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.

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34 views

How to choose a fixed adaptation step for decision feedback equalizer

How do I choose $\mu$ - a value of a step size for adaptation in a decision feedback equalizer (DFE) with adaptive reference control (ARC)? For a regular adaptive FIR filter an adaptation step depends ...
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1answer
31 views

Can somebody explain SDF and MACE to me?

I can't find any information on SDF and MACE save for a vague exert in Kinser's Image Operators books. Therefore I am dumbfounded. I can't understand what they do and what's their role in composite ...
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2answers
58 views

Study materials for Decision feedback equalizer

Looking for books, course notes/slides, or some tutorials on decision feedback equalizers with in-depth details. I appreciate your help.
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1answer
43 views

What is this type of sensor called?

For real values $0\leq a <b$, I have a sensor from $\mathbb{R}$ to $\mathbb{R}$ given by \begin{equation} Rx=\begin{cases} b &\text{if}\;\;b<|x|\\ x &\text{if}\;\;a\leq |x|\leq b\\ 0 &...
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1answer
41 views

Computing Autocorrelation via FFT

I have seen several methods to calculate Autocorrelations using FFTs, and am confused about why they differ. Zero-Pad it to double its original length.Take the FFT. Then replace all the coefficients ...
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0answers
14 views

Estimate IR's from single channel speech audio

I have a dataset of single-channel audios containing speech, recorded in a single room. I need to extract the room IR's. The goal is to simulate the room acoustics and adjust new speech audios ...
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1answer
48 views

Algorithms to fix audio feedback loop

I'm a student and I have been assigned to make a presenation on algorithms to prevent audio feedback loop (microphone feedback, that issue when you hear the voice echoed multiple times). I looked ...
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1answer
98 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 ...
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2answers
814 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 ...
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1answer
186 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 ...
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9answers
5k 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 ...
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1answer
77 views

Study resource for Digital communication

I am in my 5th semester of computer science and we have a digital communication course. All the textbooks of digital comm. available in my library demand a prerequisite of Circuit analysis and Signals ...
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2answers
243 views

Resources for learning about filters from scratch?

Topic of filters is very important in signal processing So i want to learn about filters from scratch and then eventually reaching FIR and IIR filters I have some idea about low pass,high pass,band ...
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1answer
43 views

simulator for dsp kit tms320c6713?without using actual hardware kit tms320c6713?

As you know, most universities across the globe are closed due to pandemic and people are unable to acess research facilites ,so in such a scenario one wants to improve his dsp hardware programming ...
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3answers
52 views

Books for learning signals and systems? [duplicate]

Please recommend books for learning/studying signals and systems I know about oppenhiem,please write about other books that are easy to understand
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0answers
22 views

Sonar parameters required for underwater objects shadow formation

I am doing some research on classification of underwater objects using high-frequency sonar. Can anyone kindly guide me what the essential parameters of sonar are resulting in prominent shadow ...
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1answer
702 views

Where did Arnold Tustin first introduce the bilinear transform?

It's well known that the bilinear transform is also known as Tustin's Method. As far as I know, Arnold Tustin really did introduce the idea into the control systems literature, so the name isn't just ...
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1answer
1k 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 ...
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0answers
24 views

What is the best technique for underwater imaging?

I am currently researching what the best method to take underwater images/video is. The papers I have read go into several different methods: Lidar, Synthetic Aperture Sonar (SAS), optical camera plus ...
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3answers
441 views

Audio signal processing book suggestions

I want to start learning about audio signal processing but I cannot find a good starting point. Please suggest books or lecture series.
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1answer
33 views

Image processing books Gonzalez et al. vs Sonka et al?

I don't know where else to post this question so here it goes. I'm trying to buy a DIP book and the best two right now are: Image Processing, Analysis, and Machine Vision by Roger Boyle, Milan Sonka, ...
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0answers
23 views

Channel coding simulation

I’m new to channel coding, and I’m trying to learn about channel coding in general, and iterative turbo coding in particular. I was trying to play with some simulink examples while reading to get a ...
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2answers
57 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 ...
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1answer
37 views

Book request for Z-Transform

I am at the moment self studying Z-Transform. I need some references on this subject with some applications ( electrical circuits or else). What are good references on this subject. Thanks in advance.
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1answer
67 views

What is the forward error correction in 802.11a?

