Transmission electron microscopy (TEM) and high resolution electron microscopy (HREM) indicate that nano crystalline diamonds have hexagonal lattice and cubic lattice.
透射电镜(TEM)和高分辨电镜(HREM)分析表明，所制备的纳米晶金刚石为立方金刚石和六方金刚石晶体。
A high resolution time delay estimation based on the LS lattice adaptive AR power spectrum estimation is proposed.
本文提出了一种基于最小二乘（LS）自适应AR建模的时延估计方法。
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