An atmospheric waveguide is an atmospheric flow feature that improves the propagation of certain atmospheric waves. The effect arises because wave parameters...

their lightning source without major attenuation in the Earth–ionosphere waveguide, and can be received thousands of kilometres from their source. On a time-domain...

Atmospheric electricity describes the electrical charges in the Earth's atmosphere (or that of another planet). The movement of charge between the Earth's...

duct acts as an atmospheric dielectric waveguide and limits the spread of the wavefront to only the horizontal dimension. Atmospheric ducting is a mode...

The Earth–ionosphere waveguide is the phenomenon in which certain radio waves can propagate in the space between the ground and the boundary of the ionosphere...

precipitation. Atmospheric waveguide: Some have proposed it may be possible to use a short pulse laser to create an atmospheric waveguide through which...

The waveguide E band is the range of radio frequencies from 60 GHz to 90 GHz in the electromagnetic spectrum, corresponding to the recommended frequency...

acts as a closed, although variable-sized, waveguide. The limited dimensions of the Earth cause this waveguide to act as a resonant cavity for electromagnetic...

signals to travel unusually long distances Earth–ionosphere waveguide, a type of atmospheric duct Surface duct, a sound propagation phenomenon at sea Duct...

system – Asynchronous operation – Asynchronous start-stop – Atmospheric duct – Atmospheric waveguide – Attenuation – Audible ringing tone – Audio system measurements...

quasi-biennial oscillation (QBO). If the QBO is in its easterly phase, the atmospheric waveguide is set up in a way that causes upward-propagating Rossby waves to...

type of metal pipe called waveguide must be used. Because of the high cost and maintenance requirements of long waveguide runs, in many microwave antennas...

special type of cable called transmission line. At microwave frequencies, waveguide is often used, which is a hollow metal pipe carrying radio waves. In a...

that propagate up to the lower thermosphere may be carried in an atmospheric waveguide, refracted back toward the surface from below 120 km and above 150 km...

Antiphase Aquamarine Power Arrayed waveguide grating Artificial wave Atmospheric diffraction Atmospheric wave Atmospheric waveguide Atom laser Atomic clock Atomic...

was department head for ten years. He was co-inventor of the slotted waveguide antenna. Guptill, the son of a fisherman, was born in the village of Grand...

a huge waveguide closed at the bottom (the Earth's surface) and open to space at the top. In such a waveguide an infinite number of atmospheric wave modes...

invented waveguide in 1936. Barrow invented the horn antenna in 1938 as a means to efficiently radiate microwaves into or out of a waveguide. In a microwave...

Earth-ionosphere waveguide traps electromagnetic VLF- and ELF waves. Electromagnetic pulses transmitted by lightning strikes propagate within that waveguide. The...

generate electrical waveforms Arrayed waveguide grating, in telecommunications, an optical (de)multiplexing device Atmospheric water generator, a device that...

(so that energy does not escape to the stratosphere) and mid-latitude waveguides should trap the quasistationary components of the synoptic waves. In this...

Predel-E relies on a phenomenon known as atmospheric ducting, where certain meteorological conditions create a waveguide at a height of up to several dozen...

radar to detect targets. Some clutter may also be caused by a long radar waveguide between the radar transceiver and the antenna. In a typical plan position...

Attachment 1,ECM Frequency Authorizations. PDF[2] "www.microwaves101.com "Waveguide frequency bands and interior dimensions"". Archived from the original...

and the main mode of long-distance propagation is an Earth–ionosphere waveguide mechanism. The Earth is surrounded by a conductive layer of electrons...

interference within an air-filled cylindrical cavity fed by a rectangular waveguide using a 2.45 GHz, 5 kW (maximum power) microwave oscillator. Some scientific...

inversion layer. The beam will bounce many times inside the layer as within a waveguide. In surface-based ducting, the beam will hit the ground many times, causing...

Earth-ionosphere waveguide traps electromagnetic VLF- and ELF waves. Electromagnetic pulses transmitted by lightning strikes propagate within that waveguide. The...

Coriolis force against a topographic boundary such as a coastline, or a waveguide such as the equator. A feature of a Kelvin wave is that it is non-dispersive...

the waveguide and Γ. The overall goal of waveguide design is to find the proper structure that minimizes the threshold gain. The choice of waveguide material...