pyOMA.core.ERA.ERA#

class pyOMA.core.ERA.ERA(prep_signals)[source]#

Bases: object

__init__(prep_signals)[source]#

channel definition: channels start at 0

Methods

CalculateFRF()

function by anil FRF(Frequency response function) is convertion of signal from time to frequency domain.

__init__(prep_signals)

channel definition: channels start at 0

build_hankel_matrix(num_block_columns)

author: Anil Constructs a shifted hankel matrix.

compute_modal_params([max_model_order])

compute_state_matrices([max_model_order])

load_state(fname, prep_signals)

remove_conjugates_new(eigval, eigvec_r[, ...])

removes conjugates

rescale_mode_shape(modeshape)

save_state(fname)

CalculateFRF()[source]#

function by anil FRF(Frequency response function) is convertion of signal from time to frequency domain. The following function performs this conversion.

build_hankel_matrix(num_block_columns)[source]#

author: Anil Constructs a shifted hankel matrix.

compute_state_matrices(max_model_order=None)[source]#
static remove_conjugates_new(eigval, eigvec_r, eigvec_l=None)[source]#

removes conjugates

eigvec_l.shape = [order+1, order+1] eigval.shape = [order+1,1]