Turbo码编码的C语言实现。 Turbo码是如今通信技术中非常重要也非常普遍的编码，广泛应用在移动通信中。-Turbo coding in C language. Turbo Codes ICT is now a very important also very common coding, widely used in mobile communications.

光缆通信在我国已有20多年的使用历史，这段历史也就是光通信技术的发展史和光纤光缆的发展史。光纤光缆在我国的发展可以分为这样几个阶段：对光缆可用性的探讨；取代市内局间中继线的市话电缆和pcm电缆；取代有线通信干线上的高频对称电缆和同轴电缆。-cable communications in China has more than 20 years of use history, this is history - the development of ICT and in the history o