（使用能量重心校正法）单频率成分的离散频谱校正源程序，主要针对单一频率谐波信号的离散频谱校正，可选择加矩形窗和汉宁窗。-(Using energy correction of the center of gravity method) single-frequency components of the discrete spectrum correction source, focused on a single frequency harmonic signal discrete spectrum correction, you can choose to add rectangular window and Hanning window.