MATLAB Answers

ecg signal in different frequency bands

7 views (last 30 days)
I have single channel ecg data i want to decompose in following range of frequencies 1- VLF (0.00-0.04) 2- LF(0.04-0.15) 3-HF(0.15-0.40) 4- VHF(0.40-35) I am applying bandpass filter "fdesign.bandpass" but i am confused that which order i have take . Please help me any body. My sampling freq is 500 Hz.

  0 Comments

Sign in to comment.

Accepted Answer

zohar
zohar on 28 Jun 2012
Hi Siddartha
1) I think you have HRV (R to R peak) signal, and not ECG signal ?
Am I missing something ?

  1 Comment

siddhartha chandel
siddhartha chandel on 29 Jun 2012
Hello Zohar please help me if you work on similar kind of processing.

Sign in to comment.

More Answers (1)

Wayne King
Wayne King on 28 Jun 2012
Siddartha, Are you sure you want a band like 0-0.04 Hz? At that point you are essentially just asking for the DC component of the signal. I think several of your other bands suffer from this same problem, you are asking to filter frequency bands fractions of 1 Hz wide. At first I thought you may be using normalized frequency when you wrote 0.04-0.15, but then you have a band 0.40-35

  1 Comment

siddhartha chandel
siddhartha chandel on 29 Jun 2012
Sir it is HRV r-r interval so plz help me . Is i applying input to the band pass R-R interval?

Sign in to comment.

Sign in to answer this question.