Vairis SHTRAUSS
Born: December 3, 1946, Riga, Latvia
Interests:
- Signal Processing
- Non-destructive Testing
- Dielectric Spectrometry
- Relaxation Behaviour
- Integral Transforms and Inverse Problems
- Instrument Building
- Quality Assurance
Languages: English, Latvian, Russian
Education
- Riga Technical University(Faculty of Radioengineering and Telecommunications), 1970
- Dr. sc.ing., (Candidate of Science in former USSR, Ph.D. in Western countries),
Institute of Polymer Mechanics, Latvian Academy of Sciences, 1978
- Dr.habil.sc.ing., Institute of Physical Energetics, Latvian Academy of Sciences, 1993
Experience
- Engineer and Senior Engineer, Institute of Polymer Mechanics, Latvian Academy of
Sciences, 1969-1972
- Junior Researcher, Researcher and Senior Researcher, Institute of Polymer Mechanics,
Latvian Academy of Sciences, 1972-1993
- Leading Researcher, Institute of Polymer Mechanics, 1993-
Honours and Awards
- Leipzig International Fair Gold Medal, 1988.
- The Latvian Academy of Sciences Presidium Second Award, 1983, 1987
- The Silver and Bronze Medals of USSR Exhibition of National Economy Achievements, 1985,
1986
Professional Activities and Memberships
- Chairman, Latvian National Accreditation Office, Technical Committee of Metrology, 1995-
- Deputy Chairman, Latvian National Standardisation and Metrology Centre, Technical
Committee of Standards “Non-destructive Testing”, 1998-
- Member, Latvian National Standardisation and Metrology Centre, Technical Committee of
Standards “Legal Metrology”, 1998-
- Member of Local Organising Committee, 9th International Conference on Mechanics of
Composite Materials, Riga, 1995.
- Member of Local Organising Committee, 10th International Conference on Mechanics of
Composite Materials, Riga, 1998.
Recent/Representative Publications
- Shtrauss V. Signal processing in relaxation experiments. - Mechanics of
Composite Materials, 2002, vol. 38, N 1, pp.73-78.
- Shtrauss V. A study on information capability of dielectric spectra in monitoring
nonisothermal cure processes. - Mechanics of Composite Materials, 2002, vol.
38, N 2, pp.181-186.
- Shtrauss V. Solving inverse problems in relaxation experiments. In: Adv, +371 2
525047ances in Composite Materials and Structures VII (Ed. W.P.de Wildw, W.R.
Blain, C.A.Brebbia), WIT Press, Sauthampton, Boston, 2000, pp. 239-248.
- Shtrauss V., Lomanovskis U. Structure evaluation of materials by artifical neural
network. - Mechanics of Composite Materials, 1999, vol. 35, N 1, pp.109-124.
- Shtrauss V. Spectrum analysis and synthesis of relaxation signals. - Signal
Processing, 1997, vol. 63, pp. 107-119.
- Shtrauss V. Functional conversion of signals in the study of relaxation phenomena. -
Signal Processing, 1995, vol. 45, pp. 293-312.
- Shtrauss V. Unified approach and technique to performance of Mellin convolution and
related integral transforms in relaxation experiments. - Meccanica, 1997, vol. 32,
N 3, pp.251-258.
- Shtrauss V. Structure evaluation of materials by electrical methods. - Mechanics of
Composite Materials, 1996, vol. 32, N 1, pp.124-134.
- Shtrauss V., Kalpinsh A., Lomanovskis U., Rotbahs J. Resin cure monitoring system based
on non-destructive dielectric spectrometry. - Mechanics of Composite Materials,
1996, vol.32, N 3, pp. 401-409.
- Shtrauss V. Sampling relaxation signals. - Automatic Control and Computer Sciences,
1996, vol.30, N 2, pp. 36-47.
- Shtrauss V., Kalpinsh A., Lomanovskis U., Rotbahs J. Tomographic imaging by electrical
methods. Review. - Latvian Journal of Physics and Technical Sciences, 1995, N 3,
pp.23-47.
- Shtrauss V. D. Information processing technology in studies of relaxation phenomena:
Relaxation models generated by a fractional-order operator with two sectional parameters.
- Automatic Control and Computer Sciences, 1995, vol. 29, N 4, pp. 17-25.
- Shtrauss V. Information processing technology in study of relaxation phenomena: Review.
Automatic Control and Computer Sciences, 1994, vol. 28, No. 3, pp. 42-51.
- Shtrauss V. Information processing technology in study of relaxation phenomena: Formal
theory of relaxation systems. - Automatic Control and Computer Sciences, 1994, vol.
28, N 4, pp. 35-45.
- Matiss I.G., Shtrauss V.D. Multi-parameter dielectric relaxation spectrometry for
quality control of composites. - NDT International, 1988, vol. 21, N 4, pp.
266-276.
- Shtrauss V., Lomanovskis U. Using artificial neural network for structure evaluation of
composites from NDT data. - In: Proc. of European Conference on Composite
Materials. Science, Technologies and Applications (ECCM - 8), Naples, Italy, 3-6 June,
1998, vol. 1, pp. 253-260.
- Shtrauss V. Influence of sampling on regularisation and alias suppresion in inversion of
integral transforms by digital filters. - Proc. 1997 International Workshop on Sampling
Theory and Applications SAMPTA '97, Aveiro, Portugal, June 16-19, 1997, pp. 91-96.
- Shtrauss V. Quasi alias-free technology of performing integral transforms by digital
filters with logarithmic sampling. - Proc. 1995 Workshop on Sampling theory &
Applications. Jurmala, Latvia, September, 1995, pp. 156-161.
- Shtrauss V. Test procedure generation for nondestructive structure evaluation of
composites. - Proc. Int. Conference on Composite Materials "Advancing with
Composites '94", Milan, Italy, 3-5 May, 1994, vol. 1.
- Shtrauss V. Development of software for relaxation spectrometry. In: Proceedings
of International Conference "Nondestructive Testing and Evaluation of Composite
Structures", Riga, 1991, Vol. 2., pp. 439-458.
Research Projects
- V. Shtrauss (Head of Project). Structure Evaluation of Materials by Electrical Methods.
Latvian Council of Science (1997-1999).
- V. Shtrauss (Head of Project). Multi-frequency Electrical Impedance Tomography with
Multi-element Electrodes. Latvian Council of Science (1994-1996).
- I. Matiss (Head of Project). Spectrometric Methods for Material Structure Study. Latvian
Council of Science (1991-1995).
- D. C. Barber (Head of Project). Contract No. ERBCIDCT 930193. Project: Concerted Action
on Electrical Impedance Tomography (1994-1996).
- M. Kalnins. (Head of National Programme). The National Programme No 96.003. Safety,
strength, and protection of materials and structures. Section "Non-destructive
Testing". Latvian Council of Science (1997-1999).
- V. Shtrauss (Head of Project). Development of Information Technology for
Non-destructive Material Characterization. Latvian Council of Science
(2001 - ).
- V. Shtrauss (Head of Project). Increasing Information Capability for
Diagnostics of Electrical Insolation. Latvian Council of Science
(2001 - 2004).
- V. Shtrauss (Head of Project). Development of Information Technology for
Material Research. Latvian Council of Science (2005 - ).
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Last update 16.03.2003
