# Knowledge-Aided 2-D Autofocus for Spotlight SAR Filtered Backprojection Imagery

> Research article (IEEE Transactions on Geoscience and Remote Sensing, 2019) · cited 38× · AI/ML

**Wikidata**: [openalex:W2914176823](https://www.wikidata.org/wiki/openalex:W2914176823)  
**Source**: https://4ort.xyz/entity/knowledge-aided-2-d-autofocus-for-spotlight-sar-filtered-backprojection-imagery