractive index definition
refractive index distribution
refractive index lightguides
refractive index matching material
refractive index normalized difference
refractive index phase grating
refractive index profile
refractive index profile measurement
refractive index profiling
refractive index Sellmeier equation
refractive index， effective
refractive index， small-scale variations on

regenerative baseband recovery
regenerative receiver
regenerative repeater

regional center
regional satellite communication

region， Fuanhofer
region， Mie (resonance0

regulator
regulator circuit

Relative Address Coding (RAC)
relative calibration
Relative Element Address Designate (READ) coding
relative fefractive index difference
relative gain
relative humidity
relative peremability

relaxation frequency
relaxation oscillation
relaxation oscillation frequency
relaxation time

relay
relay broadcasting
relay center
relay repeater
relay satellite
relay station
relay transmission

release abnormal
release condition， abnormal
Release Message

Remote Alarm indication
remote calling system
remote concertration
remote control， eletronic
remote data station
Remote Defect Indication
remote mate
remote terminal
Remote Terminal (RT)

repeater
repeater configuration
repeater exchanger
repeater gain， undersea
repeater spacing
repeater station

repetition finterval
repetition frequency
repetition interval
repetition rate

Request Disconnect (RD)
Request Initialization Mode (RIM)
request-reply service
Request/Response Unit (RU)

reserve channel
reserve route

residual error-rate
residual fulx density
residual sideband

resonance
resonance region

resonant antenna
resonant circuit
resonant loop
resonant slot

resonators， distributed laser
resonators， mshort and coupled laser
resonators， multiple element

resonator， foreshortened coaxial
resonator， microwave
resonator， Q of

Resource Management
resource sharing

response， amplitude
response， Gaussian pulse
response， phase

responsivity
responsivity (optical detector)

restart interval
restart marker

retarded potential
retarded scalar potenital
retarded vector potential

retransmission
retransmission buffer

return
return current coefficient
return loss
return loss measureing set
return path
return time
Return to Zero code{=RZ}
Return-to-Zero (RZ)

reverse bias
reverse direction
reverse directional coupler
Reverse Indicator
reverse leadage current
reverse playback
reverse saturation current

RF amplifier
RF beam
RF oscillator
RF parameter
RF transmission system

RFA (Radio Frequency Amplinfier)
RFA (Radio-Frequency Authorizations)

RFC (Radio Frequency Choke)
RFC 822

rhombic antenna
rhombic array
rhombic long wire antenna
rhombic loop

ribbon cable
ribbon of current
ribbon splicing

Riblet short-slot coupler
Riblet-Saad coupler

Rician distribution
Rician fading channel
Rician PDF

ridge waveguide
ridge-loaded born
ridge-loaded gride

right spherical triangle
right-hand rule
right-sided sequences

ring
ring antenna
ring back tone
Ring Laser Gyro{=RLG}
ring modulator
ring network
ring-back key

ringing circuit
ringing code
ringing slot antenna
ringing tone

RM (Resource Management)
RM codes (Reed-Mullercodes)

RMS (Root Mean Square)
rms bandwidth
rms impulse response

robust adaptive quantizer
robust LMS algorithm

roll compensation
roll control
roll-call
roll-call polling

rotary dailer
rotary joint
rotary splice
rotary-vane attenuatior

route
route advisiory
route busy hours
route marker control poute planning
route planning
route selection system

routing control
Routing Control Center (RCC)
Routing Label

routing， adptive
routing， broadcast
routing， delta
routing， flooding
routing， multidestnation

RS 232C
RS-232
RS-422
RS-423
RS-449

RT (Receive-Transmit)
RT (Receiver-Transmitter)

run length
run length coding
run length encoding

rural automatic exchange
rural telephone
rural telephone system

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