MATLAB有限差分法源程序代码

这个程序是计算WignerVille用到的，希望对你有用(This program is used in computing WignerVille you)

说明：  有限差分声波波动方程正演。主要用于地震勘探正演(Finite difference method of acoustic wave equation forward modeling)

说明：  Carrier overview sample for CV

FDTD Finite-Difference Time-domain in free space no ABC FDTD(t) runs FDTD for time t. FDTD implements the FDTD/staggered leapfrog scheme over time 0-max_time and space 0-max_space. This program simulates a gaussian pulse in the grid specified with max_time and max_space. The pulse is sent from the center of the problem space and disperses in both directions -Kira Heater

浊音的对数幅度谱，短时过零率，平均能量，基音周期(Logarithmic amplitude spectrum voiced, short zero-crossing rate, average energy, pitch period)

说明：  实现数据误差的剔除、修正，曲线拟合，平缓。(Eliminate data errors, correction, curve fitting, flat.)

根据国际原油价格变化规律，采用RBF神经网络拟合曲线，并预测原油价格，效果不错(use RBF neural network to predict the crude oil price)

2元BPSK调制加高斯信道硬判决统计误码率(2 yuan plus Gaussian channel BPSK modulation hard decision error rate statistics)

该程序实现2ask的解调，2ask解调C语言实现(The program 2ask demodulation, 2ask demodulation C language)

涉及粒子速度计算、圆心和半径拟合、去穷区间的积分、简单滤波器的设计、BP神经网络训练(Involves particle velocity calculation, center and radius of fitting, to poor interval integral, simple filter design, the BP neural network training)