![Hide details for [<u>Section 705-01: Essential characteristics of electromagnetic fields and waves</u>]](/iev/iev.nsf/blank.gif?OpenImageResource) Section 705-01: Essential characteristics of electromagnetic fields and waves |  |
| 705-01-01 | | field | |
| 705-01-02 | | propagation | |
| 705-01-03 | | wave | |
| 705-01-04 | | velocity (vector) of propagation (of a wave) | |
| 705-01-05 | | forward wavefront | |
| 705-01-06 | | backward wavefront | |
| 705-01-07 | | electromagnetic field | |
| 705-01-08 | | Maxwell's equations, pl | |
| 705-01-09 | | electromagnetic wave | |
| 705-01-10 | | radio wave | |
| 705-01-11 | | radio propagation | |
| 705-01-12 | | (electromagnetic) mode | |
| 705-01-13 | | polarization, <of an electromagnetic wave> | |
| 705-01-14 | | linear polarization | |
| 705-01-15 | | horizontal polarization | |
| 705-01-16 | | vertical polarization | |
| 705-01-17 | | elliptical polarization | |
| 705-01-18 | | right-hand polarization | |
| 705-01-19 | | left-hand polarization | |
| 705-01-20 | | circular polarization | |
| 705-01-21 | | polarization ellipse | |
| 705-01-22 | | plane of polarization | |
| 705-01-23 | | orthogonal polarization, <of an elliptically or circularly polarized wave> | |
| 705-01-24 | | longitudinal component | |
| 705-01-25 | | transverse component | |
| 705-01-26 | | radial component | |
| 705-01-27 | | transverse (electromagnetic) wave | |
| 705-01-28 | | wave vector | |
| 705-01-29 | | equiphase surface | |
| 705-01-30 | | wavefront | |
| 705-01-31 | | equi-amplitude surface | |
| 705-01-32 | | plane wave | |
| 705-01-33 | | uniform plane wave | |
| 705-01-34 | | homogeneous plane wave | |
| 705-01-35 | | heterogeneous plane wave | |
| 705-01-36 | | spherical wave | |
| 705-01-37 | | free wave | |
| 705-01-38 | | travelling wave | |
| 705-01-39 | | travelling plane wave | |
| 705-01-40 | | standing wave | |
| 705-01-41 | | phase interference | |
| 705-01-42 | | (interference) fringes | |
| 705-01-43 | | coherence | |
| 705-01-44 | | spatial coherence | |
| 705-01-45 | | time coherence | |
| Section 705-02: Radiation, paths and velocity of electromagnetic waves | |
| 705-02-01 | | electromagnetic radiation, <waves or photons> | |
| 705-02-02 | | (volume) density of electromagnetic energy | |
| 705-02-03 | | power flux density | |
| 705-02-04 | | radiation intensity (in a given direction) | |
| 705-02-05 | | attenuation (of an electromagnetic wave) | |
| 705-02-06 | | spreading loss | |
| 705-02-07 | | absorption, <of electromagnetic waves> | |
| 705-02-08 | | absorption loss (of an electromagnetic wave) | |
| 705-02-09 | | Poynting vector | |
| 705-02-10 | | complex Poynting vector | |
| 705-02-11 | | phase delay | |
| 705-02-12 | | positive phase difference | |
| 705-02-13 | | negative phase difference | |
| 705-02-14 | | optical path length | |
| 705-02-15 | | direction of propagation (of a wave) | |
| 705-02-16 | | phase velocity (vector) | |
| 705-02-17 | | (phase) wavelength | |
| 705-02-18 | | direction of propagation (of energy) | |
| 705-02-19 | | propagation path | |
| 705-02-20 | | geometrical optics | |
| 705-02-21 | | group velocity (vector) | |
| 705-02-22 | | group delay | |
| 705-02-23 | | group wavelength | |
| 705-02-24 | | propagation coefficient | |
| 705-02-25 | | attenuation coefficient | |
| 705-02-26 | | phase change coefficient | |
