...制与解调-无忧助学网 关键词 PI/4-QPSK；同相信道；正交信道；调制；差分解调 [gap=1427]Keywords PI/4-QPSK, In-phase channel, Quadrature channel, Modulation, Differential demodulation ...
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in phase channel 同相通道
When the reaction products form as high melting point CA2, CA6 and MA spinel in a continuous solid phase it will clog the liquid channel and resist the further diffusion of fused slag in the brick.
并且当熔渣与耐火材料的反应产物为高熔点的CA2、CA6和MA尖晶石相且连续交错分布时，能堵塞液相扩散通道，抑制熔渣向耐火材料内部的进一步渗透。
Because of the fading characteristic in troposcatter channel, the mechanism of traditional phase locked loop is difficult to achieve the effect in troposcatter communication.
由于对流层散射信道存在严重的衰落现象，故而传统的锁相环机制在散射通信中往往难以奏效。
The process of supersonic steam water two phase flow in a channel with variable section is studied experimentally and the pressure profiles along the channel are obtained.
通过对超音速汽液两相流在变截面通道中的升压过程的实验研究，得到了变截面通道内超音速汽液两相流的压力分布规律。
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