A discriminating method of frequency stabilization system for travelling-wave LINAC

Xi Dexun Sha Xiangyue

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A discriminating method of frequency stabilization system for travelling-wave LINAC

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- A discriminating method of frequency stabilization system for travelling-wave LINAC
- NUCLEAR TECHNIQUES Issue 12, (1993)
- 作者机构：
  
  1. 南京大学
  2. 南京大学,南京,210008
- 作者简介：
- 基金信息：
- DOI：
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- Published：01 December 1993
- 稿件说明：
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[1]席德勋,沙湘月.行波电子直线加速器稳频系统的鉴频方法[J].核技术,1993(12):737-742.

Xi Dexun Sha Xiangyue. A discriminating method of frequency stabilization system for travelling-wave LINAC[J]. Nuclear techniques, 1993, (12): 737-742.
[1]席德勋,沙湘月.行波电子直线加速器稳频系统的鉴频方法[J].核技术,1993(12):737-742. DOI：

Xi Dexun Sha Xiangyue. A discriminating method of frequency stabilization system for travelling-wave LINAC[J]. Nuclear techniques, 1993, (12): 737-742. DOI：

摘要

稳频系统的频率稳定度取决于谐振腔体的有载品质因素。因电子直线加速器的功率源是脉冲磁控管

其功率谱为（siny/y）

形状

无限增大品质因素是不正确的。由帕息维尔定理知道腔体平方律检波器输出信号的面积正比于腔体输出能量

于是当磁控管振荡频率改变时

该信号面积的变化等效于腔体输出能量的变化。根据上述原理获得了品质因素的上限和推荐表达式。

Abstract

The frequency stability of the frequency stabilization system is dependent on the loaded figure merit of the resonant cavity. To increase the figure merit infinitely is not correct because the power spectrum has a （siny/y）2 form for the pulse magnetron which is the power source of a LINAC. From the Parseval theory

area of the output signal of the square-law detector terminatied by the cavity will be directly proportional to output energy of the cavity so that the variation of the signal area is equivalent to that of output energy as oscillation frequency of the magnetron is changing. On the basis of this principle

a recommended expression and the upper limit of the figure merit are given.

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Digital I/Q technology used for magnetron frequency control

Related Author

ZHONG Shaopeng

ZHAO Minghua

ZHANG Junqiang

ZHONG Shaopeng

ZHAO Minghua

ZHANG Junqiang

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Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus

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