Sonar simulation system using advanced digital to video conversion techniques
US4973252A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1971 |
| Grant date | Nov 27, 1990 |
| Priority date | — |
| Expiry date | Nov 12, 1991 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/6227
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sonar simulation system comprises a general purpose digital computer and n interface processor which receives position and intensity information from the computer for the effects to be simulated and spreads the effects in range and bearing to simulate a PPI display. Simulated range-bearing cells are displayed on the PPI with a resolution of 0.5.degree. making the time between cells 46 microseconds. During each 46 microseconds interval, all of the sonar effects are independently and successively examined to determine if they have a contribution to the next cell to be displayed. The intensity of each of the contributors are summed for output to the sonar interface equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.