by phase detection.
In real world, because noise,航母 can be located in the order of ten nautical miles by your method of 四边声纳根据时间差, if you can communicate between your four stations.
by phase detection.
In real world, because noise,航母 can be located in the order of ten nautical miles by your method of 四边声纳根据时间差, if you can communicate between your four stations.