🌐EnglishEnglishDeutschPortuguêsفارسی日本語EntityQ4412028· pop 5· linked from 39 articlesPhase problemloss of information concerning the phase that can occur when making a physical measurementAvailable in 5 languagesDeutschPortuguêsFinnishفارسیvia Wikidata sitelinks · CC0Connectionsdigital object identifierEntitywavelengthEntityCategoriesCrystallographyInverse problems