B字彙

Biot-Savart law
babble
Babinet's principle
Babinet-Booker principle
backfire antenna
backlog
backpack transmitter
backplane connector
balance return loss
Balancer
ball lenses
ballistic Missile Early Warning System(BMEWS)
BALUN(balancedunbalanced)circuit
Baluns
baluns，ferrite core
Baluns，infinite
bampire tap
bandstop filter
bands， frequency
bandtail states
bandwidth，3-dB
bandwidth，absolute
bandwidth，instantaneous receiver
bandwidth，modulation
bandwidth，pattern
bandwidth，single-mode fibers
band，bright
band，I
band，Ku
band，P
bank
bar code
bariable length ancillary data
BARITT diodes
Bark
barred access
barretter
Bartlett window
base station
baseline sequential
batwing antenna
baud
Baudot code
bazooka balun
BBS(Broadcasting Satellite Service)
bcakward-wave amplifier
BCD(Binary Coded Decimal)
BCR(Block Cell Rate)
beacon，outer marker
beamscaning
Bearer capability
Beaufort scale
BECN(Backward Explicit Congestion Notification)
bends，waveguide
Berlekamp aigorithm
Bestigial SideBand (VSB) modulation
BETA signal
biased momentum attitude system
Bickmore-Spellmire distribution
bidirectionally predictivecoded picture
bifin log-periodic antenna
bifurcated waveguide
big value
bilateral Z-transform
bilinear transformation
billistic missile
bimodal transmission
bimolecular recombination
BIP-8(Bit Interleaved Parity-8)
bird clutter
birth-death system
BISDN(Broadband Integrated Services Digital Network)
bitemary
biternary code
BITNET
bitwise operator
bit，parity
Blackman window
blade aircraft antenna
blank
blanketing frequency
bleaching，photo-
bling zone，Doppler
blip-scan ratio
blockage efficiency
blocking network
blurring
BM EWS(Ballistic Missile Early Warning System)
board
bond
Boolean function
booth
bootlace lens antenna
boradcast routing
bottom field
bounded distance decoding
boxcar generator
boxed stripline slot array
BPI(Bit Per Inch)
bps(Bits Per Second)
BPSK modulation
BPSK(Binary Phase Shift Keying)
BR(Buffer Release)
breadown
breaker
breakpoint stop
breast telephone
brevity code
Brewster angle
bridge， source routing of
brige-control cord circuit
bring into step
Britich Broadcasting Corporation{=BBC}
British Institution of Radio Engineers{=BIRE}
broadbanding
broadened laser transition
BSNT(Backward Sequence Number to be Transmitted)
BSVC(Broadcast Signaling Virtual Channel)
buckling
budget， power
buffer， fiber tight bug
bulk electro-optic phase modulator
Burderhedral calibration reflector
Burg algorithm
burn-through range
Burrus type LED
bus， folded unidirectional
Butler matrix
BW(Beam Width，Band width)
BWA(Backward Wave Amplifier)
by-pass

B band
B channel
B display
B-field picture
B-frame picture
B-ISDN
B-ISUP
B-picture
B-TE (Broadband Terminal Eauipment)

back haul
back lobes
back set
back to back (test)
back up
back up circuit
back-off

backbone
backbone of fiber optic networks
backbone route

background noise
background noise of channel

backscatter
backscatter clutter
backscatter coefficient
backscatter method

backup system
backup trunk

backward adaptive prediction(APB)
backward adaptive quantization(AQB)
backward busy
backward busy signal
Backward Call Indicators
backward channel
backward compatibility
backward error correction
Backward Explicit Congestion Notification
backward learning algorithm
backward motion vector
backward path
backward-search algorithm
Backward-Wave Oscillator{=BWO}

balanced amplifier
balanced antenna
balanced bridge modulator
balanced circuit
balanced configuration
balanced diode mixer
balanced duplexer
balanced FM discriminator
balanced line
balanced mixer
balanced mode
balanced modulator
balanced open wire
balanced protection system
balanced ring modulator
balanced termination
balanced transmission
balanced transmission line
balanced-unbalanced circuit(BALUN)

balancing method
balancing network
balancing repeating coil

band
band 10
band 11
band 4
band 5
band 6
band 7
band 8
band 9
band articulation
band designation
band edge oscillation
band elimination
band elimination filter
band interruption
band pass
band pass entwork
band reiection filter
band spread receiver
band spreading
band switch
band to band recombination
band-limited Gaussian channel
band-stop filter
band-switching

