首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   2篇
  免费   0篇
航空   2篇
  2003年   1篇
  1999年   1篇
排序方式: 共有2条查询结果,搜索用时 375 毫秒
1
1.
This article represents the research results of the television space surveillance system, or, in other words, the optical surveillance system. The purpose of the work is the design of a specialized optical surveillance system, stabilization and surveillance equipment, and a television unit. The system's simplified structural and functional scheme is described, as well as its justification and operation principle. The application prospects are estimated.  相似文献   
2.
This article is about the development of a 3 mm wave range pulse radar designed for short-range navigation and collision avoidance. The basic technical specifications of the radar are given, and the functional scheme and construction features are described  相似文献   
1
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号