Application of a Modified Fast Fourier Transform to Calculate Human Operator Describing Functions

journal article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Systems, Man, and Cybernetics: Systems, IEEE Transactions on Cybernetics, and IEEE Transactions on Human-Machine Systems

Vol. 10 (4) , 140-144
https://doi.org/10.1109/tmms.1969.299913

Abstract

A modified fast Fourier transform (FFT) is used in a hybrid computer program to permit processing of tracking data during a run to yield the human operator's describing function almost immediately after the data-taking period. The computer processing time is substantially reduced at no cost in accuracy.

Keywords

FAST FOURIER TRANSFORMS
HUMANS
SAMPLING METHODS
CONTROL SYSTEMS
NASA
SHAPE
FREQUENCY
DISPLAYS
AERODYNAMICS
MAN MACHINE SYSTEMS

This publication has 1 reference indexed in Scilit:

HUMAN PILOT DYNAMICS IN COMPENSATORY SYSTEMS
Published by Defense Technical Information Center (DTIC) ,1965