REPRESENTATION AND ANALYSIS OF SIGNALS. PART XIX. DIGITAL COMPUTER PROGRAMS FOR SIGNAL ANALYSIS.
Interim technical rept.,
JOHNS HOPKINS UNIV BALTIMORE MD
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This report describes a collection of digital computer subroutines which perform many operations useful in the linear analysis of single epoch signals and linear, stationary, stable systems. Of central importance is the process of expressing a signal as a linear combination of a set of real andor complex, decaying, exponential functions, which may or may not be orthonormalized. The subroutine descriptions are designed to allow a person who is well acquainted with the concepts and calculations involved in signal analysis, but who has only a working knowledge of the FORTRAN computing language, to assemble various subroutines into useful composite programs. To this end, brief numerical examples are included for each subroutine to illustrate precisely how the input arguments define a given problem, and how the output arguments supply its solution. In addition to subroutines intended specifically for signal analysis, subroutines which perform common algebraic calculations and convenient input-output operations are included. Author