S. Mukhopadhyay and P. Sircar, "Parametric Modelling of Non-Stationary Signals: A Unified Approach," Signal Processing, Vol. 60, Jul. 1997.
P. Sircar and V. Arvind, "Numerical Analysis of Optical Fibers with Arbitrary Refractive Index Profile," J. Electromagnetic Waves and Applications, Vol. 11, Aug. 1997.
R.B. Pachori and P. Sircar, "A New technique to Reduce Cross Terms in the Wigner Distribution," Digital Signal Processing, Vol. 17, Mar. 2007.
P. Sircar and R.K. Saini, "Parametric Modeling of Speech by Complex AM and FM Signals," Digital Signal Processing, Vol. 17, Nov. 2007.
P. Singh and P. Sircar, "Time delays and angles of arrival estimation using known signals," Signal Image and Video Processing, vol. 6, no. 2, 2012.