| 705-02-27 | | free space propagation | |
| 705-02-28 | | electromagnetic beam | |
| 705-02-29 | | direct ray path | |
| 705-02-30 | | direct wave | |
| 705-02-31 | | line of sight propagation | |
| 705-02-32 | | indirect ray path | |
| 705-02-33 | | indirect wave | |
| 705-02-34 | | path length difference | |
| 705-02-35 | | space phase difference | |
| 705-02-36 | | multipath propagation | |
| 705-02-37 | | radio echo | |
| Section 705-03: Electromagnetic properties of propagation media | |
| 705-03-01 | | electric constant | |
| 705-03-02 | | absolute permittivity | |
| 705-03-03 | | relative permittivity | |
| 705-03-04 | | complex relative permittivity | |
| 705-03-05 | | real relative permittivity | |
| 705-03-06 | | dielectric loss angle | |
| 705-03-07 | | dielectric (medium) | |
| 705-03-08 | | perfect dielectric | |
| 705-03-09 | | conducting medium | |
| 705-03-10 | | perfect conductor | |
| 705-03-11 | | absorbing medium | |
| 705-03-12 | | absorption (frequency) band | |
| 705-03-13 | | dispersive medium | |
| 705-03-14 | | magnetic constant | |
| 705-03-15 | | absolute permeability | |
| 705-03-16 | | relative permeability | |
| 705-03-17 | | complex relative permeability | |
| 705-03-18 | | real relative permeability | |
| 705-03-19 | | magnetic loss angle | |
| 705-03-20 | | complex refractive index (in a given direction) | |
| 705-03-21 | | refractive index | |
| 705-03-22 | | wave impedance | |
| 705-03-23 | | characteristic impedance of a medium | |
| 705-03-24 | | characteristic impedance of vacuum | |
| 705-03-25 | | penetration depth, <of an electromagnetic wave> | |
| Section 705-04: Phenomena related to the boundaries of propagation media | |
| 705-04-01 | | incident wave | |
| 705-04-02 | | plane of incidence | |
| 705-04-03 | | angle of incidence | |
| 705-04-04 | | grazing angle | |
| 705-04-05 | | grazing incidence | |
| 705-04-06 | | transmitted wave | |
| 705-04-07 | | refracted wave | |
| 705-04-08 | | refraction, <of electromagnetic waves> | |
| 705-04-09 | | reflected wave | |
| 705-04-10 | | reflection, <of an incident wave> | |
| 705-04-11 | | specular reflection | |
| 705-04-12 | | diffuse reflection | |
| 705-04-13 | | specular surface | |
| 705-04-14 | | rough surface | |
| 705-04-15 | | Rayleigh criterion | |
| 705-04-16 | | (amplitude) reflection factor | |
| 705-04-17 | | power reflection factor | |
| 705-04-18 | | Fresnel reflection factor | |
| 705-04-19 | | total reflection | |
| 705-04-20 | | Brewster's angle | |
| 705-04-21 | | Brewster angle incidence | |
| 705-04-22 | | pseudo-Brewster angle incidence | |
| 705-04-23 | | convergence | |
| 705-04-24 | | divergence, <for waves> | |
| 705-04-25 | | convergence factor | |
| 705-04-26 | | divergence factor | |
| 705-04-27 | | convergence gain | |
| 705-04-28 | | divergence loss | |
| 705-04-29 | | dispersion (of an electromagnetic wave) | |
| 705-04-30 | | Fresnel ellipsoid | |
| 705-04-31 | | Fresnel zone (on a reflective surface) | |
| 705-04-41 | | obstacle | |
| 705-04-42 | | shadow region | |
| 705-04-43 | | diffracted wave | |
| 705-04-44 | | diffraction | |
| 705-04-45 | | scattered wave | |
| 705-04-46 | | scattering | |
| 705-04-47 | | forward scattering | |
| 705-04-48 | | back scattering | |
| 705-04-49 | | turbulence | |
| 705-04-50 | | scale of turbulence | |
