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现代彩色电视信号传送,是把包含有红、绿、蓝三幅画面信息的色差信号(E_R—E_Y)、(E_B—E_Y)利用彩色付载波通过平衡正交调制、频谱编织等一系列技术措施来实现的。这些技术之所以能够实施是以电视信号的频谱分布规律为依据的。因此彩色电视信号的频谱是研究、掌握彩色电视技术的一个重要理论问题。
Modern color television signal transmission is a series of technical measures, such as the use of color-coded carrier waves through balanced quadrature modulation and spectrum braiding, for the color difference signals (E_R_E_Y) and (E_B_E_Y) containing the information of red, green and blue pictures To achieve. The reason why these technologies can be implemented is based on the frequency spectrum of television signals. Therefore, the spectrum of color television signals is an important theoretical issue to study and master color television technology.