The audio interface of the low-speed communication module is connected to the audio interface channel existing on the tactic data terminal and is connected to the radio station.
低速通信模块的音频接口连接战术数据终端原有的音频接口通道并与电台相连。
It is difficult to transmit the video data in low-speed narrow-band wireless channel and guarantee the subjective quality of video image during video communication.
在低速率的无线信道上传输视频数据，并保证视频图像的主观质量是视频通信的难点。
Convolutional code is still the channel coding in low speed data transmission services in 3g.
在3g中卷积码仍然是低速数据的信道编码。
Convolutional code is still the channel coding in low speed data transmission services in 3g.
在3g中卷积码仍然是低速数据的信道编码。
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