| 705-04-61 | | guided electromagnetic wave | |
| 705-04-62 | | guided propagation | |
| 705-04-63 | | cut-off frequency (for a mode) | |
| 705-04-64 | | slow wave | |
| 705-04-65 | | fast wave | |
| 705-04-66 | | surface wave | |
| 705-04-67 | | Zenneck wave | |
| 705-04-68 | | (surface) wave tilt | |
| 705-04-69 | | leaky wave | |
| 705-04-70 | | evanescent field | |
| 705-04-71 | | lateral wave | |
| Section 705-05: Tropospheric propagation including the influence of the ground | |
| 705-05-01 | | troposphere | |
| 705-05-02 | | tropopause | |
| 705-05-03 | | stratosphere | |
| 705-05-04 | | stratopause | |
| 705-05-05 | | mesosphere | |
| 705-05-06 | | mesopause | |
| 705-05-07 | | temperature inversion (in the troposphere) | |
| 705-05-08 | | mixing ratio, <of water vapour> | |
| 705-05-09 | | relative humidity | |
| 705-05-10 | | refractivity | |
| 705-05-11 | | N-unit | |
| 705-05-12 | | modified refractive index | |
| 705-05-13 | | refractive modulus | |
| 705-05-14 | | M-unit | |
| 705-05-15 | | standard refractivity gradient | |
| 705-05-16 | | standard refractive modulus gradient | |
| 705-05-17 | | standard radio atmosphere | |
| 705-05-18 | | reference atmosphere for refraction | |
| 705-05-19 | | standard refraction | |
| 705-05-20 | | sub-refraction | |
| 705-05-21 | | super-refraction | |
| 705-05-22 | | hydrometeors | |
| 705-05-23 | | precipitation | |
| 705-05-24 | | radar reflectivity factor (of hydrometeors) | |
| 705-05-31 | | tropospheric propagation | |
| 705-05-32 | | tropospheric wave | |
| 705-05-33 | | ground wave | |
| 705-05-34 | | space wave (deprecated) | |
| 705-05-35 | | radio horizon | |
| 705-05-36 | | radio horizon distance | |
| 705-05-37 | | trans-horizon propagation | |
| 705-05-38 | | standard propagation | |
| 705-05-39 | | standard radio horizon | |
| 705-05-40 | | effective radius of the Earth | |
| 705-05-41 | | effective Earth-radius factor | |
| 705-05-42 | | equivalent gradient | |
| 705-05-43 | | (tropospheric) layer | |
| 705-05-44 | | ducting layer | |
| 705-05-45 | | tropospheric (radio)duct | |
| 705-05-46 | | ground based duct | |
| 705-05-47 | | elevated duct | |
| 705-05-48 | | duct thickness | |
| 705-05-49 | | duct height | |
| 705-05-50 | | ducting | |
| 705-05-51 | | spherical diffraction | |
| 705-05-52 | | edge diffraction | |
| 705-05-53 | | knife-edge diffraction | |
| 705-05-54 | | diffraction region | |
| 705-05-55 | | tropospheric scatter (propagation) | |
| 705-05-56 | | scattering region | |
| 705-05-57 | | precipitation scatter (propagation) | |
| 705-05-58 | | obstacle gain | |
| 705-05-59 | | height gain | |
| 705-05-60 | | gain degradation | |
| 705-05-61 | | path antenna gain | |
| 705-05-62 | | ….. | |
| Section 705-06: Terrestrial ionized media | |
| 705-06-01 | | ion | |
| 705-06-02 | | ionization | |
| 705-06-03 | | photo-ionization | |
| 705-06-04 | | plasma | |
| 705-06-05 | | electron density | |
| 705-06-06 | | degree of ionization (of a plasma) | |
| 705-06-07 | | ionization gradient component | |
| 705-06-08 | | collision frequency, (electronic) | |
| 705-06-09 | | gyro-frequency | |
| 705-06-10 | | plasma frequency (electronic) | |
| 705-06-11 | | ionosphere | |
| 705-06-12 | | thermosphere | |
| 705-06-13 | | exosphere | |
| 705-06-14 | | exobase | |
| 705-06-15 | | plasmasphere | |
