<http://webisa.webdatacommons.org/prov/58218251>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/69134027> .
<http://webisa.webdatacommons.org/69134027>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/69134027>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/69134027>	<http://www.w3.org/ns/prov#value>	"Moreover, there is a sequence in which the received signal is altered in frequency by the injected signals at the three stages of mixers." .