bandlimited signal
bandlimited waveforms

bandpass amplifier
bandpass channel
bandpass filter
bandpass filtered speech
bandpass noise
bandpass random process
bandpass signal
bandpass system

bandwidth compression
bandwidth compression of speech
bandwidth expansion factor
Bandwidth-Length{=BL}product
bandwidth-limited receiver

bare line conductor
bare wire

Barker codes
Barker phase codes

barrage noise jamming
barrage receiver

baseband
baseband assignment
baseband branching station
baseband combining
baseband frequency
baseband frequency switching system
baseband repeater
baseband repeating system
baseband signal
baseband transmission
baseband waveform

basic bit-map
basic frequency
basic group
basic line equalizer
basic signal
basic supergroup

basis
basis function
basis sequences
basis vectors

batch data processing
batch processing

Bayes rule
Bayes theorem

Bayliss circular aperture distribution
Bayliss distribution

BCH bound
BCH coset code
BCH(Bose-Chadhuri Hocquen-hem)error correction codes

beacon
beacon antenna
beacon frequency
beacon horn
beacon receiver
beacon transmitter
beacon wave

beam
beam antenna
beam control
beam deviation factor
beam diversity
beam effciency of aperture antenna
beam efficiency
beam expansion
beam footprint
beam freception
beam hopping
beam loading
beam riding missile
beam scanning
beam separation
beam shape loss
beam splitter
beam splitter coating
beam switching
beam transmission
beam transmission link
beam transmitter
beam waveguide
beam waveguide mirror
beam width
beam width constant
beam width factor
beam width，antenna
beam width，half-power
beam-coupling coefficient

beat frequency
beat length
beat reception
beat wavelength

bell call
bell character
bell signal
Bell system
Bell Telephone Manufacturing Company(BTMC)

bend
bend loss
bend technique

bending elimination
bending loss of LP mode

bent function
bent sequence

Bessel filter
Bessel function
Bessel function of the first kind
Bessel function of the second kind
Bessel function，spherical
Bessel's trigonometric identities

Bethe-hole coupler
Bethe-hole directional coupler

Beverage antenna
Beverage long wire antenna

bias control
bias-injection circuit

biconical antenna
biconical antenna，unipole
biconical broadband dipoles
biconical cavity
biconical connector
biconical dipole
biconical horn antenna
biconical waveguide

bidirectional single cable transmission
Bidirectional transmission

bifocal aplanatic antenna
bifocal lena\

binary
binary block code
binary code
Binary Coded Decimal
binary convolutional code
binary countdown protocol
binary decision
binary digit
binary exponential backoff
binary field
binary logic level
binary multiplicative channel
binary phase coding
Binary PSK(BPSK)
Binary Symmetric Channel{=BSC}
Binary SYNChronous communication(BISYNC)protocol
Binary Synchronous Communication{=BSC}
binary system
binary transmission
binary-phase-shift keyed modulation
binary-to-Gray converter

binomial array
binomial coefficient
binomial distribution
binomial transformer
binomial weight

biorthogonal code
biorthogonal modulation
biorthogonal signals

biphase
biphase coding
biphase data code
biphase encoding
biphase modulation
biphase modulator
Biphase Shift Keying{=BPSK}
biphase(Manchester)code

bipolar
bipolar AGC amplifier
bipolar code
bipolar encoding
bipolar equalizing amplifier
bipolar front end
bipolar information bit
bipolar line encoding
bipolar signal
bipolar signaling
bipolar sunspot
bipolar technology
bipolar video
bipolar waveform

birefringence
birefringence mechanism
birefringence shape

bistable channel
Bistable Optical Devices(BDD)，hybrid
Bistable Optical Devices(BOD)，optoelectronic integration
Bistable Optical Devices(BOD)，transfer characteristic of

bistatic continuous-wave{=CW} radar
bistatic radar
bistatic RCS

bit allocation
bit error probability
bit error rate
bit error rate test set
Bit Error Rate{=BER}
Bit Interleaved Parity(BIP)
Bit Interleaved Parity-8
bit interleaved TDM
bit interleaving
bit interval
bit pattern
bit per second(bps)
bit rate
bit rate hierarchies
bit reduction technique
bit reservoir
bit sensitivity to errors
bit stream
bit stuffing
bit switch
bit synchronization
bit synchronous clock signal
bit time
bit-by-bit detection
bit-interleaving technique
bit-jitter
bit-oriented protocol
bit-oriented transmission

bitrate
bitrate index

bitstream characteristics
bitstream compliance
bitstream formatter
bitstream requirements
bitstream syntax

black level
black-and-white television
black-body
black-body radiation

blind equalization
blind flight landing
blind speed
blind zone，range

block
Block Cell Rate
block cipher
block code
block code，Euclidean geometry
block code，nonsystematic
block code，projective geometry
block code，quasiperfect
block code，single-error-correcting and double-error-detecti
block companding
block convolution
block encoding
block error rate
block length
block mark
block multiplexer channel
block number
block of information
block of message
block parity
block resynchronization
block row
block section
block signal
block signal system
block size
block state
block stucture
block transfer
block-interleaved