| 705-06-16 | | plasmapause | |
| 705-06-17 | | magnetosphere | |
| 705-06-18 | | magnetopause | |
| 705-06-19 | | D region | |
| 705-06-20 | | E region | |
| 705-06-21 | | F region | |
| 705-06-22 | | ionization profile | |
| 705-06-23 | | total electron content | |
| 705-06-24 | | vertical ionization gradient (component) | |
| 705-06-25 | | ionization ledge | |
| 705-06-26 | | sporadic ionization | |
| 705-06-27 | | ionospheric layer | |
| 705-06-28 | | E layer (normal) | |
| 705-06-29 | | sporadic E layer | |
| 705-06-30 | | F1 layer | |
| 705-06-31 | | F2 layer | |
| 705-06-32 | | auroral zone | |
| 705-06-33 | | polar cap | |
| 705-06-34 | | magnetic storm | |
| 705-06-35 | | ionospheric disturbance | |
| 705-06-36 | | sudden ionospheric disturbance | |
| 705-06-37 | | ionospheric storm | |
| 705-06-38 | | ionospheric modification | |
| Section 705-07: Influence of the ionosphere on radio wave propagation | |
| 705-07-01 | | ionospheric propagation | |
| 705-07-02 | | trans-ionospheric propagation | |
| 705-07-03 | | (propagation by) ionospheric scatter | |
| 705-07-04 | | ionospheric reflection | |
| 705-07-05 | | virtual height | |
| 705-07-06 | | ionospheric wave | |
| 705-07-07 | | hop | |
| 705-07-08 | | chordal hop | |
| 705-07-09 | | skip distance | |
| 705-07-10 | | skip zone | |
| 705-07-11 | | silent zone | |
| 705-07-12 | | low-angle ray | |
| 705-07-13 | | high-angle ray | |
| 705-07-14 | | mode of propagation (in ionospheric propagation) | |
| 705-07-15 | | M reflection | |
| 705-07-16 | | short-path signal | |
| 705-07-17 | | long-path signal | |
| 705-07-18 | | round the world echo | |
| 705-07-19 | | cut-off frequency | |
| 705-07-20 | | (operational) MUF | |
| 705-07-21 | | basic MUF | |
| 705-07-22 | | optimum working frequency | |
| 705-07-23 | | lowest usable frequency | |
| 705-07-24 | | ionospheric focussing | |
| 705-07-25 | | ionospheric defocussing | |
| 705-07-26 | | (ionospheric) horizon focussing | |
| 705-07-27 | | skip distance focussing | |
| 705-07-28 | | antipodal focussing | |
| 705-07-29 | | (ionospheric) focussing factor | |
| 705-07-30 | | (ionospheric) defocussing factor | |
| 705-07-31 | | longitudinal propagation, <of radio waves> | |
| 705-07-32 | | transverse propagation | |
| 705-07-33 | | laterally deviated (ionospheric) propagation | |
| 705-07-34 | | off-great-circle ionospheric propagation | |
| 705-07-35 | | (electron) gyro-frequency (in the ionosphere) | |
| 705-07-36 | | Faraday effect (for radio waves) | |
| 705-07-37 | | magneto-ionic double refraction | |
| 705-07-38 | | magneto-ionic component | |
| 705-07-39 | | ordinary wave (component) | |
| 705-07-40 | | extraordinary wave (component) | |
| 705-07-41 | | Z component | |
| 705-07-51 | | ionospheric absorption | |
| 705-07-52 | | normal (ionospheric) absorption | |
| 705-07-53 | | abnormal (ionospheric) absorption | |
| 705-07-54 | | non-deviative absorption | |
| 705-07-55 | | deviative absorption | |
| 705-07-56 | | polar cap absorption | |
| 705-07-57 | | ionospheric distortion | |
| 705-07-58 | | ionospheric cross modulation | |
| 705-07-59 | | short-wave fade-out | |
| 705-07-61 | | ionospheric sounding | |
| 705-07-62 | | (ionospheric) monostatic sounding | |
| 705-07-63 | | (ionospheric) bistatic sounding | |
| 705-07-64 | | vertical incidence ionospheric sounding | |
