Appendix J

Abbreviations, Acronyms, and Symbols

 

 

 

THIS is a partial list of abbreviations, acronyms, and symbols used in the text, provided in the hope that it will be helpful to some readers.

Symbols

( )

used for a continuous function.

[ ]

used for a discrete function.

Greek Letters

α

feedback coefficient for simple IIR filters, such as those used for a type of echo generation for guitar special effects.

λ

wavelength.

π

ratio of a circle circumference to diameter, 3.1415926535897932…

τ

time constant.

ω

radian frequency.

A

a

filter coefficient associated with an output term, y. When used in a transfer function, the a coefficients are associated with the denominator of the transfer function.

A

vector ...

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