let n = 10,
omega_gr = 2500,
N = 14,
signals = [],
random_min = 1, // for random function
random_max = 10, //
Ai, Fi;
for (let i = 0; i < N; i++) {
Ai = randomInteger(random_min, random_max);
Fi = randomInteger(random_min, random_max);
for (let j = 0; j < n; j++) {
signals.push(Math.round(Ai * Math.sin(((omega_gr * (i + 1)) / n) * j + Fi)));
}
}
function randomInteger(min, max) {
let rand = min - 0.5 + Math.random() * (max - min + 1);
return Math.round(rand);
}