Research Article
An Efficient DOA Estimation Method for Passive Surveillance System Based on Troposcatter
Table 1
Time consumption (unit: second).
| | Searching step | FBSS + MUSIC | FBSS + IPNS | Our method |
| | 0.1° | 17.85 | 62.63 | 32.99 | | 0.01° | 58.99 | 507.23 | 101.29 | | 0.001° | 509.98 | 7023.25 | 918.11 |
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