Exemple #1
0
 private MWNumericArray[][] wrap_func(int num, int ray_num, Transmitter.EMIT_OPTION emit_opt, Signal_Type signal_type, int sample_cnt)
 {
     MWNumericArray[][] signals = new MWNumericArray[num][];
     while (num-- > 0)
     {
         foreach (Transmitter trans in this.viz_rps.Map.Transmitters)
         {
             trans.Reset();
             trans.EmitRays(ray_num, emit_opt);   //各发射机辐射波束
             foreach (Receiver rec in this.viz_rps.Map.Receivers)
             {
                 rec.Reset();
                 if (this.viz_rps.Map.IsLOS(trans.Location, rec.Location))    //若存在LOS情况
                 {
                     LineSegment segLOS = new LineSegment(trans.Location, rec.Location);
                     Ray rayLOS = new Ray(trans, new LineSegment[] { segLOS }, segLOS.DirectionRadian, trans.CenterFrequency, trans.EmitPower * trans.Gain, trans.EmitPower * trans.Gain, true);
                     rec.AcceptRay(rayLOS, this.viz_rps.Map);
                 }
             }
             foreach (Ray ray in trans.Rays)  //更新每条ray, 若被接收,则更新接收它的接收机
             {
                 Receiver rec = null;
                 while (!ray.Update(this.viz_rps.Map, out rec)) ;
                 if (rec != null)
                     rec.AcceptRay(ray, this.viz_rps.Map);
             }
         }
         FingerprintGenerator fg = new FingerprintGenerator();
         Dictionary<Fingerprint_Name, Fingerprint> result = new Dictionary<Fingerprint_Name, Fingerprint>();
         List<double>[] ray_angles = new List<double>[this.viz_rps.Map.ReceiverCount];
         List<double>[] ray_strengths = new List<double>[this.viz_rps.Map.ReceiverCount];
         List<double>[] ray_taus = new List<double>[this.viz_rps.Map.ReceiverCount];
         int kk = 0;
         foreach (Receiver rec in this.viz_rps.Map.Receivers)
         {
             ray_angles[kk] = new List<double>();
             ray_strengths[kk] = new List<double>();
             ray_taus[kk] = new List<double>();
             foreach (Ray ray in rec.Rays)
             {
                 ray_angles[kk].Add(ray.CurrentDirection);
                 ray_strengths[kk].Add(ray.FadedPower(this.viz_rps.Map.MeterPixelRatio));
                 ray_taus[kk].Add(ray.GetLifeSpan(this.viz_rps.Map.MeterPixelRatio));
             }
             kk++;
         }
         double[] args = null;
         switch (signal_type)
         {
             case Signal_Type.PSEUDO_DOPPLER:
                 //if (this.receivers.First().Value.Antenna.AntType != AntennaType.PSEUDO_DOPPLER)
                 //    return null;
                 Antenna_PseudoDoppler ant = this.viz_rps.Map.receivers.First().Value.Antenna as Antenna_PseudoDoppler;
                 args = fg.PackArgs_PseudoDoppler(this.viz_rps.Map.receivers.First().Value.FrequencyLow, this.viz_rps.Map.receivers.First().Value.CenterFrequency,
                                                  this.viz_rps.Map.receivers.First().Value.SampleFrequency, ant.SwitchFrequency, ant.Radius, ant.AntennaNumber);
                 break;
         }
         signals[num - 1] = new MWNumericArray[ray_angles.GetLength(0)];
         for (int i = 0; i < signals.Length; i++)
         {
             signals[num - 1][i] = new FingerprintGenerator().GenerateSignal_MW(signal_type, ray_angles[i].ToArray(), ray_strengths[i].ToArray(), ray_taus[i].ToArray(), sample_cnt, args);
         }
     }
     return signals;
 }
Exemple #2
0
        private void AutoTest(object sender, DoWorkEventArgs e)
        {
            object[] param = (object[])e.Argument;
            int avg_cnt = (int)param[0];
            int KNN_K = (int)param[1];
            int KNNHC_K = (int)param[2];
            string db_file_name = (string)param[3];
            string data_file_name = (string)param[4];
            double start_snr = (double)param[5];
            double stop_snr = (double)param[6];
            double step_snr = (double)param[7];
            int ray_num = (int)param[8];
            Transmitter.EMIT_OPTION emit_opt = (Transmitter.EMIT_OPTION)param[9];
            Noise_Type noise_type = (Noise_Type)param[10];
            double alpha = (double)param[11];
            int sample_cnt = (int)param[12];
            Signal_Type signal_type = (Signal_Type)param[13];

