Post by thread:[ee] What frequency is that

At 01:26 PM 6/13/00 +1000, you wrote: >13/6/2000 > >Hello all, > >Simple question (DSP stuff). >What frequency is this:- > >10sin(4200piet) > >-8.16Hz? No! > Assuming it is v(t)= 10*sin(4200 * pi * t).. It is a 10 volt peak (20 V P-P) sine that is at 2100 Hz. In this case, the angle is in radians, and 2 * Pi radians is one cycle (360 degrees). Best regards, =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Spehro Pefhany --"it's the network..." "The Journey is the reward" spam_OUTspeffTakeThisOuTinterlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com Contributions invited->The AVR-gcc FAQ is at: http://www.bluecollarlinux.com =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Sphere Pefhany wrote: > > At 01:26 PM 6/13/00 +1000, you wrote: > >13/6/2000 > > > >Hello all, > > > >Simple question (DSP stuff). > >What frequency is this:- > > > >10sin(4200piet) > > > >-8.16Hz? No! > > > > Assuming it is v(t)= 10*sin(4200 * pi * t).. > or maybe it's v(t)=10*sin(4200*pi*(e^t)) or v(t)=10*sin(4200*pi*e*t)