Schaffer

introduction to wiener filter ppt

轴承外环故障诊断，故障设置为外环局部剥落，故障特征频率为外环通过频率或倍频理论计算得到475.6Hz.(Bearing outer ring fault diagnosis, fault set to the outer ring local spalling, the failure characteristic frequency for the outer ring through the frequency or frequency theoretical calculations 475.6Hz.)

说明：  利用matlab编写的基于计算机声卡的虚拟仪器，含信号发生器、示波器和频率计，并利用matlab中guide可视化编程实现了界面操作。(Matlab prepared using computer sound card based virtual instrument, with the signal generator, oscilloscope and frequency meter, and use visual guide matlab programming in the interface operation.)

可以完成地震记录的合成，实现地震记录的正演模拟(Synthetic seismogram can be done to achieve forward modeling of seismic records)

频率估计 1）产生一个单频实信号，加上一定信噪比的噪声。 2）对含噪声的信号进行频率估计。估计方法可以查阅相关文献。 3）统计估计出来的频率和真实频率之间的误差。 4）验证该频率估计算法在不同信噪比、不同数据长度下、不同频率时候的性能。 (Frequency estimation 1) produce a single-frequency real signal, plus a certain SNR noise. 2) noisy signal frequency estimates. Estimation method can access relevant literature. 3) out of the statistical estimation and frequency error between the true frequency. 4) Verify that the frequency estimation algorithm under different SNR, different data length, when the frequency of different properties.)

MATLAB GUI设计学习手记(第2版)(MATLAB GUI Design Learning Notes (2nd Edition))

OKUMURA-HATA MODEL using MATLAB program.

sample code for desiging of Digtial Electronics

在这里输入需要翻实现parzen 库中找出与当前情况距离最近的样本的方法.把距离定义为相匹配的输入事例的特征加权和译的文字(Enter here the realization of the need to turn parzen library with the current situation to find the nearest sample. Defined as the distance to match the characteristics of the input-weighted case and translated text)

说明：  Matlab版本三次样条插值，介绍了Matlab三次样条插值(有条件情况下)，可以在Matlab上直接运行(Matlab version of the cubic spline interpolation, introduced Matlab cubic spline interpolation (under certain conditions), can be run directly on the Matlab)