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本文研究了在光纤通信模拟发射机中减少交叉调制失真的一种新的补偿方法——准前馈法。从理论上分析了交调失真减少的量值与补偿系统中的增益平衡和相位平衡的关系。实验系统中已获得交调失真分量15—20分贝的改进。
In this paper, we study a new compensation method to reduce crosstalk distortion in optical fiber communication analog transmitters - quasi-feedforward method. The relationship between the magnitude of crosstalk reduction and gain balance and phase balance in compensation system is theoretically analyzed. Improved crosstalk component 15-20 dB has been obtained in the experimental system.