- far-field attenuation
- затухание (радиоволн) в дальней зоне
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
Near Field Magnetic Induction Communication System — A Near Field Magnetic Induction Communication System is a short range wireless physical layer that communicates by coupling a tight, low power, non propagating magnetic field between devices. The concept is for a transmitter coil in one device to … Wikipedia
Near-field magnetic induction communication — A near field magnetic induction communication system is a short range wireless physical layer that communicates by coupling a tight, low power, non propagating magnetic field between devices. The concept is for a transmitter coil in one device to … Wikipedia
Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… … Wikipedia
Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c … Wikipedia
Earplug — Silicone rubber earplugs for protection against water, dust etc. An earplug is a device that is meant to be inserted in the ear canal to protect the wearer s ears from loud noises or the intrusion of water, foreign bodies, dust or excessive wind … Wikipedia
Non-line-of-sight propagation — Non line of sight (NLOS) or near line of sight is a term used to describe radio transmission across a path that is partially obstructed, usually by a physical object in the innermost Fresnel zone. Many types of radio transmissions depend, to… … Wikipedia
Wireless energy transfer — or wireless power is the transmission of electrical energy from a power source to an electrical load without artificial interconnecting conductors. Wireless transmission is useful in cases where interconnecting wires are inconvenient, hazardous,… … Wikipedia
Picosecond ultrasonics — When an ultrashort light pulse (duration: 100 fs, energy … Wikipedia
Anechoic chamber — An anechoic chamber An anechoic chamber (an echoic meaning non echoing or echo free) is a room designed to stop reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both… … Wikipedia
Microphone — For the indie film, see Microphone (film). Microphones redirects here. For the indie band, see The Microphones. A … Wikipedia
Underwater acoustics — The field of underwater acoustics is closely related to a number of other fields of acoustic study, including sonar, transduction, acoustic signal processing, acoustical oceanography, bioacoustics, and physical acoustics.HistoryUnderwater sound… … Wikipedia