Asking for official sources, e.g. books, scientific articles or other similar literature that can be used to back up your statements or methods.

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0answers
35 views

Efficient computation of Chirp Z Transform

Chirp Z Transform (1, 2, 3) is more powerful than zooming techniques (I use it to actually trace non-stationary chirp signals) and very usable in signal processing, but it's flexibility comes at price ...
13
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3answers
674 views

Recommendation for book - Writing DSP code in C

I am looking for some good book, that simply show how you actually write a code in C, to do all the main DSP methods . DFFT Low pass and high pass filters Auto-correlation Noise processing And all ...
0
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1answer
26 views

A reference request for zero-order hold (ZOH)

From Wikipedia: A zero-order hold reconstructs the following continuous-time waveform from a sample sequence $x[n]$, assuming one sample per time interval $T$: $$x_{\mathrm{ZOH}}(t)\,= \sum_{n=...
2
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0answers
97 views

Resource and reference request: Analytical BER and SER expression for M-QAM systems in fading channels

For modulation techniques such as QAM, berfading() can be used for Rayleigh fading channel. Link1 presents the code for simulating the analytical expression for BER ...
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5answers
398 views

Fields of math needed for digital filter design

I want learn digital filter design. My knowledge of math is at high school level. I can learn math through the Internet. Then, what fields of math do I have to learn?
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1answer
546 views

What is a “Hampel Filter” and how does it work?

One of the new functions in the MATLAB Signal Processing toolbox for R2015b is the Hampel Filter. It appears to be used for outlier removal and from the examples, it looks like it might do a better ...
0
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1answer
32 views

Need a reference on period of LFSRs

I need a reference for the fact that each LFSR with XOR operation has a period of $2^m-1$ excluding zero state and every LFSR with XNOR operations has the same period excluding all ones state. I want ...
5
votes
2answers
82 views

When did signal processing become a field of its own?

This is perhaps a bit soft question but when did signal processing become a field of its own? It would appear to have first been a branch of mathematics and statistics but then emerged as an ...
2
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1answer
230 views

MUSIC algorithm for peak detection

On Wikipedia, is written that MUltiple SIgnal Classification (MUSIC) is an algorithm used for frequency estimation. One purpose of estimating the spectral density is to detect any periodicities ...
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0answers
15 views

Reference : Blind equalizers for CDMA communication

I would like to know which equalizers are commonly used in practice for Direct sequence CDMA communication. For a project, I need to simulate CDMA communication with a blind equalizer and was ...
0
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1answer
32 views

What is a good book reference on the definition of “subharmonic frequency”?

Is there a good book reference on the definition of "subharmonic frequency" as integer fractions of the highest available frequency?
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0answers
88 views

Fourier transforms of random processes

In the Wikipedia article on Brownian noise, the Fourier transform of Brownian noise is determined. How is that Fourier transform defined? It seems it is a non-random quantity there, so it is not ...
2
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1answer
42 views

A Sampling theorem for power signals

Any function $f \in PW_{\pi}$ (where $PW_{\pi}$ is the Paley-Wiener space), can be expanded in terms of the orthonormal basis $\{e^{i n x}\}_{n\in \mathbb Z}$ as $$\hat{f}(x)=\sum_{n\in \mathbb Z}\...
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2answers
71 views

What is the entropy for these cases?

