MATLAB QUESTIONS & EXPERT ANSWERS

Why do I receive an error when I use the SPECTROGRAM function if the length of the window is equal to the signal length in Signal Processing Toolbox 6...

Hi all,   I'm trying to band pass filter (9Hz to 70Hz) an  ECG signal which is sampled at 256 Hz using MATLAB's 'butter' followed by 'filter'. I'm u...

Hi, I have the question below:   Part 1: 1) I do not know what to design the filters to be, based on what? 2) I am not sure if I displayed the magnit...

How would I find the first twelve local maximum (peak) values for y and the corresponding times (t) using a script?  ...

I've worked through a lot of examples, it is easy to create a plot for a phased-antenna array, one which is scanned to several angles using the plotRe...

Hi, how do i find total power of signal from a wav file and display it on axes ? I currently only have this. [myRecording,fs] = audioread('filename.wa...

I have written a 1D heat conduction problem with H=100 and other variables and solved to obtain a maximum temperature. The maximum temperature was obt...

I've created a function to detect white edges in an image. This plot is a segment in an image (post processing of my function). The example above has ...

Assuming I have two output signals measured from two different power supplies, I want to compare the noise-levels of these output  signals to find ou...

When I use the resample function, I get a dimension error. Here is the example used in the MATLAB help file, with the output: fs1 = 10; % Original sam...