How to plot individual A-Scans from the Tx element and Rx element numbers from FMC data.

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Alan Keenan
Alan Keenan 2020-6-15
回答： Ajay Pattassery 2020-7-23
I have a Matrix, it is 16384 x 1308.
This is 16384 rows and 1308 columns.
The rows are all amplitudes and the columns are all discrete time intervals. (each time interval is 20ns)
The rows are all A-Scans from a 128 ultrasonic transducer.
I assume that:
Row 1 = Tx1 Rx1
Row 2 = Tx1 Rx2
Row 3 = Tx1 Rx3
#
#
#
Row 128 = Tx1 Rx128
Row 129 = Tx2 Rx1
Row 130 = Tx2 Rx2
#
#
Row 16384 = Tx128 Rx128
I can plot each row number without any problem, e.g.
I would like to be able to ask the user to input the Tx element number and then the Rx element number and the plot the appropriate row number.
Any ideas?

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回答（1 个）

Ajay Pattassery
Ajay Pattassery 2020-7-23
Let Tx holds the Tx element number and Rx holds Rx element number.
Also assume the given matrix of dimension 16384 x 1308 as aScanMatrix.
modIndex = (Tx-1)*128 + Rx;
aScan = aScanMatrix(modIndex,:);
plot(aScan);

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