A portable laser communication device

Abstract

The invention discloses a portable laser communication device, which comprises: a support device and a casing, and an information processing module, a transmitting module, a receiving module, a control module and a power supply module are arranged inside the casing. The present invention performs radio frequency communication on a specific frequency band through the wireless transceiver unit to realize optical communication calibration, that is, according to the position information and direction information of the laser emitting hole and the laser receiving hole of the two parties, and the GIS geographic information stored in the GIS geographic information unit, Calculate the height adjustment information of the telescopic drive device and the angle adjustment information of the rotary drive device, so as to control the height adjustment value of the telescopic drive device and the angle value of the rotary drive device with high precision, and then quickly realize the alignment of the optical communication laser transceiver hole , to improve the accuracy of optical communication; when the location of optical communication is really unable to carry out radio frequency communication, use an aiming unit (such as a telescope) to visually observe multiple times to achieve the alignment of optical communication laser transceiver holes, which is flexible and practical.

Description

technical field [0001] The invention relates to the field of laser communication, and more specifically relates to a portable laser communication device. Background technique [0002] Optical communication is a communication technology that uses light waves as information carriers. Space optical communication can generally be divided into: space satellite laser communication, atmospheric laser communication and underwater laser communication. Atmospheric laser communication uses laser beams as the carrier of information transmission, and uses the atmosphere as the transmission medium to directly perform two-way transmission of information such as voice, data, and images in space. The physical implementation of optical communication is divided into two parts: optical signal transmission and optical signal reception. Among them, the optical signal transmitting part includes: an input and processing circuit that converts the signal source signal into an electrical signal that...

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Problems solved by technology

[0003] At present, most atmospheric laser communication devices are used for high-speed data communication between fixed points, that is, the form of communication is mostly limited between two fixed points, and the optical system used is relatively large and the divergence angle is small. The machine has a large volume and high power consumption; in terms of erection, high-precision alignment technology is required, the erection speed is slow, and it is difficult to move again after erection

However, the wireless optical communication technology between mobile platforms mostly uses complex servo mechanisms for tracking and aiming. Therefore, the wireless laser communication equipment developed for mobile platforms is large in size and heavy in weight, and its flexibility is severely limited; when field operations are required, It is necessary to set up the laser communication machine in dangerous environments such as mountain tops and ravines. The existing large-scale communication machine is very difficult to move and erect. At the same time, it is difficult to find the signal, which brings great difficulties to field work.

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