private void button2_Click(object sender, EventArgs e)
{
EraseGraph();
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string FileName;
int datalength = 0;
double dataB_avg = 0;
double dataB_avgAbs = 0;
//double[] dataA;
FileName = openFileDialog1.FileName;
//openFileDialog1.FileName = "*.txt";
if (openFileDialog1.FilterIndex == 0)
{
/*StreamReader sr = new StreamReader(FileName, Encoding.ASCII);
* // int nextChar = sr.Read();
* // nextChar = sr.Read();
* // nextChar -= 0x30;
* // 全部读完
* string restOfStream = sr.ReadToEnd();
* sr.Dispose();
* datalength = (restOfStream.Length - 6) / 6;
* // label4.Text = Convert.ToString(nextChar);
* //处理数据,计算平均值
* // float dataA_avg = 0;
* dataA = new double[datalength];
* byte[] tmp = new byte[4];
* for (int i = 0; i < datalength; i++)
* {
* tmp[0] = (byte)restOfStream[3 + i * 6];
* tmp[1] = (byte)restOfStream[3 + i * 6 + 1];
* tmp[2] = (byte)restOfStream[3 + i * 6 + 3];
* tmp[3] = (byte)restOfStream[3 + i * 6 + 4];
*
* for (int j = 0; j < 4; j++)
* {
*
* if (tmp[j] > 96 && tmp[j] < 103)
* tmp[j] = (byte)((int)tmp[j] - 87);
* else if (tmp[j] > 64 && tmp[j] < 71)
* tmp[j] = (byte)((int)tmp[j] - 55);
* else if (tmp[j] > 47 && tmp[j] < 58)
* tmp[j] = (byte)((int)tmp[j] - 48);
* }
*
* dataA[i] = 0;
* for (int j = 0; j < 4; j++)
* dataA[i] = (dataA[i] * 0x10 + tmp[j]);
*
* dataA_avg += dataA[i] / datalength;
* }*/
}
else
{
FileStream fs = new FileStream(FileName, FileMode.Open);
datalength = (int)(fs.Length - 2) / 2 - cutNum;
dataB = new double[datalength];
byte[] data = new byte[datalength * 2];
fs.Seek(cutNum + 1, SeekOrigin.Begin);//跳过第一个字符
fs.Read(data, 0, datalength * 2);
fs.Dispose();
// byte[] adata = new byte[datalength * 2];
// adata = data;
//data_B = adata;
for (int i = 0; i < datalength; i++)
{
dataB[i] = (double)(data[2 * i] * 0x100 + data[2 * i + 1]);
}
dataB_avg = 0;
for (int i = 0; i < datalength; i++)
{
dataB_avg += dataB[i] / datalength;
}
}
for (int i = 0; i < datalength; i++)
{
dataB[i] = (dataB[i] - dataB_avg) / dataB_avg;
}
//B平均幅值
for (int i = 0; i < datalength; i++)
{
dataB_avgAbs += System.Math.Abs(dataB[i]) / datalength;
}
textBoxAvgB.Text = dataB_avgAbs.ToString();
//保存数据
WaterLeak.set_DataLength(datalength);
WaterLeak.set_DataB(dataB);
WaterLeak.set_DataB_Avg(dataB_avg);
//画图形
/*panel2.Controls.Clear();
*
* ZedGraphControl zed2 = new ZedGraphControl();
* zed2.Width = MasterPane.Width;
* zed2.Height = MasterPane.Height;
* panel2.Controls.Add(zed2);
*
* GraphPane Pane = zed2.GraphPane;*/
/*Pane.Title = "数据B";
* Pane.XAxis.Title = "点数";
* Pane.YAxis.Title = "信号强度";*/
for (int i = 0; i < datalength; i++)
{
listB.Add(i, dataB[i]);
}
//LineItem myCurve = Pane.AddCurve("Porsche", list, Color.Blue, SymbolType.None);
//zed2.AxisChange();
//开启状态使能
button3.Enabled = true;
}
}
private void button1_Click(object sender, EventArgs e)
{
EraseGraph();
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
string FileName;
int datalength = 0;
double dataA_avg = 0;
