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Question
Fourier transform-normalizing
Dear All, I confused with the normalizing and scaling of power spectral density. Below is my computation procedure, Data l...
10 years ago | 0 answers | 0
0
answersQuestion
FFT variance and spectral density
Hi, I would like to understand the relationship between variance and spectral density. Below is my source code, a=1:1:10 ...
10 years ago | 1 answer | 0
1
answerQuestion
FFT on unequal spaced data.
Hi, What is the effect of apply FFT on unequal space data? The frequency domain will also unequally spaced? Why some of the...
10 years ago | 1 answer | 0
1
answerQuestion
Fast fourier transform (FFT) data points
Dear All, I have a set of data with length of 17520 data points. I wish to know is that necessary to follow the rule of 2^n ...
10 years ago | 1 answer | 0
1
answerNonlinear regression initial parameter estimates
Hi, Sorry for late reply. I will upload the data after i process the data. Thank you.
10 years ago | 0
Question
Nonlinear regression initial parameter estimates
Dear all, Attached is my data for nonlinear regression. I need help to get the initial parameter estimates. The model is Y...
10 years ago | 1 answer | 0
1
answerQuestion
FFT-DC and Nyquist components
Dear All, I compute the power spectrum using FFT. Sampling frequency = 10 Hz Data length = 16384 Nyquist frequency = 5 H...
10 years ago | 1 answer | 0
