Tapan K. Sarkar, N. Radhakrishna, Huanqun Chen

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations


The unity in diversity of the various Z-domain to S-domain transformations is studied to achieve three objectives. The first is to find under what conditions they yield similar results. The various transformations include impulse invariant, step invariant, bilinear transformation, and ramp invariant transformations. The second objective is to find out under what conditions the continuous differential equation describing the system may be approximated by a difference equation for all the various Z-domain transformations. The third objective is to find out under what assumptions the discrete version of the impulse response becomes a sampled version of the continuous response. Numerical results are also presented to study the degree of accuracy of various approximations as a function of the samplinig rate.

Original languageEnglish (US)
Pages (from-to)508-520
Number of pages13
JournalIEEE Transactions on Instrumentation and Measurement
Issue number4
StatePublished - Jan 1 1986
EventSel Pap IMTC/86 -Third Annu Instrum and Meas Technol Conf - Boulder, CO, USA
Duration: Mar 25 1986Mar 27 1986

ASJC Scopus subject areas

  • Instrumentation
  • Electrical and Electronic Engineering

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