fft

Performs a Fast Fourier Transform on supplied vector. The number of points used is the next binary power higher than the length of argument 1.

Arguments

Number	Type	Compulsory	Default	Description
1	real array	Yes		vector
2	string	No	'Hanning'	window function

Argument 2

Values are either 'Hanning' (default) or 'None'.

Returns

Return type: complex array

Notes

Simulator ▶ Choose Analysis... dialog box) or you must interpolate the results using the Interp function. The FFT plotting menu items run a script which interpolate the data if it detects that the results are unevenly spaced. Use of these menus does not require special consideration by the user.

▲Function Summary▲
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