# An Ionospheric Phase Screen Projection Method of Phase Gradient Autofocus in Spaceborne SAR

> Research article (IEEE Geoscience and Remote Sensing Letters, 2022) · cited 12× · AI/ML

**Wikidata**: [openalex:W4210367791](https://www.wikidata.org/wiki/openalex:W4210367791)  
**Source**: https://4ort.xyz/entity/an-ionospheric-phase-screen-projection-method-of-phase-gradient-autofocus-in-spaceborne-sar