two frame alternate memory 两帧轮换存储
In order to solve the phenomenon of splitting picture which is caused by dismatching of writing and reading speed during converting 50Hz based interlaced signal to 60Hz based progressive signal,the two-frame memory which can effectively prevent it emerging is used.
为了解决50Hz隔行信号到60Hz逐行信号转换中由于存储器写入、读出速度不匹配而产生的裂像现象，在本设计中使用了双帧存储器，有效的防止了此现象的产生。
参考来源 - 扫描转换技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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