公开(公告)号：US20160135278A1

公开(公告)日：2016-05-12

申请号：US14900601

申请日：2013-11-19

Applicant: NUCTECH COMPANY LIMITED

Inventor： Shangmin SUN ,  Zhanfeng QIN ,  Sheng YAO ,  Weifeng YU ,  Liwei SONG ,  Chunguang ZONG ,  Jinning LIANG

IPC: H05H7/02 ,  G01V5/00 ,  H05H9/04

CPC classification number: H05H7/02 ,  G01V5/0016 ,  H05H9/048 ,  H05H2007/027

Abstract: The present invention provides a standing wave electron linear accelerator comprising a modulator and a magnetron for producing radio frequency microwaves; a plurality of accelerating tubes for accelerating electrons; a microwave transmission system for feeding the microwaves into the plurality of accelerating tubes; a plurality of electron guns for emitting electron beams into the plurality of accelerating tubes; a plurality of targets impinged by the electrons from a plurality of accelerating tubes to form continuous spectrums of X-rays; a plurality of shielding devices for shielding the continuous spectrums of X-rays generated by the targets; and a microwave distributor disposed adjacent to the end of the microwave transmission system, wherein the microwave distributor has a microwave inlet and a plurality of microwave outlets for distributing the microwaves in the microwave transmission system into the accelerating tubes.

Abstract translation: 本发明提供了一种驻波电子线性加速器，其包括用于产生射频微波的调制器和磁控管; 用于加速电子的多个加速管; 微波传输系统，用于将微波馈送到多个加速管中; 多个电子枪，用于将电子束发射到多个加速管中; 由多个加速管撞击的电子的多个靶，以形成X射线的连续光谱; 多个屏蔽装置，用于屏蔽目标产生的X射线的连续光谱; 以及布置在所述微波传输系统的端部附近的微波分配器，其中所述微波分配器具有微波入口和用于将所述微波传输系统中的微波分配到所述加速管中的多个微波出口。

公开(公告)号：US20210364620A1

公开(公告)日：2021-11-25

申请号：US17256851

申请日：2019-06-06

Applicant: NUCTECH COMPANY LIMITED

Inventor： Shangmin SUN ,  Yu HU ,  Sheng YAO ,  Tao WANG ,  Xibin YIN

IPC: G01S13/38 ,  G01S7/40 ,  G01S13/34

Abstract: The present disclosure provides a smart automatic frequency control (AFC) apparatus, including: a phase shift module, connected to a first signal input terminal and configured to: receive an incident wave from the first signal input terminal, perform a phase shift on the incident wave according to a phase shift parameter so as to generate a phase-shifted signal, and output the phase-shifted signal to a phase detection module; and the phase detection module, connected to the phase shift module and a second signal input terminal and configured to: receive a reflected wave from the second signal input terminal, perform a phase detection on the phase-shifted signal and the reflected wave so as to generate a phase difference signal, and output the phase difference signal via a control interface.