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reddyestimator
- reddy snr estimator. run the interleaver file first than run the estimator file and get the results.
Source-Localization-in-UWSAN
- 文章针对低信噪比下的水下目标定位问题,建立了水下无线传感器阵列网络,该结构包括多个分布式声传感器阵列,它适应于多模态信号处理,既可以利用目标的方位信息,又可以用能量信息。文中提出了用每个阵列接收到的信号能量作为参量完成目标定位并推导了基于能量的最大似然比目标定位方法。数值仿真表明:基于该结构的能量似然函数定位方法,可以有效估计目标的位置。并且比单阵元网络的定位性能和信息传输率上有了较大的提高, 尤其是在低信噪比下情况下,可以大大减小估计的方差。-With novel underwater wir
MIMO_OFDM_Sys_for_downlink_freq
- Analysis of frequency and channel estimator for down link of MIMO OFDM system-The analysis should be done based on MATLAB codes, which includes parameters like SNR, SINR
fig3_5
- when SNR is high , 1st sample estimator provides good estimate of A. it has no ise effect . so we don’t need averaging effect to reduce noise when SNR is high. However variance is still low in sample mean estimator which shows that in reality ,samp
xiaobobaoyuzhijiangzao
- :提出一种基于对偶树复小波块阈值的信号降噪方法,并将其成功应用于机械故障诊断中。机械设备的振动信号都或多或少地含有噪声,导致弱故障信息的提取一直是故障诊断的难点和热点。提出的降噪方法充分利用对偶树复小波变换的平移不变性和块阈值法的更优估计特性,可以获得比常规的小波降噪方法以及基于常规离散正交小波变换的 NeighBlock 降噪法更高的信噪比, 不仅能有效抑制高斯白噪声, 还能够去除冲击信号中的脉冲噪声。-:A denoising method of block thresholding bas
Energy detection in Spectrum sensing
- Energy detection is a spectrum sensing method that detects the presence/absence of a signal just by measuring the received signal power. This signal detection approach is quite easy and convenient for practical implementation. To implement energy det
MSS_Estimators
- maximum a posterior estimator of magnitude squared speech and also using mmse of SNR uncertainity and many other.