1. The design finished includes a bypassable low noise amplifier (LNA) and quadrature downconverter integrated on chip.
   已经完成的设计包括一个片上集成的可直通式的低噪声放大器（LNA）和一个片上集成的低频转换式的混频器。
2. Through installing inphase(I) channel and quadrature (Q) channel, the effect of the carrier can be eliminated in NDLL.Therefore, the noncoherent demand of NDLL is satisfied.
   环路通过设置同相支路和正交支路，能够 在处理控制中消除载波的影响，从而满足环路的非相干性要求。
3. JCQ depurant-muffler is adopted on 49ZQ engine using small rare-earth element balls as catalyst and took the method of quadrature frequency band optimization to opetmize the configuration parameters.
   用于492Q发动机的JCQ净化消声器采用稀土小球为催化剂，用正交频带加权优化法优选消声器结构参数，取得良好的消声、净化性能。

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