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用分步傅里叶变化法求解非线性薛定谔方程，适用于非线性光纤系统(split_step_fourier method for nonlinear fiber optic)

this is a file related to matlab simulation for OFDM system over additive white gaussian noise channels

1-D FDTD code with simple radiation boundary conditions

批量时域变换为频域处理地震波，循环操作，速度快(Batch processing time domain into frequency domain of seismic wave)

OFDM for BER using qpsk

说明：  基于视觉注意机制的图像显著图提取，包括亮度，dkl颜色，方向等通道，合成图像的显著性描述图(Image-based visual attention saliency map mechanism extraction, including brightness, dkl color and direction of channels, the significance of synthetic image description graph)

— In ultra-wideband (UWB) indoor dense multi-path transmission environments, traditional coherent Rake receiver requires estimation of channel parameters. Moreover, in order to collect enough signal energy from dense multi-path components, the number of Rake fingers must be large enough. Consequently, the receiver structure is too complex to be implemented in practice.

基于多频（三频）的离散频谱校正，应用比值法，加矩形窗和汉宁窗。(Discrete spectrum correction based on the multi-frequency (C-band), the application of the ratio method, plus a rectangular window and Hanning window.)

详细介绍了FFT的各类算法，并用MATLAB实现，附源码(Details of the various algorithms FFT and use MATLAB to achieve, with source code)

说明：  莫尔光纤 Moire fiber莫尔光纤 Moire fiber莫尔光纤 Moire fiber莫尔光纤 Moire fiber