1. high frequency - Noun
2. high frequency - Adjective
3 to 30 megahertz
a pitch that is perceived as above other pitches
Source: WordNethigh-frequency
2. Sloping: lower (better) thresholds in low-frequency regions and higher (poorer) thresholds in high-frequency regions. Source: Internet
AC bias is the addition of an inaudible high-frequency signal (generally from 40 to 150 kHz ) to the audio signal. Source: Internet
4. Trough-shaped ("cookie-bite" or "U" shaped): greatest hearing loss in the mid-frequency range, with lower (better) thresholds in low- and high-frequency regions. Source: Internet
A DSL circuit terminates at each end in a modem which modulates patterns of bits into certain high-frequency impulses for transmission to the opposing modem. Source: Internet
A high frequency of eruptions at a volcano allows scientists to detect patterns that lead to eruptions (precursors). Source: Internet
A high frequency of turbine blade failures led to the reinforcement of the entire engine bay to limit damage from such failures. Source: Internet