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介绍了光纤传输数字电视的意义、电视信号分量数字化的标准和优点。利用自行研制的２７０Ｍｂ／ｓ光发射机和光接收机，建立了分量数字电视信号的光纤传输系统，直接传输了１００ｋｍ光纤，系统传输无误码，传输后图像质量不变。光接收机灵敏度达－２９．２４ｄＢｍ，动态范围为１３．５ｄＢ。无压缩电视图像的传输对于远程医疗和演播室间转输节目等有非常实际的意义。
The significance of optical fiber transmission of digital television and the standards and advantages of digitization of television signal components are introduced. The self-developed 270Mb / s optical transmitter and optical receiver are used to set up the optical fiber transmission system of component digital TV signals. The optical fiber transmission system directly transmits 100km optical fiber. The system transmits without error and the image quality remains the same after transmission. Optical receiver sensitivity of -29.24dBm, dynamic range of 13.5dB. The transmission of uncompressed TV images is very meaningful for telemedicine and studio transfer programs.