Hi Labview users,
I collect data with a DAQ and store it in binary files just like in the ContAcq&GraphVoltage. There is a 'create header.vi' there which add to the binary file information about time and about the scaling parameters. You all must have seen how a file like this (and in particular the header) looks like after conversion to text:
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waveform [0] [1] [2]
t0 1/1/1904 02:00:00. 1/1/1904 02:00:00. 1/1/1904 02:00:00.
delta t 0.000100 0.000100 0.000100
time Y[0] Y[1] Y[2]
1/1/1904 02:00:00. 6.945491E-1 8.289447E-1 8.544058E-1
1/1/1904 02:00:00. 6.939045E-1 8.295893E-1 8.589178E-1
1/1/1904 02:00:00. 6.932599E-1 8.289447E-1 8.634299E-1
1/1/1904 02:00:00. 6.942268E-1 8.289447E-1 8.614962E-1
1/1/1904 02:00:00. 6.945491E-1 8.295893E-1 8.582733E-1
1/1/1904 02:00:00. 6.945491E-1 8.308785E-1 8.660083E-1
.....
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There are 2 questions I am dwelling on:
1. The first column does never change regardless the files regardless the date of the recordings. I suppose it should be the date but it;s always the same. The second column which corresponds to the clock(hour'minute'second) always starts from 02:00:00. Why not 00:00:00?
2. I would like to have the clock format only in miliseconds. First, it is more manageable , second, with the current format, Matlab has problems in separating data columns.
Do you have some solutions for me? I would very appreciate that.
Thank you in advance,
Dana