 # Bioinstrumentation Anonymous
timer Asked: Nov 7th, 2018
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### Question Description

this is the exam of Bioinstrumentation and i need you to solve them carefully.

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## Tutor Answer

Ace_Tutor
School: University of Virginia   attached is my answer

Problem 1:
What is happening is that the expected signal has a much smaller wavelength than that of the
measured signal. A practical technique to apply a probability based meaning of the importance
is recommended in this note. Flag and foundation commitments are resolved from a likelihood
to fit dependent on shapes just, and the likelihood thickness disseminations of the
noteworthiness along these lines decided are observed to be of a Gaussian shape even with
little measurements.
Problem 2:
a) In terms of accuracy, the percentage difference is calculated by

%error =

2 mV − 2.25 mV

100%
2.25 mV
0.25 mV
 %error =
100%
2.25 mV
 %error = 11.1%
b) If we take 5 measurements and obtain 2 mV each time; in terms of accuracy and precision, it
means that the surface EMG response is measured with the per cent error of 11% most of the
time.
Problem 3:
a) The approximate sensitivities of sensor A are calculated by

slope =

3 − ( −2 )
5 − ( −5 )

5
10
1
 slope =
2
 slope =

The approximate sensitivities of sensor B are calculated by

slope =

3 − ( −2 )
5 − ( −5 )

...

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