1672-7797
2004 Issue 4
WiFi,WiMAX,WBMA and 3G
sun zhen qiang
sun zhen qiang
..............page:20-23
..............page:24-27
si lu yi bian cheng xiao ming xian
he guo qing ; liu de zuo ; luo su zhu
he guo qing ; liu de zuo ; luo su zhu
..............page:33
The new generation self-developed optimization tool for CDMA network
zhang yun yin ; wang ya ping
zhang yun yin ; wang ya ping
..............page:34-36
..............page:37-38
Analysis of the major frequency bands and causes of the interference from broadcasting service into aeronautical navigation service
zeng yan qiang
zeng yan qiang
..............page:39-40
Characteristics analysis of the HE200 direction-pointing antenna and its improvement & application
wang xiao ge
wang xiao ge
..............page:41-43
..............page:44
gan rao lai zi guang bo dian tai nei bu gu zhang
cheng du shi wu xian dian jian ce zhan
cheng du shi wu xian dian jian ce zhan
..............page:44-45
..............page:45
..............page:28-32
..............page:70-72
..............page:67-69
Fully-automatic portable T-star-V EMC testing system
bei jing zhong xing shi tong dian zi ke ji you xian gong si
bei jing zhong xing shi tong dian zi ke ji you xian gong si
..............page:66-66
..............page:64-65
IMDS of American Civil Aviation
chen guang
chen guang
..............page:62-63
Discussions on software radio technology
zhao zuo ; li xiao xu
zhao zuo ; li xiao xu
..............page:60-61
The new progress of national and interational GSM-R System
zhang xin yu ; wang ling ling ; zhong zhang dui
zhang xin yu ; wang ling ling ; zhong zhang dui
..............page:55-59
..............page:53-55
STATUS QUO AND FUTURE OF DIGITAL TELIVISION (Ⅱ)
wu you shou
wu you shou
..............page:1-13
..............page:14-15
..............page:15-18
..............page:19-20
yi qi tong pin gan rao de cha chu
yao yong
yao yong
..............page:45-46
Accurate measurement of frequency
zhao zheng
zhao zheng
..............page:47-49
..............page:50-52