Boltzmann constant
Boltzmann statistics

book message
book time

booking call
booking of a call
booking of telex calls

booster separation
booster station
booster transmitter

boresight error
boresight gain antenna

Bose-Chaudhuri code
Bose-Chaudhuri Hocquen-hem(BCH) error correction codes
Bose-Einstein distribution

both advised
both-way
both-way channel
both-way exchange line
both-way junction
both-way line
both-way trunk

bound
bound-charge densitites

boundary conditions
boundary frequency
boundary-value method
boundary-value problem

bound， Griesmer
bound， liner programming

bow-tie dipole
bow-tie fiber

box horn
box horn antenna

Bragg cell
Bragg diffraction
Bragg grating
Bragg regime
Bragg scatter
Bragg wavelength

branch
branch current
branch exchange
branch exchange of city telephone
branch switchboard
branch system
branch-line coupler
branch-multiple
branch-multiple arrangement

branching filter
branching line
branching network bravo

bravo one
bravo two

break
break button
break frequency
break jack
break key
break period
break pulse
break time
break-contact unit
break-in function
break-in hangover time
break-in key
break-in keying
break-in operation
break-in system
break-in"
break-make ratio
break-to-make ratio of dial pulses

breakdown maintenance
breakdown signal
breakdown voltage

breakout
breakout point

bridge
bridge band
bridge circuit
bridge duplex system
bridge-control switchboard
bridge-duplex connection

bridging multiple switchboard
bridging telephone

brightness channel
brightness temperature

Brillouin diagram
Brillouin scattering
Brillouin scattering，stimulated

broadband
broadband amplifier
broadband antenna， helical
broadband antenna， Yagi-Uda
broadband cable
broadband carrier system
broadband channel
broadband communication network
broadband dipole
broadband dipoles， bow-tie
broadband dipoles， wire simulation
Broadband Integrated Services Digital Network(B-ISDN)
Broadband ISDN
Broadband Network Termination 1
Broadband Network Termination 2{=B-NT2}
broadband radio relay systme
Broadband Terminal Equipment
broadband transmission
broadband transmission link

broadcast
broadcast frequency
broadcast relay
Broadcast Satellite Service(BSS)
Broadcast Signaling Virtual Channel Identifier{=BSVCI}
broadcast studio
broadcast system
broadcast telegraphy
broadcast transmitting station

broadcasting
broadcasting frequency
broadcasting network
broadcasting right
broadcasting satelite
broadcasting station
broadcasting-satelite service

broadside array
broadside linear array

buffer
buffer amplifier
buffer expansion
buffer overflow

build-in
build-in separate channel
build-in test equipment
build-in-test
build-out
build-up

building block
building block system

Built-In Test Equipment{=BITE}
Built-In Test{=BIT}

bunching of electron beam
bunching parameter of a klystron

buried cable
buried heterostructure laser
buried lead covered cable

burst
burst bit rate
burst communications
burst correction
burst error
burst length
burst lost
burst noise
burst pachket
burst protection
burst receiver
burst spacing
burst synchronizer
burst transmission
burst waveform
burst-and-random-error-correcting code
burst-and-random-error-correcting convolutional code
burst-and-random-error-correctiong code
burst-correcting code
burst-error channel
burst-error-correcting convolutional code
burst-finding convolutional code
burst-trapping convolutional code

bursty
bursty traffic

bus
Bus Interface Board{=BIB}
bus networks
bus networks， ALOHA

busy
busy back
busy contact
busy hour
Busy Hour Calls(BHC)
busy line
busy signal
busy tone
busy-back tone
busy-buzz
busy-flash signal
busy-hour crosstalk noise

butt jointed connector
butt-joint connector lateral offset
butt-jointed fiber

butterfly
butterfly pattern

Butterworth approximation method
Butterworth filter
Butterworth(binomial)design
Butterworth(maximally flat)response

byte
byte aligned
byte stuffing

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