Correlation: A brief introduction

Matthew N.O. Sadiku, Sarhan M. Musa, Sudarshan R. Nelatury

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


An important concept in many applications is the correlation function between two signals. The correlation function is more of a measure of similarity between functions. In spite of the importance of the correlation function, it is not covered in most books on signals and systems and signal processing. The few books that cover it do not provide examples students can follow. This paper provides a simple introduction to the correlation function in continuous-time and discrete-time. It provides graphical examples and MATLAB examples.

Original languageEnglish (US)
Pages (from-to)93-99
Number of pages7
JournalInternational Journal of Electrical Engineering and Education
Issue number2
StatePublished - Apr 2014

All Science Journal Classification (ASJC) codes

  • Education
  • Electrical and Electronic Engineering


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