In this project, a fuzzy-logic-based algorithm is develop to detect and remove unwanted non-meteorological signals, like interference pattern, arc artefact, ground and sea clutters, existed in Taiwan radar network. This work improves radar data applications like quantitative precipitation estimation. Full article(中文) http://conf.cwb.gov.tw/media/upload/20201015/long_1_O_%E7%8E%8B%E5%BF%A0%E6%96%8C_%E6%A8%A1%E7%B3%8A%E9%82%8F%E8%BC%AF%E5%88%86.pdf