Analysis and reproduction of a signal's periodic components by means of an extended block-adaptive Fourier analyzer. - Ants Ronk (IEEE Trans. Instrum. Meas., 2003)

Synchronous Sampling and Demodulation in an Instrument for Multifrequency Bioimpedance Measurement. - Mart Min; Toomas Parve; Ants Ronk; Paul Annus; Toivo Paavle (IEEE Trans. Instrum. Meas., 2007)