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vu ngothanh


Last seen: mer än ett år ago |  Active since 2015

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Efficient way to reduce noise from load cell data DAQ?
Dear all, I use DAQ to get data from Loadcell. However, the signal wave have many unnecessary waves (picture 1). I want to re...

mer än 8 år ago | 1 answer | 0

1

answer

Question


Problem with convert acceleration to velocity and displacement
Hi everyone, I used DAQ to get acceleration, however, when I convert accleration to velocity and displacement (using 'cumtrap...

mer än 8 år ago | 2 answers | 0

2

answers

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get matrix in parfor
Dear all, I have this code result=[] for m=1:10 for k=1:100 for c=1:50 a=m+k*c; ...

mer än 8 år ago | 1 answer | 0

1

answer

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How to stem positive part of wave?
Hi everyone, I have a wave data, I need to show dispersion wave, so I need to "Stem" a "positive part" of the wave (look like...

nästan 9 år ago | 1 answer | 0

1

answer

Question


How to compute phase velocity and wavelength of signal
Dear all, I have a matrix which contain 3 columns: time and amplitude of 2 acceleration. These value is get from acceleration...

ungefär 9 år ago | 1 answer | 0

1

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How to get mobility from velocity and force
Dear all, I have a data of velocity (get from accelerometer) and force data (get from hammer). Now, I need to get mobility fr...

mer än 9 år ago | 2 answers | 0

2

answers

Question


Change frequency level after filter
<</matlabcentral/answers/uploaded_files/30866/Capture.PNG>> First grahp í the source data. After I filter it, I got the grahp...

mer än 9 år ago | 1 answer | 0

1

answer

Question


Find the max amplitude of Frequency from text file
I have a text file like this 0.000000,-1.721511E-5,-2.869001E-5 3.906250E-5,-1.859251E-5,-3.247638E-5 7.812500E-5,-2....

mer än 9 år ago | 2 answers | 0

2

answers

Question


Differentiation Equation- result of Derivative-Multi variable
I have math like this: L=5 x=5*L^2 %x=125 I need to have a result of y; y=diff(x)=50 Mr. Mischa has just help me...

mer än 9 år ago | 1 answer | 0

1

answer

Question


Differentiation Equation- result of Derivative
I have i math like this: L=5 x=5*L^2 %x=125 I need to have a result of y; y=diff(x)=50 What is the code that...

mer än 9 år ago | 1 answer | 0

1

answer

Answered
Partial differentiation-Multiple syms derivative x and y
Thanks you very much.

mer än 9 år ago | 0

Answered
Partial differentiation-Multiple syms derivative x and y
Thank you for your help. But, your link just solved the diff of x, while I need diff in both x and y. Can you help me again. ...

mer än 9 år ago | 0

Question


Partial differentiation-Multiple syms derivative x and y
I have a eq. like this y=cosh(L*x)*cos(L*y) (1) What is the code that I must do if I want to have a result like...

mer än 9 år ago | 4 answers | 0

4

answers