Main.java Source code

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//package com.java2s;
/*
 * Copyright (c) 2016 {UPRC}.
 *
 * OperandoApp is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * OperandoApp is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with OperandoApp.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Contributors:
 *       Nikos Lykousas {UPRC}, Constantinos Patsakis {UPRC}
 * Initially developed in the context of OPERANDO EU project www.operando.eu
 */

public class Main {
    private static final double DISTANCE_MHZ_M = 27.55;

    public static double calculateDistance(int frequency, int level) {
        return Math.pow(10.0, (DISTANCE_MHZ_M - (20 * Math.log10(frequency)) + Math.abs(level)) / 20.0);
    }
}