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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What are some good questions for a graduate level signal processing course?

I am currently taking an graduate-level Advanced Signal Processing class and I have a midterm soon. However, the midterm is not only open-book but it is also open-internet and untimed. Now I have no ...
Sherlock Rozman's user avatar
2 votes
0 answers
46 views

Decoding images from sounds in Voyager golden records

I'm interested in a side learning project in decoding the images recorded as sounds in Voyager's golden discs (https://voyager.jpl.nasa.gov/golden-record/). The instructions to be able to decode these ...
rluque's user avatar
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1 vote
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No prior research? What am I not understanding? Using deep learning to enhance videos by predicting the best filters or histogram transforms to apply

I would like to make a large set of videos more visually pleasing by adjusting colors, saturation, contrast, etc. However, the techniques that I can find online roughly fall into these two categories: ...
elgehelge's user avatar
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0 votes
1 answer
62 views

Pulse amplitude modulation

I am reading from the internet and my professor's course on PAM. This course is not well-organized, and I would like to ask for book recommendations. I know that this modulation is divided into two ...
Mouh Kramo's user avatar
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1 answer
63 views

What books describe convolutional neural networks for DSP?

(note: I read the site policy and meta questions about whether such a question is ok. I will be specific) I am looking for books that specifically cover using convolutional neural networks (CNN) for ...
HonestMath's user avatar
1 vote
2 answers
178 views

Looking for books

As a math student interested in signal processing, particularly with wavelets, I am seeking recommendations for introductory books on the topic. My current knowledge is limited to Fourier transforms ...
BaDWerewolf's user avatar
3 votes
3 answers
245 views

Resource recommendations to learn audio processing

I'm looking for some good resources to learn audio processing for a machine learning task based on classification of users as either 'COVID-19 positive' or 'COVID-19 negative' based on their cough ...
Anonymous's user avatar
3 votes
3 answers
275 views

Wavelet Coefficients Algorithm for Haar System

In my DSP class a few lectures ago my professor shared a basic algorithm with us for computing wavelet coefficients when the wavelet basis belong to the Haar system. He also shared a circuit with us ...
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2 votes
2 answers
59 views

Unit impulse added to non-zero interval of a function - graphical representation?

Followup to this question, let the ramp be $r_0(t)$. We seek to plot $x(t) = r_0(t) + \delta(t + 1)$. Should it be as in left, right, or neither? Is there a convention? Note, in either case we could ...
OverLordGoldDragon's user avatar
0 votes
0 answers
146 views

Derivation of the 4 types of real-valued linear-phase FIR filters

Is there any resource or literature where I can find derivations/proofs for all four linear phase filter types starting from an arbitrary real valued impulse response? I looked at some of the ...
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5 votes
1 answer
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Academic reference for a specific type of regularized inverse filtering

Let $y(t) = (h * x)(t) + n(t)$ be some observed signal where $h(t)$ is some filter / impulse response, $x(t)$ is some input signal we are interested in, and $n(t)$ is noise. In order to recover $x$ ...
XYZT's user avatar
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Global gain and frame gain in audio and speech processing

I'm wondering if there is a standard definition for global gain and frame gain in audio and speech processing. I found these terms together with an imprecise definition in a text about bandwidth ...
JosefMaier93's user avatar
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32 views

Finding keywords for my time series task

So I currently have a time series signals which I need to classify each point on each signal. Points are taken as follow: For a given timestamp. Make a measure Each meassure can randomly come from a ...
Agustin Barrachina's user avatar
0 votes
1 answer
84 views

Learning transceiver algorithms

I want to learn basic transceiver algorithms. I already have a good grasp of the mathematics and statistics involved, so I am primarily interested in algorithms. Any books or site recommendations, so ...
QAM's user avatar
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2 votes
1 answer
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Synthesizing piano

The sound of the piano is something very complex. There are various elements to consider such as action, hammer, soundboard, sympathetic resonance, tuning age and even room reverb. Some companies (...
Alessandro Costantino's user avatar
5 votes
1 answer
149 views

