Extinction ratio is ratio of logic "1" average optical power to logic "0" average optical power under the worst reflection and complete modulation condition.
消光比是指在最坏反射条件时，全调制条件下，逻辑“1”平均光功率与逻辑“0”平均光功率的比值。
It introduces a method that USES FX489 to complete GMSK modulation and demodulation, it's performances is analyzed.
提出了一种利用FX489实现GMSK调制解调的方法，分析了其性能。
The high-speed digital signal processing can complete the complicated the algorithm of control, and suit for the velocity modulation system that create the high performance.
数字信号处理器运行速度快，能够完成复杂的控制算法，适合于建立高性能的调速系统。
The high-speed digital signal processing can complete the complicated the algorithm of control, and suit for the velocity modulation system that create the high performance.
数字信号处理器运行速度快，能够完成复杂的控制算法，适合于建立高性能的调速系统。
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