经过限带滤波后的QDPS K信号的码元波形可分为稳定区与过渡区，根据这一特点可以利用DFT方法来实现信号的解调和位同步。
After a bandpass filter, QDPSK signal's symbol can be divided into steady section and transition section, so the demodulation and synchronization for the signal can be realized with DFT.
家蝇的左复眼与右复限、复限的背区与腹区中，小网膜细胞呈镜像对称排列。
The arrangement pattern of the retinula in the right, left compound eye and dorsal, ventral regions of the compound eye are the mirror image inversion.
沁水盆地南部周缘被挤压性断裂褶皱带所围限，区内缓坡带形成煤层气富集区。
The margin of the southern Qinshui Basin is confined by faulted fold belts, the enrichment region is formed in gentle slope area.
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