离散余弦变换（Discrete Cosine Transform，简称DCT变换）是一种与傅立叶变换紧密相关的数学运算。在傅立叶级数展开式中，如果被展开的函数是实偶函数，那么其傅立叶级数中只包含余弦项，再将其离散化可导出余弦变换，因此称之为离散余弦变换-Discrete cosine transform (Discrete Cosine Transform, DCT-short) is a Fourier transform is closely related with the math. I

（Discrete Cosine Transform，简称DCT变换）是一种与傅立叶变换紧密相关的数学运算。在傅立叶级数展开式中，如果被展开的函数是实偶函数，那么其傅立叶级数中只包含余弦项，再将其离散化可导出余弦变换，因此称之为离散余弦变换。-(Discrete Cosine Transform, DCT-short) is a Fourier transform is closely related with the math. In the Fourier series expansion,

MFC下实现 openGL烟花粒子播放 用FOMD 配音，整个系统有七种爆炸效果，效果依然不是很好，由于个人数学较差，写不出离散的魅力效果-MFC to achieve openGL particles play with fireworks FOMD dubbing, the whole system has seven explosions, the effect is still not very good, because of personal math is poor, write