Obtaining time derivative of low-frequency signals with improved signal-to-noise ratio

IEEE Transactions on Instrumentation and Measurement

Volumn 59, Issue 3, 2010, Pages 596-603

  Kruttiventi, Jayanth ^a,b   Wu, Jie ^a   Frankel, Jay I ^a  

^a University of Tennessee   (United States)

^b TEXAS INSTRUMENTS   (United States)

Author keywords

Amplitude modulation; Differentiation; Heat flux measurements; Ill posed problems; Signal to noise ratio (SNR)

Indexed keywords

ACCURATE PREDICTION; CONDUCTING BODIES; HEAT FLUX MEASUREMENT; HIGH-FREQUENCY NOISE; HIGHER FREQUENCIES; ILL POSED; ILL POSED PROBLEM; ILL-POSED PROBLEMS; IMPROVED SNR; IN-SITU TEMPERATURE; LOW FREQUENCY; LOW-FREQUENCY SIGNALS; NUMERICAL DERIVATIVES; SAMPLING RATES; SENSOR INTERFACE; TEMPERATURE DATA; TIME DERIVATIVE; TRANSIENT TEMPERATURE; VOLTAGE DATA; VOLTAGE-RATE INTERFACE;

AMPLITUDE MODULATION; FLIGHT DYNAMICS; HEAT FLUX; INVARIANCE; MATLAB; SENSORS; SPICE;

SIGNAL TO NOISE RATIO;

EID: 76849113943     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/TIM.2009.2025069     Document Type: Article

References (10)

1. J. I. Frankel, R. V. Arimilli, M. Keyhani, and J. Wu, "Heating rate dT/dt measurements developed from in-situ thermocouples using a voltage-rate interface," Int. Comm. Heat and Mass Transf., vol.35, no.8, pp. 885-891, Oct. 2008.
2. J. I. Frankel, "Motivation for the development of new thermal rate sensors for material science applications," in Int. J. Mater. Product Technol., vol.24, 2005, pp. 199-206.
3. J. I. Frankel, G. E. Osborne, and K. Taira, "Stabilization of ill-posed problems through the thermal rate sensors," AIAA J. Thermophys. Heat Transf., vol.20, no.2, pp. 238-246, 2006.
4. M. Hanke and O. Scherzer, "Inverse problems light: Numerical differentiation," Amer. Math. Monthly, vol.108, no.6, pp. 512-521, Jun./Jul. 2001.
5. J. I. Frankel, "Regularization of inverse heat conduction by combination of rate sensor and analytic continuation," J. Eng. Math., vol.57, no.2, pp. 181-198, Feb. 2007.
6. J. I. Frankel and R. V. Arimilli, "Inferring convective and radiative heating loads from transient surface temperature measurements in the half-space," Inverse Probl. Sci. Eng., vol.15, no.5, pp. 463-488, Jan. 2007.
7. C. C. Enz and G. C. Temes, "Circuit techniques for reducing the effects of op-amp imperfections: Autozeroing, correlated double sampling, and chopper stabilization," Proc. IEEE, vol.84, no.11, pp. 1584-1614, Nov. 1996.
8. [Online]. Available: http://www.hit.ac.il/labs/basicom%5Cex4-DSB-SCfeb04. pdf
9. [Online]. Available: http://www.circuitsage.com/filter/sallenkey.pdf
10. [Online]. Available: http://www.national.com/an/AN/AN-31.pdf