Signal Processing

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Questions related to Signal Processing

Which SAR dataset to use for generating coherency matrix and performing target decomposition (Description) ?

Working on chandrayaan-2 DFSAR data, there are three datasets available: 1) Slant range image data product: The slant range complex image file. Each pixel is represented by two 4-byte floating...

03 March 2021 9,185 3 View

How to calculate cross correlation of two signals from the same source one of which is going through a filter ?

A signal is split into two parts and one of them is going through a filter (say, with a transfer function H(f)) and the other part stays unchanged. Then I want to know how to calculate their cross...

02 February 2021 5,353 8 View

How can I load the eeg data ?

Dear Community , I want to load my dataset from physionet Sleep edf , and try to separate the list of signals than the list of labels so I can apply the feature extraction , I used MNE python ,...

15 November 2020 8,358 5 View

What are the current research areas for communications and signal processing?

I am looking for some current specific projects in this field "communications and signal processing" !

28 October 2020 640 6 View

Have spin-based devices found any appilcation in medical science?

Spin-based devices such as magnonic chips, spin-torque oscillators mostly find their application in signal processing, computing, etc. Is there any research work focusing on developing magnonic...

18 October 2020 3,707 1 View

What are the methods used for distinguishing between signal and noise, when we have some real signal?

Suppose we have a signal (which is the combination of both narrowband and broadband) and i want to find out the signal and noise component in that signal. How do i achieve that, i mean for what...

16 October 2020 5,819 1 View

Can anyone suggest a book regarding Power Quality Disturbances Classification Using Signal Processing Techniques?

Power Quality Disturbances with Synthetic Data Classification using specially wavelet transform signal processing Techniques in MATLAB

05 August 2020 4,255 3 View

How to read pulsar raw data file which is in .dat format ?

I am currently working on pulsar observation, but i am facing difficulty reading pulsar raw data file which is in .dat format, I want to read the header information of the data file and then want...

02 August 2020 9,494 2 View

How do I detect the onset of each period of a noisy periodic signal (MATLAB preferred)?

I have a noisy periodic signal, like the attached picture, is there a way to extract the time of each onset of each period (shown by red arrows)? MATLAB preferred other programming languages also...

17 July 2020 6,254 8 View

Finding Hidden Defect in ceramic sample in matlab?

I am dealing with ' Optimal signal processing of frequency-stepped CW radar data' from the website of Optimal Signal Processing of Frequency-Stepped CW Radar Data I want to find the hidden...

28 May 2020 1,395 12 View

What are some real-time noise reduction signal processing algorithms?

What are some famous real-time noise reduction algorithm used in signal processing to reduce non-stationary noise (something like radiated noise)? Can oversampling be an advantage in using such...

26 May 2020 7,006 8 View

Why do I get positive and negative interleaved signals when performing DC on single cells based on the Coulter principle ?

Figure 1 is my single-cell flow resistance detection system based on the Coulter principle. The data acquisition card output 1v DC to one electrode (Ag) of the chip, and the response current is...

19 May 2020 7,387 7 View

Can we find the force of the collision by analyzing the sound of the collision ?

I'm curious to know if one can find the force of the collision by analyzing the audio or extracting features from the audio signal that estimates the force.

15 May 2020 4,223 3 View

How does noise affect the detection of peak in a signal?

Imagine I have an ideal signal, V, and a noise, W, so that my observed signal is S = V + W. I observe a peak in the range of my measurement, which is associated with a peak in the ideal signal,...

25 April 2020 5,045 3 View

What exact steps in signals processing do you use to condition a surface EMG to determine classification characteristics?

Sorry but it may seem like an obvious question because I am new to EMG analysis but I have been reading many papers on how various research groups clean, filter, segment, and classify muscle...

17 April 2020 4,431 1 View

I want an open source FDTD for SAR signal correction due to propagation in ionosphere?

SAR signal processing software or matlab code for SAR signal processing specially for SAR signal corrections due to propagation in ionosphere

27 March 2020 6,090 3 View

Signal Processing of EEG/ECG etc data from Excel format to electrical signal or in bit sequence?

Hello All. I am working on a project where I am trying to replace pseudo-random bit sequence with actual data of EEG or ECG which is available in RAW form (Excel Sheet) on the web. Kindly suggest...

03 March 2020 6,628 3 View

What are must-know skills and formulas in statistics and signal processing for SHM?

Hi all! I am wondering on what would you consider to be the 10 most essential formulas in statistics and 10 in signal processing necessary for statistical pattern recognition and structural health...

18 February 2020 8,326 3 View

What are the advantages of high order low-pass filters over 1st order low-pass filters?

hi everybody I'm looking for some highly reputable/cited references on high order low-pass filters which discuss different advantages and benefits of high order low-pass filters over 1st order...

08 February 2020 7,876 11 View

Why does my EPOC+ Raw data have a lot of spikes ?

I'm working on a little project to measure Emotions with different Methods (K-NN, DNN, NN, Random Forest ...) At the moment I have two data sets, with one of them I train the different methods...

06 February 2020 8,095 2 View

Formula/expression for finding/generating noise signal from gauss distribution?

Let say i want to write a program/script on MATLAB, and condition is that MATLAB code should generate a noise signal from gauss distribution of mean "11" and variance="18". But i am confused...

01 February 2020 2,859 3 View

Which combining technique (MRC or SC) is better for Cooperative communication with Non-orthogonal multiple access technique?

I am using maximum ratio combing and selection combing techniques for C-NOMA. I want to compare the results for both techniques and also suggest me any other alternative combing techniques which...

28 January 2020 7,794 10 View

Image processing vs signal processing?

How we can differentiate between image processing & signal processing? Especially contents wise and how they are treated from MATLAB perspective?

28 January 2020 6,049 9 View

What is the best python library for creating EEG recording signal GUI?

I want to create a GUI software for recording EEG signals and this software should be connect to device recorder by bluetooth. What is the best library or tools to do this?

13 January 2020 8,972 3 View

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