实现基于FFT、Perlin噪声、Gerstner三种模型的海浪仿真模拟，实现了海水的反射、折射、Fresnel现象的模拟。-Implementation based on FFT, Perlin noise, Gerstner wave simulation of the three models, to achieve the water reflection, refraction, Fresnel simulation of the phenomenon.

在matlab下实现信号频谱分析：利用快速付里叶变换FFT得到下列信号的频谱，并绘制信号及频图形：1.长2s的方波信号，频率f=10Hz -In matlab signal spectrum analysis: the fast in leaf transform FFT get pay of spectrum, the signal and drew the signal and frequency graphics: 1. The long 2s, frequency f = squar

在学习了数字信号处理、信号与系统、建模与仿真及其医学应用等课程的基础上， 学习一类典型的生物医学信号--脑电的测取、FFT 频谱分析、以及应用数字滤波方法提 取脑电的频带（8－13Hz）信号及其特性分析。-Epilepsy section of the brain wave extraction and analysis of characteristics of the course design report

关于FFT对信号波的截取处理，以及信号加窗函数FFT的变化-On the FFT of the signal wave interception processing, as well as signal windowing function FFT changes