I am trying to put together a baseband-equivalent simulation of 802.11a signals, which according to Wikipedia has a variable encoding (PSK, QAM, etc.) that have differing coding rates (1/2, 2/3, 3/4) ...
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1answer
51 views

Shazam / SoundHound Music Analysis - Recommendation for Reading

I need to explore some area around music frequency analysis. A good example is the way Shazam / SoundHound app works (mapping frequency domain, comparing, creating some vector map, handling noises and ...
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1answer
716 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. In some fields, it is called ...
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1answer
43 views

Notes or books to quickly get started on the basics of signal processing or wireless communication

I'll soon start working in signal processing, specially wireless communication systems. Hence I'd like to get a quick understanding of MIMO and related systems, for example, the topics like: 1) where ...
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1answer
204 views

Transfer function and deconvolution

Forewords This question is about methodology references and numerical application. I am posting on Signal Processing because I think this question belong to this place. I am new to the stack, feel ...
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0answers
33 views

Learning PSK Modulation and Demodulation - Good Text to Read?

Title sums it up. I am curious to see what you all suggest. I'm a newbie and just need some beginner/intermediate material. Thanks!
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1answer
49 views

Advantages of the Rotation Translation Operation Before Doing FT Smoothing

I was reading a relatively old paper from the 1970s on smoothing by FT methods (chemistry applications), where the authors show that if we do rotation translation operation on the signal (y- values) ...
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2answers
573 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 ...
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1answer
37 views

Can anybody recommend a good source for material of Gaussian and Complex Gaussian wavelet? [closed]

Can anybody recommend a good source for material of Gaussian and Complex Gaussian wavelet? Please share the link if possible.
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2answers
80 views

Digital Image Processing Textbook with Specific Topics

I am looking for a Digital Image Processing and analysis textbook, but there are specific topics that I would like the book to cover. Among other topics, I would like it to include a discussion of: (...
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1answer
34 views

Need some references on sound quality evaluation and syncing

I have to do a project where I'm receiving the same sound signal from different channels (with different offsets), but they may not be consistent all the time. At any given time, I should decide which ...
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1answer
31 views

Find the ber for the cdma protocol

Do you know a reference (book, article) which gives (with a proof) the theoretical BER in the CDMA protocol for a differential modulation?
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4answers
2k views

Books/resources for implementing various mathematical functions in fixed point arithmetic for DSP purposes

I'm looking for books or resources that cover the following in detail: implementing mathematical functions (e.g., logarithm, exponential, sine, cosine, inverse) in fixed point arithmetic for DSP ...
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0answers
13 views

Worst-case error bounds for PLL

I am working on a project that involves time synchronization and we want to derive worst case bounds for the accuracy of the current time given measurements with known error as input. Unfortunately ...
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0answers
92 views

The origin of the restricted isometry property (RIP)

I have been looking for the origin of the restricted isometry property (RIP). Many papers cite the origin of the RIP in the following paper Emmanuel Candès, Terence Tao, Decoding by Linear ...
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2answers
127 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 ...
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2answers
776 views

Best “Advanced DSP” book

Let's suppose I have finished studying the first college level DSP textbook and I'm looking for a book, that is the next step beyond: "Digital Signal Processing: Alan V. Oppenheim" What's the best ...
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0answers
28 views

Resources for learning Sound Processing [closed]

Does anyone know of any resources that explain simply, these are the data objects and variable definitions involved when doing sound processing? I took a class on image processing where we learned ...
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0answers
67 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 ...
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0answers
51 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 ...
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2answers
242 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 ...
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4answers
3k 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 . FFT. Low-pass and high-pass filters. Auto-correlation. Noise processing. And ...
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1answer
366 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 ...
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2answers
202 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 ...
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5answers
6k 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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13answers
21k views

What Resources Are Recommended for an Introduction to Signal Processing (DSP)?

What are some recommended resources (books, tutorials, lectures, etc.) on digital signal processing, and how to begin working with it on a technical level?