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对回波信号进行傅里叶变化,进而提取出距离信息(Performing Fourier transform on echo signals to extract distance information)

偏最小二乘法，可以用于化学，数学，经济，医药，卫生等诸多领域(PLS MATLAB)

本文基于BP神经网络应用于预测的原理，提出预测步骤及预测可行性，探讨建立基于BP神经网络的预测模型的关键技术，包括样本的选取与预处理、输入输出变量的选取、隐层节点数的确定、初始权值和阈值的选取、激活函数、训练算法与参数的选取，最后建立合理的网络模型；结合住宅市场的实际情况，建立两类BP 神经网络预测模型：基于时间序列的趋势预测模型以及基于影响因素的回归预测模型，即分别采用神经网络趋势预测和回归预测的思路，把住宅市场的供给、需求与房价的历年数据以及其影响因素的数据分别作为学习样本，建立预测模型，进行预测。(Real estate development risk prediction )

摘要：应用Matlab/Simulink对实验室研制的六自由度运动平台位置反解建模、仿真、分析，通过对上平台进行垂 荡、纵荡、横荡、纵摇、横摇和艏摇六个自由度方向上的运动仿真分析，得到了六个液压缸的长度变化规律，更直观的 了解了平台在不同运动情况下的运动规律 (Abstract: The six degrees of freedom motion platform location, Matlab/Simulink laboratory developed anti-solution modeling, simulation, analysis, on a platform heave, vertical swing, sway, pitch, roll and yawing sixdegrees of freedom on the direction of motion simulation, six hydraulic cylinders of length variation, a more intuitive understanding of the law of motion of the platform in the case of different sports)

is the code in sample in matlab

QAM simulation in MATLAB

多星座导航系统中利用最小二乘算法进行位置解算的MATLAB傆代码，以GPS/GLONASS系统为例(Multi-constellation navigation system using least square algorithm solver of MATLAB Yuan location code to GPS/GLONASS system as an example)

在传统声压传感器阵列的求根MUSIC算法的基础上,提出了基于矢量传感器阵列的求根MUSIC算法及其修正形式,通过接收阵列信号的空间谱,选择合适的引导方位,可实现声源的波达方向(Based on root MUSIC algorithm on the traditional pressure sensor array, the root MUSIC algorithm for vector sensor array and its modified form based on, through the receiving array signal spatial spectrum, select the appropriate lead angle, direction of arrival can realize the sound source)

qpskdemod(绝对经典、不可多得的好原程序）(qpskdemod (absolute classics, and rare good original program))

微分方程的matlab解法，已经试过，很不错，放心使用(Matlab differential equation solution, has been tried, very good, ease of use)