自动调谐的超高频信号接收器现普遍使用在小汽车上。
系统中发射器采用编码器编码后发送超高频信号，接收器采用二次混频型超外差式接收移动目标信号。
The system uses the emitter to send ultra high frequency signals after coding with signal coder and the secondary superheterodyne mixing receiver to accept the moving target signals.
为有效计算局部放电超高频信号的网格维数，提出了一种二维曲线网格维数估计方法，比原差盒计数法具有更准确的估计结果。
To calculate the gridding dimension of PD UHF signal, a gridding dimension estimate method is presented, which has a more accurate estimate results than the original difference box-counting method.
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