Fig. 1. Scheme of the Fourier telescope傅里叶望远镜系统示意图
Fig. 2. Scheme of the image reconstruction图像重构示意图
Fig. 3. Randomly sparse sampled template目标频谱的采样模板
Fig. 4. Schematic diagram of the optical transmitter发射光学系统
Fig. 5. Schematic diagram of the optical receiver接收光学系统
Fig. 6. Physical layout of the optical transmitter发射光学系统实物图
Fig. 7. Physical layout of the optical receiver接收光学系统实物图
Fig. 8. Physical picture of the target目标实物图
Fig. 9. The effect of the OPDF: (a) and (b) are the VD image and the CS image, respectively, when OPDF = 3; (c) and (d) are the VD image and the CS image, respectively, when OPDF = 4; (e) and (f) are the VD image and the CS image, respectively, when OPDF = 5OPDF的影响 (a) 和 (b) 分别是OPDF = 3时的VD图像和CS图像; (c) 和 (d) 分别是OPDF = 4时的VD图像和CS图像; (e) 和 (f) 分别是OPDF = 5时的VD图像和CS图像
Fig. 10. The effect of the LSR: (a) and (b) are the VD image and the CS image, respectively, when LSR = 0; (c) and (d) are the VD image and the CS image, respectively, when LSR = 0.1; (e) and (f) are the VD image and the CS image, respectively, when LSR = 0.3; (g) and (h) are the VD image and the CS image, respectively, when LSR = 0.4LSR的影响 (a) 和 (b) 分别是LSR = 0时的VD图像和CS图像; (c) 和 (d) 分别是LSR = 0.1时的VD图像和CS图像; (e) 和 (f) 分别是LSR = 0.3时的VD图像和CS图像; (g) 和 (h) 分别是LSR = 0.4时的VD图像和CS图像
Fig. 11. The effect of the TSR: (a) and (b) are the standard image and the traditional FT image, respectively; (c), (d) and (e) are the LF image, the VD image and the CS image, respectively, when TSR = 0.05; (f), (g) and (h) are the LF image, the VD image and the CS image, respectively, when TSR = 0.1; (i), (j) and (k) are the LF image, the VD image and the CS image, respectively, when TSR = 0.2; (l), (m) and (n) are the LF image, the VD image and the CS image, respectively, when TSR = 0.4; (o), (p) and (q) are the LF image, the VD image and the CS image, respectively, when TSR = 0.8TSR的影响 (a) 和 (b) 分别是标准图像和传统FT图像; (c), (d) 和 (e) 分别是TSR = 0.05时的LF图像, VD图像和CS图像; (f), (g) 和 (h) 分别是TSR = 0.1时的LF图像, VD图像和CS图像; (i), (j) 和 (k) 分别是TSR = 0.2时的LF图像, VD图像和CS图像; (l), (m) 和 (n) 分别是TSR = 0.4时的LF图像, VD图像和CS图像; (o), (p) 和 (q) 分别是TSR = 0.8时的LF图像, VD图像和CS图像
TSR | Traditional FT/s | LF method/s | VD method/s | CS method/s | 0.05 | 8289 | 529 | 530 | 554 | 0.1 | 8289 | 943 | 944 | 968 | 0.2 | 8289 | 1772 | 1773 | 1797 | 0.4 | 8289 | 3430 | 3431 | 3455 | 0.8 | 8289 | 6746 | 6747 | 6771 |
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Table 1. Comparison of the four methods