# An Autofocus Approach for UAV-Based Ultrawideband Ultrawidebeam SAR Data With Frequency-Dependent and 2-D Space-Variant Motion Errors

> Research article (IEEE Transactions on Geoscience and Remote Sensing, 2021) · cited 37× · AI/ML

**Wikidata**: [openalex:W3150667437](https://www.wikidata.org/wiki/openalex:W3150667437)  
**Source**: https://4ort.xyz/entity/an-autofocus-approach-for-uav-based-ultrawideband-ultrawidebeam-sar-data-with-frequency-dependent-and-2-d-space-variant-