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hljxufeng

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Two types of sub-bottom profiler are manufactured. These are “chirp” and active (pulsed) continuous  wave
systems. Chirp sub-bottom profilers offer greater bottom penetration than continuous wave systems and are
superior to seismic systems in terms of range resolution and reduced ensonification.  For example, a chirp
SBP mounted on an AUV can typically provide seafloor penetration of 5-100 metres, depending  on  bottom
type, and a 10 cm range resolution while ensonifying an area less than 18 metres in diameter from an altitude
of 50 metres.
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