Reply by Jerry Avins November 5, 20092009-11-05
waltech wrote:
> hi Rick and Jerry, > > forgot to mention: > the Book is first edition, hardback, and is identical to the > online version.
Can't be. The on-line version has at least been augmented with material from the second edition.
> "The Scientist and Engineer's guide to Digital Signal Processing". > California Technical Publishing".
... Jerry -- Engineering is the art of making what you want from things you can get. �����������������������������������������������������������������������
Reply by waltech November 5, 20092009-11-05
hi Rick and Jerry,

forgot to mention:
the Book is first edition, hardback, and is identical to the
online version.

"The Scientist and Engineer's guide to Digital Signal Processing".
California Technical Publishing".

I did a reply to your emails using the http://dsprelated website
submittal as "reply to group ".  The form was initially blank so I dont
know if the reply will reach the newsgroup properly.
I did another reply to, and the right prior text is in the form.
(this form ). In an hour, I'll know if the submittal is good.

thanks,
Walt .........


>hi, > >I would like some clarification on Smith's description >on p. 544. The material is discussed between p. 537 - p. 544 >Specifically, the regions of convergence, or value boundedness, or >no-convergence in the s-place. >
[remainder cut ]
Reply by Jerry Avins November 4, 20092009-11-04
Rick Lyons wrote:

   ...

> Hello Walt, > I'll bet someone here can help you. > But we'll need to know: > > * Which Smith book (exact title & publisher) you're reading. > * Which Edition of that book. > * Which printing number. > * Exactly which lines, on which pages, did you find the > statement that "there is not a stable system in the RHS"? > I, for one, don't know what those words mean.
The book "Scientist and Engineers' Guide ..." is on line at http://dspguide.com. If that is the book under discussion, then the URL of the specific chapter should put everyone on the same page, as it were. ... Jerry -- Engineering is the art of making what you want from things you can get. �����������������������������������������������������������������������
Reply by Rick Lyons November 4, 20092009-11-04
On Sat, 31 Oct 2009 11:53:48 -0500, "waltech" <waltechmail@yahoo.com>
wrote:

>hi, > >I would like some clarification on Smith's description >on p. 544. The material is discussed between p. 537 - p. 544 >Specifically, the regions of convergence, or value boundedness, or >no-convergence in the s-place. > >Q: >On the surface, it looks fine. However, the details of the specific >descriptions of the pole/zero a-e fig 30-4 appear to me confusing >(as far as I can understand the material ). It appears the LHS >and RHS descriptions are reversed again based on the text. >For example, Smith says there is not a stable system in the RHS !! >Perhaps someone could clarify the poles/zero a-e description ??
[Snipped by Lyons] Hello Walt, I'll bet someone here can help you. But we'll need to know: * Which Smith book (exact title & publisher) you're reading. * Which Edition of that book. * Which printing number. * Exactly which lines, on which pages, did you find the statement that "there is not a stable system in the RHS"? I, for one, don't know what those words mean. Anyway, Regards, [-Rick-]
>background: >I see he uses a sigma that is substituted >into exp(sigma) rather than exp(- (sigma) ). >This results in the exponential growth on the LHS of the >complex chart. Another EE. circuits text shows the exponential >growth on the RHS. Of course the e-decay is on the other side. > >I can accept this. > >However, the example description on p.544 which uses fig 30-4 is >confusing. The book error list shows nothing on this. > >This book is extememely helpful to my learning DSP, >and has inspired me to revisit a quite old EE circuit text >by Huelsman, which again, as far as my understanding, appears >at odds. I'd prefer the clarification to be directly on the Smith >content. > >thanks, > > >Walt.....
Reply by waltech October 31, 20092009-10-31
hi,

I would like some clarification on Smith's description
on p. 544.  The material is discussed between p. 537 - p. 544
Specifically, the regions of convergence, or value boundedness, or
no-convergence in the s-place.

Q:
On the surface, it looks fine.  However, the details of the specific
descriptions of the pole/zero a-e fig 30-4 appear to me confusing 
(as far as I can understand the  material ). It appears the LHS 
and RHS descriptions are reversed again based on the text.
For example, Smith says there is not a stable system in the RHS !!
Perhaps someone could clarify the poles/zero a-e description ??

background:
I see he uses a sigma that is substituted
into exp(sigma) rather than exp(- (sigma) ).
This results in the exponential growth on the LHS of the
complex chart. Another EE. circuits text shows the exponential
growth on the RHS. Of course the e-decay is on the other side.

I can accept this.  

However, the example description on p.544 which uses fig 30-4 is 
confusing.  The book error list shows nothing on this.

This book is extememely helpful to my learning DSP,
and has inspired me to revisit a quite old EE circuit text 
by Huelsman, which again, as far as my understanding, appears
at odds.  I'd prefer the clarification to be directly on the Smith
content.

thanks,


Walt.....