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TY - CONF AU - Deng, Q.Y. AU - Cao, J.S. AU - Yue, J. ED - Petit-Jean-Genaz, Christine ED - Arduini, Gianluigi ED - Michel, Peter ED - Schaa, Volker RW TI - Beam Trip Analysis by Bunch-by-bunch BPM System in BEPCⅡ J2 - Proc. of IPAC2014, Dresden, Germany, June 15-20, 2014 C1 - Dresden, Germany T2 - International Particle Accelerator Conference T3 - 5 LA - english AB - A new bunch-by-bunch beam position measurement prototype system has been designed and built to monitor and analysis beam trip in the BEPCⅡ(Beijing Electron-Positron ColliderⅡ) machine. The fast ADC and programmable FPGA can obtain the beam information bunch-by-bunch, so we can analyze base on both time domain and frequency domain. In this paper we will presentation the system architecture and discuss some beam trip analysis result, such as beam instability, tune drifting, RF breakdown, and so on. PB - JACoW CP - Geneva, Switzerland SP - 2779 EP - 2782 KW - storage-ring KW - controls KW - positron KW - electron KW - resonance DA - 2014/07 PY - 2014 SN - 978-3-95450-132-8 DO - 10.18429/JACoW-IPAC2014-THOAA01 UR - http://jacow.org/ipac2014/papers/thoaa01.pdf ER -