Multi-task master control system for remote sensing satellite image processing load

A satellite image and image processing technology, applied in the field of interdisciplinary science, which can solve complex problems

Active Publication Date: 2017-06-13
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition to the above-mentioned task requirements for on-board data processing and analysis, the necessary tasks such as inter-board communication, status monitoring, and command issuance of remote sensing satellite image processing loads are also complicated.

Method used

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  • Multi-task master control system for remote sensing satellite image processing load
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  • Multi-task master control system for remote sensing satellite image processing load

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0037] The functional positioning of the main control system disclosed in the present invention on the satellite image processing load is a manager whose primary function is to monitor the status of the satellite image processing load and implement task scheduling to ensure the normal operation of the entire satellite image processing load and to be responsible for coordinating the satellite imag...

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Abstract

The invention discloses a multi-task master control system for a remote sensing satellite image processing load. A CPU+2FPGA framework is adopted, wherein an embedded real-time operating system is transplanted into a CPU to serve as a master control management module for completing state monitoring and task scheduling of the remote sensing satellite image processing load, which has high flexibility, safety and stability; an FPGA can overcome the defects of the CPU with different interrupt priority levels and limited interrupt vector tables under multiple time sequence interfaces when used for integrating and issuing communication information, and can meet the requirements for real-time performance and low delay under a large data size when used for preprocessing images. The system structure design can effectively achieve the master control management function, meet the requirements for highly parallel processing of images and operation of complex floating-point numbers, and meet the requirements for safety, reliability and high flexibility of the system.

Description

technical field [0001] The invention belongs to the field of interdisciplinary science and technology combining satellite-borne electronic systems and image processing, and more specifically relates to a remote sensing satellite image processing load multi-task master control system. Background technique [0002] Remote sensing satellite image processing has many load tasks. According to the geometric position relationship among the satellite, the earth and the sun, the deep space area of ​​the earth, the change of seasons and the day and night conditions can be determined quickly to determine the monitoring area to achieve different monitoring purposes; at the same time, the sensor will generate a large amount of image data and Remote sensing information needs to be transmitted to the ground, and satellite image processing loads are required to compress and transmit these data in real time; monitoring tasks require remote sensing satellite image processing load sensors to ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042G06V20/13
CPCG05B19/0423G05B2219/25257B64G1/1021G01C21/24G01C21/025G06F9/5011G01S5/163G01S3/7867G06V20/13B64G1/361G01S3/781G06F9/3877G06F9/4881G06T7/246G08B13/1961
Inventor 张天序周雨田崔宗阳张磊姚守悝阙明明
Owner HUAZHONG UNIV OF SCI & TECH
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