中国激光, 2019, 46 (6): 0614014, 网络出版: 2019-06-14
应用于太赫兹成像的弧形多收多发阵列的设计方法 
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Design Method of Arc Multiple-Input Multiple-Output Array for Terahertz Imaging
图 & 表
图 2. 6种50发60收弧形MIMO阵列及其等效阵列的结构示意图
Fig. 2. Topologies of arc MIMO arrays with 50 transmitters and 60 receivers as well as their equivalent arrays
图 3. 弧形MIMO阵列2及其等效阵列PSF(d=0.35 m,f=140 GHz)
Fig. 3. PSF for MIMO array 2 and its equivalent array (d=0.35 m, f=140 GHz)
图 4. 弧形MIMO阵列多点目标方位向成像结果。(a)点目标位置(0.1,π/2),(0.1,π/2-0.012);(b)点目标位置(0.1,π/2),(0.1,π/2-0.009);(c)点目标位置(0.1,π/2),(0.1,π/2-0.006)
Fig. 4. Azimuthal imaging results of multiple points for arc MIMO array. (a) Points located at (0.1,π/2),(0.1,π/2-0.012); (b) points located at (0.1,π/2), (0.1,π/2-0.009); (c) points located at (0.1,π/2), (0.1,π/2-0.006)
图 5. 弧形MIMO阵列及其等效阵列对位于不同成像半径的点目标仿真成像结果。(a)点目标位置(0.12,π/2);(b)点目标位置(0.16,π/2);(c)点目标位置(0.20,π/2)
Fig. 5. Imaging results of points located at different imaging radii for arc MIMO array and its equivalent array. (a) Point located at (0.12,π/2); (b) point located at (0.16,π/2); (c) point located at (0.20,π/2)
图 6. MIMO阵列成像系统布置图。(a)弧形MIMO阵列;(b)直线形MIMO阵列
Fig. 6. Layouts of MIMO imaging systems. (a) Arc MIMO array; (b) linear MIMO array
于洋, 乔灵博, 游燕, 赵自然. 应用于太赫兹成像的弧形多收多发阵列的设计方法[J]. 中国激光, 2019, 46(6): 0614014. Yang Yu, Lingbo Qiao, Yan You, Ziran Zhao. Design Method of Arc Multiple-Input Multiple-Output Array for Terahertz Imaging[J]. Chinese Journal of Lasers, 2019, 46(6): 0614014.
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