            System.IO.FileStream data_fs = new FileStream(data_file_name, FileMode.Create, FileAccess.Write, FileShare.Read);

            System.Runtime.Serialization.IFormatter formatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
            FileStream fs = new FileStream(db_file_name, FileMode.Open, FileAccess.Read, FileShare.Read);
            FingerprintDataBase fdb = (FingerprintDataBase)formatter.Deserialize(fs);
            fs.Close();

            Point pt_real = new Point();
            foreach (Transmitter trans in this.viz_rps.Map.Transmitters)
                pt_real = trans.Location;

            double[] snrs = new double[(int)((stop_snr - start_snr) / step_snr) + 1];
            for(int i = 0; i < snrs.Length; i++)
                snrs[i] = start_snr + i * step_snr;

            foreach (Transmitter trans in this.viz_rps.Map.Transmitters)
            {
                trans.Reset();
                trans.EmitRays(ray_num, emit_opt);   //各发射机辐射波束
                foreach (Receiver rec in this.viz_rps.Map.Receivers)
                {
                    rec.Reset();
                    if (this.viz_rps.Map.IsLOS(trans.Location, rec.Location))    //若存在LOS情况
                    {
                        LineSegment segLOS = new LineSegment(trans.Location, rec.Location);
                        Ray rayLOS = new Ray(trans, new LineSegment[] { segLOS }, segLOS.DirectionRadian, trans.CenterFrequency, trans.EmitPower * trans.Gain, trans.EmitPower * trans.Gain, true);
                        rec.AcceptRay(rayLOS, this.viz_rps.Map);
                    }
                }
                foreach (Ray ray in trans.Rays)  //更新每条ray, 若被接收,则更新接收它的接收机
                {
                    Receiver rec = null;
                    while (!ray.Update(this.viz_rps.Map, out rec)) ;
                    if (rec != null)
                        rec.AcceptRay(ray, this.viz_rps.Map);
                }
            }
            FingerprintGenerator fg = new FingerprintGenerator();
            Dictionary<Fingerprint_Name, Fingerprint> result = new Dictionary<Fingerprint_Name, Fingerprint>();
            List<double>[] ray_angles = new List<double>[this.viz_rps.Map.ReceiverCount];
            List<double>[] ray_strengths = new List<double>[this.viz_rps.Map.ReceiverCount];
            List<double>[] ray_taus = new List<double>[this.viz_rps.Map.ReceiverCount];
            int kk = 0;
            foreach (Receiver rec in this.viz_rps.Map.Receivers)
            {
                ray_angles[kk] = new List<double>();
                ray_strengths[kk] = new List<double>();
                ray_taus[kk] = new List<double>();
                foreach (Ray ray in rec.Rays)
                {
                    ray_angles[kk].Add(ray.CurrentDirection);
                    ray_strengths[kk].Add(ray.FadedPower(this.viz_rps.Map.MeterPixelRatio));
                    ray_taus[kk].Add(ray.GetLifeSpan(this.viz_rps.Map.MeterPixelRatio));
                }
                kk++;
            }
            double[] args = null;
            switch (signal_type)
            {
                case Signal_Type.PSEUDO_DOPPLER:
                    //if (this.receivers.First().Value.Antenna.AntType != AntennaType.PSEUDO_DOPPLER)
                    //    return null;
                    Antenna_PseudoDoppler ant = this.viz_rps.Map.receivers.First().Value.Antenna as Antenna_PseudoDoppler;
                    args = fg.PackArgs_PseudoDoppler(this.viz_rps.Map.receivers.First().Value.FrequencyLow, this.viz_rps.Map.receivers.First().Value.CenterFrequency,
                                                     this.viz_rps.Map.receivers.First().Value.SampleFrequency, ant.SwitchFrequency, ant.Radius, ant.AntennaNumber);
                    break;
            }
            MWNumericArray[] signals = new MWNumericArray[ray_angles.GetLength(0)];
            for (int i = 0; i < signals.Length; i++)
            {
                signals[i] = new FingerprintGenerator().GenerateSignal_MW(signal_type, ray_angles[i].ToArray(), ray_strengths[i].ToArray(), ray_taus[i].ToArray(), sample_cnt, args);                
            }

