Recent content by ng

hi mike i am really new to dsp and control systems etc.and there is actually no one who can sit down and explain all this stuff to me.So u see its more of a self study.I am much dependent on the forum and replies from people like you. i shall see if i can get hold the book u mentioned.I am...

hi berkeman Thanku for the response.I am actually learning control systems now and came across this DSP stuff in it. As far as i know DSP is way too hifi to begin in this priliminary stage.Is it not?So i tot i wud stick with understanding Control systems then move on to DSP.I have heard its...

hello Why shud one use convolution ?Inorder to get the state transition matrix from x'=Ax+Bu x(t)=exp(at)x(0) + integral[exp(a(t-tau)) bu(tau) dtau where tau is the variable of convolution. i have read that convolution is used when integration is reqd,for instance,in capacitors and...

thanx a lot russ,i really needed this. :smile:

hey dlgoff thanx a lot.i shall look into each link and hopefully find what i am loking for and more. Thanx a loooooot!

hi es that is a very useful bit of info.I really needed it.Thanx for the same. :smile:

Hi all, 3 phase power is measured using 2 and 3 wattmeter methods.Correct? can someone explain how these 2 work?I cudn get enuf info on it.

hi, Can someone suggest some good books in Control Systems engg. which includes all from laplace to bode plots,nyquist etc etc. Thanx for any help.

Can someone tell me how to find the Quality factor of a loaded resonant circuit? PLEASEEEEEEEEEEthanks a lot.

i am sorry to be a dumbo but i wish u spelled it out. :redface:

Hi all I read that Q,the quality factor of series resonant circuits is wL/R ------------>1/R sqrt(L/C).This i understand 1.but for parallel resonant it is R/wL...hmm but why is that?this i don quite get. 2.Then what do u mean by loaded resonant circuit and unloaded resonant circuit...

okay sgt,now i get it. thanx a loooooooooooooot!

but then sgt,i also read that ip shud be assumed as acos(wt+phi) + bsin(wt+phi) not Kcos(wt+phi) as the supply is Vcos(wt+phi).they need not be in phase... i am confused now.

SGT,Thankyou very much indeed. I think i got the stuff in my head atlast. Thankyou. :smile:

how u get the steady state and coomplementary solution. i understood quite a few things from ur replies but not how to reach the final equations.i am going wrong whenever i try it. so cud u please help out?thanku again