Truong-Thao Nguyen
Associate Professor

Tel: (212) 650-6627

Fax: (212) 650-8249

E-mail: thao@ee-mail.engr.ccny.cuny.edu

Degrees:

Research Interests:

Signal analysis, signal processing, quantization and coding, oversampled A/D conversion analysis (Sigma-Delta modulation), dynamical systems.

Selected Publications:

C.S.Gunturk and N.T.Thao, ``Ergodic dynamics in Sigma-Delta quantization: tiling invariant sets and spectral analysis of error,'' Advances in Applied Mathematics, 34 (2005) 523-560.

N.T. Thao, ``Breaking the feedback loop of a class of Sigma-Delta A/D converters,'' IEEE Transactions on Signal Processing, Vol. 52, no. 12, pp.3378-3393, Dec. 2004.

N.T.Thao, ``Quasi-equivalent feedforward system in asymptotic Sigma-Delta modulation,'' IEEE Transactions on Circuits and Systems, Part II, Vol.51, No.9, pp.482-487, Sept. 2004.

N.T.Thao, ``The tiling phenomenon in Sigma-Delta modulation,'' IEEE Transactions on Circuits and Systems, Part I, Vol.51, No.7, pp.1365-1378, July 2004.

C.S.Gunturk and N.T.Thao, ``Refined error analysis in second order Sigma-Delta modulation with constant inputs,'' IEEE Transactions on Information Theory, Vol.50, No.5, pp.839-860, May 2004.

N.T.Thao, ``Asymptotic MSE law of nth order Sigma-Delta modulators,'' IEEE Transactions on Circuits and Systems, Part II, Vol. 50, No. 5, May 2003.

N.T.Thao, ``MSE behavior and centroid function of mth order asymptotic Sigma-Delta modulators,'' IEEE Transactions on Circuits and Systems, Part II, pp.86-100, Feb. 2002.

N.T.Thao, ''Systematic Approach to the Digital Compensation for Deterministic Nonideal Characteristics in Sigma-Delta Modulation,'' IEEE Transactions on Circuits and Systems, Part II, pp. 1315-1321, Sept. 1998.

N.T. Thao and M. Vetterli, ``Set Theoretic Compression With an Application to Image Coding,'' IEEE Transactions on Image Processing, pp. 1051-1056, July 1998.

N.T. Thao, ``Vector Quantization Analysis of Sigma-Delta Modulation,'' IEEE Transactions on Signal Processing, pp. 808-817, April 1996.

N.T. Thao and M. Vetterli, ``Lower Bound on the Mean Squared Error in Oversampled Quantization of Periodic Signals Using Vector Quantization Analysis,'' IEEE Transactions on Information Theory , Vol. 42, pp. 469-479, March 1996.

N.T. Thao and M. Vetterli, ``Deterministic Analysis of Oversampled A/D Conversion and Decoding Improvement Based on Consistent Estimates,'' IEEE Transactions on Signal Processing, Vol. 42, pp. 519-531, March 1994.

N.T. Thao and M. Vetterli, ``Reduction of the MSE in R-times oversampled A/D conversion O(1/R) to O(1/R^2),'' IEEE Transactions on Signal Processing, Vol. 42, pp. 200-203, Jan. 1994.

Student PhD thesis:

Sidong Zeng, ``Global tile attractor of second order single-bit SD modulation,'' June 2008, PhD dissertation, Dept. of Electrical Engineering, City College, CUNY.

Work on Oversampled A/D Conversion and Sigma-Delta Modulation

• N.T.Thao and M.Vetterli, ``Oversampled A/D Conversion using A lternate Projections'', Conf. on Information Sciences and Systems, the Johns Hopkins University, pp.241-248, Mar. 1991.
• N.T.Thao and M.Vetterli, ``Convex coders and oversampled A/D conversion: theory and algorithms'', technical report, CTR, Columbia University, CU/CTR/TR 289-91-71, Dec. 1991.
• N.T.Thao, ``Deterministic Analysis of Oversampled A/D Conversion and Sigma-Delta Modulation, and Decoding Improvements using Consistent Estimates'', PhD. dissertation, Dept. of Electrical Engineering, Columbia, Feb. 1993.
   

   

Teaching:

EE306 Linear systems II: sampling demo (designed by William Caraballo)