discrete DCT离散DCT变换discreteadj.不连续的；分离的discrete valued objectives离散值目标函数discrete coordinate method离散坐标法discrete Hilbert transformDiscrete density evolution离散密瘦进化discrete signal processing离散信号处理discrete fourier transform离散傅里叶变换discrete differential game离散微分对策discrete moment invariants离散不变矩discrete component circuit分立元件电路discrete continuous system离散连续系统