In terms of basic technology, it shows that China's academic research and industrial base has mastered advanced LO/VLO shaping techniques.
在基础技术方面，表明了中国的学术研究和工业基地已经掌握了先进的LO/VLO成形技术。
In the paper, the samples of polyethylene threphthalate (PET) under the different shaping techniques and heat treatment conditions have been studied by means of TMA and DSC methods.
本文采用热机械分析（TMA）和差示扫描量热分析（DSC）等实验手段，对不同成型工艺和预热处理条件下的PET试样进行了研究。
Then, it introduces the applications of the IF sampling in radar signal processing, and the over sampling and noise shaping techniques and FFT to improve the receiver dynamic range technology.
其次，介绍了中频采样在雷达信号处理中的应用和过采样技术及其噪声整形、FFT提高接收机动态范围的技术。
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