滤波器是现代数字通信的一个关键部件，对数字通信的影响重大。
The filter is the key part of modern data communications, playing an important influence of the data communications.
非线性编码与解码是现代数字通信对数字信号处理常用的一种技术。
Nonlinear encoder and decoder are common techniques of digital signal processing that are widely used in digital communications.
现代数字通信中往往采用数字复接技术扩大信息的传输容量并提高信道利用率。
The digital multiple connection technique is applied to expand the capacity of the information transmission and raise the efficiency of the channel.
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.
在现代数字通信系统中信道编译码技术已经成为通信系统保证信息传输可靠性的重要手段之一。
In the modern digital communication system, error control coding is an important technique to guarantee the reliable message transmission over noisy channel.
其中，通过语音传递信息是人们最重要、最有效和最方便的通信和交流方式，语音通信在现代数字通信系统中占有重要的地位。
As speech is the most important, efficient and convenient way in communications, speech communication holds the importance in modern digital communication system.
其中，通过语音传递信息是人们最重要、最有效和最方便的通信和交流方式，语音通信在现代数字通信系统中占有重要的地位。
As speech is the most important, efficient and convenient way in communications, speech communication holds the importance in modern digital communication system.
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