Open Access
表1
CS成像过程计算量统计
| 计算过程 | 步骤 | 乘运算 | 加运算 | 运算总量 |
| 注: RC校正: 距离向补偿校正。AC校正: 方位向补偿校正。 | ||||
| 方位向-FFT | 1 | 2NMlog2M | 3NMlog2M | 5NMlog2M |
| CS校正 | 2 | 4NM | 2NM | 6NM |
| 距离向-FFT | 3 | 2NMlog2M | 3NMlog2M | 5NMlog2M |
| RC校正 | 4 | 4NM | 2NM | 6NM |
| 距离向-IFFT | 5 | 2NMlog2M | 3NMlog2M | 5NMlog2M |
| AC校正 | 6 | 4NM | 2NM | 6NM |
| 方位向-IFFT | 7 | 2NMlog2M | 3NMlog2M | 5NMlog2M |
| 计算量统计 | 4NMlog2M+4NMlog2M+12NM | 6NMlog2M+6NMlog2M+6NM | 10NMlog2M+10NMlog2M+18NM | |
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