Accession Number : AD0700055

Title :   CRITERIA FOR EVALUATING FOURIER TRANSFORM COMPUTATIONAL RESULTS.

Descriptive Note : Technical rept.,

Corporate Author : LOUISIANA STATE UNIV BATON ROUGE COLL OF ENGINEERING

Personal Author(s) : Dollar,Carlos Ray ; Murrill,Paul W. ; Smith,Cecil L.

Report Date : JAN 1970

Pagination or Media Count : 21

Abstract : When numerical methods are used to calculate Fourier transforms from discrete points from the input and output of a dynamic system, the resulting Bode plot degenerates at high frequencies. Several factors contribute to this, e.g., foldover, noise in data, computational methods, etc. To effectively analyze the effect of these, it is essential that the blow-up point be determined accurately and consistently. This paper examines integral criteria for this purpose. (Author)

Descriptors :   (*INTEGRAL TRANSFORMS, NUMERICAL ANALYSIS), (*CONTROL SYSTEMS, TRANSFER FUNCTIONS), FOURIER ANALYSIS, PULSES

Subject Categories : Numerical Mathematics

Distribution Statement : APPROVED FOR PUBLIC RELEASE