Each channel remains at an assignedfrequency within a single band.
每个信道在单一的频段内保持分配的频率。
2
In FDM (typically used for analog signals) the channel is subdivided into subchannels, each with a different frequency width that is assigned to a specific signal.
在分频多任务（用于模拟讯号），信道切割成次信道，每个信道具有不同的频率宽度，指定给特定的讯号。
3
The number is assigned based on the magazine's specific characteristics, including number of pages, frequency of publication and other factors.