Accession Number : AD0701712

Title :   SPECTRAL ANALYSIS OF THE CONVOLUTION AND FILTERING OF NONSTATIONARY STOCHASTIC PROCESSES.

Descriptive Note : Final rept.,

Corporate Author : BOLT BERANEK AND NEWMAN INC CAMBRIDGE MASS

Personal Author(s) : Mark,William D.

Report Date : JAN 1969

Pagination or Media Count : 112

Abstract : A unified theory is presented that deals with the spectral description, the convolution, and the filtering of nonstationary stochastic processes. Two time-dependent spectrum definitions, the physical spectrum and the instantaneous spectrum, are discussed in detail. (Author)

Descriptors :   (*SONAR SIGNALS, SOUND TRANSMISSION), (*STRUCTURES, *SHOCK WAVES), (*INFORMATION THEORY, POWER SPECTRA), STOCHASTIC PROCESSES, FOURIER ANALYSIS, INTEGRAL TRANSFORMS, BAND PASS FILTERS, ECHO RANGING, MULTIPATH TRANSMISSION, VIBRATION

Subject Categories : Cybernetics
      Acoustic Detection and Detectors
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE