Questions tagged [reference-request]
Asking for official sources, e.g. books, scientific articles or other similar literature that can be used to back up your statements or methods.
3
votes
0answers
44 views
Convolution of signals sampled on a logarithmic grid
Is there a practical accelerated algorithm or a theoretical discrete (Fourier) transform based method to convolve discrete-time signals sampled on a logarithmic grid? What I mean is representing a ...
1
vote
0answers
27 views
Advances in Blind SNR estimation beyond $M_2M_4$
In Pauluzzi and Beaulieu, various SNR estimation methods are compared. Among the blind methods considered, the $M_2M_4$ estimator seemed to be unambiguously the best. However, it has been shown that ...
-1
votes
2answers
38 views
Digital communication BER performance
I've searched for the theoretical equations of bit error rate over Rayleigh flat fading channel basically for binary phase shift key and 16-Quadrature modulation but i didn't find them, could any one ...
0
votes
1answer
42 views
Control optimization problem
I am running into a problem where I have a control system $S[t]$ that takes a control $C[t]$, so that
$$S[t+1] = H(C[t,t-1,...], S[t,t-1,...])$$ the response of the system is the history of controls ...
4
votes
2answers
55 views
references for techniques to reduce recursive filter startup transients
I am trying to track down references (published articles or reports ideally) that establish the basis for some of the techniques being used to minimize the effect of recursive digital filter startup ...
1
vote
1answer
314 views
Practical book in C [duplicate]
Is there any practical “go to” book that demonstrates the main dsp methods for time series written in C for practical applications? (Doesn’t have to be for hardware, but for any raw data such as ...
2
votes
2answers
68 views
Recommended resources for noise reduction
I know the question What Resources Are Recommended for an Introduction to Signal Processing (DSP)? and I have already read some general DSP books, such as Rick Lyons's "Understanding DSP," and also ...
0
votes
0answers
33 views
Basis Expansion Model (BEM)
As you know, Basis Expansion Model (BEM) is a time-varying channel model.
I try to understand that model from the beginning, but when searching in Google, I get many many things. Could you please ...
0
votes
0answers
19 views
Using feature detection as weight function in non linear filtering energy function
In image processing \ computer vision It is known that some filtering operations can be formalized as
$$
E(u)=\int_{\Omega} \lVert u - f \rVert^2 + \lambda \lVert \nabla u\rVert^2 d\Omega
$$
...
2
votes
1answer
74 views
Introductory resources to mathematical properties of “dynamically recalculable” filters in audio/musical equalizers?
Introductory resources to mathematical properties of "dynamically recalculable" filters in audio/musical equalizers?
Particularly, I want to understand
What mathematical features (e.g. monotonicity ...
0
votes
1answer
27 views
Is there some literature to understand finite state ISI channel?
I am trying to understand channels with memory, where the state of the channel gives the past input information. I want to delve further into capacity for channels with ISI. I came across a ...
0
votes
0answers
38 views
Basis Expansion Channel Model
I usually encounter that kind of channel model which is Basis Expansion Channel Model, But I couldn't understand its meaning exactly, and what is it. Could you please help me by providing a simple ...
0
votes
1answer
65 views
Channel Shortening for underwater acoustic channel communication
I'm new in this forum, hope that we can learn from each other well. I need to ask about the channel shortening for underwater acoustic channel.
what are the common algorithms in that field? is ...
1
vote
0answers
19 views
Doubt regarding definition of pixel bond
The following is a quotation from an Image processing textbook:
The connectivity relationship between a center pixel and its eight neighbors can be quantified by the concept of a pixel bond, the sum ...
4
votes
1answer
218 views
Signals and systems book with linear algebra approach
I am currently taking a course on discrete-time signals and systems. I am using B. P. Lathi's Signal Processing and Linear Systems, which I don't like at all, as it doesn't draw any paralells to ...
1
vote
1answer
272 views
Common symbols or standards used for DSP block diagrams?
When creating high level block diagrams of DSP or signal processing, what symbols are typically used?
Are there any standards? For example its common to see gain to be a triangle. Whilst for a low ...
0
votes
1answer
53 views
Fundemental scintific publication in up conversion down conversion
Prior to performing DSP on a signal and afterwards, up and down conversion of the same in order to transmit and receive the signal is important.
I would like to know if anyone knows a fundamental ...
2
votes
2answers
114 views
Forward/reverse median filter. Reference needed
I am using the double median filtering of my data. For this, I perform median filtering of the signal in forward direction, then in reverse direction (from end to start). Results are averaged. Example ...
0
votes
0answers
23 views
Link between data transitions and scrambler polynomial
The question I have is about LFSR-based multiplicative scramblers. Let's suppose we have a scrambling polynomial (LFSR) being x^32 + x^31 + x^29 + x^27 + x^25 + 1, and that my line coding is NRZ (sinc ...
0
votes
0answers
33 views
Applying the inverse FFT to even out a room's sound - What is the more efficient algorithm?
I have a way (the standard way) to correct for my room's acoustics, but I'm wondering if there's a more efficient algorithm, something that doesn't involve going to the frequency domain maybe?
I ...
4
votes
1answer
63 views
When Kalman's assumptions are relaxed
From Kalman's seminal paper "A New Approach to Linear Filtering and Prediction Problem", it is clear that Kalman's exposition is based on the following fundamental assumptions:
Measurements that are ...
3
votes
1answer
54 views
Newbie looking for an interesting introductory book to telecommunication and signals/data processing
I am currently in my first year of Bsc Applied Physics. Over the past two years, I have realized I'm interested in majoring in telecommunication after I finish my bachelor. Also, for one of my classes ...
1
vote
0answers
37 views
An applied mathematics journal concerning signal processing field [closed]
I am looking for a tutorial-style/survey/monograph mathematics/applied mathematics journal concerning signal processing or at least publishes such papers. I have googled but I could not find a nice ...
0
votes
0answers
43 views
Guidance for a newbie in signal processing
I have no idea what I'm doing when it comes to DSP, but here we go.
I have the following types of time series data.
The following image doesn't have the signal I'm interested in identifying:
This ...
0
votes
1answer
236 views
Best beginner DSP book for developing plugins
I'm a computer science student and I love producing music and I really want to get into developing audio plugins. I'm currently learning the JUCE framework and am fairly comfortable with C++. I'm also ...
0
votes
0answers
46 views
BCH code literature
I am working on a project that requires of me to implement BCH coder and decoder on a FPGA board. The problem is i can't understand how this BCH code works. I found lots of literature about it, but I ...
1
vote
1answer
80 views
Errata for Lyons's DSP book
After reading the comments$^1$ and looking through various texts, I am going to use Understanding Digital Signal Processing for my self-study (Oppenheim & Wilsky was my 2nd choice). I'm 99% sure ...
0
votes
1answer
81 views
Can anyone help me with good reference books for Discrete Wavelet Transform (DWT)
I am working on EEG signal. To analyze the signal I need to use DWT. Therefore I need good reference books. If the book contains MATLAB implementation of DWT that will be more helpful.
1
vote
1answer
140 views
Introduction to fast algorithms for time–frequency analysis
I had preliminary knowledge of digital signal processing from Oppenheim's Discrete-Time Signal Processing and is studying time-frequency analysis now. May someone suggest introductory reference (...
0
votes
1answer
24 views
Are there paper about black box testing of optic flow algorithms?
Do papers exist about comparisons of the resulting optic flow and its precision compared to the used optic flow method?
I would like to find paper that dealt with this topic in some way and had ...
1
vote
1answer
81 views
Performance of adaptive filters
Can somebody please provide an intuitive answer or reference for the following questions?
Q1: Dependence of estimation performance on number of data points -- I could not find any information whether ...
0
votes
2answers
136 views
How can I start learning about pitch detection?
readers.
I'm working on a project where my goal is to implement a pitch-detection algorithm (PDA) in a piece of open-source software.
I have very little knowledge of pitch detection at the moment ...
1
vote
1answer
137 views
Spectral flatness or Wiener Entropy for AR(1) and AR(2)
I'm sudiying compressibility of random processes by using Spectral flatness aka Wiener Entropy
I would like to know if there is any reference which derives this quantity, for autoregressive ...
