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- Through testing, its noise figure is 5.5dB, mixing gain is 5dB, its image frequency rejection adds up to 19dB, which all meet the requirements for the system (NF=7.5dB, Gain=3dB) . 经测试，该接收机前端的噪声系数为5.;5dB，变频增益为5dB，镜频抑制度为19dBc，均超过了系统要求的指标(噪声系数7
- image frequency rejector 镜频抑制器
- image frequency rejection ratio 像频抑制比
- image frequency rejection 镜频抑制度
- I/Q imbalance problem causes finite rejection in the image frequency band, and the image interference will alias into the desired signal, severe distortion will occur. I/Q不平衡问题将会造成接收机的镜像干扰排斥能力大幅降低，镜像干扰将使得欲接收的信号严重失真。
- image frequency monitored control 视频监控
- The influence of different parameters on mirror frequency rejection is analyzed to ensure the pulse edge character after intermediate frequency sampling and to reduce mirror frequency as much as possible. 分析了不同系统参数对镜频抑制的影响 ;以保证脉冲边沿特性 ;并尽可能减少镜频影响 .
- The heroine is the spitting image of the author. 书中女主人翁是作者的真实写照。
- Digit image frequency correlation method and its application 数字图像频域相关分析法及其应用
- I have this image of you as always being cheerful. 在我的心目中，你的样子总是兴高采烈的。
- The minister is trying to improve his public image. 部长正在努力提高他自己的公众形象。
- His good image has stolen up on my brain. 他的良好形象已渐渐在我头脑中形成。
- minimum intermediate frequency rejection 最小中频抑制比
- She is the express image of her mother. 她和她母亲长得一模一样。
- intermediate frequency rejection 中频抑制
- Interference Frequency Rejection Unit 干扰频率滤波器
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- The display image of an area on a document. 在文卷上，某区的显示图象。
- intermediate frequency rejection ratio 中频抑制比
- The scandal hurt the government's image badly. 这丑闻严重损害了政府的形象。
