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edge_detectation

于 2010-04-26 发布 文件大小:1KB
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  Sobel and laplace in matlab, for corner detecting.

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    网上流传的LLE原始代码无法运行的同学请看这里,这是我最新修改的代码,保证能在MATLAB2012上运行(Students circulated on the Internet can not run the original code LLE Look here, this is my latest revised code, guaranteed to run on MATLAB2012)
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  • zhixiangxing
    直线阵自然指向性仿真,先根据设定的角频率仿真单频信号A sin(ωt);再根据阵元间距、入射角度计算得各阵元相对参考阵元接收的信号的时延 τ (dsin(θ))/c。 假设等间隔N基元线阵,入射信号是平面波,那么阵元输出信号为:S_n (t) A sin(ωt+nφ);其中 φ 2πfτ 为相邻阵元接收信号间的相位差;再将基阵各元输出求和,取最大值max,就得到输出幅度;以入射角为横坐标,幅度为纵坐标作图得直线阵自然指向性。 (Linear array directivity simulation)
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