CORD-19:90394841ad2cbaec78bf51646d5ca1ae26fadba6 / 15861-16133 JSONTXT

{"project":"CORD-19-Sentences","denotations":[{"id":"TextSentencer_T109","span":{"begin":0,"end":272},"obj":"Sentence"},{"id":"T58664","span":{"begin":0,"end":272},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Both kernels in Equations 3 are isotropic, of the form K d,a ð Þ~1=(2pd)|f d; a ð Þ, where f d; a ð Þ is a one-dimensional kernel defined on the positive real axis (for the kernels in Equations 3, f d; a ð Þ is a negative exponential and half-Cauchy kernel, respectively)."}