The new method for obtaining a random signal radar waveform by means of random multi- element code PPM is proposed.
本文提出了用随机多元码进行脉位调制（PPM）获得随机信号雷达波形的新方法。
The random profile graph experiment has demonstrated the waveform measured by the piezoelectric pickup that can really reproduce the profile of roughness surface.
随机轮廓图形实验，验证了压电传感器测得的波形能真实地复现表面特征的实际轮廓。
In this paper, the binary sequence is constructed based on the time domain expression of pseudo-random multi-frequency waveform.
本文以伪随机多频波在时间域上的表达式为基础，构建了产生伪随机多频波的二进制序列。
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