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Method for processing real-time data of lunar satellite interference imaging spectrometer

A technology of interferometric imaging and spectrometer, applied in the field of data processing, which can solve the problems of lack of fast and efficient monitoring and display

Inactive Publication Date: 2012-10-03
NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

At present, there is a lack of fast and efficient monitoring and display methods for the real-time status of the lunar satellite interferometric imaging spectrometer

Method used

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  • Method for processing real-time data of lunar satellite interference imaging spectrometer
  • Method for processing real-time data of lunar satellite interference imaging spectrometer
  • Method for processing real-time data of lunar satellite interference imaging spectrometer

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0022] The real-time data transmitted by the lunar satellite interference imaging spectrometer of the present invention mainly includes payload engineering data, telemetry data and scientific data.

[0023] Engineering data and telemetry data are divided into real-time and delayed data.

[0024] Engineering data refers to the working state parameters collected by the interferometric imaging spectrometer when the lunar satellite is in orbit, which can be downloaded in real time, or stored in a large-capacity memory to be inbound and downlinked.

[0025] Telemetry data refers to the state parameters of the interferometric imaging spectrometer collected by the lunar satellite, forming a data source package, which is also div...

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Abstract

The invention discloses a method for processing real-time data of a lunar satellite interference imaging spectrometer. The method comprises the following steps: receiving original bitstream data transmitted by a satellite; carrying out bit synchronization, frame synchronization, descrambling and RS (radio sonde) coding processing on the original bitstream data to obtain framing data; extracting data of a specific virtual channel in the framing data; processing the data of the specific virtual channel and sorting source packet data of the interference imaging spectrometer; performing format reforming on the source packet data to generate a data block of the interference imaging spectrometer; converting the data block into interference imaging spectrometer data with actual physical meaning and carrying out viewport display; and interpreting the displayed data, and judging whether the data is normal or abnormal. According to the method disclosed by the invention, the real-time data of the lunar satellite interference imaging spectrometer can be processed and monitored comprehensively and accurately in real time, thus the working state and detection result of the interference imaging spectrometer can be effectively monitored and displayed, and the load condition can be controlled and adjusted in real time according to the monitored result.

Description

technical field [0001] The invention relates to a data processing method, in particular to a processing method for real-time data of a lunar satellite interferometric imaging spectrometer (abbreviated as IIM), which is used to realize real-time processing and quick view of the real-time data of the lunar satellite interferometric imaging spectrometer. Background technique [0002] The scientific payload installed on the lunar resource exploration satellite is the detection equipment with scientific detection capability carried on the satellite. [0003] Interferometric imaging spectrometer, as a kind of scientific payload, is usually used to survey and obtain the content and distribution of useful elements and material types on the lunar surface, so as to provide a two-dimensional spectral sequence map of the lunar surface, a map of the content and distribution of mineral types on the lunar surface, and A map of the distribution of rocks on the lunar surface. [0004] Durin...

Claims

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Application Information

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IPC IPC(8): G01J3/45
Inventor 刘建军王芳张文喜边伟任鑫温卫斌黄旻朱海华付强李春来
Owner NAT ASTRONOMICAL OBSERVATORIES CHINESE ACAD OF SCI
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