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Dive into the research topics where Zhang Zongjun is active.

Publication


Featured researches published by Zhang Zongjun.


asia pacific conference on communications | 1999

Simulation analysis of the air interface protocol for TETRA system

Zhang Zongjun; Lui Yi; Zhang Naitong; Wang Bin

The developing prospect of the digital trunking system is introduced. On the basis of the computer simulation for the Trans-European Trunked Radio (TETRA) air interface protocol, the collision ratio and the mean number of successful access in the main control channel (MCCH) with the random access method of the ALOHA protocol is analyzed and proved as well as the relationship between call loss, channel utilization and the system traffic. The capacity for the users of the standard mode of TETRA system is then calculated.


Archive | 2016

Remove no raise dust instrument of repairing

Zhang Zongjun; Tang Yungang; Yao Dawei; Wang Jian; Wu Dinghua; Chen Changlin; Liu Pengcheng; Wang Kai


Archive | 2016

Lightweight, high-intensity and self-compact concrete

Zhang Zongjun; Tang Yungang; Yao Dawei; Wang Jian; Wu Dinghua; Chen Zhanglin; Wang Tiezhu; Shen Hao; Li Xuchun


Archive | 2016

Drawing of patterns equipment of prefabricated wallboard

Jiang Shaojie; Zhang Zongjun; Tang Yungang; Yao Dawei; Wang Jian; Wu Dinghua; Chen Changlin; Huang Huang; Cao Xiang


Archive | 2017

Novel decorative heat-insulating integrally-prefabricated external wall panel and construction process thereof

Zhang Zongjun; Yao Dawei; Chen Changlin; Wang Zhenli; Qi Huawei; Yang Fan


Archive | 2017

Demoulding and lifting turnover device for polygonal prefabricated toilet

Jiang Shaojie; Zhang Zongjun; Liu Pengcheng; Cao Xiang; Huang Jiangbing; Wang Bin; He Zhengbing; Wang Jidong; Wang Songshu


Archive | 2017

Public/private network interconnection and intercommunication system and method based on private network clusters and 3G/4G public network

Wang Jian; Zhao Hanqing; Zhou Xin; Zhang Zongjun; Chen Chi; Zhao Junming


Archive | 2017

Novel hollow core slab

Jiang Shaojie; Zhang Zongjun; Tang Yungang; Yao Dawei; Wang Jian; Wu Dinghua; Chen Changlin; Shao Minglu


Archive | 2017

Automatic cleaning system for wallboards

Zhang Zongjun; Tang Yungang; Wang Jian; Liu Pengcheng; Cao Xiang; Yang Chao; Wang Bin; He Zhengbing; Sun Xin; Zhang Guodong


Archive | 2016

Vertical combination mold for production of precast concrete component

Jiang Shaojie; Zhang Zongjun; Tang Yungang; Huang Huang; Wang Bin

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Wang Jian

Chinese Academy of Sciences

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Zhang Naitong

Harbin Institute of Technology

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Li Peng

Chinese Academy of Sciences

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