High-energy proton energy spectrum calculation method and calculation system
A high-energy proton and calculation method technology, applied in the field of high-energy proton energy spectrum calculation method and calculation system, can solve the problems of satellite protection inconvenience, achieve high accuracy, reduce waste, and simple method
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Embodiment 1
[0051] This embodiment provides a high-energy proton spectrum calculation method, such as figure 1 As shown, the method includes the following steps:
[0052] Selecting a historical period, obtaining the following historical data of the historical period: high-energy proton spectrum, daily average value of ground cosmic ray intensity and high-energy proton spectrum parameters;
[0053] Analyzing the high-energy proton spectrum in the historical period to obtain a first relational expression;
[0054] Analyzing the daily average value of ground cosmic ray intensity and high-energy proton spectrum parameters in the historical period to obtain the second relational expression;
[0055] Measure the daily average of the intensity of cosmic rays on the ground during the observation period;
[0056] According to the daily average value of the ground cosmic ray intensity measured during the observation period and the first relational expression and the second relational expression, ...
example 1
[0118] By downloading the ground cosmic ray intensity observed by Oulu on September 1, 2017, which was 6553, and substituting this data into the above formula (2), the key parameter F of the space high-energy proton energy spectrum can be calculated 0 = 0.025.
[0119] The above calculation result F 0 =0.025 is substituted into formula (1), and the differential flux of the four energy points corresponding to the high-energy particle detection channel of the GOES-13 satellite on September 1, 2017 is obtained. The comparison with the satellite detection results of that day is shown in Table 2.
[0120] In the evaluation of the calculation accuracy of high-energy proton spectroscopy, the relative flux error is usually used for evaluation, and the formula is:
[0121]
[0122] where err is the relative error of the high-energy proton flux; f 0 Indicates the observed value of the differential flux of a certain energy of a satellite in the middle orbit, f c Calculates the valu...
example 2
[0127] By downloading the ground cosmic ray intensity observed by Oulu on June 15, 2015, which was 6130, and substituting this data into the above formula (2), the key parameter F of the space high-energy proton spectrum can be calculated 0 = 0.018.
[0128] The above calculation result F 0 =0.018 is substituted into formula (1), and the differential flux of the four energy points corresponding to the high-energy particle detection channel of the GOES-13 satellite on June 15, 2015 is obtained. The comparison with the satellite detection results of that day is shown in Table 3. Also calculate the relative error between the calculated value and the observed value of the high-energy proton spectrum of the observation date, and the relative error is shown in the last row of Table 3.
[0129] Table 3 Calculation results and error analysis results of high-energy proton spectroscopy on June 15, 2015 (UT)
[0130] 700-869MeV 510-700MeV 420-510MeV 350-420MeV me...
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