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    • 4. 发明授权
    • Sonar simulation system using advanced digital to video conversion
techniques
    • 声纳仿真系统采用先进的数字视频转换技术
    • US4973252A
    • 1990-11-27
    • US198335
    • 1971-11-12
    • Thomas A. Krueger
    • Thomas A. Krueger
    • G01S7/52G01S7/62
    • G01S7/52004G01S7/6227
    • A sonar simulation system comprises a general purpose digital computer andn 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.
    • 声纳模拟系统包括通用数字计算机和接口处理器,其从计算机接收要模拟的效果的位置和强度信息,并且在范围和方位上展开效果以模拟PPI显示。 PPI上显示模拟量程单元,分辨率为0.5度,使得单元格之间的时间为46微秒。 在每个46微秒间隔期间,所有的声纳效应被独立地和相继地检查以确定它们是否对待显示的下一个单元有贡献。 将每个贡献者的强度相加以输出到声纳接口设备。