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Glossary of telecommunications transmission terms

This is a glossary of telecommunications transmission terms, derived from the Glossary of Telecommunication Terms published as Federal Standard 1037C. Please see the Federal Standard article for copyright-related issues, as not all parts of the source document are in the public domain.

Noise

ambient noise level -- antenna noise temperature -- atmospheric noise[?] -- background noise[?] -- blue noise[?] -- carrier noise level[?] -- carrier-to-noise ratio[?] (CNR) -- carrier-to-receiver noise density (C/kT) -- channel noise level -- circuit noise level -- closed-loop noise bandwidth[?] -- C-message weighting[?] -- cosmic noise -- effective input noise temperature -- equipment intermodulation noise[?] -- equivalent noise resistance -- equivalent noise temperature[?] -- equivalent pulse code modulation noise (PCM) -- equivalent satellite link noise temperature[?] -- feeder echo noise[?] -- flat weighting -- FM improvement factor -- FM improvement threshold -- front-end noise temperature[?] -- HA1-receiver weighting[?] -- idle-channel noise[?] -- impulse noise[?] -- in-band noise power ratio[?] -- intermodulation noise[?] -- intrinsic noise[?] -- loop noise[?] -- modal noise[?] -- mode partition noise -- noise -- notched noise[?] -- 144-line weighting[?] -- 144-receiver weighting[?] -- phase noise -- photon noise[?] -- process gain -- proration -- pseudorandom noise -- psophometric weighting[?] -- quantizing noise[?] -- quantum noise[?] -- quantum-noise-limited operation[?] -- random noise[?] -- received noise power -- reference noise -- shot noise -- signal-plus-noise-to-noise ratio )[?] ((S+N)/N -- signal-to-noise ratio (SNR) -- signal-to-noise ratio per bit[?] -- SINAD -- snow -- stereophonic crosstalk[?] -- thermal noise -- total channel noise[?] -- white noise -- worst hour of the year[?]

Transmission/Propagation

absolute delay[?] -- analog transmission[?] -- anisochronous[?] -- anomalous propagation (AP) -- asynchronous transmission[?] -- atmospheric duct -- babble[?] -- backscattering -- batched transmission[?] -- bit-stream transmission -- burst transmission -- channel -- coupled modes[?] -- critical frequency -- critical wavelength[?] -- cross-polarized operation[?] -- Dellinger effect[?] -- digital transmission group -- digital transmission system[?] -- digital voice transmission[?] -- diurnal phase shift -- double-sideband transmission[?] (DSB) -- double-sideband reduced carrier transmission (DSB-RC) -- double-sideband suppressed-carrier transmission (DSB-SC) -- D region -- ducting[?] -- duplex operation[?] -- echo -- electronic line of sight[?] -- elevated duct region erlang[?] -- flutter -- forward scatter -- FOT -- F region -- Fresnel zone -- ground wave -- group velocity -- homogeneous cladding[?] -- intermediate-field region -- ionosphere -- ionospheric absorption[?] -- ionospheric disturbance[?] -- ionospheric forward scatter[?] -- ionospheric reflection -- ionospheric scatter[?] -- ionospheric turbulence[?] -- isochronous burst transmission -- k-factor -- knife-edge effect -- line-of-sight propagation (LOS) -- magnetic storm[?] -- magneto-ionic double refraction -- material scattering -- maximum usable frequency (MUF) -- Mie scattering -- multipath -- near-field region -- near-vertical-incidence skywave[?] -- parallel transmission -- path clearance[?] -- path profile -- primary service area -- propagation -- propagation constant -- propagation mode -- propagation path obstruction -- propagation time delay[?] -- pulse broadening[?] -- quasi-analog transmission[?] -- radiation scattering -- ray -- Rayleigh fading -- Rayleigh scattering -- reflecting layer[?] -- reflection -- refracted ray -- refraction -- refractive index (n, ) -- relative transmission level -- [[right-hand [clockwise] polarized wave]] -- ring latency -- scattering -- scintillation -- serial transmission -- shadow loss -- simplex operation[?] -- skip distance -- skip zone -- sky wave -- smooth Earth[?] -- space diversity[?] -- sporadic E -- sunspot -- surface wave -- synchronous transmission[?] -- time block[?] -- trapped electromagnetic wave[?] -- troposphere -- tropospheric scatter -- tropospheric wave -- undisturbed day[?] -- virtual height[?] -- waveguide

Transmission Lines

artificial transmission line -- balanced line -- building out[?] -- bundle[?] -- cable -- Category 3 -- Category 4[?] -- Category 5 -- coaxial cable (coax) -- composite cable -- direct-buried cable[?] -- directional coupler -- electrical length -- fiber optic cable -- field wire[?] -- filled cable -- group delay -- hybrid cable[?] -- land line[?] -- lay length[?] -- line -- long line -- loop -- medium -- nonloaded twisted pair[?] -- on-premises wiring -- open wire[?] -- paired cable[?] -- plenum -- quad[?] -- quadded cable[?] -- reflection -- reflection coefficient (RC) -- reflection loss -- return loss -- ribbon cable -- sheath -- sheath miles[?] -- shielded pair[?] -- shielded twisted pair[?] -- skin effect -- slope -- slope equalizer[?] -- spiral-four cable[?] -- strength member[?] -- symmetrical pair[?] -- terminal impedance[?] -- termination[?] -- transmission line -- transverse electric and magnetic mode[?] (TEM) -- transverse electric mode[?] (TE) -- twin cable[?] -- unbalanced line[?] -- underground cable[?] -- uniform transmission line[?] -- voltage standing wave ratio (VSWR) -- waveguide -- zip-cord

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