Method and system for measuring beam position of single-pass bpm

A technology of beam position and measurement method, applied in the field of high-energy physics, can solve problems such as finding no algorithm design ideas, achieve the effect of improving measurement accuracy and increasing the number of ADC sampling points

Active Publication Date: 2022-02-08
INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0003] At present, the linear BPM electronics used in the linear accelerator is provided by a Slovenian commercial company. Its linear BPM algorithm is completely closed to users, and the specific design ideas of the algorithm cannot be found in the published literature.

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  • Method and system for measuring beam position of single-pass bpm
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  • Method and system for measuring beam position of single-pass bpm

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Embodiment Construction

[0042] The application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain related inventions, rather than to limit the invention. It should also be noted that, for ease of description, only parts related to the invention are shown in the drawings.

[0043] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and embodiments.

[0044] One of the embodiments of the present invention is, please refer to Figure 5-8 , a method for measuring the beam position of a single-pass BPM, comprising the following steps:

[0045] Get the beam signal;

[0046] Perform power division processing on the beam signal to obtain 4 first an...

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Abstract

The present application discloses a method and system for measuring the beam position of a single-pass BPM. The method comprises the following steps: obtaining beam current signals; performing power division processing on beam current signals to obtain multiple first analog signals; performing equal time difference delay processing on multiple first analog signals to obtain multiple second analog signals; Perform synthesis processing on the second analog signal to obtain a third analog signal; perform filtering processing on the third analog signal to obtain a fourth analog signal; perform ADC sampling processing on the fourth analog signal to obtain a first digital signal; obtain a beam trigger signal According to the beam current trigger signal, the first digital signal is windowed and intercepted to obtain the second digital signal; the second digital signal is copied and spliced ​​to obtain the third digital signal; the third digital signal is filtered to obtain the fourth digital signal A digital signal; according to the fourth digital signal, the beam position data is obtained, the number of ADC sampling points is increased, and the measurement accuracy of the BPM is improved.

Description

technical field [0001] The present invention generally relates to the field of high-energy physics, specifically to the field of particle accelerators, and in particular to a method and system for measuring the beam position of a single-pass BPM. Background technique [0002] In the field of particle accelerators, a digital BPM (Beam Position Monitor, beam position detector) is a key device for beam position measurement. The system hardware is designed for the purpose of completing high-resolution beam position measurement. The hardware structure mainly includes: BPM probe, coaxial transmission cable, radio frequency conditioning circuit and digital processing circuit. The software algorithm is realized in the FPGA (Field Programmable Gate Array, Field Programmable Gate Array) chip of the digital processing circuit, and the computer language used is HDL (Hardware Description Language, hardware description language). [0003] At present, the linear BPM electronics used in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01T1/29
CPCG01T1/29
Inventor 叶强随艳峰曹建社岳军会杜垚垚麻惠洲杨静马宇飞张醒儿汪林黄玺洋卢艳华魏书军祝德充赵颖何俊赵晓岩于令达赵敬霞刘芳
Owner INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI
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