White line, as shown by an array of data to draw the curve of reality for around 20 x axis curve begins to rise, is there any good way to judge about what position began to rise? , it must also consider the anti-interference problem, this is a machine over there the decoded data, may occasionally appear a big tip; Algorithm of do great god give directions? I was told by ten o 'clock filter difference comparative way, way don't work, want to use the judgment to the control of a machine parameter, algorithm of a peak related knowledge to give directions to find ~ ~