观察从微波混频器上取得的低频信号，波形清晰、稳定。
It was observed from the low frequency signal on the microwave mixer that the wave form was clear and stable.
第三章介绍了微波混频器及镜频抑制混频器的工作原理，讨论了设计微波镜频抑制混频器中应该注意的一些问题。
In chapter three, after presenting the working principle of mixer and image-reject mixer, some problems which should be paid attention to during the mixer design are discussed.
介绍采用微波混频器的上变频特性实现宽带平方电路的设计方法与具体实现，主要用于高码速率QPS K信号的载波恢复。
An introduction of the design and implementation of a broad-band square circuit is given, which is used to recover the carrier of the high speed QPSK signal.
将此方法在LAN上进行了尝试，证明了其同样适用于LAN上的微波混频器电路的设计，有助于满足微波混频器以及其他微波部件电路团队设计的需要。
The method is attempted in LAN, proved that it can be used to design microwave mixer circuit in LAN, which can satisfy the need for group design. Finally.
通常，外部混频器选项增加了如下两个特征，使得谐波混频器能够代替现有微波射频输入。
In general, the external mixer option adds two features that enable substitution of the harmonic mixer for the existing microwave r.
通常，外部混频器选项增加了如下两个特征，使得谐波混频器能够代替现有微波射频输入。
In general, the external mixer option adds two features that enable substitution of the harmonic mixer for the existing microwave r.
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