Content deleted Content added
add a footnote |
remove possibly incorrect part of a footnote |
||
Line 32:
The second integral is called the '''periodic convolution'''<ref name=Oppenheim/><ref name=Jeruchim/><ref name=Udayashankara/> of functions ''x''<sub>''T''</sub> and ''h''<sub>''T''</sub>. When ''x''<sub>''T''</sub> is expressed as the [[periodic summation]] of another function, ''x'', the same operation may also be referred to as a '''circular convolution'''<ref name=Oppenheim/><ref name=Udayashankara/><ref name=Priemer/> of functions ''h'' and ''x''.{{efn-ua
|This terminology is not consistent across all authors. Some authors consider them synonymous
|[[#refMcGillem|McGillem and Cooper]], p 172 (4-5 & 4-6)}}
}}
| |||