frequency
Explore the world of vocabulary through images
amplitude/ˈæm.plɪ.tud/
The maximum absolute value of the vertical component of a curve or function, especially one that is periodic.
still/stɪl/
Always; invariably; constantly; continuously.
ultrasounds/ˈʌltrəsaʊndz/
Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.
superhets/ˈsuːpərˌhɛts/
Superheterodyne receiver.
subcarriers/sʌbˈkæriərz/
A separate signal carried on a main radio transmission, often carrying additional information such as voice or data.
lower/ˈləʊə/ /ˈloʊɚ/ /ˈlaʊ.ə/ /ˈlaʊ.ɚ/
(acoustics) Grave in pitch, due to being produced by relatively slow vibrations (wave oscillations); flat.
short wave/ˈʃɔːrt ˌweɪv/
An electromagnetic wave having a wavelength between approximately 10 and 100 meters, corresponding to frequencies between 3 and 30 MHz.
low/ləʊ/ /loʊ/ /laʊ/
(acoustics) Grave in pitch, due to being produced by relatively slow vibrations (wave oscillations); flat.
baud/bɔːd/
A unit of data transmission symbol rate; the number of signalling events per second.
bands/bændz/
A part of the electromagnetic spectrum.