public void BbSignalsTestMethod2()
{
const int length = 1000;
const int expandSize = 100;
var input = new byte[length];
var output = new byte[length];
var gamma = new byte[length * expandSize];
var buffer = new double[length * BitsPerByte * expandSize];
Rng.GetBytes(input);
Rng.GetBytes(gamma);
double alpha = 1;
double betta = 1;
using (var bbSignals = new BbSignals(expandSize, true))
{
// Вычисление количества единиц в исходных данных и псевдослучайной последовательности
double trueData = BitCounter.Count(input);
double trueGamma = BitCounter.Count(gamma);
// Вычисление количества нулей в исходных данных и псевдослучайной последовательности
var falseData = (long)input.Length * BitsPerByte - trueData;
var falseGamma = (long)gamma.Length * BitsPerByte - trueGamma;
// Вычисление оценки количества единиц и нулей при смешивании исходных данных и псевдослучайной последовательности
var trueCount = trueGamma * falseData + falseGamma * trueData;
var falseCount = trueGamma * trueData + falseGamma * falseData;
Console.WriteLine("p0 = {0} p1 = {1}", trueCount / (trueCount + falseCount),
falseCount / (trueCount + falseCount));
betta = ((falseCount - trueCount) * alpha / (trueCount + falseCount));
Console.WriteLine("alpha = {0} betta = {1}", alpha, betta);
bbSignals.Combine(buffer, input, gamma, alpha, betta);
//////////////////////////////////////////////////
buffer = buffer.Select(x => x + 1).ToArray();
var e1 = buffer.Average();
var e2 = buffer.Average(x => x * x);
betta = e1;
alpha = Math.Sqrt(e2 - e1 * e1);
Console.WriteLine("alpha = {0} betta = {1}", alpha, betta);
bbSignals.Extract(buffer, output, gamma, alpha, betta);
/////////////////////////////////////////////////////////
}
Assert.IsTrue(input.SequenceEqual(output));
}
public void BbSignalsTestMethod1()
{
const int length = 1000;
const int expandSize = 100;
var input = new byte[length];
var output = new byte[length];
var gamma = new byte[length * expandSize];
var buffer = new double[length * BitsPerByte * expandSize];
Rng.GetBytes(input);
Rng.GetBytes(gamma);
double alpha = 1;
double betta = 1;
using (var bbSignals = new BbSignals(expandSize, true))
{
bbSignals.Combine(buffer, input, gamma, alpha, betta);
bbSignals.Extract(buffer, output, gamma, alpha, betta);
}
Assert.IsTrue(input.SequenceEqual(output));
}
