webit/fft

该包最新版本(1.0.0)没有可用的许可证信息。

Web-IT FFT 库

1.0.0 2015-05-09 09:58 UTC

This package is auto-updated.

Last update: 2024-09-20 22:07:50 UTC


README

FFT 和 IFFT 计算器

安装

通过 Composer

webit/fft 添加到 composer.json

{
    "require": {
        "php": ">=5.3.2",
        "webit/fft": "~1.0"
    }
}

用法

FFT

<?php
use Webit\Math\Fft\FftCalculatorRadix2;
use Webit\Math\Fft\Dimension;
use Webit\Math\ComplexNumber\ComplexArray;

// FFT
$calculator = new FftCalculatorRadix2();
$signal = ComplexArray::create(array(123, 456, 789, 1111));

$fft = $calculator->calculateFft($signal, Dimension::create(4)); // ComplexArray

IFFT

<?php
use Webit\Math\Fft\IFftCalculator;
use Webit\Math\Fft\FftCalculatorRadix2;
use Webit\Math\Fft\Dimension;
use Webit\Math\ComplexNumber\ComplexArray;

// FFT
$calculator = new IFftCalculator(new FftCalculatorRadix2());
$signal = ComplexArray::create(array(123, 456, 789, 1111));

$ifft = $calculator->calculateIFft($signal, Dimension::create(4)); // ComplexArray