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Spaceborne whole-airspace anti-collision warning system

An alarm system, full airspace technology, used in radio wave measurement systems, radio wave reflection/re-radiation, utilization of re-radiation, etc. Effect

Inactive Publication Date: 2018-05-22
SHANGHAI RADIO EQUIP RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the millimeter-wave anti-collision warning radar adopts a frequency-modulated continuous wave system, two separate antennas are required for sending and receiving. When realizing long-distance detection, a larger antenna size is required, resulting in the volume and weight of the millimeter-wave anti-collision warning radar exceeding the constraints of the satellite platform.

Method used

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  • Spaceborne whole-airspace anti-collision warning system
  • Spaceborne whole-airspace anti-collision warning system
  • Spaceborne whole-airspace anti-collision warning system

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Embodiment Construction

[0025] The present invention will be further elaborated below by describing a preferred specific embodiment in detail in conjunction with the accompanying drawings.

[0026] A space-borne full-airspace collision avoidance warning system, including: a pair of MIMO radars, which are symmetrically installed on the sky-facing surface and the ground-facing surface of the satellite, each MIMO radar generates a fan-shaped beam covering a 90° elevation range in the hemispherical airspace; each The MIMO radar is arranged on a rotating mechanism, and the rotating mechanism drives the MIMO radar to rotate 360° in azimuth, covering the entire hemispheric airspace (see figure 2 ).

[0027] The aforementioned MIMO radars include:

[0028] A MIMO radar front end, which includes M transmit / receive modules (T / R modules), each transmit / receive module generates a transmit waveform, and each transmit waveform is orthogonal to each other;

[0029] A signal processing module is connected with th...

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Abstract

The invention discloses a spaceborne whole-airspace anti-collision warning system, which comprises a pair of MIMO radars. The MIMO radars are symmetrically arranged on the to-sky surface and the to-ground surface of a satellite; each MIMO radar generates fan beams covering the 90-DEG pitch range of hemispherical airspace; each MIMO radar is arranged on a rotation mechanism; and the rotation mechanism drives the MIMO radar to rotate in a 360-DEG direction, and the whole hemispherical airspace is covered. On a satellite platform with limited size, power consumption and weight, a one-dimensionalrotation MIMO radar working system is adopted, wide transmitting and narrow receiving of multiple orthogonal beams in a 0 DEG-90 DEG pitch dimension can be realized, and in match with a direction dimension rotation mechanism, whole-airspace quick searching and lasting tracking of a space non-cooperative target can be realized.

Description

technical field [0001] The invention relates to a satellite-borne full airspace anti-collision warning system, which belongs to the technical field of radar systems and signal processing. Background technique [0002] The spaceborne collision avoidance warning system aims at the collision threat of space debris and other space non-cooperative targets faced by spacecraft, and realizes full airspace and long-distance collision avoidance warning on a satellite platform with limited volume, power consumption and weight. At present, no literature related to spaceborne collision avoidance warning system has been retrieved. The existing collision avoidance warning system includes reverse collision avoidance warning system, ADS-B aircraft operation monitoring system, laser warning radar, millimeter wave vehicle collision avoidance warning system, etc., but None of the existing anti-collision warning systems can meet the functional performance requirements of spaceborne anti-collisio...

Claims

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Application Information

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IPC IPC(8): G01S13/93G01S13/72G01S13/02
CPCG01S13/02G01S13/723G01S2013/0245G01S13/933
Inventor 李雁斌黄勇魏颖江利中邹波唐琳
Owner SHANGHAI RADIO EQUIP RES INST
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