基于FPGA中OFDM中的帧检测，由于采用简化算法，采用较少的复数乘法器，易于硬件实现，且节省资源，采用verilog实现.-Frame detection based on FPGA for OFDM, a simplified algorithm, using less complex multiplier, easily implemented in hardware, and save resources, the SNR performance is slightly lower th

SNR largest independent component analysis algorithm, Calculated transmission characteristics and reflection characteristics of the one-dimensional photonic crystals, Including quaternion various calculations.