Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

How can chose threshold for an ECG signal

Status
Not open for further replies.

m_eh_62

Member level 2
Joined
Mar 5, 2007
Messages
49
Helped
3
Reputation
6
Reaction score
0
Trophy points
1,286
Activity points
1,638
In R-detection algorithm I get to this signal and I want to eliminte the red marked segment.
how can i chose a threshold to eliminating the red marked section.

i25653_cross.jpg



my signal source is:
 

andre_luis

Super Moderator
Staff member
Joined
Nov 7, 2006
Messages
9,418
Helped
1,175
Reputation
2,369
Reaction score
1,169
Trophy points
1,403
Location
Brazil
Activity points
54,767
m_eh_62,

When I worked with ECG signal, the way to detect peak, was not by threshold, but by derivative detection. The reason is that sometimes, the offset of the real life signal turn around 0v level.


+++
 

m_eh_62

Member level 2
Joined
Mar 5, 2007
Messages
49
Helped
3
Reputation
6
Reaction score
0
Trophy points
1,286
Activity points
1,638
andre_teprom said:
m_eh_62,

When I worked with ECG signal, the way to detect peak, was not by threshold, but by derivative detection. The reason is that sometimes, the offset of the real life signal turn around 0v level.


+++
What do you mean "by derivate detection"?
Can you explain it?
thanks.
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top