# Improved Detection of the First-Order Region for Direction-Finding HF Radars Using Image Processing Techniques

> Research article (Journal of Atmospheric and Oceanic Technology, 2017) · cited 16× · AI/ML

**Wikidata**: [openalex:W2604985579](https://www.wikidata.org/wiki/openalex:W2604985579)  
**Source**: https://4ort.xyz/entity/improved-detection-of-the-first-order-region-for-direction-finding-hf-radars-using-image-processing-techniques