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.
25
questions with no upvoted or accepted answers
3
votes
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 ...
3
votes
0answers
68 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 ...
2
votes
1answer
99 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 ...
2
votes
0answers
115 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 ...
1
vote
1answer
51 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 ...
1
vote
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 ...
1
vote
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 ...
1
vote
0answers
39 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 ...
1
vote
0answers
134 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
34 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 ...
1
vote
0answers
261 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 ...
1
vote
0answers
1k 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 ...
0
votes
1answer
18 views
Can I measure non-linearity of a line echo path
I'm dealing with an echo from a hybrid, and after using a linear echo-canceller the residual echo signal is still significant. I suspect that echo-path has non-linear components, but also it can be an ...
0
votes
0answers
42 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'...
0
votes
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 ...
0
votes
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 ...
0
votes
0answers
24 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 ...
0
votes
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!
0
votes
0answers
14 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 ...
0
votes
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 ...
0
votes
0answers
96 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 ...
0
votes
0answers
53 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
0answers
41 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 ...
0
votes
2answers
837 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
0answers
310 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 ...
