Ajay Kumar
San Jose State University
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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...
mer än 7 år ago
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...
ungefär 8 år ago | 0 answers | 0
0
answersQuestion
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,...
mer än 8 år ago | 1 answer | 0
1
answerQuestion
Cell to String
Hi, I am trying to concatenate a two strings in the below code: baseDIR = 'C\Documents and Settings\User\Desktop\'; t...
ungefär 12 år ago | 1 answer | 0
1
answerQuestion
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...
ungefär 12 år ago | 1 answer | 1
1
answerQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
Use 'MME' and 'ASIO'
Can I use both MME and ASIO for recording in the same call for example playrec or pa_wavplayrecord.
mer än 12 år ago | 0 answers | 0
0
answersBest 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...
mer än 12 år ago | 1
| accepted
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...
mer än 12 år ago | 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...
mer än 12 år ago | 1 answer | 0
1
answerSolve 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 ...
mer än 12 år ago | 0
| accepted
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...
mer än 12 år ago | 2 answers | 0
2
answersDrawing something simple with MATLAB
Try the above. It should work. This is the simplest if you are just trying to display characters
mer än 12 år ago | 0
Drawing something simple with MATLAB
disp(' ') disp('X...X') disp('.X.X.') disp('..X..') disp('.X.X.') disp('X...X') disp(' ')
mer än 12 år ago | 0
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...
mer än 12 år ago | 0
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 ...
mer än 12 år ago | 0
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 ...
mer än 12 år ago | 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...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 12 år ago | 3 answers | 0
3
answersQuestion
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...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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?
mer än 12 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 12 år ago | 0 answers | 0