CSPI

CSP DIGITAL COMPUTERS [ AND CSS HARDWARE SYSTEMS OF A BASICALLY DIGITAL NATURE, COMPUTER-INHERENT OR COMPUTER-ORIENTED, ] WHICH [ WHOLLY OR IN CONCERT ] PROVIDE SUCH DIGITAL SIGNAL PROCESSING FUNCTIONS AS AUTO-CORRELATION, CROSSCORRELATION, CONVOLUTION, CEPSTRA, OTHER FOURIER TRANSFORM TECHNIQUES, RECURSIVE DIGITAL FILTERING, ENSEMBLE AVERAGING, AMPLITUDE HISTOGRAMS, AND DIRECT COMPUTATION OF SUCH FUNCTIONS AS AUTO-CORRELATION, CROSS-CORRELATION, AND CONVOLUTION [ SOFTWARE PROGRAMS IN THE FORM OF ] [ PUNCHED PAPER TAPES AND ] [ MAGNETIC TAPES ] [, INCLUDING REPRODUCED COPIES IN MANUAL FORM ]