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基于压缩感知和递归最小二乘的IR-UWB信道估计算法
脉冲超宽带 信道估计 压缩感知 递归最小二乘
2013/5/27
为了减轻脉冲无线超宽带(impulse radio ultra-wide band, IR-UWB)接收机高采样频率的负担,提出了基于压缩感知和递归最小二乘的低采样率信道估计算法。该算法先令接收到的训练符号通过随机滤波器,并对其欠采样,对采样到的信号进行递归最小二乘计算,最后利用压缩感知重构算法得到信道参数的估计值。提出的算法能够在低采样率的情况下对IR-UWB信道参数进行有效估计。该算法一方面降...
Molecular Beam Epitaxy of HgCdTe for IR FPAs Detectors
Molecular Beam Epitaxy HgCdTe IR FPAs Detectors
2010/7/15
The recent progress in MBE growth of HgCdTe at the Epitaxy Research Center for Advanced Materials, and the National Laboratory for Infrared Physics is reported. It is found that the excellent composit...