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Dynamic compensation method used in acquisition process of laser communication between motion terminals

A technology of laser communication and capture process, which is applied in the direction of navigation through velocity/acceleration measurement, free space transmission, electromagnetic wave transmission system, etc., which can solve the problem of increasing capture time, increasing the capture uncertainty area, reducing the capture probability of the system, etc. question

Inactive Publication Date: 2012-06-06
CHANGCHUN UNIV OF SCI & TECH
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Problems solved by technology

For laser communication systems with relatively short communication distances, such as air-to-ground laser communication and ground-to-ground laser communication, the deviation of the boresight caused by the relative speed per second is relatively large. In order to reduce these effects, the capture uncertainty area can be increased, thus results in an increase in capture time which in turn reduces the system's probability of capture

Method used

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  • Dynamic compensation method used in acquisition process of laser communication between motion terminals
  • Dynamic compensation method used in acquisition process of laser communication between motion terminals
  • Dynamic compensation method used in acquisition process of laser communication between motion terminals

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Embodiment Construction

[0104] A dynamic compensation method used in the laser communication capture process between mobile terminals, characterized in that the equipment required by the method and the specific implementation steps are as follows:

[0105] Required equipment: first terminal 1 and second terminal 2; such as figure 1 As shown, the first terminal 1 has the first GPS / INS navigation system 3, the first data transmission station 4 and the first gyroscope 5; the second terminal 2 has the second GPS / INS navigation system 6, the second data transmission Station 7 and second top 8.

[0106] Specific implementation steps:

[0107] Step 1. The first terminal 1 and the second terminal 2 are powered on and self-inspected respectively, and enter the working state; the first terminal 1 and the second terminal 2 are in the motion state.

[0108] Step 2, the first data transmission station 4 measures the position of the first terminal 1 obtained by the first GPS / INS navigation system 3 in the WGS-84...

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Abstract

The invention proposes a dynamic compensation method used in acquisition process of laser communication between motion terminals, which belongs to the technical field of laser space communication. In the method, through comprehensive analysis of the relative position and speed of two motion terminals, angle values and directions of the two motion communication terminals needing compensation per second in the horizontal direction and the pitching direction are accurately calculated; the influence of the relative position and speed on acquisition routes is eliminated; acquisition probability isimproved while acquisition time is shortened; and fast high-probability acquisition between space motion communication terminals is realized.

Description

technical field [0001] The invention relates to a dynamic compensation method used in the capturing process of laser communication between moving terminals, and belongs to the technical field of space laser communication. Background technique [0002] Space laser communication refers to a communication method that uses space-transmitted laser as an information carrier between two communication terminals. Space laser communication technology has a series of advantages such as large information capacity, high transmission rate, good channel concealment, strong anti-interference ability, strong electronic countermeasure ability, strong anti-strike ability, low system power consumption, small size, light weight, and relatively high cost performance. , Overcoming the shortcomings of traditional radio frequency and microwave communication in many aspects, it has been more and more widely used in the field of communication. [0003] Due to the uncertain position of airborne platfo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C21/18H04B10/00H04B10/11
Inventor 赵义武韩成姜会林佟首峰赵馨张立中
Owner CHANGCHUN UNIV OF SCI & TECH
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