sdynpy.signal_processing.sdynpy_frf

Tools for computing frequency response functions

Copyright 2022 National Technology & Engineering Solutions of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with NTESS, the U.S. Government retains certain rights in this software.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.

Functions

delay_signal(times, signal, dt)

Delay a time signal by the specified amount

fft2frf(references, responses[, method])

Creates an FRF matrix given ffts of responses and references

modes2frf(frequencies, natural_frequencies, ...)

Compute Frequency Response Functions given modal properties

plot(H, f[, responses, references, real_imag])

sysmat2frf(frequencies, M, C, K[, frf_type])

Compute Frequency Response Functions given system matrices M, C, and K

timedata2frf(references, responses[, dt, ...])

Creates an FRF matrix given time histories of responses and references