M2M ndt phased array for non destructive testing NDT
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M2M

phased-array technologies

Total Focusing Method (TFM)

TFM is a signal processing algorithm using data acquired in FMC mode. A computation zone is specified for the data reconstruction. This zone is meshed, and for each point on this grid, the focal-laws are calculated for the entire set of elements of the phased-array probe. All recorded signals are time-shifted accordingly before summation at every point of the grid. The loop ends when the reconstruction is done for every point of the mesh.

  

 

  

 


 
 

Acquisition-FMC-ReconstructionTFM-©M2M-2016

  


 

  

Advantages and Complementarity of Phased Array Technology & Total Focusing Method

 

 

Data

The TFM algorithm uses all signals recorded using the FMC data acquisition mode , available on M2M systems.