butterworth

checkmark software for watermarking

第三个例子滤波应用程序，可以了解粒子滤波的工作原理(third example filtering application that can understand the particle filter Principle)

用谱方法计算流体力学一些流动现象的整体稳定性,小波包分析提取振动信号中的特征频率，关于超声波倒车雷达测距的。( Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Wavelet packet analysis to extract vibration signal characteristic frequency, About ultrasonic parking radar ranging.)

说明：  matlab实现一些基础的模式识别工作，如贝叶斯分类，聚类算法，bp神经网络(Matlab implements some basic pattern recognition work, such as Bayesian classification, clustering algorithm, BP neural network)

根据阶跃响应实验数据，利用PEM函数辨识MAF传感器的模型(experimental data and the use of PEM function identification MAF Sensor Model)

最忧等波纹法设计FIR滤波器，本科生毕业设计(The most worry and other the corrugated law design FIR filter)

基于欧几里得距离的聚类分析，未来线路预测,分析误差,阐述了负荷预测的应用研究。( Clustering analysis based on Euclidean distance, Future line prediction, error analysis, It describes the application of load forecasting.)

经典时频分布算法。基于MP算法对信号进行时频分布。(Classical time-frequency distribution method. MP algorithm based on time-frequency distribution of the signal.)

说明小波消噪的理论，阈值估算和提取，给出在MATLAB下阈值估算和消噪的函数，并在语音信号处理中增强语音。(Explain the theory of wavelet denoising, threshold estimation and extraction, are given in the MATLAB under the threshold estimation and de-noising function, and speech signal processing to enhance voice.)

This program in Matlab code, calculates resonance frequencies of a 1D cavity by using FDTD method