Signal

memory

How Can I Inverse A Signal?

30 Jul 2015 by Kenneth Haugland

You seem to lack some knowledge on DSP (Digital Signal Prepossessing) so I would suggest you start reading some books or online material to gain some background information on what you are working with here.Normally we take the Hamming[^], Blackman or some other window function to filter...

MatLab

Input Data to ECG Signal with C#

4 Oct 2013 by Member 10042810

I want to do it in c#.net and this file get export to web

ECG

Knowing the FIlter Characteristics

12 Oct 2013 by loraloper_22

HelloI have a question say you are hardware details about word length guard bits etc. Is it possile to guess about the architecture more precise question is below.The FIR filter is implemented using a TMS320VC5510 DSP processor. The processor wordlength is 16 bits and it has a 40 bit...

Knowing the FIlter Characteristics

12 Oct 2013 by OriginalGriff

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.Try it yourself, you may find it...

How to generate a specific signal in MATLAB

16 Dec 2013 by Albert Holguin

Your question is too general... there's a huge number of signals that would fit into that spectral mask. Post more specific questions once you get started.So far what you know (from the picture): 0. Signal must be centered at 21MHz (common IF frequency) 1. 3dB bandwidth must be...

Problems with PyQT SIGNAL

8 Apr 2014 by Marko Poje

I have problems with runing following program. I want that when i press push button it start function. but function start before i press the button. here is my codegui.pyfrom PySide.QtCore import *from PySide.QtGui import *import sysimport showGuiimport timeclass...

GUI

Thread blocked waiting for a signal

19 Apr 2014 by Mr.HA-AS

In my application, I try to catch a specific signal which is SIGUSR1, I wrote the below code to do this issue, in which the application will create a thread for "init_signal_catcher".The problem is when I run the code ,the program goes to sleep forever and does not respond to any signal even...

threads

25 Apr 2014 by Ankit_Sharma1987

I am using chat plugin , and initiating a chat, the ajax post which i am using is working on mozilla and other browsers but not working on IE8/IE9. According to cross domain issue i have used "dataType: Jsonp" also but it's not working.Error: SCRIPT5007: Unable to get value of the property...

Problems with PyQT SIGNAL

12 Jun 2014 by Alexander Gorin

I suppose, It is no longer actual for the author, but for next generations:Your function starts before you press the button because you call it explicitly:self.connect(self.showButton, SIGNAL( 'clicked()' ), self.processData())Probably, you wanted to...

GUI

signalR using javascript message not Append

3 Sep 2014 by Soundararajan O M

signalR using javascript message not Append

28 Aug 2014 by Suvabrata Roy

Hi,You are sending a blank message so your are getting a blank message.// Your Code$('#msg').val('')Should be $('#msg').val()

Add Gaussian Noise to Signal In C++

26 Sep 2014 by mrinal bisht

I have an array of vaules in A [ ], i need to add gaussian noise to it .I am using this function for gaussian noise generation .double AWGN_generator(){ /* Generates additive white Gaussian Noise samples with zero mean and a standard deviation of 1. */ double temp1_d; double...

C++

processing

Compute PSNR of a video sequence

16 Oct 2014 by loraloper_22

Hi I am trying to compute PSNR(peak signal to noise ratio) of a video sequence, I have ref and noisy sequence. I know i can compute it for a frame using an inbuilt matlab function PSNR. Where i ama bit confuse is that how one would compute psnr of a video. Will the PSNR of a video be average of...

image-processing

MatLab

Program receives SIGTRAP while freeing

1 Dec 2014 by sid2x

Hello,I've tried to create a stack-like implementation in C, (basically storing integers to a buffer in a "stackish" way), however I've been experiencing some problems with my implementation --- specifically on Windows systems.// In Header file.....typedef struct __stack { ...

Windows

memory

31 Jan 2015 by Member 11417585

jQuery(document).ready(function(){//hi});

Determine Excelent or Poor signal strength in gsmcomm

5 Aug 2015 by Dave Kreskowiak

It's amazing what a little Googling will find: http://m2msupport.net/m2msupport/atcsq-signal-quality/[^]

C#4.0

SMS

10 Aug 2015 by livinkalai

This cause because of bug in jQuery particular version. if you dont want to change the jQuery version,you can simply add this line in your code $.support.cors = true;or3.you can add jquery migrate js file to resolve this. http://code.jquery.com/jquery-migrate-1.2.1.js

[Linux]how to know who send a SIGTERM signal to a process

28 Jun 2016 by LubinLew

A process receive a SIGTERM signal, I want to know who send it.What I have tried:It seems impossible in User Space. I know a little about kernel, and I can compile it.How to add log in kernel or A method can solve my question.