            for (int n = 0; n < snrs.Length; n++)
            {
                double[] sum_errs = new double[6];//SA_single, SA_KNN, SA_KNNHC, S_single, S_KNN, S_KNNHC
                for(int i = 0; i < avg_cnt; i++)
                {
                    MWNumericArray[] n_signals = new MWNumericArray[signals.Length];
                    for (int l = 0; l < signals.Length; l++)
                    {
                        n_signals[l] = new FingerprintGenerator().AddNoise_MW(noise_type, signals[l], new double[] { snrs[n] });
                    }
                    Dictionary<Fingerprint_Name, Fingerprint> res = new Dictionary<Fingerprint_Name,Fingerprint>();
                    for (int j = 0; j < Enum.GetNames(new Fingerprint_Name().GetType()).Length; j++ )
                        res[(Fingerprint_Name)j] = new FingerprintGenerator().GenerateFingerprint(signal_type, (Fingerprint_Name)j, n_signals, args);
                    this.current_fingerprint = res;

                    //SA_single
                    PointF loc_SA_single = fdb.MatchLocation(this.current_fingerprint[Fingerprint_Name.SA], FingerprintDataBase.Match_Strategy.Single, null);
                    sum_errs[0] += new MathUtils.MathUtility().point_dist(pt_real, loc_SA_single);

                    //SA_KNN
                    PointF loc_SA_KNN = fdb.MatchLocation(this.current_fingerprint[Fingerprint_Name.SA], FingerprintDataBase.Match_Strategy.KNN, new double[] { KNN_K });
                    sum_errs[1] += new MathUtils.MathUtility().point_dist(pt_real, loc_SA_KNN);

                    //SA_KNNHC
                    PointF loc_SA_KNNHC = fdb.MatchLocation(this.current_fingerprint[Fingerprint_Name.SA], FingerprintDataBase.Match_Strategy.KNN_HC, new double[] { KNNHC_K });
                    sum_errs[2] += new MathUtils.MathUtility().point_dist(pt_real, loc_SA_KNNHC);

                    //S_single
                    PointF loc_S_single = fdb.MatchLocation(this.current_fingerprint[Fingerprint_Name.S], FingerprintDataBase.Match_Strategy.Single, null);
                    sum_errs[3] += new MathUtils.MathUtility().point_dist(pt_real, loc_S_single);

                    //S_KNN
                    PointF loc_S_KNN = fdb.MatchLocation(this.current_fingerprint[Fingerprint_Name.S], FingerprintDataBase.Match_Strategy.KNN, new double[] { KNN_K });
                    sum_errs[4] += new MathUtils.MathUtility().point_dist(pt_real, loc_S_KNN);

