1. Our office is comparted by a partition board.

2. Cause we can't compart workmentalize, either.

3. As a whole the system may compart three modules: TDI drivers in the kernel mode, the dll program in the user mode and the user application program.

4. As a whole the system may compart three modules:main program , monitoring application programs who access network, filtering network packets.

5. This scheme makes use of the advantages of wavelet to improve the frequency spectrum compart character between different channels, the transmission is very well even under the badly ISI condition.