中文说明：用于读取ADCP原始数据，包括流速北分量，层数，encemble，pitch， Standard Processing: In a typical ADCP setup, these beam velocities are transformed (instrument transformation matrix) into “standard” estimates of u, v, and w.
English Description：
For reading the ADCP data, including the velocity component in the North, layers, encemble,pitch, Standard Processing: In a typical ADCP setup, these beam velocities are transformed (instrument transformation matrix) into "standard" estimates of u, v, and w.