Digital lock-in techniques for adaptive power-line interference extraction

Physiological Measurement

Volumn 29, Issue 7, 2008, Pages 803-816

  Dobrev, Dobromir ^a   Neycheva, Tatyana ^a   Mudrov, Nikolay ^a  

^a CENTRE OF BIOMEDICAL ENGINEERING   (Bulgaria)

Author keywords

Adaptive filtering; Lock in amplifier; Phase sensitive detector; Power line interference; Synchronous demodulator

Indexed keywords

ADAPTIVE FILTERING; ADAPTIVE FILTERS; LOCKS (FASTENERS);

DIGITAL LOCK IN TECHNIQUE; LOCK-IN AMPLIFIER; PHASE SENSITIVE DETECTORS; POWER LINES; POWERLINE INTERFERENCE; SIMPLE++; SINEWAVES; SQUARE-WAVE; SYNCHRONOUS DEMODULATORS; SYNTHESISED;

EXTRACTION;

AMPLIFIER; ARTICLE; MIXER; POWER SUPPLY; PRIORITY JOURNAL; SIMULATION; WAVEFORM;

EID: 47649098415     PISSN: 09673334     EISSN: 13616579     Source Type: Journal    
DOI: 10.1088/0967-3334/29/7/009     Document Type: Article

References (17)

1. Barr R and Fendjallah M 1990 Frequency domain digital filtering techniques for selective noise elimination in biomedical signal processing IEEE Comput. Card. 2 813-4
2. Christov I and Dotsinsky I 1988 New approach to the digital elimination of 50 Hz interference from the electrocardiogram Med. Biol. Eng. Comput. 26 431-4
3. Enz Chr and Temes G 1996 Circuit techniques for reducing the effects of op-amp imperfection: autozeroing, correlated double sampling and chopper stabilization Proc. IEEE 84 1584-614
4. Huhta C and Webster J 1973 60-Hz interference in electrocardiography IEEE Trans. Biomed. Eng. 20 91-101
5. Keenan D and Grossman P 2005 Adaptive filtering of heart rate signals for an improved measure of cardiac autonomic control Int. J. Signal Process. 2 52-8
6. Levkov Ch 1989 Fast integer coefficient FIR filters to remove the ac interference and the high-frequency noise components in biological signals Med. Biol. Eng. Comput. 27 330-2
7. Levkov Ch et al 2005 Removal of power-line interference from the ECG: a review of the subtraction procedure Biomed. Eng. Online 4 50
8. Li W and Meiners J 2000 Introduction to PLL system modeling Texas Instruments Inc. Application J. SLYT015
9. PerkinElmer Inc. 2000a Specifying lock-in amplifiers Technical note TN1001
10. PerkinElmer Inc. 2000b The analog lock-in amplifier Technical note TN1002
11. PerkinElmer Inc. 2000c The digital lock-in amplifier Technical note TN1003
12. Princeton Applied Research Co. 1975 A lock-in amplifier primer
13. Princeton Applied Research Co. 1983 Explore the lock-in amplifier
14. Scofield J 1994 A frequency domain description of a lock-in amplifier Am. J. Phys. 62 129-33
15. Warlar R and Eswaran C 1991 Integer coefficient bandpass filter for the simultaneous removal of base line wander, 50 and 100 Hz interference from the ECG Med. Biol. Eng. Comput. 29 333-6
16. Widrow B et al 1975 Adaptive noise canceling: Principles and applications Proc. IEEE 63 1692-716
17. Yoo S et al 1997 Simple self-tuned notch filter in a bio-potential amplifier Med. Biol. Eng. Comput. 35 151-4