Open Access
表5
SAR成像处理器性能对比
| 架构模型 | 主频 | 功耗 | SAR成像算法 | 成像规模 | 成像时间/s |
| Proposed solution | 200 MHz | 463 mW | CS | 1 024×1 024 | 0.04 |
| 2 048×2 048 | 0.15 | ||||
| 6 472×3 328 | 0.68 | ||||
| 16 384×16 384 | 8.2 | ||||
| 30 000×6 000 | 5.54 | ||||
| 32 768×32 768 | 32.9 | ||||
| GPGPU[8] | >500 W | Omega-k | 30 000×6 000 | 8.5 | |
| CPU+GPU[11] | 345 W | CS | 32 768×32 768 | 2.8 | |
| Mobile-GPU[10] | 2.3 GHz | 5 W | CS | 2 048×2 048 | 3.2 |
| Microprocessor+FPGA[9] | 68 W | CS | 6 472×3 328 | 8 | |
| CPU+ASIC[13] | 100 MHz | 10 W | 1 024×1 024 |
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