适合802.11a的scrambler与descrambler的设计，适合OFDM系统设计的初学者，有testbench可供参考-The scrambler and descrambler for 802.11a design, OFDM system design for beginners, there are available for reference testbench

数字通信的扰码程序，保证二进制０１的数量基本相同-Digital communications scrambler procedures to ensure the same number of binary 01