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Time-Frequency Plot
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Hello
I am using the spectrogram function in matlab to obtain the time-frequency response of my signal. However, the time-frequency graph which I get from this function does not have all the data plotted with respect to time. Below is the spectrogram command which I am using.
spectrogram(CeDS,blackman(2*Fs),Fs/2,2*Fs,Fs,'yaxis');
where Fs = 10000;
Attached is my signal in time domain. Also attached is the output I get from the spectrogram command.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/274893/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/274894/image.png)
As can be seen from the above plot, the data before time = 6 minutes is missing.
Hoping if someone could advise how I could solve this.
Thanks in advance.
Krishneel Kumar
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