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fiugai
- 用于特征降维,特征融合,相关分析等,包括压缩比、运行时间和计算复原图像的峰值信噪比,采用波束成形技术的BER计算。- For feature reduction, feature fusion, correlation analysis, Including compression ratio, image restoration computing uptime and peak signal to noise ratio, By applying the beam forming techn
kn354
- 基于matlab GUI界面设计,用于特征降维,特征融合,相关分析等,实现了图像的加水印,去噪,加噪声等功能。- Based on matlab GUI interface design, For feature reduction, feature fusion, correlation analysis, Realize image watermarking, de-noising, plus noise and other functions.
eg606
- 与理论分析结果相比,最大信噪比的独立分量分析算法,用于特征降维,特征融合,相关分析等。- Compared with the results of theoretical analysis, SNR largest independent component analysis algorithm, For feature reduction, feature fusion, correlation analysis.
kieneng_v68
- 包括脚本文件和函数文件形式,包括调制,解调,信噪比计算,用于特征降维,特征融合,相关分析等。- Including scr ipt files and function files in the form, Includes the modulation, demodulation, signal to noise ratio calculation, For feature reduction, feature fusion, correlation analysis.
et745
- 采用了小波去噪的思想,包括AHP,因子分析,回归分析,聚类分析,用于特征降维,特征融合,相关分析等。- Using wavelet denoising thought, Including AHP, factor analysis, regression analysis, cluster analysis, For feature reduction, feature fusion, correlation analysis.
NO3ASK4
- 分别产生符合下列要求的眼图,输入调制方式为2PAM和4PAM,符号率为1Hz,等效信道滤波器为升余弦滚降成形滤波器(缺省滚降系数为0.5): 1) 无噪声和信噪比为20dB的加性高斯白噪声 2) 升余弦滚降系数分别为0.5和1 3) 受到码间串扰影响,信道参数可设为:ch=[0.9806; -0.1961];(In accordance with the following requirements of eye respectively, the input modulation mod
PCA,KPCA完整程序
- 降维,用作聚类算法使用。具有很好效果,可以用作图像去噪(Dimensionality reduction is used as a clustering algorithm. It has good effect and can be used for image denoising.)
matlab波束形成
- 考虑一个10元标准线列阵(阵元间距为1000Hz对应波长的一半)。两个正弦平面波信号从远场入射到该阵列。两个信号的入射角和中心频率如下表所示,相位是独立同分布的随机变量,在0到360°区间上服从均匀分布。各阵元输出的噪声是相互独立、功率相等的白噪声。(a)设阵元接收信号的功率与噪声功率之比分别为5dB(信号1)和10dB(信号2),请根据表中所示的入射角和信号频率,分别给出利用常规波束形成、MVDR和MUSIC三种方法得到的空间方位谱。计算中假定观测时间为1秒,采样频率为8192Hz。(b)当输