A survey of background noise from acoustic frequencies to optic frequencies

Details A survey of background noise from acoustic frequencies to optic frequencies A survey of background noise from acoustic frequencies to optic frequencies

Dec 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976nrl..reptr....h&link_type=abstract

Interim Report Naval Research Lab., Washington, DC. Space Environment Branch.

Computer Science

Performance

Acoustic Frequencies, Acoustics, Atmospherics, Background Noise, Electromagnetic Noise Measurement, Frequency Ranges, Options, Absorption, Black Body Radiation, Galactic Radiation, Oceanography, Radio Frequencies

Scientific paper

This report presents a summary of background noise characteristics considered useful for the analysis and specification of performances of receiver systems. The frequency range of interest covers the region from acoustic frequencies to optic frequencies. Extensive data of measured noise characteristics are provided. These measured data show: (1) the acoustic noise in the deep ocean is largely determined by the sea state condition, (2) the radio frequency (RF) background noise between the ELF and HF bands is dominated by radiations from terrestrial lightnings, and (3) from VHF through optic frequencies galactic radiations and atmospheric absorption noises are the major sources of background noise.

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