To reduce the side-lobe level of L-shaped expansion array and improve the output signal to interference and noise ratio(......

目的 探讨面中部复合L形截骨缩窄术开放上颌窦后的手术效果,以及对术后并发症产生的影响.方法 对2006年6月至2009年8月收治的67......

介绍了关于一定规格范围内的L型板抓取的柔性机械手的设计.根据L型板的抓取、定位点焊接及船形焊接工作任务特点,详细论述了柔性机......

目的找到新的1-紧优双环网无限族。方法利用双环网的k-紧瓦母型理论进行推导。结果给出了一类新的1-紧优双环网无限族。结论拓展了......

单频悬臂梁式压电振动能量采集器存在工作频带窄、采集转换效率低等问题。通过在单频悬臂梁式压电振动能量采集器的水平悬臂梁末端......

在计算出等肢L形截面双向偏压柱正截面承载力的x-y,-相关曲线的基础上,用约束方程来逼近这些相关曲线,指出该约束方程形式简单,便......

涡流和热成像检测技术均可应用于导体材料评估和无损探伤。传统的涡流检测系统分辨率低,无法对缺陷轮廓进行精确定量;而传统的热成......

Let and let be the set of four ribbon L-shaped n-ominoes. We study tiling problems for regions in a square lattice by . ......

A joint two-dimensional(2D)direction-of-arrival(DOA)and radial Doppler frequency estimation method for the L-shaped arra......

With the completion of the Qinghai-Tibetan Railway,economic development of related areas has been greatly accelerated.Th......

This paper presents an experimental study of the broadband energy harvesting and dynamic responses of an L-shaped piezoe......