w-fft

A tool for FFT.

!language

Documentation

To view documentation or get support, visit docs.

Example

To view some examples for more understanding, visit examples:
> spectrum1d: ex-spectrum1d.html [source code]

Installation

$3

> Note: w-fft is mainly dependent on ml-fft, lodash-es and wsemi.
``alias
npm i w-fft
`

#### Example for FFT1D and iFFT1D:
> Link: [dev source code]
`alias

let arr
let res

arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]
res = wf.fft1d(arr)
console.log(res)
// => [
// [ 120, 0 ],
// [ -8, 40.21871593700678 ],
// [ -8, 19.31370849898476 ],
// [ -7.999999999999999, 11.972846101323913 ],
// [ -8, 8 ],
// [ -8, 5.345429103354391 ],
// [ -8, 3.313708498984761 ],
// [ -7.999999999999999, 1.5912989390372623 ],
// [ -8, 0 ],
// [ -7.999999999999999, -1.5912989390372623 ],
// [ -8, -3.313708498984761 ],
// [ -8, -5.345429103354391 ],
// [ -8, -8 ],
// [ -7.999999999999999, -11.972846101323913 ],
// [ -8, -19.31370849898476 ],
// [ -8, -40.21871593700678 ]
// ]

arr = [
[120, 0],
[-8, 40.21871593700678],
[-8, 19.31370849898476],
[-7.999999999999999, 11.972846101323913],
[-8, 8],
[-8, 5.345429103354391],
[-8, 3.313708498984761],
[-7.999999999999999, 1.5912989390372623],
[-8, 0],
[-7.999999999999999, -1.5912989390372623],
[-8, -3.313708498984761],
[-8, -5.345429103354391],
[-8, -8],
[-7.999999999999999, -11.972846101323913],
[-8, -19.31370849898476],
[-8, -40.21871593700678]
]
res = wf.ifft1d(arr)
console.log(res)
// => [
// 0, 1,
// 2, 3.0000000000000018,
// 4, 5.000000000000002,
// 6, 7,
// 8, 9,
// 10, 10.999999999999998,
// 12, 12.999999999999998,
// 14, 15
// ]

`

$3

> Note: w-fft does not dependent on any package.

Add script for w-fft.
`alias


``