Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:technology
|
| gptkbp:application |
fishing
oceanography marine navigation military detection |
| gptkbp:detects |
submarines
schools of fish sea floor |
| https://www.w3.org/2000/01/rdf-schema#label |
sonar
|
| gptkbp:inventedBy |
20th century
|
| gptkbp:principle |
sound wave reflection
|
| gptkbp:relatedTo |
gptkb:radar
ultrasound |
| gptkbp:standsFor |
gptkb:Sound_Navigation_and_Ranging
|
| gptkbp:type |
active sonar
passive sonar |
| gptkbp:usedBy |
fishermen
ships submarines |
| gptkbp:usedFor |
detecting objects underwater
measuring water depth |
| gptkbp:bfsParent |
gptkb:marine
gptkb:radar gptkb:ship gptkb:signal_processing gptkb:Navy |
| gptkbp:bfsLayer |
4
|