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

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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1answer
39 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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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
54 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 ...
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1answer
59 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/...
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1answer
45 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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1answer
32 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 ...
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1answer
54 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
50 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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1answer
35 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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1answer
34 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 ...
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1answer
91 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 ...
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1answer
440 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 ...
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1answer
25 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 ...
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1answer
62 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 ...
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1answer
256 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 $\{1,2,...,8\}$....
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1answer
164 views

Help in analytical expression of BER for M-QAM [duplicate]

I am new in learning deriving BER expression. I am familiar for the case of BPSK in AWGN but cannot understand how the BER expression in Eq(12) in this paper, An Enhanced Spectral Efficiency Chaos-...
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1answer
78 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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3answers
310 views

Complex analysis book recommendation for electrical. eng

I need recommendation about complex analysis book. As I'm electrical engineering student, it should cover everything one engineer need to know about that mathematical field, but without strict ...
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1answer
35 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 ...
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1answer
485 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 ...
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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'...
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1answer
49 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 ...
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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
46 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
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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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 ...
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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
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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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 ...
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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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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 ...
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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 ...
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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 ...
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1answer
153 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.
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2answers
838 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
194 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=-...
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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 ...
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1answer
89 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 ...
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2answers
418 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 – ...
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2answers
132 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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