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Signals and Systems (2nd Edition) 2nd Edition
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Top Customer Reviews
I've noticed several previous reviewers have critisized this book based on clearly false assumptions. Clarification must be done for non-EEs:
This book, along others titled ' Signals and Systems' is intended as a preliminary to the 'systems' part of electrical engineering in general(namely Communications, Signal Processing, and Control). Hence it's not a book on standard DSP (the author has two other books that are specifically entitled Digital Signal Processing and Discrete time signal processing).
What's more, since this book was designed specifically as an introduction for sophomore and junior engineering students, one cannot expect this book to go into lebesgue2 space, inner-products, bounded-operators and the like. Certainly oppenheim didn't have functional analysts in mind when he wrote this book! The mathematically inclined reader should aim for 'Signal Analysis: Time, Frequency ,Scale, and Structure' by Allen and Mills.
As for the typical reader of this book, I think it is well written and the equations are very well motivated. The author repeats the difficult and essential concepts several times here and there, which is very useful for the new comers into the field, although I do agree with reveiwers that said the book needs some adjustments in terms of examples, which are sometimes trivial and sometimes confusing.
I believe the book needs to be updated by the author sometime. The book lacks computer problems and examples, which would be very helpfull for students to visualize what's going on.
hope this was useful!
The book is an excellent basic introduction to the subject. It takes what can be a very difficult subject for students and provides a relatively clear path through the material. It doesn't assume very much mathematical background in the sense that there are plenty of very elementary problems in chapter one to remind you of the basics that you need for the rest of the book. Obviously if students have trouble with these problems they need to consider additional study to fill in some of the gaps in their knowledge on the mathematics side.
The worked examples in the chapters are excellent, although sometimes you have to ask yourself what you are supposed to be learning from each example or end of chapter problem. The first 20 problems at the end of each chapter really cover the chapter material, and subsequent problems delve into the material in a little more depth or in relation to more real-world problems. If you understand the chapter you should have no great difficulty in doing the first 20 problems in each chapter, and the answers are provided to help you make sure you aren't missing the point. I found some of the other problems a little less clear, and certainly the students had difficulties here. I provided well over a hundred pages of written solutions for my students to try to overcome this deficiency.Read more ›
I highly recommend Alan Oppenheim's Signals and Systems lectures on MIT OCW. The lectures are on youtube. The book makes more sense when you follow along with the lectures.
A few comments on the latter: it seemed to me that the first 20 basic exercises at the end of each chapter were very basic, of the type "plug-in the formula from the table on the previous page", while the subsequent problems, especially the advanced ones, are way above the level of the former. Working out through those was meticulous, hard and very lengthy as compared to the basic stuff (the solutions provided by our instructor were of the order 1-2 typed pages per problem). Providing answers or at least general strategies would have been tremendously helpful. I am aware that there is a solutions manual, however the textbook itself is expensive enough.
The information was presented clearly, but I liked our professor's introduction to convolution more that the book's coverage. The sampling chapter was, at least to me and some of my fellows, a bit confusing and we had to, again, rely more on class notes.
Overall this is a good book, albeit very-very expensive (I was lucky enough to get a cheap Indian reprint).
The text discussed Fourier series, Fourier transforms, the Laplace transform and the z-transform. I have had some previous exposure to all of these topics, but still found their discussions interesting and useful. My previous experience was from the viewpoint of pure mathematics, and an applied perspective like this can bring additional insight over purely mathematical treatments.
The authors placed the discussion in the context of both continuous and discrete systems. I have had a fair amount of experience working with discrete systems, so this posed no great problem to me.
Completely new to me were sampling, communications, and linear feedback systems. I really enjoyed their treatment of these subjects.
They present numerous examples, which I found to be very helpful. In addition, although they would discuss continuous and discrete situations side by side, they were very clear, and I did not find this confusing.
My overall assessment is that, with my background, this was suitable for self-study. I would place its intellectual level at about the sophomore or junior level, but I believe many people who come to this book with a less extensive background than I would find it very difficult to read, as there would be many new concepts and principles to digest.Read more ›
Most Recent Customer Reviews
I was assigned to use this textbook for my college semester, and it was not the most helpful. I found that it did not go in depth with the topics, which is what I was hoping to get... Read morePublished 7 days ago by Skylar
I definitely rued this textbook during college. No one did well in this class. No one. At the time, I thought that maybe no one was worthy of passing this class and that we should... Read morePublished 1 month ago by Andrew B.
Quality of book is good as new. Same covered as classroom book. Very great price.Published 2 months ago by CTran
I know that many students don't like this book, but the authors improved the first edition. It is "the" book to study Signals and Systems, because it's clear, you don't... Read morePublished 3 months ago by Marcelo Battigane
Prof. Oppenheim’s well-known introduction to signals and systems offers a clear, comprehensive, and accessible exposition of the subject to those embarking on their EE careers. Read morePublished 3 months ago by Douglas Chartier
I used this book for one of my undergrad classes.
The actual subject matter is pretty middle of the road, half the people i know liked, the other half didn't. Read more