private void ReceiveHeader(object pDataFrame)
        {
            if (_header == null)
            {
                var args = new IffqMeasureHeaderEventArgs();
                _header = args.Header = RmtpDataFrame.GetDataFrame <IffqexDescribeHeader>((RmtpDataFrame)pDataFrame);
                OnHeaderCompleted(args);

                _timer.Start();
            }
        }
        public void Stop()
        {
            if (RmtpManager.Rmtp.IsConnected)
            {
                RmtpManager.Rmtp.ExecuteCommand(RmtpCommand.RSTOP);//停止指令
            }

            _timeHelper.StopTimeCalculateHelper();
            _timer.Stop();

            _header = null;
            _data   = null;
        }