Laser is the key component in multichannel optical fiber CATV system for improvement of the signal quality, especially in 1 550 nm VSB-AM system based on the g.
激光器是多频道光纤CATV系统中提高传输信号质量的关键器件,特别是在受色散和非线性影响的基于G。
The CATV systems have been used by thousand families and the optical fiber CATV must be the major form of the ground broadcast in the 21st century.