发明名称 |
Advanced vertical array beamformer |
摘要 |
The advanced vertical array beamformer signal processor accomplishes acoustic beamforming of an underwater vertical array used in shallow water utilizing matched beam processing to suppress generated noise and/or ship radiated noise thereby increasing the detectability of a submerged source emitting only a low noise signal. The processor exploits the difference of the signal arrival angle of both active and passive signals with that of the wind generated noise and ship radiated noise which is prominent in downward refractive sound speed profiles. After filtering the undesired noise, the processor uses the depth of the source as a clue for detection; the processor is an energy detector focused on the returns of a deep source.
|
申请公布号 |
US6009045(A) |
申请公布日期 |
1999.12.28 |
申请号 |
US19980133852 |
申请日期 |
1998.08.13 |
申请人 |
THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY |
发明人 |
YANG, TSIH C.;YOO, KWANG B. |
分类号 |
G01S3/802;G01S3/86;(IPC1-7):G01S3/86 |
主分类号 |
G01S3/802 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|