搜索资源列表
qdsg
- 主要研究了超声回波信号的小波分析算法和BP神经网络算法。在超声检测中,作为检测基本数据的脉冲反射回波信号受到电子噪声和结构噪声的干扰,-major study of the ultrasonic echo signal wavelet analysis algorithm and BP neural network algorithm. In ultrasonic testing, to detect the basic data pulse echo signals reflected by
心电信号加入0.5Hz的基线漂移
- 心电信号加入0.5Hz的基线漂移,通过0.5Hz高通滤波器,滤波后的波形与原波形的对比 ,滤波器特性曲线分析;信号加入50Hz工频漂移,通过50Hz陷波器,滤波后的波形与原波形的对比 ,滤波器特性曲线分析,ECG baseline drift by adding 0.5Hz, 0.5Hz through a high-pass filter, filtering of the waveform after the comparison with the original waveform, fi
xiaobobaoyiweiquzao
- matlab小波包工具箱的使用来分析信号,实现了一维去噪声的功能,恢复出了原始信号-wavelet packet Matlab toolbox used to analyze signals and realized the noise to a peacekeeping function, restoration of the original signal out
szxd
- 数字滤波器设计及在心电信号滤波中的应 心电信号采集 心电信号分析 含噪心电信号合成-Digital filter design and filtering of the ECG should be collected ECG ECG ECG analysis of noisy synthetic
frequencyanalysiswithwavelettools
- 实际应用中的绝大多数信号是非稳定的,而特别适用于非稳定信号的工具就是小波分析。-The practical application of the vast majority of the signal of non-stable, in particular, apply to non-stable signal is wavelet analysis tools.
lpc_original
- 线性预测编码LPC的简单实现,出自书《小波与傅里叶分析基础》的第0章最后一题-A simple linear predictive coding LPC realized from the book, " Wavelet and Fourier Analysis" of the title the last chapter 0
33957049WTE
- 阐述了GPS坐标时间序列分析的原理和方法,包括线性拟合、相关函数法、AR(P)模型预测、功率谱、小波谱以及小波熵,通过仿真实验验证了各种方法的优点。-2. The theory and methods of GPS coordinate time series analysis are expounded, including linear fitting, correlation function, AR (P) model prediction, power spectrum, wavele
qpsk-ber
- 误码率 小波分析 正交频分复用下的 小波分析系统 因此 需要讨论误码率性质-snr wavlate ber this is very you yong, please bilive me ,thank you very much
xiaobofenxitezhengtiqu
- 语音信号处理中,基于小波分析的特征提取的源程序,实现效果较好-Speech signal processing, feature extraction based on wavelet analysis source to achieve better
denoise_julei
- 利用聚类算法和小波分析进行声发射信号的阈值去噪 -The use of clustering algorithms and thresholding wavelet analysis of acoustic emission signals
小波包分析 代码
- 对原始信号进行小波包分解,小波函数及分解尺度均可自调(The original signal is decomposed by wavelet packet, and the wavelet function and decomposition scale can be adjusted automatically)
MATLAB6.5辅助小波分析与应用
- 小波分析基本原理以及初级应用案例,帮助初学者迅速掌握相关基本应用(The basic principles of wavelet analysis and primary application cases, and help beginners to quickly grasp the basic application)
package_emd
- 经验模态分解(Empirical Mode Decomposition,EMD)法是黄锷(N. E. Huang)在美国国家宇航局与其他人于1998年创造性地提出的一种新型自适应信号时频处理方法,特别适用于非线性非平稳信号的分析处理。对经过EMD处理的信号再进行希尔伯特变换,就组成了大名鼎鼎的“希尔伯特—黄变换”(HHT)。由于脑电信号处理很少在EMD之后接上希尔伯特变换,在这里仅介绍EMD的相关基础知识。 EMD其实就是一种对信号进行分解的方法,与傅里叶变换、小波变换的核心思想一致,大家