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Satellite orbit analog testing system

A technology for simulating testing and satellite orbits, applied in transmission monitoring/testing/fault measurement systems, transmission systems, relay system monitoring, etc. Algorithm complexity and other issues

Inactive Publication Date: 2005-01-05
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

With this method, since the value of the wedge angle cannot be too large, the scanning angle range is limited, and the control algorithm is relatively complicated

Method used

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  • Satellite orbit analog testing system
  • Satellite orbit analog testing system

Examples

Experimental program
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Embodiment Construction

[0026] See first figure 1 and figure 2 , figure 1 It is the structural principle and control schematic diagram of the embodiment of the satellite orbit simulation test system of the present invention. As can be seen from the figure, the satellite orbit simulation test system of the present invention is composed of five major parts:

[0027] 1. Analog optical terminal 1

[0028] Analog optical terminal 1 includes communication laser 11 and beacon laser 12

[0029] 2. Main control computer 2;

[0030] 3. Measurement and control drive system 3, including angle conversion circuit 31, vertical axis motor control circuit 32 and amplification drive circuit 33, vertical axis angular displacement sensor 34, horizontal axis motor control circuit 35 and amplification drive circuit 36, horizontal axis angular displacement sensor 37 .

[0031] 4. The universal turntable 4 includes a vertical axis torque motor 41, a horizontal axis torque motor 42, a universal turret rotating structure...

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Abstract

A satellite track analog test system includes an analog optical terminal, a master control computer, a tested laser communication terminal charactering in constituting a control test drive system and a universal swing table, among which,, the cross point of the tested laser communication terminal vertical shaft and a horizontal shaft is coincident with the cross point of a mechanical structure vertical shaft and horizontal shaft of the universal swing table to be passed by the analog optical terminal light shaft. In the master control computer, a database is set storing data of a pitch angle and azimuth angle of the satellite track by driving the universal swing table accurately.

Description

Technical field: [0001] The invention relates to laser communication, in particular to a satellite orbit simulation test system in the process of simulating the relative movement between two satellites. This system will be used in the ground laboratory to verify and evaluate the performance of the inter-satellite laser communication system for tracking and targeting parameters. It can also provide a new technology for analyzing the experimental results for the development of inter-satellite laser communication. Look, the system is a large-caliber, precision-controlled opto-mechanical device. technical background: [0002] Inter-Orbit Satellite Laser Communications (Inter-Orbit Satellite Laser Communications) refers to the use of laser beams as information carriers to achieve a communication method between two application targets. Its key communication range includes low-orbit-low-orbit (LEO-LEO ), low orbit - geostationary orbit (LEO-GEO) and geostationary orbit - geostatio...

Claims

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Application Information

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IPC IPC(8): H04B7/15H04B10/07H04B10/11H04B17/391H04B17/40
Inventor 章磊刘立人朱勇健邓绍更栾竹张明丽万玲玉孙建锋
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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