We have a Resistivity measurement Labview(4.0).And we measure the Resistivity of our sample using this Program.The working principle for the measurement is the Vander Paw Effect. The problem is with the Determination of the Shear Factor(F) and the another value Q ( which is just a ratio of Voltages).
I have discovered that the program(it is a standard Purchased Software) instead of using the Q calculated in the program uses some predetermined array Q and the nearest value to the actual calculated Q is picked up from this array.The index is remembered and from the corresponding index in the F array( the SHEAR FACTOR) it picks the shear factor.This also takes a lot of time even though all the calculation are being done at roo
m temperature.Could anyone explain the Logic please.
Thanks in advance
Utpal
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