nihe

这是一个关于滤波器的仿真程序，非常好用，相信对大家会有一定的帮助(This is a simulation program on the filter is very easy to use, I believe this will definitely help all of us)

BPSK modulation with simulink model and code

利用matcont求解连续性非线性动力学问题并画图求出其稳定解(Use matcont problem solving nonlinear dynamics of continuity and drawing its stable solution is obtained)

说明：  仿真已测试过，波形非常好。是双管正激电路参考的经典案例。(THAT IS THE GOOD DESIGN)

matlab下，用dspbuilder实现dds模块产生正弦波的源码(matlab under dds with the realization of dspbuilder generated sine wave source modules)

对噪声信号中的正弦信号，通过Pisarenko谐波分解方法、Music算法和Esprit算法进行频率估计，信号源是： 其中， ， ， ； 是高斯白噪声，方差为 。使用128个数据样本进行估计。 1、用三种算法进行频率估计，独立运行20次，记录各个方法的估计值，计算均值和方差； 2、增加噪声功率，观察和分析各种方法的性能。(Sinusoidal signal in the noise signal through the Pisarenko harmonic decomposition method, Music algorithms and Esprit frequency estimation algorithm, the signal source is: where,,, a Gaussian white noise, variance. 128 data samples used to estimate. 1, with three kinds of frequency estimation algorithm, run independently 20 times, record the estimated value of each method to calculate the mean and variance 2, the increase in noise power, observation and analysis of the performance of various methods.)

说明：  本例程解决了一个两个目标的优化问题，采用的是权重系数法求解。求解过程中采用了代沟。程序中有详细的注释(This routine solves a two-goal optimization problem, using the weight coefficient method. Solving process used in the generation gap. Procedures are detailed in the Notes)

深度学习的自编码器MATLAB程序。需根据文档内说明进行相关文件下载并配置(Depth of learning from the encoder MATLAB. To be based on the relevant documents within a document instructions to download and configure)

我国是世界上小麦种植面积最大和消费最高的国家之一。小麦为国际主粮之一，也是食品工业的重要原料。作为最重要粮食品种之一的小麦，其价值与用途取决于它的品质。因此，基于信号处理技术，研究客观、便捷的小麦品质测定方法对提高小麦品质、减少产后损失、保证国家粮食安全具有十分重要的意义。本课题拟在研究、分析国内外无损检测技术在农产品品质分析应用现状和研究进展的基础上，研究小麦籽粒声信号的预处理方法。根据声学检测原理，研制出小麦籽粒的声信号采集装置，首先采集小麦籽粒下落碰撞所产生的声音信号，对小麦声信号进行编辑和预处理，实验结合信号处理技术及MATLAB软件，对单粒小麦样品的声信号进行谱估计和小波变换，提取出时域和频域特征参数，为探讨小麦声学特性与其品质指标的关系奠定基础。本论文利用MATLAB软件编写小麦声音信号预处理程序，通过对小麦籽粒声信号进行处理，成功的提取出了有效的时域、频域的多种特征参数，为研究其声学特性与小麦品质内在的关系，做了充分的准备工作。(China is one of the countries in the world which has the largest wheat growing area and highest consumption. Wheat is one kind of the staple food in the world and also an important material for food industry. The value of wheat and its use all depends on is quality, To enhance quality of wheat,readuce post harvest loss and ensure grain security, great efforts should be made to develop rapid, objective, and easy methods for assessing wheat quality using signal processing techniques. This paper do the research of wheat signal preconditioning method and it basis of analysis domestic and foreign non-destructive testing technology.According to acoustic detection theory,an equipment of obtaining wheat sound signals is developed. Collecting the dropping voice signals of different varieties of wheat samples.And then do editing and sound signal preprocessing on wheat through signal processing technology.This paper do some research about spectrum estimate and wavelet transform on single wheat wi)

在matlab环境下的BP网络预测程序，主要是预测最优加工性能参数(Matlab environment in BP network prediction procedures, mainly predict the optimal processing performance parameters)