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。
2
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。
3
In this paper, the binary sequence is constructed based on the time domain expression of pseudo-random multi-frequency waveform.