LD-75 is an absolute hydroacoustic Doppler lag that measures the speed of the carrier relative to the bottom at distances from 4.5 metres to 1000m. When the distance from the carrier to the ground is more than 15 metres, the device additionally determines the speed of movement relative to the water layer.
It is intended for installation on surface ships and on underwater vehicles of various types. LD-75 belongs to the class of hardware-software complexes solving the tasks of positioning marine objects in real time mode.
The client part of the software can be equipped with the module of autonomous calculation of the object movement trajectory.
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