说明：  Compute one frame of a correlogram. The input data is a two-dimensional array of cochlear data, each row representing firing probabilities from one cochlear channel. The output picture is a two dimensional array of width "picWidth".
(Compute one frame of a correlogram. The proficient ut data is a two-dimensional array of the 11 d was observed. each row representing firing probabilities fr om one the 11 channel. The output is a picture two dimensional array of width "picWidth.")