Full Matrix Capture
Full Matrix Capture describes a pulse/receive method used in data acquisition with a phased array probe. Once captured, the data is then streamed to the PC where software processes the data through a real-time imaging algorithm (e.g. Total Focusing Method).
The diagram below illustrates the basic pattern performed by FMC. The orange box represents a pulsing element and the purple boxes represent receiving elements. In Cycle 1, the first element pulses, and then all of the elements (including the first) receive the raw A-scans in parallel without beamforming in the hardware. The process is repeated in Cycle 2, only the second element pulses and all elements receive. This pattern is repeated in Cycle 3 and so on until each and every element has been cycled through. To give an idea of the amount of data this process captures, one FMC capture for an OEM-PA 64/64 would result in 64^2 = 4096 raw A-scans.
Total Focusing Method
Total Focusing Method or TFM is a post-processing technique that utilizes the vast amount of data captured through FMC.
Our latest breakthrough in TFM allows:
- Conventional TFM
- Migration TFM
- Advanced TFM
By comparing the phased array scan image below with the image of the aluminum block used for the scan, the high resolution offered by TFM is easy to see.