A Signal Transform Covariant to Scale Changes
	

Richard G. Baraniuk 
Department of Electrical and Computer Engineering
Rice University
Houston, TX 77251--1892, USA


A unitary signal transformation that is covariant by translation
to scale changes (dilations and compressions) in the signal is
formulated and justified.  Unlike the Mellin transform, which is 
invariant to scale changes, this new transform is a true indicator 
of the scale content of a signal.


Appears in "IEE Electronics Letters," Vol. 29, No. 19, 
pp. 1675--1676, Sept. 17, 1993.