olemus
väljundsignaali kvantiteet (amplituud, faas) sisendsignaali sageduse funktsioonina
=
response to a continuously varying input signal at various frequencies, the output-to-input ratio as a function of frequency

näiteid
http://slideplayer.com/slide/4912247/16/images/32/Total+Amplifier+Frequency+Response.jpg

https://i.pinimg.com/736x/9e/42/8e/9e428ea6ae9ddd76fab2b88f247ac327.jpg

http://www.faberacoustical.com/wpblog/wp-content/uploads/2010/06/iPhone-4-Headset-Response.png

http://www.learningaboutelectronics.com/images/Micfreqresponse.png

ülevaateid
https://en.wikipedia.org/wiki/Frequency_response

http://www.ee.ic.ac.uk/hp/staff/dmb/courses/ccts1/01100_Freqresp.pdf

https://web.engr.oregonstate.edu/~webbky/MAE4421_files/Section%207%20Frequency%20Response%20Analysis.pdf