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- W2384762231 abstract "By analyzing the radiation dose on PIN photodetectors in space radiation environment,the variation of photocurrent and dark current after radiation was obtained.On the basis,the bit error rate of satellite laser communication based on space radiation dose of PIN photodetectors was established.According to simulation,when radiation dose was about 5×104 Gy and 8×104 Gy,bit error rate reached10-6 induced by 50 MeV and 10 MeV protons separately;and when radiation dose was within the range of5×105 Gy~6×105 Gy,electrons and gamma-ray irradiation also caused increase in bit error rate to 10-6.The principle of damage dose on bit error rate was investigated,and the influence of decision threshold on bit error rate was further discussed.The result shows that when radiation dose is 1MGy,if decision threshold is increased from 4.3×10-7 A to 5.5×10-7 A,bit error rate will decreases about 4orders of magnitude.Hence,aproper decision threshold can improve system bit error rate efficiently." @default.
- W2384762231 created "2016-06-24" @default.
- W2384762231 creator A5048992193 @default.
- W2384762231 date "2014-01-01" @default.
- W2384762231 modified "2023-09-23" @default.
- W2384762231 title "Bit Error Rate of Satellite Laser Communication System Based on Space Radiation Dose of Photodetectors" @default.
- W2384762231 hasPublicationYear "2014" @default.
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