Orbit noise analysis in Shanghai Synchrotron Radiation Facility storage ring

tang siwei; yin chongxian; liu dekang

Volume 22 Issue 07

Jun. 2010

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tang siwei, yin chongxian, liu dekang. Orbit noise analysis in Shanghai Synchrotron Radiation Facility storage ring[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

tang siwei, yin chongxian, liu dekang. Orbit noise analysis in Shanghai Synchrotron Radiation Facility storage ring[J]. High Power Laser and Particle Beams, 2010, 22.

tang siwei, yin chongxian, liu dekang. Orbit noise analysis in Shanghai Synchrotron Radiation Facility storage ring[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

tang siwei, yin chongxian, liu dekang. Orbit noise analysis in Shanghai Synchrotron Radiation Facility storage ring[J]. High Power Laser and Particle Beams, 2010, 22.

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Orbit noise analysis in Shanghai Synchrotron Radiation Facility storage ring

1.
Shanghai Institute of Applied Physics,Chinese Academy of Sciences,Shanghai 201800,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100049,China

Publish Date: 2010-06-30

Abstract

Abstract

The analysis of power density spectrum (PDS) and integral PDS has been implemented for orbit noise analysis in the Shanghai Synchrotron Radiation Facility(SSRF) storage ring. The beam position monitor signal processing in Liberas, which are the orbit measurement electronics, and the PDS calculation algorithm (Welch method) are described in this paper. Then the measured orbit noise PDS and integral PDS are presented. The result indicates that the main orbit noise sources are ground vibration, girder resonant vibration and 50 Hz power supply noise. The orbit noise analysis is useful to reduce orbit noise and increase orbit stability.
- shanghai synchrotron radiation facility,
- beam position monitor,
- noise,
- power spectrum analysis,
- integral power spectrum,

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