China Satellite Navigation Conference (CSNC) 2013 Proceedings by Jiadong Sun Wenhai Jiao Haitao Wu & Chuang Shi

Author:Jiadong Sun, Wenhai Jiao, Haitao Wu & Chuang Shi
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

Above experiment result shows that, there is crevice in the joint between shielding cartridge and the back cover of the magnetic shielding system and it affects the shielding effect. In addition, we found that, the short circuit may occur between four magnetic shielding layers during the long-term operation of the clock, and it leads to the change of the performance of the clock. In summary, it is necessary to conduct the research on the optimization of the structure of magnetic shielding, to improve the shielding effect, and to ensure the stability of the overall system.

From above experiment, we have made improvement on the structure which illustrated in Fig. 33.3 and processing method of magnetic shielding system. Non-metals vacuum materials are filled into the spaces between the magnetic shielding layers to improve the shielding effect and reliability of the magnetic shielding system.

Fig. 33.3Magnetic shielding structures after improvement

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