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How to get the power spectral density from a Spectrogram in a given frequency range?
In the figure I have uploaded for example, is there a function to get the Power spectral density of the signal between 1 - 2 Hz?...
quasi 12 anni fa | 1 risposta | 0
1
rispostaDomanda
How to find the sliding RMS of a signal by sliding a window one unit at a time along a signal?
I have codes to calculate the RMS for each window. But one window starts at the end of the previous window. I am new to MATLAB a...
quasi 12 anni fa | 0 risposte | 0
0
risposteDomanda
What is the unit of frequency in a spectrogram- Hertz or frequency bins?
Is it Frequency in hertz or in bins? If in bins, how do you convert it to Hertz? Thanks
quasi 12 anni fa | 1 risposta | 0
1
rispostaDomanda
Signal Analysis using the Short Time Fourier Transform
I'm trying to analyse some data with the Short Time Fourier Transform using the codes below. Plotting just the spectrogram gives...
quasi 12 anni fa | 0 risposte | 0
0
risposteDomanda
Do I need to use repmat to plot the RMS at every point in a signal?
Can you please tell me how to plot the RMS at every point in the signal. I think I might need to use the repmat function to do i...
quasi 12 anni fa | 1 risposta | 0
1
rispostaDomanda
Plotting RMS from .csv files
I have data in the csv format that I'm plotting it using the lines of code below. The data has 2 columns and 1048576 rows. I hav...
quasi 12 anni fa | 1 risposta | 0
1
rispostaDomanda
Plotting a Spectrogram with data from a csv file
Hi I have some data in a csv file. The actual data has 1048576 lines and is too big to upload so I'm attaching a chunk of it wh...
circa 12 anni fa | 2 risposte | 0
2
risposteDomanda
Plotting data from a .csv file
Hi I need to plot a graph in MATLAB using data from a .csv file which has 2 columns of data, column A and column B. Can you ple...
circa 12 anni fa | 2 risposte | 1
2
risposteDomanda
Spectrogram windowing- why do the 2 methods generate different graphs?
Method 1 spectrogram(x,128,16,128,FS) Method 2 w = window(@hamming,128); [S,F,T,P] = spectrogram(x,w,16,128,FS); Sinc...
circa 12 anni fa | 3 risposte | 0
