100MeV直线加速器束流位置探测器系统包括BPM(Beam position monitor)、BPM前端电子学、基于束流的准直模块(Beam based calibration,BBC)、高频信号切换模块和AD模块。本文详细介绍了BPM前端电子学和数据采集系统设计。最后给出了在100...100MeV直线加速器束流位置探测器系统包括BPM(Beam position monitor)、BPM前端电子学、基于束流的准直模块(Beam based calibration,BBC)、高频信号切换模块和AD模块。本文详细介绍了BPM前端电子学和数据采集系统设计。最后给出了在100MeV直线加速器中测试的BPM系统性能。展开更多
In this paper,we introduce the most key points during the implementation of Bunch-by-Bunch transverse feedback system of HLS(Hefei Light Soure),such as the vector computation,the notch filter development,the data proc...In this paper,we introduce the most key points during the implementation of Bunch-by-Bunch transverse feedback system of HLS(Hefei Light Soure),such as the vector computation,the notch filter development,the data processing,the phase space reconstruction method based on Hilbert transform,the mode analysis,and the development of feedback kicker cavity.展开更多
Recently many accelerator parameters are measured by using the digital technology.A data acquisition circuit board adopting software radio technology has been developed.With this circuit board and RF front-end produce...Recently many accelerator parameters are measured by using the digital technology.A data acquisition circuit board adopting software radio technology has been developed.With this circuit board and RF front-end produced i-tech company one can comprise the BPM system.A bunch length monitor composed of the circuit board,power splitter, mix,and band filter has been examined for the bunch length measurement of HLS.The data acquisition circuit board can be further improved,for example,the Ethernet can substitute VME;direct high frequency sampling can substitute medium frequency sampling;using large FPGA.Those will further improve the performance of the data acquisition system,and be the goal of developing this system in the future.展开更多
文摘100MeV直线加速器束流位置探测器系统包括BPM(Beam position monitor)、BPM前端电子学、基于束流的准直模块(Beam based calibration,BBC)、高频信号切换模块和AD模块。本文详细介绍了BPM前端电子学和数据采集系统设计。最后给出了在100MeV直线加速器中测试的BPM系统性能。
文摘In this paper,we introduce the most key points during the implementation of Bunch-by-Bunch transverse feedback system of HLS(Hefei Light Soure),such as the vector computation,the notch filter development,the data processing,the phase space reconstruction method based on Hilbert transform,the mode analysis,and the development of feedback kicker cavity.
文摘Recently many accelerator parameters are measured by using the digital technology.A data acquisition circuit board adopting software radio technology has been developed.With this circuit board and RF front-end produced i-tech company one can comprise the BPM system.A bunch length monitor composed of the circuit board,power splitter, mix,and band filter has been examined for the bunch length measurement of HLS.The data acquisition circuit board can be further improved,for example,the Ethernet can substitute VME;direct high frequency sampling can substitute medium frequency sampling;using large FPGA.Those will further improve the performance of the data acquisition system,and be the goal of developing this system in the future.
