Digital filter equation, response, trans

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bonjour from Prague

Here are materials, complex no and how it is work

 

IIR filters: Digital filter equation -

http://www.bores.com/courses/intro/iir/5_eq.htm

 

IIR filters: Filter frequency response -

http://www.bores.com/courses/intro/iir/5_resp.htm

 

IIR filters: The z transform -

http://www.bores.com/courses/intro/iir/5_ztran.htm

 

IIR filters: The meaning of z, where z is a complex number

http://www.bores.com/courses/intro/iir/5_z.htm

 

 

enjoy:D