文件名称:beamform
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波束形成,一均匀排列的5元线阵,阵元间距15cm。设入射信号为单凭正弦波,幅度为Acos(wt)。声速设为c=1500m/s.在入射信号频率f为4k、5k、6k时,求以下三种加权系数下的波束图。
1)均匀加权时的波束图,入射信号范围-90°~90°,幅度归一化处理,下图。
2)阵元加权系数为[1,2,4,2,1]
3) 阵元加权系数为[4,2,1,2,4]
-Beamforming, an arrangement of five yuan uniform linear array, the array element spacing 15cm. Let alone the incident signal is sine wave, amplitude Acos (wt). Set velocity c = 1500m/s. The incident signal frequency f is 4k, 5k, 6k, find the three weighting coefficients beam pattern. 1) uniform weighting the beam pattern, the incident signal range-90 to 90, the amplitude normalization, the following figure. 2) array element weighting coefficient [1,2,4,2,1] 3) array element weighting coefficient [4,2,1,2,4]
1)均匀加权时的波束图,入射信号范围-90°~90°,幅度归一化处理,下图。
2)阵元加权系数为[1,2,4,2,1]
3) 阵元加权系数为[4,2,1,2,4]
-Beamforming, an arrangement of five yuan uniform linear array, the array element spacing 15cm. Let alone the incident signal is sine wave, amplitude Acos (wt). Set velocity c = 1500m/s. The incident signal frequency f is 4k, 5k, 6k, find the three weighting coefficients beam pattern. 1) uniform weighting the beam pattern, the incident signal range-90 to 90, the amplitude normalization, the following figure. 2) array element weighting coefficient [1,2,4,2,1] 3) array element weighting coefficient [4,2,1,2,4]
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下载文件列表
波束形成/beamforming.m
波束形成/beamforming2.m
波束形成
波束形成/beamforming2.m
波束形成
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