Show/Hide Menu
Hide/Show Apps
Logout
Türkçe
Türkçe
Search
Search
Login
Login
OpenMETU
OpenMETU
About
About
Open Science Policy
Open Science Policy
Open Access Guideline
Open Access Guideline
Postgraduate Thesis Guideline
Postgraduate Thesis Guideline
Communities & Collections
Communities & Collections
Help
Help
Frequently Asked Questions
Frequently Asked Questions
Guides
Guides
Thesis submission
Thesis submission
MS without thesis term project submission
MS without thesis term project submission
Publication submission with DOI
Publication submission with DOI
Publication submission
Publication submission
Supporting Information
Supporting Information
General Information
General Information
Copyright, Embargo and License
Copyright, Embargo and License
Contact us
Contact us
LINE INTERFERENCE SUBTRACTION FILTER FOR SIGNAL-AVERAGED ELECTROCARDIOGRAPHY
Date
1993-09-08
Author
IDER, YZ
SAKI, MC
Metadata
Show full item record
This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
Item Usage Stats
95
views
0
downloads
Cite This
Use of notch filters in signal averaged ECG applications is avoided because they introduce ringing following the QRS. The authors therefore studied the use of a line interference subtraction (LIS) filter by which a scaled and shifted version of a signal at line frequency (line reference signal, LRS) is subtracted from the ECG signal in order to reduce the level of line interference. The frequency of the LRS must be the same as that of the line interference. For this, hardware is developed such that line frequency common mode interference is recorded simultaneously with the ECG. When applied to late potential detection it is seen that line interference is completely removed and no additional noise is introduced so that Simson's criteria derived from the vector magnitude are not changed. Similarly it is shown that despite high level of line interference notchy details of signal averaged P waves are completely recovered.
Subject Keywords
Interference
,
Electrocardiography
,
Frequency
,
Band Pass Filters
,
Voltage
,
Information Filtering
,
Information Filters
,
Resistors
,
Predictive Models
,
Hardware
URI
https://hdl.handle.net/11511/64827
Collections
Department of Electrical and Electronics Engineering, Conference / Seminar
Suggestions
OpenMETU
Core
Allpass variable fractional delay filters by pole loci interpolation
Hacıhabiboğlu, Hüseyin (2010-04-15)
A simple, accurate and efficient variable fractional delay (VFD) IIR filter is presented. The method is based on the interpolation of pole loci of maximally-flat allpass fractional-delay filters. The responses of the proposed VFD filter for different fractional delay values are simulated and the approximation errors are shown to be very small.
Ring based FIR-IIR best delay LS inverse filters
Aktas, M; Tuncer, Temel Engin (2004-04-30)
In this paper, we investigate the best delay LS inverse filter design problem. We propose FIR-IIR LS inverse filters to improve the LS error performance for the same complexity. Furthermore we present a new approach for the design of FIR-IIR LS inverse filters by using a special selection procedure for the IIR part. We derived the closed form LS error expressions and compared with the practical results in order to effectively show the performance improvement in this case. In general 4-5 dB improvement is ac...
Estimation of pico-satellite attitude dynamics and external torques via Unscented Kalman Filter
Söken, Halil Ersin (FapUNIFESP (SciELO), 2014-01-01)
In this study, an Unscented Kalman Filter (UKF) algorithm is designed for estimating the attitude of a picosatellite and the in-orbit external disturbance torques. The estimation vector is formed by the satellite's attitude, angular rates, and the unknown constant components of the external disturbance torques acting on the satellite. The gravity gradient torque, residual magnetic moment, sun radiation pressure and aerodynamic drag are all included in the estimated external disturbance torque vector. The sa...
Risk sensitive particle filters for mitigating sample impoverishment
Orguner, Umut (2007-08-29)
Risk-sensitive filters (RSF) put a penalty to higher-order moments of the estimation error compared to conventional filters as the Kalman filter minimizing the mean square error. The result is a more cautious filter, which can be interpreted as an implicit and automatic way to increase the state noise covariance. On the other hand, the process of jittering, or roughening, is well-known in particle filters to mitigate sample impoverishment. The purpose of this contribution is to introduce risk-sensitive part...
Sparse recursive filtering for O 1 stereo matching
Gürbüz, Yeti Ziya; Alatan, Abdullah Aydın (2015-09-30)
Recursive edge-aware filters have been proved to be one of the most efficient approaches for cost aggregation in stereo matching. However, disparity search space dependency, as a result of full search, is the bottle-neck of these local techniques that prevent further reduction in computation. In this paper, the cost aggregation and correspondence search problems are re-formulated to enable adaptive search for each pixel during recursive operations that provides significant reduction in computational complex...
Citation Formats
IEEE
ACM
APA
CHICAGO
MLA
BibTeX
Y. IDER and M. SAKI, “LINE INTERFERENCE SUBTRACTION FILTER FOR SIGNAL-AVERAGED ELECTROCARDIOGRAPHY,” 1993, p. 799, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/64827.