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升余弦滚降系统的眼图和功率谱，滚降系数为0.5。发送码元取值为0、2。
Raised Cosine the eye and power spectrum, roll-off factor of 0.5. This code value for 0,2 billion.
这幅图表明，频率响应是非常平滑地贯穿整个频率范围和高音喇叭的受控离轴滚降。
This figure shows that the power response is very smooth throughout the whole frequency range, and the controlled off-axis roll off of the tweeter.
现代数字通信中广泛采用平方根升余弦滚降数字滤波器作为基带成形滤波器和匹配滤波器。
Square-root raised cosine roll-off digital filter was widely applied to baseband shaping filter and match filter in modern digital communication.
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