This question stems from an article, "Entropy estimation of symbol sequences" download link where the abstract mentions the need for using symbols in information theory. Random chains of ...
3
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2answers
100 views

Convex optimization in signal processing

In signal processing, convex optimization plays a useful role in problems such as sparse signal recovery and filter design. What other places does convex optimization appear? For example, in ...
2
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0answers
23 views

Performance of system identification with nonlinear input

Paper : System Identification using Symbolic Chaotic Sequence download link proposes EM-UKS estimator for system identification of a linear FIR channel when excited by non-linear input. In Fig 3 of ...
4
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1answer
103 views

New Horizons at Pluto

I'm teaching an undergraduate linear algebra course, and looking for applications. The New Horizons spacecraft is approaching Pluto, and returning images I find fascinating: http://pluto.jhuapl.edu/...
0
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1answer
45 views

Forecasting with ARMA models, from a filter point of view

ARMA models are afaik just filters with transfer function $ {MA(z) \over AR(z)} \equiv {FIR(z) \over IIR(z)} $ . However forecasters of stock prices, market trends ... seem to be mainly ...
0
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1answer
33 views

Convolution of one signal with an evenly spaced signal

I do not specialize in signal processing so I wonder if there is any references to the following procedure. Let $[n]=\{0,1,\ldots,n\}$. Consider the function $f:[n] \to \mathbb{R}$ and $g:[kr] \to \...
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2answers
290 views

A DSP simple book/reference? [duplicate]

I have some basic maths skill up to derivatives. I ask you if you know any simple/concise book that can introduce me to DSP world. Thank you.
0
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1answer
27 views

Available Online Recordings for Acoustic Echo Identifiablity

I am trying to add a few samples for a publication on identification of clean signal from the one which has echo on it. For this purpose I need data set that includes playback of an already available ...
0
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0answers
87 views

Comparing two wav in matlab using NullTest

i have a legacy processed audio wav file. Another UN-processed copy of the source is processed by my algorithm. From both processsing blocks i get processed wav files as output. Now i want to do null ...
3
votes
4answers
479 views

What are the minimum knowledge required to begin the study of Digital Signal Processing?

I am a student of computer science (not the university but technical school). I am interested in the world of DSP, and I saw that it is closely connected with mathematics. I noticed for example that a ...
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3answers
138 views

comparison between frequency offset estimators

I have been working frequency offset estimation in OFDM. The objective was to compare different frequency offset estimation techniques. By using MATLAB, I have simulated three different estimation ...
8
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3answers
3k views

Can we break the Shannon capacity?

I have a friend working in wireless communications research. He told me that we can transmit more than one symbol in a given slot using one frequency (of course we can decode them at the receiver). ...
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2answers
198 views

Need to learn wavelet, suggest steps and resources [closed]

I am looking for a good introduction to wavelets and wavelet transforms. that covers the following: Vector Spaces – Properties– Dot Product – Basis – Dimension, Orthogonality and Orthonormality – ...
9
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2answers
528 views

A good textbook for designing signal filters

Since a couple of months ago I started being actively involved in the area of control of dynamical systems. In most cases, designing a controller for a given dynamic system will require the ...
5
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3answers
376 views

Different representations of images and their purpose

I'm doing a small overview of different image representations used in image processing and computer vision. For every representation, I would like to have (at least) the following information: the ...
0
votes
1answer
235 views

Book recommendations on Gabor filter and Fourier series

I'm starting to learn about Gabor filters and Fourier series. I need to make a presentation on Gabor filters in a few months, so I need quality references for the presentation. Does anyone have any ...
1
vote
1answer
522 views

Introduction to speech processing with code and examples?

Can anyone suggest an introduction to speech processing, class notes or books accompanied by programs that can be run to see what the algorithms do ? For example, in Burrus et al., Computer-Based ...
4
votes
1answer
749 views

What is the definition of a noiselet?

I am reading about different integral transforms. Fourier transform being a subject I will soon take a class on. Looking at the wavelet transform there is one term that I do not understand, that is ...
6
votes
3answers
627 views

Intuitive interpretation of Laplace transform

So I am getting to grasps with Fourier transforms. Intuitively now I definately understand what it does and will soon follow some classes on the mathematics (so the actual subject). But then I go on ...
0
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1answer
294 views

Where can I find an authoritative (peer-reviewed or textbook) reference to sampling-induced beating?

