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复件 noisechk
- 可对噪声处理后的心电数据进行评价,既噪声的估计,用信噪比来评价的-noise can be dealt with right after the ECG data for evaluation, we estimate the noise used to evaluate the SNR
基阵信号处理
- 给定入射信号角度分别为 -22度 ,6度,18度时,不同信噪比情况下各种空间谱估计算法得到的曲线图-given incident signals point to -22 degrees, 6 degrees, 18 degrees, the signal to noise ratio under different space spectral estimation algorithm of the curve
LFM2_mp_snr_1
- 信号与信息处理——阵列信号处理DOA估计的matlab算法,这是线性调频信号的稀疏分解算法,对信噪比的变化
sparfilt
- 优点:1.对于信噪比高的信号滤波效果好; % 2.对于边沿的保护强过阈值滤波,不会产生阈值滤波情况下的过于平滑与Gibbs现象。 %缺点:1.由于对边沿信号没做任何处理,所以边沿可能会有脉冲噪声保留下来; % 2.计算相关系数中,如果计算出来的小波系数点位置偏差大,则相关系数计算受影响; % 3.需要迭代运算,迭代的噪声能量阈值选取很重要,这里以开始段无信号处估计噪声; % 4.需要迭代运算,所以运算量比阈值法大; % 5.受分解层次影响,在大尺度上小波系数点位置偏差更大
music_var_snr
- music算法的变种,基于变化信噪比,用于DOA估计。
musicdoa
- 采用10阵元的阵元间距为1/2波长的均匀线阵,估计两个不相干的信号源的波达方向。假设信号 源分别来自 和 方向,信噪比分别为10dB和20dB;并假设样本数为100。使用music算法实现DOA估计-music algorithm used for doa estimation
SSSS
- 通过建立运动模糊数学模型, 进行了消除运动模糊的仿真实验, 维纳滤波恢复运动模糊图像效果较 好。在图像恢复技术中, 点扩展函数( PSF) 是影响图像恢复结果的关键因素, 所以常常利用先验知识和后验判 断方法估计PSF函数来恢复图像。实验表明在实际恢复过程中如果运动模糊图像混入了噪声, 必须考虑到信噪 比、噪声的自相关函数和原始图像的自相关函数对恢复后图像的影响。-Through the establishment of mathematical model of motion
c_music
- music算法在谱估计中(即经典算法)在高信噪比和多阵元情况下有较高的估计性能和精度。本程序主要是实现此算法。-music spectrum estimation algorithm (ie the classical algorithm) in the high SNR and multi-array cases have a higher estimation performance and accuracy. This procedure is mainly to achieve the
music
- 本代码主要是仿真了阵列信号的music算法的基本性能。如估计精度随信噪比的变化和天线孔径的变化。-This code is mainly the array signal simulation algorithm for the basic properties of music. If the SNR estimation accuracy with the changes and changes in the antenna aperture.
snrEM
- 关于psk的信噪比估计方法,十分实用,切相关文章比较多,值得一看-About psk SNR estimation method is very practical, cutting more related articles, worth a visit
widefocusRSS
- 宽带信号的空间谱估计以及信噪比等对信号估计的影响,才用聚焦矩阵的方法,采用的聚焦矩阵不同,性能也不同,这里是RSS算法-Spatial spectrum estimation of wideband signals and SNR of the estimated impact on the signal only with the focusing matrix method, using the focusing matrix of different, performance is dif
bpsk
- 全数字BPSK调制解调系统的仿真,BPSK信号信噪比估计方法的分析与仿真 -All-digital BPSK modulation and demodulation system simulation, BPSK signal to noise ratio estimation method of analysis and simulation
shujunihefaxinzaobiguji
- 采用数据拟合法进行的高斯白噪声信道下的信噪比估计,程序中有经典summer法以及本人自己拟合的二阶和三阶参数,适用于不同的信噪比范围,望大家一起交流-By data fitting of the Gauss white noise channel SNR estimation, the program in the classic summer method as well as my own fitting of the two order and three order parameters
jiejulaiguji
- M2M4-该代码是经典的信噪比估计算法,用到了统计学中基于矩估计的思想,利用信号的2、4阶矩来估计接收信号的信噪比-M2M4-the code is the classic SNR estimation algorithm used in the statistical moment estimation based on the idea, the signal of 2,4-order moments to estimate the signal to noise ratio of the
SSME
- 最小均方误差信噪比估计的matlab仿真-MMSE SNR estimation matlab simulation
matlab-SNR
- Matlab 信噪比 基于OFDM系统的M2M4的信噪比估计-Matlab signal-to-noise ratio
SNR
- 资料中介绍了几种经典信噪比估计算法的编码并进行比较,包括误差矢量幅值法、最大似然估计、迭代法以及奇异值分解法。-Data introduces several classical coding SNR estimation algorithm and compared, including error vector magnitude, maximum likelihood estimation, iterative method and singular value decomposition
估计信号源个数
- 有两个文件,分别都是信号随着信噪比和快拍数变化,检测概率的趋势,对于阵列信号处理前段,信号源判断有着很大的帮助作用!
Modified-Waterfilling-CSI
- 实现修正注水算法,对已知信道CSI和未知信道的CSI的编程和比较,对MIMO信道的信噪比估计-The channel SNR estimation of MIMO channel is realized by the programming and comparison of the CSI for the known channel CSI and the unknown channel.
doa
- 利用经典music算法,旋转不变子空间算法,实现对雷达到达方向角的估计,并分析了信噪比对算法的影响。(The classical music algorithm and rotation invariant subspace algorithm are used to estimate the radar arrival angle and the effect of SNR on the algorithm is analyzed.)