The goal of this project is to explore the idea of point-based radiosity, which is a shooting radiosity technique suggested by Mark Harris at UNC. The primary idea is that features available in graphics hardware can be utilized to perform radio

FFT算法进行ＦＦＴ　、ＩＦＦＴ、功率谱计算，包括Hamming 窗、Hanning 窗、triangle 窗、Blackman 窗、4 term Blackman-Harris 窗几种窗函数的功率谱计算功能。

It is a FDTD program which produce Black-Man-Harris Source in free space.