Evaluation and monitoring method for deep charging risk of medium in satellite
A deep charging and satellite technology, applied in data processing applications, instruments, calculations, etc., can solve the problems of continuous monitoring and evaluation, inability to effectively evaluate the bad condition, excessive or insufficient internal medium charging of satellites, etc., to improve user experience and risk The effect of convenient monitoring and accurate evaluation results
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Embodiment 1
[0041] This embodiment provides a method for assessing and monitoring the risk of deep charging of the satellite internal medium, referring to figure 1 and figure 2 , the method includes the following steps:
[0042] Step S10, Obtain the surface electron flux F of the two energy channels of the internal medium of the satellite to be measured 1 , F 2 , and respectively the surface electron flux F 1 , F 2 and the commonly used standard energy value E 1 =0.8MeV and E 2 =2MeV is substituted into the differential spectrum formula of high-energy electrons: F=AE B (1) Calculate the high energy electron spectrum parameters A and B.
[0043] Specifically, the differential energy spectrum formula of high-energy electrons: F=AE B (1)
[0044] Middle F is the high-energy electron flux with energy E on the orbit, and the unit is cm -2 the s -1 sr -1 MeV -1 , the unit of E is MeV, and A and B are constants.
[0045] Generally, the standard high-energy electron data usually gi...
Embodiment 2
[0095] On the basis of the first embodiment above, the embodiment of the present invention provides another method for evaluating and monitoring the risk of deep charging of the internal medium of the satellite. The method of this embodiment first adopts the same method as that of the first embodiment to conduct As for the assessment of the risk of deep charging, the specific process will not be repeated here.
[0096] In the process of implementation, it needs to be explained that when obtaining the total electron flux F incident on the satellite internal medium at the first observation moment, the initial charging voltage U of the given satellite internal medium 1 =U 0 . A large number of experiments have proved that after a certain period of time, the actual charging voltage is only related to the incident electron flux, so the initial voltage can be within a reasonable range.
[0097] In a preferred embodiment, it also includes continuously monitoring the charging voltag...
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