noisy communication channel

基本解释

In the modern digital communication system, error control coding is an important technique to guarantee the reliable message transmission over noisy channel.
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。
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To achieve this goal, communication system must overcome the unfavorable effects brought by wireless channel, for instance, time-variant, frequency-selective and noisy wideband radio etc.
为了实现这一目标，必然要克服无线信道带来的诸多不利影响，如功率受限、空间变化、时间变化、频率变化等。