1008-1739
1990 Issue 6
..............page:1-6
TRENDS OF SATELLITE TV TOWARD 2000 YEAR
Mao Hengguang
Mao Hengguang
..............page:7-9
A SIMULATION OF HYBRID CIRCUIT ANDPACKET SWITCHING
Liu Li Chen Junbi
Liu Li Chen Junbi
..............page:10-17
..............page:18-21
ke shi dian hua xi tong de xian zhuang yu zhan wang
he yong ji ;
he yong ji ;
..............page:22-24
..............page:25-26+66
yong yu shu zi feng wo wu xian dian hua de man tiao pin duo zhi
wen yong xing ;
wen yong xing ;
..............page:27-42
..............page:43-48
CURRENT STATUS AND DEVELOPMENT ON ANTENNA SYSTEMS FOR MICROWAVE RELAY STATIONS AND EARTH STATIONS
Hu Guizhen
Hu Guizhen
..............page:49-57
TRENDS ON ANTENNA AND ITS MINIATURIZATION
Liu Dianwen Li Jian
Liu Dianwen Li Jian
..............page:58-66
..............page:67-73+21
DESIGN OF WIDE/NARROW BANDWIDTH HELIX FILTER
Zhang Liyi Wang Shengkun
Zhang Liyi Wang Shengkun
..............page:74-79+9
..............page:80-81