The polyphase filtering channel receiver (PPCR) and non-equally dividedchannel discussed in this paper, are new techniques which are just applied software radio conceptions.
Based on the different entrainment mechanisms, the smoke movement in a long channel can be divided into four stages.
根据卷吸机理不同，可将通道内烟气蔓延过程分为四个不同阶段。
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In the implementation, we used the multiprocessing method in QNX to analyze the general flow chart of system, and divided the realization of dual downstream channel into three modules.