low frequencies
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low frequencies — žemieji dažniai statusas T sritis automatika atitikmenys: angl. low frequencies vok. Niederfrequenzen, f rus. низкие частоты, f pranc. basses fréquences, f … Automatikos terminų žodynas
Low frequency — or LF refers to Radio Frequencies (RF) in the range of 30 kHz ndash;300 kHz. In Europe, and parts of Northern Africa and of Asia, part of the LF spectrum is used for AM broadcast service. In the western hemisphere, its main use is for aircraft… … Wikipedia
Low-frequency radar — is the use of radars which use frequencies lower than 1 GHz, as opposed to the usual Radar bands which can range from the X band at 8 12 GHz to the Ka band which tops out at 40 GHz.The radar cross section of any target depends on the radar… … Wikipedia
Low-frequency effect — Low Frequency Effects (LFE) is the name of an audio track specifically intended for deep, low pitched sounds ranging from 3 200 Hz. This track is normally sent to a speaker that is specially designed for low pitched sounds called the subwoofer or … Wikipedia
very low frequencies — The range of radio frequencies between 3 and 30 kHz. These are invariably ground waves, and with high power and large, efficient antennae they can provide worldwide coverage. VLF is used by Omega … Aviation dictionary
low-frequency hearing loss — low tone hearing loss sensorineural hearing loss of tones at low frequencies … Medical dictionary
Low-pass filter — A low pass filter is a filter that passes low frequency signals but attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter … Wikipedia
Low-Frequency Distortion — WikiV An undesired change in a waveform or signals which occur at low frequencies. In television, generally considered as any frequency below the 15.75 kHz line frequency … Audio and video glossary
Low-voltage differential signaling — Low voltage differential signaling, or LVDS, is an electrical signaling system that can run at very high speeds over inexpensive twisted pair copper cables. It was introduced in 1994, and has since become very popular in computers, where it forms … Wikipedia
low frequency — Frequencies lying between 30 and 300 kHz. These, along with medium frequencies, are used mainly for nondirectional beacons (NDB). The aeronautical allocation for NDBs covers part of both bands from 200 to 420 kHz … Aviation dictionary
low-passfilter — low pass filter (lōʹpăsʹ) n. A filter designed to transmit electromagnetic frequencies below a certain value, while excluding those of a higher frequency. * * * … Universalium
