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Question
Why the calculation of natural frequency(eigenvalue) by FEM(finite element method) do not converged while the elements growth?
*Problem Introduction:* I want to calculate the natural frequency(eigenvalue) of the pipe conveying flowing fluid based on t...
8 years ago | 0 answers | 0
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answersQuestion
How to estimate the signal frequency without FFT by Matlab?
I have a sinusoid signal with SNR=60dB. I estimate the signal frequency by the function " fit " in Matlab and the result is near...
8 years ago | 0 answers | 0
