Professional Interests: commuications and signal processing

Question

Matlab matched filtering help

Hello Here is a code that I wrote to analyze the prp(pulse repetition pattern) of a signal I am getting from an oscilloscope. ...

plus de 9 ans ago | 2 answers | 0

Question

ginput question

How do I control ginput execution. If I am panning through a large data plot, and if I want to zoom in on the plot and then use ...

plus de 9 ans ago | 1 answer | 0

Question

filtering help

Hello I am trying to filter out a big chunk of data. I have the data in a .csv file. When I read and plot that data, there is...

plus de 9 ans ago | 1 answer | 0

Question

What are the dependencies for findpeaks.m

Do I need signal processign toolbox to use the findpeaks function?

plus de 9 ans ago | 2 answers | 0

Question

array that grows in size over time

Is there an option to declare an array in matlab that grows as a program runs (like a vector or a list in C++)? I am trying to r...

plus de 9 ans ago | 1 answer | 0

Question

matlab crash

Hello When I try to load a signal of 10 million data points and plot it, the plot goes through fine but I can't add data curso...

plus de 9 ans ago | 1 answer | 0

Question

dialog box option instead of the input command

Hello Here is a piece my code which takes an input file for analysis. The file itself(asig) has 10 million rows and two columns...

plus de 9 ans ago | 2 answers | 0

Answered

plotting without signal(.csv) file being hard coded

I was eventually able to do this with uigetfile. I wonder if there are other ways

plotting without signal(.csv) file being hard coded

I was eventually able to do this with uigetfile. I wonder if there are other ways

plus de 9 ans ago | 0

Question

plotting without signal(.csv) file being hard coded

Hello I am trying to plot a huge signal to do some time analysis. Here's a piece of my code. asig = csvread('tek0001CH1.csv...

plus de 9 ans ago | 1 answer | 0

Question

plot pause

Hello I am using the following code to iteratively pan along the x-axis in small steps and it works fine. asig = csvread('...

plus de 9 ans ago | 2 answers | 1

Question

plot help

Hello Here is matlab code that I am using to plot (analog and ttl signals of a waveform) and pan across the x-axis of the plot...

plus de 9 ans ago | 1 answer | 0

Question

fft of a finite duration real signal

Hello I have signal which is finite in duration sampled at a certain frequency and has a lot of noise buried in the signal. I a...

environ 10 ans ago | 1 answer | 0

Question

Filtering noisy data

Hello I have a mixed frequency signal with a lot of noise. I plotted the spectrum of the signal using fft and also plotted the ...

environ 10 ans ago | 1 answer | 0

Question

sptool gui question

sptool gui is great but how do I load my signal to do any processing in it.

environ 10 ans ago | 1 answer | 0

Question

spectral analysis of a signal

Hello I have a situation. I have a signal stored in a .csv file. The sample interval is 2us which means a sample taken every ...

environ 10 ans ago | 1 answer | 0

Question

Matched filter

How can I write a mtached filter in Matlab? I have the filter design and signal processing tool boxes.

environ 10 ans ago | 5 answers | 0

Question

Memory problem complaint

I coded a matlab file with a few big matrices in that as variables. The file size appers to be 70Mb. I exited matlab. When I go ...

environ 10 ans ago | 0 answers | 0

Question

floating point question

Hello. I imported a .csv file to into matlab which has 10 million rows and 2 columns. I truncated the number of rows to 100 thou...

environ 10 ans ago | 1 answer | 0