highpower

highpower(y, n, /, axis=- 1)[source]

Select only the highest power frequencies. Useful for crudely reducing noise.

Parameters
  • y (numpy.array-like) – The data.

  • n (int) – The integer number of frequencies to select.

  • axis (int, optional) – Axis along which the power is computed.

Returns

array-like – The filtered data.