摘要
文章介绍了实现在电视信号上叠加字符的方法,并具体给出了一个实际用于水井电视检修的视频字符叠加器的软硬件。
In this paper,the generalized Hamming weights of BCH codes are studied,with the lower bounds on these weights given and some values of them determined.
出处
《电子科技》
1997年第3期58-61,共4页
Electronic Science and Technology
关键词
视频
字符叠加器
电视数字技术
error correcting code,BCH code,generalized Hamming weight