double dataA_avgAbs = 0;
//double[] dataA;
FileName = openFileDialog1.FileName; //选取的文件
//openFileDialog1.FileName = "*.txt";
if (openFileDialog1.FilterIndex == 0) //文件筛选器的索引，第一项
{
StreamReader sr = new StreamReader(FileName, Encoding.ASCII); //输入流用于从外部源读取数据
// int nextChar = sr.Read();
// nextChar = sr.Read();
// nextChar -= 0x30;
// 全部读完
string restOfStream = sr.ReadToEnd(); //从流的当前位置到末尾读取流。
datalength = (restOfStream.Length - 6) / 6;
// label4.Text = Convert.ToString(nextChar);
//处理数据,计算平均值
byte[] tmp = new byte[4];
dataA = new double[datalength];
for (int i = 0; i < datalength; i++)
{
tmp[0] = (byte)restOfStream[3 + i * 6];
tmp[1] = (byte)restOfStream[3 + i * 6 + 1];
tmp[2] = (byte)restOfStream[3 + i * 6 + 3];
tmp[3] = (byte)restOfStream[3 + i * 6 + 4];
for (int j = 0; j < 4; j++)
{
if (tmp[j] > 96 && tmp[j] < 103)
{
tmp[j] = (byte)((int)tmp[j] - 87);
}
else if (tmp[j] > 64 && tmp[j] < 71)
{
tmp[j] = (byte)((int)tmp[j] - 55);
}
else if (tmp[j] > 47 && tmp[j] < 58)
{
tmp[j] = (byte)((int)tmp[j] - 48);
}
}
dataA[i] = 0;
for (int j = 0; j < 4; j++)
{
dataA[i] = (dataA[i] * 0x10 + tmp[j]);
}
dataA_avg += dataA[i] / datalength;
}
sr.Dispose();
}
else
{
FileStream fs = new FileStream(FileName, FileMode.Open);
//datalength = (int)(fs.Length-2)/2;
datalength = (int)((fs.Length - 2) / 2) - cutNum;
dataA = new double[datalength];
byte[] data = new byte[datalength * 2];
fs.Seek(cutNum + 1, SeekOrigin.Begin);//跳过字符
fs.Read(data, 0, datalength * 2);
fs.Dispose();
//byte[] adata = new byte[datalength * 2];
//adata = data;
//data_A = adata;
for (int i = 0; i < datalength; i++)
{
dataA[i] = (double)(data[2 * i] * 0x100 + data[2 * i + 1]);
}
dataA_avg = 0;
for (int i = 0; i < datalength; i++)
{
dataA_avg += dataA[i] / datalength;
}
}
double variance = ComputeVariance2(dataA);
//double[] data1 = dataA;
//double[] data2 = dataA;
//MyMath mm = new MyMath();
//double fc = mm.mse(data1);
//double[] maxten = new double[10];
//maxten = mm.maxten(data1);
//double[] minten = new double[10];
//minten = mm.minten(data2);
for (int i = 0; i < datalength; i++)//归一处理
{
dataA[i] = (dataA[i] - dataA_avg) / dataA_avg;
}
//A平均幅值
for (int i = 0; i < datalength; i++)
{
dataA_avgAbs += System.Math.Abs(dataA[i]) / datalength;
}
textBoxAvgA.Text = dataA_avgAbs.ToString();
//保存数据
WaterLeak.set_DataLength(datalength);
WaterLeak.set_DataA(dataA);
WaterLeak.set_DataA_Avg(dataA_avg);
//画图形
/*MasterPane.Controls.Clear(); //清空
*
* ZedGraphControl zed1 = new ZedGraphControl();
* zed1.Width = MasterPane.Width;
* zed1.Height = MasterPane.Height;
* MasterPane.Controls.Add(zed1);
*
* GraphPane Pane = zed1.GraphPane;
* /*Pane.Title = "数据A";
* Pane.XAxis.Title = "点数";
* Pane.YAxis.Title = "信号强度";*/
//PointPairList list = new PointPairList();
for (int i = 0; i < datalength; i++)
{
listA.Add(i, dataA[i]);
}
//LineItem myCurve = Pane.AddCurve("Porsche", list, Color.Blue, SymbolType.None);
//zed1.AxisChange();
//开启状态使能
button2.Enabled = true;
}
}