public void TestWienerFilteringNoNoise()
{
var filter = new WienerFilter(3, 0.1);
var input = new[] { 5, 4, 6, 2, 1f };
var expected = new[] { 4.95714286f, 4.15f, 5.925f, 2.02142857f, 1 };
var filtered = filter.ApplyTo(new DiscreteSignal(1, input));
Assert.That(filtered.Samples, Is.EqualTo(expected).Within(1e-5));
}
public void TestWienerFilteringBigNoise()
{
var filter = new WienerFilter(3, 1000);
var input = new[] { 5, 4, 6, 2, 1f };
var expected = new[] { 3, 5, 4, 3, 1f };
var filtered = filter.ApplyTo(new DiscreteSignal(1, input));
Assert.That(filtered.Samples, Is.EqualTo(expected).Within(1e-10));
}