| 释义 |
low frequency
low frequencyn. Abbr. LF A radio frequency in the range from 30 to 300 kilohertz.low frequency n 1. (Telecommunications) a radio-frequency band or a frequency lying between 300 and 30 kilohertz. : low-frequency 2. (Telecommunications) of or relating to such bands or frequencies Abbreviation: LFlow′ fre′quency
n. a radio frequency between 30 and 300 kilohertz. Abbr.: LF [1895–1900] low′-fre′quen•cy, adj. Thesaurus| Noun | 1. | low frequency - 30 to 300 kilohertzLFradio frequency - an electromagnetic wave frequency between audio and infraredelectromagnetic spectrum - the entire frequency range of electromagnetic waves | | 2. |  low frequency - a pitch that is perceived as below other pitcheslow pitchpitch - the property of sound that varies with variation in the frequency of vibrationdeepness - a low pitch that is loud and voluminous |
low frequency
low frequency (LF) 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.MedicalSeespectrumAcronymsSeeLFlow frequency
Related to low frequency: extremely low frequency, very low frequencySynonyms for low frequencynoun 30 to 300 kilohertzSynonymsRelated Words- radio frequency
- electromagnetic spectrum
noun a pitch that is perceived as below other pitchesSynonymsRelated Words |