@inproceedings{oai:nitech.repo.nii.ac.jp:00006429, author = {Mouri, Motoaki and Takumi, Ichi and Yasukawa, Hiroshi}, book = {2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)}, month = {}, note = {Fort Worth, Texas, USA, 23-28 July 2017}, pages = {5763--5766}, publisher = {IEEE}, title = {Implementation of Valid and Stable Algorithm of QL1-NMF for Analyzing Environmental ELF Magnetic Signals}, year = {2017} }