Digital Signal Processing, English: Digital Signal Processing, abbreviated as DSP, is a professional basic course for electronic information disciplines. Its basic concepts and basic analysis methods have penetrated into information and communication engineering, circuits and systems, and integrated circuit engineering. Biomedical engineering, physical electronics, navigation, guidance and control, electromagnetic field and microwave technology, hydroacoustic engineering, electrical engineering, power engineering, aeronautical engineering, environmental engineering and other fields.
Digital signal processing problems are ubiquitous, and information science has penetrated into all modern natural and social science fields. We should be proficient in basic theories and basic analysis methods, and use these classic theories to analyze, explain and calculate signals, systems and their mutual constraints.
<?php
require_once(__DIR__ . '/../vendor/autoload.php');
// Let's consider some really basic examples.
echo '<pre>';
// Adding up elements in an array. But wait! First we need an array...
// Let's get a random sample of 50 values, in the range 0, 100.
$random = NumbersPHP\Statistic::randomSample(0, 100, 50);
echo 'Random = {' . implode(', ', $random) . "}\n";
// Add them up...
$sum = NumbersPHP\Basic::sum($random);
echo 'Sum of Random = ' . $sum . "\n";
// We can do some other cool stuff as well. Like find the GCD between
// two integers.
$gcd = NumbersPHP\Basic::gcd(100, 10);
echo 'GCD amongst 100 and 10 = ' . $gcd;
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