Krishnapriya G B

6 Questions 4 Answers 0 Followers

Questions related from Krishnapriya G B

Why do same signals with sampled at different frequencies leading to different digital signals?

I have a doubt regarding the following picture. Here the first figure shows different frequency analog signals sampled at different frequencies leading to same digital signals,which I assume is...

15 May 2023 9,341 0 View

How to get realtime data(ecg sensor) from arduino and filter and process it and plot the output ?

I have been trying to get realtime ecg data from arduino using matlab. I am able to visualise the real time data using this code. Here the issue is I cannot get the filtered output at the same...

09 May 2023 3,865 10 View

What will be the power requirement of wavelet transform when compared to time domain and frequency domain features?

I have a doubt regarding wavelet transform. If we have power constraints while making an algorithm , is it advisable to go with time domain features, or frequency domain features. Will Wavelet...

08 May 2023 8,591 1 View

What is meant by 5-point derivative operator?

I came across this term while learning about the pan-tompkins algorithm for QRS complex detection in ECG signal. It would be helpful if I could get some knowledge about 5 point derivative and also...

30 January 2023 433 0 View

What is meant by Paired T test ? Why is the value of p value < 0.05 taken? what is meant by null hypothesis?

It would be really helpful if someone could share some information regarding this and also some resources which could help me understand the above things much better. Thank you

23 January 2023 3,785 7 View

Why can't we make an amplifier using passive elements? Also Why is it necessary for the active elements to be non linear ?

why can't the passive elements shift the dc potential to some frequency that the input signal contains? Thank You

27 March 2022 828 13 View