[Linux]how to know who send a SIGTERM signal to a process

28 Jun 2016 by LubinLew

a similar question solve this queistionHow can I tell in Linux which process sent my process a signal - Stack Overflow[^]

Linux - how to find who send the sigterm signal to my process

6 Jul 2016 by LubinLew

my process receive a SIGTERM signal, I used the API sigaction to get the sender.But the sender is not exist in the system(after I got its pid).It seems the sender exit after sending the signal.I want to know who is the sender, why it send a SIGTERM to me.What I have tried:The process...

Linux - how to find who send the sigterm signal to my process

6 Jul 2016 by Jochen Arndt

If a process has been terminated the PID is removed from the process table and you won't be able to get any informartion about the process.If you want to investigate which process is killing yours, you can use a process monitoring tool that logs all processes that are started and stopped...

How to Collect Analog Signal Through ADC Module

9 Sep 2019 by Haily Swift

This article shows how to collect analog signal through the ADC module.

microcontroller

Explain the statistical feature

29 Jan 2020 by OriginalGriff

We are more than willing to help those that are stuck: but that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for us to do it all for you. So we need you to do the...

Explain the statistical feature

29 Jan 2020 by OriginalGriff

Repost: deleted. Posting the same lack of a question repeatedly wastes the time and effort of volunteers, and that's rude. And doesn't change the solution.

statistics

MEAN

Draw the STFT of a signal with Python

9 Jan 2022 by Florentin lemarchand

I am new to python, and I would like to know how to draw the STFT of a signal with the following program: import numpy as np import scipy.signal as sg import matplotlib.pyplot as plt from scipy import fftpack def _stft(signal, sfreq, fmax): ...

Draw the STFT of a signal with Python

9 Jan 2022 by Richard MacCutchan

See scipy.signal.stft — SciPy v1.7.1 Manual[^].

Robust C++: Safety Net

27 Jun 2022 by Greg Utas

Keeping a program running when it would otherwise abort

Continuous Wavelet Transforms, a Java Implementation

7 Mar 2015 by Mark H Bishop

This article presents a Java example application that performs continuous wavelet transforms.

Determine Excelent or Poor signal strength in gsmcomm

5 Aug 2015 by aminvincent

i have this code and it ran well...SignalQualityInfo info = CommSetting.comm.GetSignalQuality();lblSignal.Text = info.SignalStrength.ToString(); //show resultlblSignal showed me values of Signal Strength = 20 .Does that value indicate that i got the excelent or Poor signal?

C#4.0

SMS

How to generate a specific signal in MATLAB

14 Dec 2013 by loraloper_22

HELLOTo begin with i ma not a programmer. My question is how can you generate a specific signal in matlab that satisfies the given constraints(Please see the link). So far i am not been able to find the syntax.https://www.dropbox.com/s/roruu8dksc9i9t5/WP_20131214_002.jpgThanks...

How Can I Inverse A Signal?

30 Jul 2015 by Sa.Mo

Hi allI want to run my code that is about Speech Enhancement Based on Deep Neural Networks and our steps are1-framing signal * hamming window 2-log-power spectral frame 3-Deep learning 4-inverse output to signalSo my problem is inversing can not return true answer my code ...

MatLab

29 Jul 2014 by Dileep Ashok

Hi,I guess you missed 1 semi colon at the last of curly brace of jquery.$("body").on("click", "#btnChat", function () { $.ajax({ url: path + "case/SubmitChatRequest", data: $("#frmRequestSubmit").serialize(), type:...

Input Data to ECG Signal with C#

4 Oct 2013 by Member 10042810

How to set value ECG signal width C#.Net?I want to get data rate ECG.Thanks.

ECG

17 Mar 2015 by livinkalai

Please change your Jquery version.I also faced the same problem in IE9 when I use jquery.js version 1.10.when try it with version 1.8 the problem was solved.

Is there a datafollow ptojerct for qt?

25 Feb 2016 by stackprogramer

hi,for my work,i should programming a dataflow programming project.my question is there for Qt a framework dataflow programming that is easy .too i can fast develop it?i need a framework that their code is clear,not our team should decode it?What I have tried:i too saw :good...