Title :
Noise analysis with a heterodyne-type sonic analyzer
Author :
Richard, J.D., Jr. ; Smith, P.F. ; Stephens, F.H.
Author_Institution :
Univ. of Miami, Coral Gables, Fla.
Abstract :
A technique for obtaining noise spectrum levels using a heterodyne type sonic analyzer is described. The analysis of a specific noise recording is shown as an example. A method is also described for obtaining spectrum levels directly from the cathode-ray tube photographs.
Keywords :
Cathode ray tubes; Circuits; Frequency; Harmonic analysis; Harmonic distortion; Instruments; Noise level; Oscillators; Phase distortion; Voltage;
Journal_Title :
Audio, IRE Transactions on
DOI :
10.1109/TAU.1955.1165408
