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139 (0,139s) •

Project

Structure formation of advanced silicate composites with reduced impedance (GC20-09072J)

. One of new research areas is study of composites with reduced impedance to overcome percolation threshold. Achieving of low value of impedance can be assured of the project is to create silicate based composite material with low <...

Civil engineering

  • 2020 - 2022
    • •
  • 5 400 tis. Kč
    • •
  • 5 400 tis. Kč
    • •
  • GA ČR
Project

Graphene impedance quantum standard (8B19009)

The overall objective is to combine novel digital impedance measurement bridges to enable the practical realisation of electrical impedance units (ohm, farad, henry of impedance units to the QHE at temperatures of 4 K or hi...

Other natural sciences

  • 2019 - 2022
    • •
  • 1 569 tis. Kč
    • •
  • 1 569 tis. Kč
    • •
  • MŠMT
Project

Planar acoustic metamaterials with the active control of acoustic impedance (GA13-10365S)

for control of their acoustic impedance in changing operational conditions. Acoustic with piezoelectric elements. Active control of their acoustic impedance will be realized impedance converters or gyrators. Methods of ada...

BI - Akustika a kmity

  • 2013 - 2015
    • •
  • 5 139 tis. Kč
    • •
  • 5 139 tis. Kč
    • •
  • GA ČR
Project

Automated impedance metrology extending the quantum toolbox for electricity (7AX13027)

This JRP aims to improve impedance metrology at the lowest uncertainties by making the transition from measurements performed at predefined values and relative phase angles for selected frequencies to any ratio over the complete audio freque...

BA - Obecná matematika

  • 2013 - 2016
    • •
  • 2 917 tis. Kč
    • •
  • 1 671 tis. Kč
    • •
  • MŠMT
Project

Adaptive acoustic metasurfaces for the active sound field control (GA16-11965S)

impedance on the outside of the metasurface using digital holographic interferometry membranes. Local value of the specific acoustic impedance on the outside of the metasurface will be controlled using a negative impedance...

BI - Akustika a kmity

  • 2016 - 2020
    • •
  • 6 042 tis. Kč
    • •
  • 5 520 tis. Kč
    • •
  • GA ČR
Project

Quality assessment of electric vehicle Li-ion batteries for second use applications (8B18008)

impedance based methods (e.g. EIS, EC, DRT, NFRA and TDM) and conventional methods e.g validated impedance based measurement procedures to measure the residual capacity of Li batteries based on impedance based measurements...

Electrical and electronic engineering

  • 2018 - 2021
    • •
  • 2 146 tis. Kč
    • •
  • 1 125 tis. Kč
    • •
  • MŠMT
Project

CONCRETE IMPEDANCE SPECTROSCOPY MODEL DESIGN AND VERIFICATION (GP103/09/P263)

Impedance spectroscopy is a non-destructive testing method ranking in the electrical engineering measuring method group. The analyse of impedance spectra and dielectricity loss frequency dependence of concrete and some other buildin...

JN - Stavebnictví

  • 2009 - 2011
    • •
  • 298 tis. Kč
    • •
  • 298 tis. Kč
    • •
  • GA ČR
Project

A versatile electrical impedance calibration laboratory based on digital impedance bridges (8B18014)

1. To review the developments in digital impedance bridges in previous research projects, including e.g. EMRP JRP SIB53 AIM QuTE, and to determine the most suitable approach(es) to be adopted in this project based on industrial and stakeho...

Electrical and electronic engineering

  • 2018 - 2021
    • •
  • 2 149 tis. Kč
    • •
  • 1 128 tis. Kč
    • •
  • MŠMT
Project

Computerized Measuring System for Analysis of Chosen Characteristics and Processes in Porous Environment by EIS Method (OE10002)

impedance spectrometry method for application in conditions of real environment of monitoring of electrical impedance of the porous environment and its changes caused with an indirect method of electrical impedance spectro...

JN - Stavebnictví

  • 2010 - 2012
    • •
  • 18 001 tis. Kč
    • •
  • 9 000 tis. Kč
    • •
  • MŠMT
Project

Impedance spectroscopy of objects with fractional dynamics New modeling approach (GA24-12982S)

The project responds to the incompleteness of the set of contemporary theoretical knowledge used to identify models of objects with fractional-order dynamics, which are studied by impedance spectroscopy (IS) and cyclic voltammetry (CV). The ...

Electrical and electronic engineering

  • 2024 - 2026
    • •
  • 7 788 tis. Kč
    • •
  • 6 969 tis. Kč
    • •
  • GA ČR
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