high-frequency spectrum

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• high frequency spectrum — aukštadažnis spektras statusas T sritis fizika atitikmenys: angl. high frequency spectrum vok. Hochfrequenzspektrum, n rus. высокочастотный спектр, m pranc. spectre à hautes fréquences, m; spectre haute fréquence, m …   Fizikos terminų žodynas

• High frequency — (HF) radio frequencies are between 3 and 30 MHz. Also known as the decameter band or decameter wave as the wavelengths range from one to ten decameters (ten to one hundred metres). Frequencies immediately below HF are denoted Medium frequency… …   Wikipedia

• high frequency — high frequency, adj. the range of frequencies in the radio spectrum between 3 and 30 megahertz. [1890 95] * * * …   Universalium

• High Frequency Content measure — The High Frequency Content measure is a simple measure, taken across a signal spectrum (usually a STFT spectrum), which can be used to characterise the amount of high frequency content in the signal. The magnitudes of the spectral bins are added… …   Wikipedia

• frequency spectrum designation — (VLF) very low frequency below 30 KC/s (0.03 MC/s). (LF) low frequency 30 to 300 KC/s (0.03 MC/s). (MF) medium frequency 300 to 3000 KC/s (0.03 to 3 MC/s). (HF) high frequency 3000 to 30,000 KC/s (3 to 30 MC/s). (VHF) very high frequency 30 to… …   IT glossary of terms, acronyms and abbreviations

• high frequency — high′ fre′quency n. rtv the range of frequencies in the radio spectrum between 3 and 30 megahertz • Etymology: 1890–95 high′ fre′quen•cy, adj …   From formal English to slang

• high frequency — noun 1. 3 to 30 megahertz (Freq. 1) • Syn: ↑HF • Hypernyms: ↑radio frequency • Part Holonyms: ↑electromagnetic spectrum 2. a pitch that is perceived as above other pitches …   Useful english dictionary

• Ultra high frequency — (UHF) designates a range (band) of electromagnetic waves with frequencies between 300 MHz and 3 GHz (3,000 MHz). Also known as the decimeter band or decimeter wave as the wavelengths range from ten to one decimeters. Radio waves with frequencies… …   Wikipedia

• Extremely high frequency — Frequency range 30 to 300 GHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …   Wikipedia

• Very high frequency — (VHF) is the radio frequency range from 30 MHz to 300 MHz. Frequencies immediately below VHF are denoted High frequency (HF), and the next higher frequencies are known as Ultra high frequency (UHF). The frequency allocation is done by ITU. Common …   Wikipedia

• extremely high frequency — noun 30 to 300 gigahertz • Syn: ↑EHF • Hypernyms: ↑radio frequency • Part Holonyms: ↑electromagnetic spectrum * * * noun : a radio frequency in the highest range of the radio spectrum see …   Useful english dictionary