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Dive into the research topics where Li Guojun is active.

Publication


Featured researches published by Li Guojun.


international conference on future computer and communication | 2010

Automatic reception of High-frequency CW telegraph with Support Vector Machine

Zhou Xiaona; Li Guojun; Jiang Yong; Zeng Li

High-frequency CW telegraph has been an important tactical comunication mode. The reception of CW telegraph primarily requires manual work. Thus, its accuracy is easily affected by human physiology. To improve its reception efficiency and provide a partial substitute for human effort, an automatic detection and recognition system was proposed. The system presented here utilizes Kalman filtering algorithm to extract the time domain characteristics of CW signals and Support Vector Machine to deal with unstable code speed. Experimental results revealed that the proposed system generated high recognition rate.


Archive | 2013

Method for identifying sino atrial node electrogram based on integration of wavelet transform and support vector machine

Wang Linhong; Li Guojun; Yin Hongjian; Zhou Xiaona; Liu Ruiqiang; Mao Xiaoqun


Archive | 2017

Mixed Chinese character encoding method applicable to low-speed rate emergency communication

Li Guojun; Wang Yuchong; Tan Lu; Xu Xiaofei


Archive | 2017

NVIS fast frequency selection system and method based on passive monitoring

Li Guojun; He Shibiao; Zhou Xiaona; Jia Xinjie; Li Gaofeng; Zhang Deping; Wang Xiong; Hu Minghui; Xu Xiaofei


Archive | 2017

Short wave area emergency mobile communication semi-blind frequency selection system and method thereof

Li Guojun; Jia Xinjie; He Shibiao; Zhou Xiaona; Li Gaofeng; Zhang Deping; Wang Xiong; Hu Minghui; Xu Xiaofei


Archive | 2017

Digital coherent narrow pulse generator

Zhang Deping; He Shibiao; Li Guojun; Qian Linjie; Hu Jun


Archive | 2016

Communication station equipment maintenance support capability assessment method based on principal component analysis

Li Guojun; Zhou Xiaona; He Shibiao; Yang Xixian; Li Gaofeng; Jia Xinjie; Zheng He


Archive | 2016

Single-channel maternal abdominal wall fetal heart rate robust estimation method for home monitoring

Li Guojun; Li Junbing; Zhou Xiaona; Ye Changrong; Bao Yang


Archive | 2016

Physiological signal detection system based on multi-channel flexible integration

Li Guojun; Zhou Xiaona; Ye Changrong; Hu Yongzhi; Hu Minghui; Bao Yang; Qiang Shengze; Song Chuanzuo


Archive | 2013

Sinus node electrogram obtaining method and sinus node electrogram obtaining system based on distributed electrodes

Wang Linhong; Wang Zhengyong; Yin Hongjian; Li Guojun; Liu Ruiqiang; Mao Xiaoqun; Zhou Xiaona

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Zhou Xiaona

Chongqing Communication Institute

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Jiang Yong

Chongqing Communication Institute

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Zeng Li

Chongqing Communication Institute

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Zheng He

Chongqing Communication Institute

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