- earth-reflected wave
- волна, отраженная от земной поверхности————————радиоволна, отраженная от земной поверхности
English-Russian dictionary of electronics. 2015.
English-Russian dictionary of electronics. 2015.
Wave equation — Not to be confused with Wave function. The wave equation is an important second order linear partial differential equation for the description of waves – as they occur in physics – such as sound waves, light waves and water waves. It arises in… … Wikipedia
Earth's radiation balance — is the equation of the incoming and outgoing thermal radiation.The incoming solar radiation is short wave, therefore the equation below is called the short wave radiation balance Qs:::Qs = G R = D + H R or depending on the albedo (back reflection … Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… … Universalium
Earth and Space Sciences — ▪ 1996 Introduction GEOLOGY AND GEOCHEMISTRY In 1995 significant developments took place in the realm of geologic mapping, which provides the foundation for the presentation and comparison of data in the Earth sciences. The most important… … Universalium
Traveling-wave tube — A traveling wave tube (TWT) is an electronic device used to amplify radio frequency signals to high power, usually in an electronic assembly known as a traveling wave tube amplifier (TWTA).The bandwidth of a broadband TWT can be as high as three… … Wikipedia
sky wave — noun a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth s surface • Hypernyms: ↑radio wave, ↑radio emission, ↑radio radiation • Hyponyms: ↑ionospheric… … Useful english dictionary
S-wave — can also refer to the lowest energy electronic wavefunction in atomic physics; see atomic orbital. A type of seismic wave, the S wave, secondary wave, or shear wave, sometimes called an elastic S wave, is one of the two main types of elastic body … Wikipedia
Elliott wave principle — The Elliott wave principle is a form of technical analysis that attempts to forecast trends in the financial markets and other collective activities. It is named after Ralph Nelson Elliott (1871–1948), an accountant who developed the concept in… … Wikipedia
Ocean surface wave — Ocean surface waves are surface waves that occur on the free surface of the ocean. They usually result from wind, and are also referred to as wind waves. Some waves can travel thousands of miles before reaching land. They range in size from small … Wikipedia
Snowball Earth — The Snowball Earth hypothesis as it was originally proposedcite book author = Kirschvink, J.L. year = 1992 chapter = Late Proterozoic low latitude global glaciation: The snowball Earth title = The Proterozoic Biosphere: A Multidisciplinary Study… … Wikipedia