Title :
Fast calculation of impulse responses without multiplications
Author_Institution :
Technical University of Denmark, Institute of Circuit Theory and Telecommunication, Lyngby, Denmark
Abstract :
The impulse response of a linear system may be calculated from the response to a pseudorandom sequence. If the calculation is based on the fast Hadamard transform, only additions and subtractions are required.
Keywords :
binary sequences; linear systems; signal processing; transforms; fast Hadamard transform; impulse response; linear system; pseudorandom sequence;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810490