镜像抑制(Image Rejection): 降频的动作是希望将接收的高频信号降到中 频范围,使后级A/D 转换器有能力处理信号,降 频一般使用混波器来完成。
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... 灵敏度(Squelch sensitivity): 镜像抑制(Spurious Rejection): 失真度(T.H.D): ...
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This paper presents a novel design for 3cm image rejection mixers using small sized waveguides.
本文着重阐述了一种新的波导端口小型3cm镜像抑制混频器的性能及结构特点。
参考来源 - 一种新的3cm镜像抑制混频器的设计This paper presented a X-Band Image-Reject Mixer Design and its circuit using ADS tool for debugging. The structure of mixer is improved,so it shows higher image-rejection as well as lower conversion loss.
利用ADS工具辅助设计和调试了一个X波段镜像抑制混频器。
参考来源 - X波段镜像抑制混频器设计·2,447,543篇论文数据,部分数据来源于NoteExpress
镜像抑制一直是无线发射机设计中的重点问题。
Image rejection is a significant issue in wireless transmitter design.
采用无滤波器的镜像抑制结构设计高集成度的混频集成电路,可大大提高电路的集成度及解决相关衍生的问题。
While with the filterless structure of image rejection can improve the intensity of the intergrated circuit, it can greatly improve the integration of circuit and solve the relevant problems.
在系统设计方面,选用2fsk调制方式,并从镜像频率的抑制等方面考虑,选择了合适的跳频频带。
The system chooses 2fsk modulation manner and appropriate hopping bandwidth from the aspect of mirror frequency restraining.
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