Bibliographic References on Denoising Distributed Acoustic data with Deep Learning

Distributed Acoustic Sensing (DAS) I have an iDAS (intelligent distributed acoustic sensing) dataset obtain from an undersea optical fibre. iDAS data have a 2D dimensional representation. On the one ...
ChrisNick92's user avatar
1 vote
0 answers
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Properties of pseudorandom ternary sequences

For pseudo-random binary sequences, we know there are various properties: Autocorrelation, balance, Fibonacci vs Galois modes. These are all well-known. However, for pseudo-random ternary sequences, I ...
user14717's user avatar
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2 votes
1 answer
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Compact books for reviewing signal processing

I am about to start a new engineering job in the fields of signal processing and machine learning. I have a bachelor's degree in electrical engineering, but for the last two years I have been doing a ...
ummg's user avatar
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Textbooks which derive largest usable rate for standard LMS filter?

Suppose $x$ is sampled from standard 0-centered Gaussian in d-dimensions, and I apply the following iteration. $$w \leftarrow w-\alpha x \langle w, x \rangle \tag 1$$ What is largest $\alpha$ such ...
Yaroslav Bulatov's user avatar
3 votes
1 answer
202 views

Crash course on Sonar

I have some experience in Signal processing and a lot more in solving numerically the electromagnetic field integral equations using Matlab and C++. Now I am curious about the Sonar (e.g., underwater) ...
jomegaA's user avatar
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1 answer
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Reference for Wiener-Kolmogorov whitening procedure

In an old paper, accessible only for a fee, I found: (where the LHS of Eq (5) lack the symbol of derivative). What is the Wiener-Kolmogorov whitening procedure? I would like to study this procedure, ...
Mark's user avatar
  • 369
2 votes
1 answer
38 views

Where to start in Nonlinear System Identification

Now that I have accomplished learning and applying various linear system identification techniques to simulated data sets. I am looking now to dig deeper into the world of system identification by ...
SPARSE's user avatar
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4 votes
1 answer
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STM32F7 Discovery board vs dsp kit tms320c6713 vs Rasberry Pi?

We want to design dsp kit Labs for our undergraduate students for following tasks/topics. 1)Sampling and Quantization of real time Audio Signals on DSP Kit ; analyze the effect of Aliasing and ...
jojo's user avatar
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1 answer
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Do you recommend a textbook on channel estimation of narrowband communications?

I would like to learn the channel estimation of narrowband communications (i.e., not OFDM). Do you recommend a textbook (chapter from a textbook) on this subject?
Noor's user avatar
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-1 votes
1 answer
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Comparing two acceleration profiles

Background I am analyzing robot manipulator trajectories generated by different methods. One quality that I am interested in is how "smooth" the tool point moves along those trajectories. ...
Petch Puttichai's user avatar
1 vote
0 answers
51 views

1D Interpolating subdivision for wavelet lifting schemes

I am looking into wavelet lifting methods first introduced by Swelden, and explained in this paper: Build your own wavelets at home. In this paper (in chapter 2 specifically), they discuss ...
user109527's user avatar
1 vote
2 answers
151 views

Frequency Sampling Filters (FSFs) NOT the Frequency Sampling Method

A class of digital filters called Frequency Sampling Filters (FSF) has been mentioned in a side note by Richard Lyons in another related question comparing IIR digital filter design using mapping ...
Dan Boschen's user avatar
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Resource related to real world measurment vs simulated data for RACH LTE

I am trying to find resources where I can study the comparison of the various features of the Random access channel in LTE using simulated and real-world measurement data. It would be great if you can ...
Aragorn's user avatar
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1 answer
605 views

NR PUSCH non-codebook based precoding

While reading 3gpp 38.211, Chapter 6.3.1.5 I noticed For non-codebook-based transmission, the precoding matrix equals the identity matrix. So, I guess, non-codebook-based precoding shall be ...
Dmitriy's user avatar
0 votes
1 answer
56 views

References of deep learning and ai for dsp researchers [closed]

