该文介绍用双脊波导作信号端制作毫米波宽频带混频器的设计方法。

A design method of mm wave mixer with double ridged waveguide used as signal port has been presented.

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基于DFT和自相关理论，该文提出了一种双正弦信号频率的快速估计方法。

A method, which realizes the fast frequency measurement for dual sinusoidal signals basing on DFT and autocorrelation theory, is given.

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介绍了双路信号电源监测装置的工作原理、实现方法、主要功能与抗干扰措施。

This paper introduces the working principle, realizing method, main functions and anti-intrusion measures of two-way signal power supply monitoring and failure logging devices.

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