FFT algorithms FFT, IFFT, power spectrum calculation, including the Hamming window, Hanning window, triangle window, Blackman window, 4 term Blackman-Harris window of several of the power spectrum window function computing power.

8255a 做输入输出作用，LED流水灯操作-The Harris 82C55A is a high performance CMOS version o the industry standard 8255A and is manufactured using self-aligned silicon gate CMOS process (Scaled SAJI IV).

Harris 角点检测 FPGA实现 Tak Lon Chao, Kin Hong Wong, "An efficient FPGA implementation of the Harris Corner feature detector" Code:in VHDL and Verliog running on Zedboard(Tak Lon Chao, Kin Hong Wong, "An efficient FPGA implementation