..............page:327-333
..............page:319-326
..............page:305-309
..............page:310-318
..............page:292-297
..............page:276-279
Design of a Control System of Compensation for the Focal Displacement of Feed of a 50m Antenna
li zhe1; 2; zhang hong-bo1; kong de-qing1; fu qiang3; geng jing-chao3; zhang yu-feng4(1.national astronomical observatories; chinese academy of sciences; beijing 100012; china; 2.graduate university of the chinese academy of sciences; beijing 100049; china; 3.the 54th research institute of the china electronics technology group corporation; shijiazhuang 050081; china; 4.institute of tracking and telecommunication technology of beijing; beijing 100094; china)
..............page:271-275
..............page:259-263
..............page:298-304
..............page:264-270
Test and Analysis for the Performance of a Magnetostrictive Micro-displacement Actuator
zhang meng-liang1; 2; qi yong-jun1; yang bin-tang3(1.national astronomical observatories/nanjing institute of astronomicaloptics and technology; the chinese academy of sciences; nanjing 210042; china; 2.graduate university of the chinese academy of sciences; beijing 100049; china; 3.shanghai jiaotong university; school of mechanical engineering; shanghai 200240)
..............page:342-346
..............page:334-341
..............page:280-291