I presume we are all here well aware about foldback aliasing when sampling signals above the Nyquist frequency; i.e. half the sampling rate. By contrast, the phenomenon of beating occurs when ...
8
votes
3answers
535 views

How do I get started with Wavelets

Our current project requires us to do some analysis using Wavelet Transform. Can anybody suggest me a practical book, preferably with MATLAB or C examples. I am currently reading some tutorials, but ...
5
votes
1answer
121 views

Delta-limiting filter

Consider a filter which tracks $x_i$, clipping $|x_i - x_{i-1}| >$ some limit, say 1: ...
10
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4answers
270 views

Any references for the trade-off between software and mechanics/optics in industrial machine vision systems?

I explain my question with a simplified example. I can design an industrial vision system for the automatic inspection of an item with these main requirements: the image of a good piece must be a ...
3
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0answers
59 views

Recent Papers on Spectrum analysis

This is more of a soft question, I am currently writing a paper for my Master's in Mathematics and my topic of choice has been to focus on the Mathematical techniques behind Spectrum Analysis. For ...
3
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3answers
136 views

Is Smith's book still usable and up-to-date?

I'm learning DSP with Smith's book, but I discovered the second edition is from 1999, is this book still usable today?
2
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3answers
120 views

Origin of term spectrogram

I'm writing up a manuscript and I use the term spectrogram quite a bit. I've defined a spectrogram as the magnitude squared of the short time Fourier transform of my signal. It's an estimator for a ...
4
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3answers
250 views

Pattern recognition and Machine Learning reference

My main reference for machine learning and pattern recognition is Pattern Recognition and Machine Learning by Bishop. But I want a complementary reference to this which has more exercises and explains ...
6
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2answers
509 views

Precision of Computer Vision algorithms

Let's say the task is to determine element position on image. First very important thing is correct detection of object then some algorithms of calculating position are used (for examble blob analysis)...
1
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0answers
43 views

Statistical Signal Analysis - what to read [duplicate]

Possible Duplicate: Introduction to Statistical Signal Processing Currently I am doing an (undergrad) class on statistical signal analysis, but I find the reader at hand (no book, buh) very ...
2
votes
1answer
128 views

Role of Kalman filter in nonlinear dynamics

I am quite interested to know the significance of using kalman filter,unscented kalman filter and extended kalman filter in chaos synchronization when infact the very basics of chaos synchronization(...
2
votes
1answer
595 views

What is Shannon's source entropy

Suppose that ${X_n; Y_n}$ is a random process with a discrete alphabet, that is, taking on values in a discrete set for $n$ data length. They correspond to the input and output of a communication ...
2
votes
1answer
67 views

Projection of 2D signal

Paper describes that a 2D signal(say video) can be projected to 1D for time series analysis by using a transformation function fx=Ax+constant and ...
4
votes
1answer
126 views

Issues related to entropy

I have long been faced with the confusion regarding entropy and would be obliged if the following are answered in less technical jargon. Following the link Different kinds of entropy raises the ...
5
votes
2answers
256 views

Jumping from DSP concepts to practice…recommend books?

I have fairly good understanding of DSP theory and algorithm design (and also MATLAB and C). What are the best books or what other advice could be given for learning how to actually implement DSP ...
5
votes
1answer
133 views

Resources on ridgelets/curvelets

Can you suggest any good introductory resources on ridgelets and/or curvelets for image processing purposes? I'm considering buying Sparse Image and Signal Processing: Wavelets, Curvelets, ...
4
votes
6answers
444 views

Books that explain DSP well to those not directly in engineering?

I do work with computer graphics and am dipping my toes into ray tracing. That field involves a good number of the subjects covered in DSP (Fourier transform, time vs frequency space, etc) but I was ...
2
votes
2answers
105 views

survey/book on adaptive/self-tuning of PI controllers?

Can someone point me towards a good book or survey article on adaptive/self-tuning of PI controllers? All I can find online are articles which are either vague or heavy on theory.