| 705-07-65 | | bottom-side ionospheric sounding | |
| 705-07-66 | | top-side ionospheric sounding | |
| 705-07-67 | | oblique incidence ionospheric sounding | |
| 705-07-68 | | back-scatter ionospheric sounding | |
| 705-07-69 | | incoherent scatter ionospheric sounding | |
| 705-07-70 | | ionosonde | |
| 705-07-71 | | vertical incidence ionosonde | |
| 705-07-72 | | ionogram | |
| 705-07-73 | | critical frequency, <in ionospheric propagation> | |
| 705-07-74 | | blanketing frequency (of an ionospheric layer) | |
| 705-07-75 | | maximum observed frequency | |
| 705-07-76 | | junction frequency | |
| 705-07-77 | | nose extension | |
| 705-07-78 | | spread F | |
| 705-07-79 | | layer height | |
| 705-07-80 | | riometer | |
| 705-07-81 | | ionospheric prediction | |
| 705-07-82 | | (ionospheric) propagation forecast | |
| 705-07-83 | | solar activity | |
| 705-07-84 | | solar cycle | |
| 705-07-85 | | solar activity centre | |
| 705-07-86 | | international relative sunspot number | |
| 705-07-87 | | twelve-month running-mean sunspot number | |
| 705-07-88 | | monthly mean solar radio-noise flux | |
| 705-07-89 | | solar (activity) index | |
| 705-07-90 | | ionospheric index | |
| 705-07-91 | | ursigram | |
| 705-07-92 | | (ionospheric) transmission curve | |
| 705-07-93 | | (ionospheric) transmission factor | |
| 705-07-94 | | control point | |
| 705-07-95 | | two-control-point method | |
| 705-07-96 | | ionospheric map | |
| 705-07-97 | | numerical ionospheric map | |
| Section 705-08: Influence of propagation on radio communications | |
| 705-08-01 | | total loss, <of a radio link> | |
| 705-08-02 | | system loss | |
| 705-08-03 | | transmission loss (of a radio link) | |
| 705-08-04 | | basic transmission loss (of a radio link) | |
| 705-08-05 | | free-space basic transmission loss | |
| 705-08-06 | | ray path transmission loss | |
| 705-08-07 | | loss relative to free space | |
| 705-08-08 | | polarization coupling loss | |
| 705-08-09 | | field strength diminution factor | |
| 705-08-11 | | fading, <of electromagnetic waves> | |
| 705-08-12 | | fading depth | |
| 705-08-13 | | fading duration | |
| 705-08-14 | | fading rate | |
| 705-08-15 | | rapidity of fading | |
| 705-08-16 | | slow fading | |
| 705-08-17 | | fast fading | |
| 705-08-18 | | frequency selective fading | |
| 705-08-19 | | interference fading | |
| 705-08-20 | | scintillation | |
| 705-08-21 | | fade-out | |
| 705-08-31 | | field strength (of a radio transmitter) | |
| 705-08-32 | | usable field strength | |
| 705-08-33 | | nominal usable field strength | |
| 705-08-34 | | minimum usable field strength | |
| 705-08-35 | | standard unabsorbed field strength | |
| 705-08-36 | | (fade) margin | |
| 705-08-37 | | flat fade margin | |
| 705-08-38 | | net fade margin | |
| 705-08-39 | | coordination distance | |
| 705-08-40 | | coordination contour | |
| 705-08-41 | | coordination area | |
| 705-08-42 | | range (of a radio transmitter) | |
| 705-08-43 | | field strength pattern (of a radio transmitter) | |
| 705-08-44 | | coverage area (of a radio transmitter) | |
| 705-08-51 | | depolarization | |
| 705-08-52 | | cross polarization | |
| 705-08-53 | | cross polarization discrimination (of a radio wave) | |
| 705-08-54 | | cross polarization isolation (of two radio waves) | |
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