实现从连续传输的SDH字节流中找出帧头、提取F1字节，并按照64K速率分别串行输出F1码流及时钟，其中64K时钟要求基本均匀。文件包含报告文档-SDH transmission from a continuous stream of bytes to identify header, extract F1 bytes, respectively, in accordance with 64K-rate serial output bit stream and clock F1, of which 64K clock requires a basic uniform. File contains the report of the document