2
votes
3answers
353 views
Computer exercises and solutions in signal processing
I am very interested in this question and can literally not find anywhere a simple answer, so apologize in advance if it does not fit well this community.
I am looking for either an online resource ...
0
votes
0answers
115 views
DSB-SC demodulator in C
i need to implement in C an algorithm for DSB-SC demodulation.
Where can i find bibliography about such argument, using FFT , freq shifting, IFFT?
2
votes
0answers
85 views
Helmholtz decomposition implementation
I need to perform the Helmholtz decomposition of a 2D flow. An old and obvious problem is the numerical differentiation (largely amplifying the noise).
I do understand the procedure I am just ...
0
votes
2answers
501 views
Using k Nearest Neighbour & Dynamic Time Warping for keyword spotting
As stated in the title, I am currently researching a method using k-NN, specifically, as either an alternative or as a supplement to the DTW algorithm in keyword spotting based on MFCC. I have read ...
0
votes
1answer
32 views
Suggestions on how to use FIR model in sentence retrieval task
Estimating an impulse response from input-output measurements is called system identification. When the impulse response of the
linear system $h(n)$, is of finite duration (M samples) or can be
...
1
vote
0answers
66 views
Beam pattern for a linear array comprised of rectangular transducers
I am looking for the beam pattern of a linear array with uniform spacing, $d$, between $n$ elements.
I know for an array comprised of circular pistons it can be derived from
$$\frac{1}{n}\frac{\sin[...
1
vote
0answers
28 views
Books about signal processing with a biology or health basis
I've already seen this and this questions about books and references, but all of them are directed for someone who has a background in engineering or a related field.
Are there any good introduction ...
2
votes
1answer
47 views
Books on delay / lag compensation
Which books do you recommend that provide comprehensive overview of delay compensation techniques in control systems?
-1
votes
1answer
76 views
What is good resource for time delay estimation?
I am working on the ranging signal which is similar to the time delay estimation part for the signal processing, and I am looking for good sources which can help me to answer these question:
When you ...
0
votes
1answer
53 views
Which book of Proakis has dealt with continuous time signals and systems?
I have heard of three books of Proakis namely Communication System Engineering, Digital Signal Processing and Digital Communications. I love the way he writes and would like to read about continuous/...
0
votes
1answer
171 views
Shannon's entropy for non-equiprobable symbols
I am trying to understand the concept of Shannon's entropy and deciding the codelength. In first case, b is an array of 5 symbols. The symbol set is $\{1,2,...,8\}$....
14
votes
7answers
3k views
DSP or signal/image/data processing jokes
Some other StackExchange/StackOverflow sites are entertained with a certain level of humor or fun. What is your favorite “data analysis” cartoon? is particularly worth mentioning (IMHO) this xkcd ...
3
votes
1answer
171 views
Recommendation for good ressources on digital processing and D-QPSK
I've been a C++ developer for 10 years. Quite high level. And I am completely new to Digital Signal Processing.
I am trying to implement a Software Defined Radio. Specifically I am trying to receive ...
3
votes
1answer
243 views
Gaussian weighted distance between pixel amplitudes: motivations and sources?
In several image processing papers, and for instance in Random Walks for Image Segmentation (2006) by Leo Grady, changes in image intensities are turned into edge weights. This applies to graphs too, ...
1
vote
1answer
239 views
Recommended signal processing books? [duplicate]
I am learning about signals in school but I found it very hard. Can someone help me by giving some references about any books?
We are studying Fourier transform, signal power, filters, digital and ...
6
votes
2answers
269 views
Audio DSP HW Recommendation
I'm very new to DSP hardware, so I am taking it upon myself to learn it with regard to Audio and Acoustic Signal Processing. I've learned quite a bit of theory in a graduate DSP course, but absolutely ...
4
votes
1answer
161 views
Overlapping power-of-cosine windows with constant weight
I would like to refer you to a relevant question I posed on the Math StackExchange: A generalisation of the Pythagorean trigonometric identity.
As can be seen from the question and the answer, what ...