                    //S_KNNHC
                    PointF loc_S_KNNHC = fdb.MatchLocation(this.current_fingerprint[Fingerprint_Name.S], FingerprintDataBase.Match_Strategy.KNN_HC, new double[] { KNNHC_K });
                    sum_errs[5] += new MathUtils.MathUtility().point_dist(pt_real, loc_S_KNNHC);

                    bgAutoTest.ReportProgress((int)((n * avg_cnt + i + 1) / (double)(avg_cnt * snrs.Length) * 100));
                    System.Threading.Thread.Sleep(200);
                }

                for (int m = 0; m < sum_errs.Length; m++ )
                {
                    double err = sum_errs[m] / avg_cnt;
                    byte[] tmp = Encoding.ASCII.GetBytes(err.ToString("0.00") + "\t");
                    data_fs.Write(tmp, 0, tmp.Length);
                }
                byte[] rn = Encoding.ASCII.GetBytes("\r\n");
                data_fs.Write(rn, 0, rn.Length);
            }

            data_fs.Close();
            e.Result = true;
        }
Exemple #3
0
        /// <summary>
        /// 运行单次仿真
        /// </summary>
        public Dictionary<Fingerprint_Name, Fingerprint> RunSingleSimulation(int num_rays, Transmitter.EMIT_OPTION emit_option, Signal_Type signal_type,
                                                 Noise_Type noise_type, double[] noise_params, int N)
        {
            foreach(Transmitter trans in this.Transmitters)
            {
                trans.Reset();
                trans.EmitRays(num_rays, emit_option);   //各发射机辐射波束
                foreach(Receiver rec in this.Receivers)
                {
                    rec.Reset();
                    if(this.IsLOS(trans.Location, rec.Location))    //若存在LOS情况
                    {
                        LineSegment segLOS = new LineSegment(trans.Location, rec.Location);
                        Ray rayLOS = new Ray(trans, new LineSegment[] { segLOS }, segLOS.DirectionRadian, trans.CenterFrequency, trans.EmitPower * trans.Gain, trans.EmitPower * trans.Gain, true);
                        rec.AcceptRay(rayLOS, this);
                    }
                }
                foreach(Ray ray in trans.Rays)  //更新每条ray, 若被接收,则更新接收它的接收机
                {
                    Receiver rec = null;
                    while (!ray.Update(this, out rec)) ;
                    if (rec != null)
                        rec.AcceptRay(ray, this);
                }
            }

            FingerprintGenerator fg = new FingerprintGenerator();
            Dictionary<Fingerprint_Name, Fingerprint> result = new Dictionary<Fingerprint_Name,Fingerprint>();
            List<double>[] ray_angles = new List<double>[this.receivers.Count];
            List<double>[] ray_strengths = new List<double>[this.receivers.Count];
            List<double>[] ray_taus = new List<double>[this.receivers.Count];
            int i = 0;
            foreach(Receiver rec in this.Receivers)
            {
                ray_angles[i] = new List<double>();
                ray_strengths[i] = new List<double>();
                ray_taus[i] = new List<double>();
                foreach(Ray ray in rec.Rays)
                {
                    ray_angles[i].Add(ray.CurrentDirection);
                    ray_strengths[i].Add(ray.FadedPower(this.MeterPixelRatio));
                    ray_taus[i].Add(ray.GetLifeSpan(this.MeterPixelRatio));
                }
                i++;
            }
            double[] args = null;
            switch (signal_type)
            {
                case Signal_Type.PSEUDO_DOPPLER:
                    if (this.receivers.First().Value.Antenna.AntType != AntennaType.PSEUDO_DOPPLER)
                        return null;
                    Antenna_PseudoDoppler ant = this.receivers.First().Value.Antenna as Antenna_PseudoDoppler;
                    args = fg.PackArgs_PseudoDoppler(this.receivers.First().Value.FrequencyLow, this.receivers.First().Value.CenterFrequency,
                                                     this.receivers.First().Value.SampleFrequency, ant.SwitchFrequency, ant.Radius, ant.AntennaNumber);
                    break;
            }
            for (int j = 0; j < Enum.GetNames(new Fingerprint_Name().GetType()).Length; j++ )
                result[(Fingerprint_Name)j] = fg.SingleFingerprintSim(signal_type, noise_type, noise_params, (Fingerprint_Name)j, ray_angles, ray_strengths, ray_taus,
                                                 N, args);
            return result;
        }