Are there excellent references for machine learning, deep learning and ai for DSP researchers?
Turbo's user avatar
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3 votes
0 answers
212 views

Running window design for irregular or nonuniform time series

I have to deal with multiple time series $X_n$ that are non-uniformly or irregularly sampled at increasing times $\Theta=\{t_k\}_{k\in \mathbb{Z}}$ ($ t_k<t_{k+1}$). In case this could help, this ...
Laurent Duval's user avatar
1 vote
1 answer
57 views

Help with literature pointers for improving estimation of underlying mean for signal with periodic noise

I am in the starting phase of a master thesis and are having some trouble finding a good starting point in the literature for my thesis. The aim of my thesis is to provide as good of an estimate as ...
PerHM's user avatar
  • 11
1 vote
0 answers
40 views

Dynamic sampling of thermal images

My master’s dissertation subject is to analyze and implement an algorithm that would sample (store) thermal images from camera with different frequency rates to optimize database size and processing ...
Andre's user avatar
  • 11
6 votes
2 answers
240 views

I cannot find reference (paper) of this relation $u(t)t^{α} ↔^{FT} f^{-(α+1)}$

I am struggling a lot in finding the reference (book or, even better, academic paper) that states that: $u(t)$ $t^{α} ↔^{FT} f^{-(α+1)}$ as I found here An Interesting Fourier Transform - 1/f ...
user avatar
0 votes
2 answers
225 views

Estimating sampling frequency offset

I am searching a paper or article on this subject. I have heard of a function that estimates the sampling frequency offset between nominal and actual (sample rate of samples) sampling frequency and ...
Sam's user avatar
  • 1
-1 votes
1 answer
160 views

Pointers for digital FM synthesis

I am working on a digital synthesis project, in python and c currently. I have made a Sine and Saw wave generator and have now been working on FM between the two wave types. I have successfully made ...
fredyeah's user avatar
5 votes
1 answer
392 views

What are some promising areas of research in digital signal processing?

I intend to pursue a PhD program in digital signal processing (DSP). However, it seems nowadays that research has saturated in DSP and it's all about machine learning and deep learning. Are there are ...
mhdadk's user avatar
  • 350
0 votes
1 answer
123 views

Can I measure non-linearity of a line echo path?

I'm dealing with an echo signal from a hybrid. An echo path includes DAC, the hybrid, ADC and the line infrastructure. I can see, that after using a digital linear echo-canceller the residual echo ...
megasplash's user avatar
0 votes
0 answers
48 views

Is there a repository for source separation test images e.g. the star-galaxy images?

I'm having trouble finding standard images used for testing source-separation algorithms in image processing. For instance, a common example I see is the "star-galaxy" images. Most papers I'...
Zim's user avatar
  • 153
0 votes
1 answer
65 views

Is there any modern information about a 12-hour periodicity in sonar noise?

I have a copy of Principles of underwater sound by Urick, 3rd edition. In the chapter on The noise background of the sea: ambient noise level, on pages 215/216, it says "The analysis of data in ...
Dan Pollard's user avatar
1 vote
1 answer
66 views

Where do you recommend getting "standard" images for testing algorithms?

I've noticed that there are a LOT of websites which claim to have a standardized repository of images (for image processing algorithms). However, I don't know which ones are actually trusted by the ...
Zim's user avatar
  • 153
1 vote
1 answer
167 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 ...
megasplash's user avatar
0 votes
2 answers
441 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.
dsp_guy2020's user avatar
1 vote
0 answers
70 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 ...
JAV's user avatar
  • 111
1 vote
1 answer
875 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 ...
Tom Huntington's user avatar
0 votes
1 answer
235 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 ...
Alex's user avatar
  • 3
2 votes
2 answers
577 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 ...
DSP_CS's user avatar
  • 1,910
1 vote
1 answer
368 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 ...
DSP_CS's user avatar
  • 1,910
0 votes
3 answers
494 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
DSP_CS's user avatar
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1 vote
0 answers
47 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 ...
Jake's user avatar
  • 336