Get the discrete frequencies of the power spectrum of a regularly sampled timeseries.
GetNu.RdGet the discrete frequencies of the power spectrum of a regularly sampled timeseries.
Arguments
- T
length of a finite time series, e.g. 1e04
- delta_t
sampling frequency of the sediment core / climate timeseries
Examples
GetNu(1e04, 100)
#> [1] -0.0050 -0.0049 -0.0048 -0.0047 -0.0046 -0.0045 -0.0044 -0.0043 -0.0042
#> [10] -0.0041 -0.0040 -0.0039 -0.0038 -0.0037 -0.0036 -0.0035 -0.0034 -0.0033
#> [19] -0.0032 -0.0031 -0.0030 -0.0029 -0.0028 -0.0027 -0.0026 -0.0025 -0.0024
#> [28] -0.0023 -0.0022 -0.0021 -0.0020 -0.0019 -0.0018 -0.0017 -0.0016 -0.0015
#> [37] -0.0014 -0.0013 -0.0012 -0.0011 -0.0010 -0.0009 -0.0008 -0.0007 -0.0006
#> [46] -0.0005 -0.0004 -0.0003 -0.0002 -0.0001 0.0000 0.0001 0.0002 0.0003
#> [55] 0.0004 0.0005 0.0006 0.0007 0.0008 0.0009 0.0010 0.0011 0.0012
#> [64] 0.0013 0.0014 0.0015 0.0016 0.0017 0.0018 0.0019 0.0020 0.0021
#> [73] 0.0022 0.0023 0.0024 0.0025 0.0026 0.0027 0.0028 0.0029 0.0030
#> [82] 0.0031 0.0032 0.0033 0.0034 0.0035 0.0036 0.0037 0.0038 0.0039
#> [91] 0.0040 0.0041 0.0042 0.0043 0.0044 0.0045 0.0046 0.0047 0.0048
#> [100] 0.0049 0.0050