|
|
|
|
|
|
|
|
|
Elfext
| Глоссарий терминов по телефонии |
- Перекрёстные наводки, генерируемые на противоположном относительно передатчика окончании медного кабеля
- Приведенное переходное затухание на дальнем конце; величина fext, нормализованная по затуханию; отношение затухания к однонаправленным наводкам; переходное затухание на дальнем конце (линии) с учетом затухания в кабельной системе
|
Equal-level far end crosstalk, английский
Equal-level, far-end crosstalk; equal-level fext, английский
|
Относительно, русский
Передатчик, русский
|
Mod cord, английский
Плоский кроссировочный или соединительный шнур. в основном используется в телефонных сетях
Refractive index, английский
- Отношение скорости распространения света в материале к скорости распространения света в вакууме
- A measure of the reduction in the velocity of light in a medium
- The speed of light in a vacuum divided by the speed of light in a material, abbreviated n, which measures how materials refract light.
- A ratio between the velocity of light in air and that of light through a particular substance. the index of air is 1.00 and indices are referred to the index of air, i.e. the index of water being 1.33 means that the spead of light in air is 1.33 times greater as the speed of light in water.
- Index of refraction
- A measure of the magnitude of slowing of light waves by a particular medium
- (astm d-1218) number indicating the angle through which a ray of light is deflected as it passes through a solid or fluid medium; the number that expresses the ratio of the sine of the angle of incidence to the sine of the angle of refraction. typically used for monitoring water-based fluids or solutions.
- Ratio of the speed of the incident wave to that of a refracted wave. it is known as the refractive index of the second medium with respect to the first. glossary 19.17
- Dimensionless ratio of the speed of the incident wave to that of a refracted wave. it helps describe how mechanical or electromagnetic waves change direction as they propagate through dissimilar materials.
- Ratio of the speed of the incident wave to that of a refracted wave. it is known as the refractive index of the second medium with respect to the first.7
|
|
|
|
|
|
|
