DatabindXY,集合已修改；可能无法执行枚举操作。
List<float> datalist = new List<float>();
  List<float> timelist = new List<float>();

  public float[][] listArray = new float[128][];
  public float[][] listFFT = new float[128][];
  public float[][] listShock = new float[128][];
  public float[][] ideal_line = new float[128][];


  public int frames = 0; //listArray中行数，偶数行代表时间数据，奇数行代表加速度数据
  public int curShowFrame = 0; //显示上下帧数据时的参数

  private void server_start() //上位机作为服务器，接收下位机发来的数据包
  {
  while (true)
  {
  try
  {
  int port = 2001; //监听2001端口
  string host = "127.0.0.1"; //本机回发的Ip
  IPAddress ip = IPAddress.Parse(host);
  IPEndPoint ipe = new IPEndPoint(ip, port);
  Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个Socket类
  s.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
  //this.label12.Text = this.label12.Text + "绑定2001端口并开始监听.....\n";
  s.Bind(ipe); //绑定2001端口
  s.Listen(0); //开始监听
  //this.label12.Text = this.label12.Text + "等待客户发送请求......\n";

  Socket temp = s.Accept(); //为新建连接创建新的Socket。
  // this.label12.Text = this.label12.Text + "获得一个客户端,开始接收数据......\n";
  byte[] bytes = new byte[1200];


  int bytesint;
  bytesint = temp.Receive(bytes, bytes.Length, 0);//从客户端接受信息  
  int n = 0;
  Byte[] changebytes = new byte[4]; //暂存四个字节数据
  for (int j = 0; j < 4 * 2 * 128; j++)
  {
  if (n == 4)
  {

  //Array.Reverse(changebytes);
  if (j <= 2 * 2 * 128)
  datalist.Add(BitConverter.ToSingle(changebytes, 0)); //存储加速度序列
  else
  timelist.Add(BitConverter.ToSingle(changebytes, 0));
  n = 0;
  j = j - 1;
  }
  else if (j == 4 * 2 * 128 - 1)
  {

  changebytes[n++] = bytes[j];
  timelist.Add(BitConverter.ToSingle(changebytes, 0));//存储时间序列

  }
  else
  changebytes[n++] = bytes[j];

  }

  frames = frames + 2;
  curShowFrame = frames;
  listArray[frames - 2] = new float[128];
  listArray[frames - 1] = new float[128];

  for (int k = 0; k < 128; k++)
  {
  listArray[frames - 2][k] = timelist[k]; //存入交叉数组中，偶数行为时间值，奇数行为加速度值
  listArray[frames - 1][k] = datalist[k];