Search method of draught monitor satellite
A drought and satellite technology, applied in the field of satellite remote sensing, can solve problems such as ignoring the comprehensive utilization of multi-source data, affecting the efficiency and accuracy of drought monitoring of remote sensing satellite data, and achieving the effect of optimizing observation schemes, improving accuracy and timeliness
Inactive Publication Date: 2011-11-23
BEIJING NORMAL UNIVERSITY
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However, these studies often use a single data source for agricultural drought remote sensing monitoring, ignoring the comprehensive utilization of multi-source data, which affects the efficiency of remote sensing satellite data use and the accuracy of drought monitoring
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[0024] 1.1 Satellite remote sensing system
[0025] The remote sensing technology system generally consists of four parts: remote sensing platform, sensor, remote sensing data receiving and processing system, and remote sensing data analysis and interpretation system, among which remote sensing platform, sensor and data receiving and processing system are the three main technical factors that determine the success or failure of remote sensing technology application . The satellite platform and sensors are responsible for obtaining remote sensing information, and the ground control-processing system is responsible for monitoring the working status of the satellite, sending various instructions to the satellite in time, directing the work of the star and the sensor, and being responsible for receiving and processing data.
[0026] 1. Satellite platform
[0027] Satellite orbit parameters are used to describe the position, shape and orientation of satellites in space. Consists ...
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A search method of a draught monitor satellite comprises: 1. determining central wavelength (M2) and bandwidth (L2) required by a draught monitor model; 2. retrieving central wavelength (M1) and bandwidth (L1) contained in one piece of satellite image information from a pre-stored satellite information database; 3. judging whether the central wavelength (M2) and bandwidth (L2) required by the draught monitor model and the retrieved central wavelength (M1) and bandwidth (L1) contained in the piece of satellite image information meet the preset conditions; 4. if the preset conditions are met, reserving the retrieved satellite image information, if not, returning to step 2; 5. determining corresponding sensor type according to the retrieved central wavelength (M1) and bandwidth (L1) contained in the piece of satellite image information in step 4 so as to determine and acquire the sensor for the satellite image information; and 6. acquiring the satellite type of the sensor carrying the sensor type from a sensor form in the satellite information database according to the determined sensor type, and determining the required satellite information based on the determined satellite type.
Description
technical field [0001] The invention relates to satellite remote sensing technology for drought monitoring, in particular to a method for searching drought monitoring satellites using a satellite monitoring model system. Background technique [0002] Since the Soviet Union sent the world's first artificial satellite "Human 1" into orbit around the earth in 1957, thousands of satellites have orbited the earth. A large number of these satellites are available for surface monitoring, but no one has collected and sorted them out. [0003] Since the application of remote sensing technology in agricultural drought monitoring research, a multi-source, multi-spectral and multi-method drought remote sensing monitoring system has been formed. However, these studies often use a single data source for agricultural drought remote sensing monitoring, ignoring the comprehensive utilization of multi-source data, which affects the efficiency of remote sensing satellite data use and the accu...
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IPC IPC(8): G01S17/88
Inventor 武建军周磊刘明
Owner BEIJING NORMAL UNIVERSITY