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Ajay Kumar


San Jose State University

Actif depuis 2011

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Professional Interests: Digital Signal Processing

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

plus de 8 ans il y a

Question


Accessing an mxarray when using codeGen to convert Matlab DLL to mex
Hello! I have a *.DLL that performs some data modification on a vector: calllib( 'DLL64', 'CPP', pX, pY) Where pX a...

presque 9 ans il y a | 1 réponse | 0

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Access Violation when using system() command. No issues when running from command line directly.
Hello, I am running a r2015b version of Matlab. I have a simulation that uses the MCR (version 8.5). In order to enable this,...

environ 9 ans il y a | 1 réponse | 0

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Question


Cell to String
Hi, I am trying to concatenate a two strings in the below code: baseDIR = 'C\Documents and Settings\User\Desktop\'; t...

presque 13 ans il y a | 1 réponse | 0

1

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Question


Matrix with strings of different sizes
Hello, I would like to know if there is anyway of making this work: tstFeats = ['NB_ACQ'; 'AEC'] I Basically need to ha...

presque 13 ans il y a | 1 réponse | 1

1

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Question


Matlab is unable to detect the sampling frequency of Audio Interface
I have an ASIO audio interface. It is running at 48000Hz. When I check rate using playrec('getDevices'), I see the default sampl...

environ 13 ans il y a | 1 réponse | 0

1

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Question


What is the best way of Audio analysis?
I was intending to validate a system that acts as a switch. It has 10 inputs and 10 outputs. I am playing a 3 sec speech file to...

environ 13 ans il y a | 1 réponse | 0

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Question


Use 'MME' and 'ASIO'
Can I use both MME and ASIO for recording in the same call for example playrec or pa_wavplayrecord.

environ 13 ans il y a | 1 réponse | 0

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Réponse apportée
Best filter
It depends on what frequencies you want to get rid off. View the FFT of the signal. Find out where you have the noise. Eas...

environ 13 ans il y a | 1

| A accepté

Réponse apportée
speech and cough deduction
This is more complicated then you think it is. However, the easiest solution is to find the FFT of the signal and see the power...

environ 13 ans il y a | 0

Question


How to use multiple diaries in Matlab
How do I have two diaries in matlab for example: >> diary a.txt >> disp('1') 1 >> disp('2') 2 >> diary b.txt >> dis...

plus de 13 ans il y a | 1 réponse | 0

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Réponse apportée
Solve Sequence to find next six numbers
The next six numbers are 2 3 0 3 2 3 Now the starting point element/vector is A = [0 1 2 1 0 1 0 3 0 1 ...

plus de 13 ans il y a | 0

| A accepté

Question


Solve Sequence to find next six numbers
I have a sequence to solve and get the next six numbers. I have all the stats for the data like 1st difference, second differenc...

plus de 13 ans il y a | 2 réponses | 0

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Drawing something simple with MATLAB
Try the above. It should work. This is the simplest if you are just trying to display characters

plus de 13 ans il y a | 0

Réponse apportée
Drawing something simple with MATLAB
disp(' ') disp('X...X') disp('.X.X.') disp('..X..') disp('.X.X.') disp('X...X') disp(' ')

plus de 13 ans il y a | 0

Réponse apportée
Problem with function
Matlab would not return the value of X if you do the following: 50=R*cos^2((pi*X)/I) You can probably try: %Assign valu...

plus de 13 ans il y a | 0

Réponse apportée
plotting very small values
You can probably try scaling the values by multiplying it with a constant. No you would end up having the same kind of behavior ...

plus de 13 ans il y a | 0

Réponse apportée
motion detection using matlab in image processing
The most basic motion detection you can do is use a bright colored object to detect. For example if you use green ball, you can ...

plus de 13 ans il y a | 0

Question


How to edit default Audio playback and Recording devices in Matlab
If I perform a getdevinfo on Matlab, I see a bunch of audio devices. I am using a 10 input, 14 output audio interface. Now the w...

plus de 13 ans il y a | 2 réponses | 0

2

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Question


MOTU UltraLite MK3 ASIO problem in MATLAB
I have been using a 10x10 channel Roland Octa-capture. Due to frequency non-linearity I had to switch to MOTU UltraLite MK3. I h...

plus de 13 ans il y a | 3 réponses | 0

3

réponses

Question


Send a LUA script via USB to a Test Script Processor enabled device using Matlab
I am working with a Keithley 3706-S switcher which can be configures using a LUA code sent via Test Script Builder (TSB). LUA c...

plus de 13 ans il y a | 2 réponses | 0

2

réponses

Question


Read the commands being sent out on Ethernet port
I have a Keithley 3706 - S switcher, which is supplied with its own software. This software communicates with the device via TCP...

plus de 13 ans il y a | 1 réponse | 0

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Control a third party GUI using Matlab
Is there a way to communicate with a third party GUI to select features listed on the GUI?

plus de 13 ans il y a | 2 réponses | 0

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Use Matlab to control a third party driver (Keithley 3706-S)
I have a Keithley 3706-S switcher. I wanted to automate some tests which involve switching the microphones inputs. It is very im...

plus de 13 ans il y a | 1 réponse | 0

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