Oscillators – Electrical noise or random wave generator
Patent
1978-08-21
1979-10-30
Grimm, Siegfried H.
Oscillators
Electrical noise or random wave generator
364717, H03B 2900, H03K 384
Patent
active
041730003
ABSTRACT:
A reliable, repeatable and stable generator capable of producing noise with nown or given amplitude probability distributions up to 96 dB dynamic range, commonly found in atmospheric noise VLF/LF frequency bands. A continuous impulse noise amplitude probability distribution is digitally synthesized in a piece-wise fashion in 6 dB amplitude increments. These increments are linearly combined with a digitally generated Gaussian noise component for simulation of VLF and LF atmospheric noise.
REFERENCES:
patent: 3617925 (1971-11-01), Bensema et al.
Cernius Roger K.
Singer Paul A.
Grimm Siegfried H.
Phillips T. M.
Rubens G. J.
Sciascia R. S.
The United States of America as represented by the Secretary of
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