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Online Assessment of Influence in Monitoring System


Hilbert Transform- and Bi-Orthogonal Decomposition-Based Online Methods for Determination of a True Influences in the Seismic and Ecological Monitoring Systems (Including a Ground True Motion Restoring)

Tech Area / Field

  • ENV-MIN/Monitoring and Instrumentation/Environment
  • ENV-SEM/Seismic Monitoring/Environment
  • INS-MEA/Measuring Instruments/Instrumentation

3 Approved without Funding

Registration date

Leading Institute
Scientific-Research Center for Radiobiology and Radiation Ecology, Georgia, Tbilisi


  • California State University Northridge / Department of Physics and Astronomy, USA, CA, Northridge\nEUREKOS s.r.l., Italy, Portogruaro\nThe City University of New York / New York City College of Technology, USA, New York

Project summary

The main objective of the Project is development of highly stable online methods for assessment of true influence in the systems of ecological and seismic monitoring.

The current systems for seismic and ecological monitoring include the sensing devices, limited metrological characteristics of which (here and further we refer to amplitude-frequency and phase characteristics) have common shortcomings – temperature- and time-instability, which significantly reduces quality of information obtained, that is especially important in perennially operated monitoring systems in field conditions.

Traditional way of solving this problem implies periodic identification and adjustment of metrological characteristics, which is concerned with temporary termination (total or partial) of monitoring systems operation and requires engagement of the servicing personnel. Such approach leads to raised costs of the monitoring system and results in losses of information.

On the other hand, events, which do not fit in the framework of characteristics of recording devices, require modernization of control network, replacement of devices, etc. These still further increase costs of the monitoring system and results in information loss.

Many years’ investigations conducted by the workers of our Center enabled development of theory for assessment of true influence, that could solve not only a problem of complex stabilization of metrological characteristics, but also adaptive transformation of these characteristics without suspension of monitoring systems and intervention of the operators. Some results of these studies are published in open periodicals and protected under authorship certificates.

The ideology of the Project is based on the following principles:

1. Fast procedures for assessment of metrological characteristics in automatic mode, based of Hilbert transform;
2. Computing adjustment of metrological characteristics instead of their physical adjustment;
3. Adaptive transformation of metrological characteristics by their decomposition on the bi-orthogonal systems of functions.

The Project will be realized by specially appointed group of scientists, recruited from the Laboratories of Systems Engineering, Informatics and Radiation Ecology, Scientific Center of Radiobiology and Radiation Ecology, Georgian Academy of Sciences. Information about Laboratories, scientific activities, and capacities of our Scientific Center is available at:

In the past years SRCRBE was a closed unit at the Institute of Physiology of Georgian Academy of Sciences and served the function of Head organization in the USSR in the working out special projects. At the present time SRCRBE is an independent open research institution and is carrying out fundamental and applied research, publishes scientific periodical editions "Radiation studies", "Biomedical Engineering", "Problems of Ecology", etc. In view of our past status and present economic difficulties in the country, the Project will give the possibility to the specialists, concerned in the past with the weapon projects, reorient to the pacific activity.

Collaborators agree to cooperate in the scientific research work stipulated by the Project, exchange information in the course of its accomplishment, consider deliverables, in case of need, hold consultations and discussions concerning the results obtained, discuss the data on the conferences, visit participants of the Project and invite them for the exchange of experience.


The International Science and Technology Center (ISTC) is an intergovernmental organization connecting scientists from Kazakhstan, Armenia, Tajikistan, Kyrgyzstan, and Georgia with their peers and research organizations in the EU, Japan, Republic of Korea, Norway and the United States.


ISTC facilitates international science projects and assists the global scientific and business community to source and engage with CIS and Georgian institutes that develop or possess an excellence of scientific know-how.

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