镜像频率干扰是超外差接收机特有的现象,设信号频率为fs,振荡频率为fc,中频fid=fc-fs, 在比fs高二个fid处就有一个频率fm,,它像是以fc为镜子,站在fs处看到的镜像,所以称像频。简称混频器中产生的干扰。
对飞行器超低空飞行时抑制镜像干扰问题的解决有重要的参考价值。
There is an important reference value to suppress interference of image target.
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。
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.
窗户的玻璃镜像出室外的植物,在施工期间植物没有受到任何的干扰。
The Windows mirror the foliage outside, none of which was disturbed during construction.
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