Electromagnetic and acoustic Nondestructive Evaluation (NDE)
Electromagnetic/ acoustic sensors
Electromechanical device modeling
Piezoelectric array transducers
Optimization methods for Magnetic Resonance Imaging (MRI)
R. Ludwig and G. Bogdanov, RF Circuit Design, Theory and Practice, 2nd, Pearson, 2009, pp. 704, ISBN 978-0-13-147137-5.
S. Makarov, R. Ludwig, S. Bitar, Practical Electrical Engineering, Springer Verlag, pp. 990, 2016, ISBN 978-3-319-21172-5.
R. Bowankar and R. Ludwig, "An Optical Surface Inspection and Automatic Classification Technique Using the Rotated Wavelet Transform," IEEE Trans. Instrumentation and Measurements, Vol. 76, Issue 3, pp. 690 – 697, 2018.
A. Alqudsi, I. Costanzo, A. Mavretic and R. Ludwig, "Developing a High-Power Multilayer Ceramic Capacitor Qualification Test Setup for RF Subsystems," in IEEE Transactions on Instrumentation and Measurement, vol. 68, no. 9, pp. 3396-3404, Sept. 2019.
R. Bowankar and R. Ludwig, “An FPGA-based Feature Extraction Using Reconfigurable Rotated Wavelet Transform for various Classification Schemes, “IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 969-972, 2017.
R. Borwankar, M. Haider, R. Ludwig, Y. Massoud, “An Ultra-Low-Power, High Gain Mixer for Smart Cities Applications,” IEEE 60th International Midwest Symposium on Circuits and Systems (MWSCAS), pp. 822 -824, 2017.
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