In my opinion these are some of the very best books in signal processing.  (not in any particular order)

Books that would appeal to the scientific mind.

The Reading Lesson by Charan Langton

11 comments on “Books
  1. abdalkhalik says:

    Thank u very much, this is very useful site

    i have an interest in Coding Theory and i’m currently studying polar coding however i cannot find any book that talks about polar coding

    does any any know any book that can help me???

    thank u

  2. Michael Gutmann says:

    Dear Ms. Charan Langton,

    I want to thank you for this website. I searched long and hard on the web for a straight-forward explanation of the Hilbert Transform and I found many mathematics articles which began by stating what an important transform it is but without any explanation of its application. Your tutorial on the subject here was very clear and gave the reader both a basic understanding as well as a good level of the mathematics. Your concrete example at the end of the tutorial, where you show all the steps to using the transform with the function f(t)=4cos2t-6sin3t was brilliant!

    Your have a real gift for taking a very complex subject and explaining it, both at an overview level and with a level of mathematics that does not dumb-down the subject but provides excellent depth. I hope and wish your material is getting disseminated widely because it is rare (almost impossible?) to find this kind of technical writing elsewhere.

    I will say that many of the figures and equations come across somewhat mangled when viewed with the Chrome browser. I don’t know if there’s anything that can be done about that. Of course, what is really needed is for you to publish your material in textbook form!

    Incidentally, I did an search under your name to see if you had published a textbook with the Comms material at this site and found there were a number of elementary math books (verbal texts?) with yourself as the co-author. That was surprising to see, based on the sophistication of your Comms site here.

    In any case, thank you once again for your wonderful contribution and making it available on the net. I look forward to reading many more of your tutorials here.

    Michael Gutmann
    Instructor, Dept. of Math
    University of Portland
    Portland, Oregon

  3. Charan L. says:


    Thanks a lot of these nice words. Appreciate it.
    I used to do math in form of verbal quizzes with my kids when they young, mostly because they didn’t like to do worksheets. I tried Kumon with them but it required too much handwriting. So I created these Verbal Math Lesson books a while ago, first for my kids and now for schools. Math is often thought of as a tedious subject by children but if you do it as a game, verbally, I think kids like it and develop a better sense of it. The other math stumbling block in fractions. I also wrote a book on Verbal Fractions which I wish more school would use and adopt. Being able to do fractions in your head gives a child confidence in math for future education.

    Thanks again.

    June, 2014
    Any way.

    • David Morley says:

      Your comments about verbal teaching underscores the importance of talking to our children. When my daughter was young I played Math games with her to teach her to do basic Math in her head. By the time she was in High School she was better at Math than her Teachers. I also read alphabet books to her from the time she was only six months old. She started to recognize words when she was a little over a year old and could read before she was four.

      • Charan L. says:

        Thank you David.
        I wish more parents would do that with their children. Early math is really more of a game and ought to be taught that way. The worksheets kind of put dread in the whole business, as kids are not yet good with their handwriting.

  4. Mr. Rajesh Sanghvi says:

    I am a lecturer of Mathematics at an engineering college in India. I heartily thank you for posting such nice tutorials. It is really difficult to develop an insight on Fourier series, DFT, FFT etc. I found this tutorials very helpful in this way. Books do not explain such things. I appreciate your kind action. I hope in future also you will help us by uploading good material on topics you are familiar with.

  5. Nguyen Le Hung says:

    Dear Charan Langton,
    I’m a beginner in Electrical Engineering. Could you please recommend me some books or reference websites which give instruction on how to simulate theories in DSP and basic systems of Digital Communication / Wireless Communication by using Matlab and Simmulink ?
    – Explanation
    – Algorithms
    – Sample codes
    Thank you and BR

  6. NITIN SAHU says:

    Respected Madam,

    I am an scholar from an institute in india.
    HATS OFF to your exceptionally good tutorials.

    Your tutorial speaks everything.

  7. M Masroor Akram says:

    Dear Madam,

    I would like to thank you for exceptionally good tutorials. I have learnt a lot from these. I have been a visitor to your web-site since long. I like the new “Books” sections.

    These days I have been looking for a good “text” like book (I mean a detailed book) on Geo-location techniques with regards to Satellite communications but could not find it yet. I would appreciate if you can help me on this.

    Thanking you in anticipation.

    M Masroor Akram

  8. james says:

    Dear Ms Langton,

    Could you recommend the best source for understanding digital baseband concepts – expected value/power desity/autocorrelation?

    I am struggling very hard with these topics. i have not studied statistics before and all texts often do not even explain the notation.

    I would love something that has at least one example fully explained. ideally with pictures. Any book suggestions?

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