对一种新型电动堆垛机液压系统的设计进行了探讨,通过采用升降液压缸与货叉伸缩液压缸并联的方法以及手动液压控制阀和电磁阀的有机组合,使该液压系统实现升降和货叉伸缩的功能
Gram-Schmidt orthogonalization algorithm is an interesting theme in the field of adaptive beam-forming and filtering as a fast algorithm. However, a key problem
The backscattering of light wave from arbitrarily convex dielectric objects withrough surface is investigated and formulas for calculating the backscattering cr
采空区影响带的地表稳定性问题已成为城市建设及发展的重要制约因素,为妥善解决这一问题并能合理地规划利用土地资源,本文结合董家沟煤矿地表变形监测的研究项目,对合理地布设监测网点、科学掌握并进一步评价采空区变形程度和影响范围及采空区各类变形可能引起的危害采取的相应预防措施等问题进行了系统的分析研究,为地表与地下建筑物的安全使用和土地的合理利用提供科学依据。
In this paper,the application of extraction principle for logic function minimiza-tion to multi-output case is studied.A defect in original algorithm in dealing
Based on the analysis of Adaptive Moving Target Indication(AMTI) and the signal processing of Synthetic Aperture Radar(SAR), a complete compatible system of AMT
The problem considered in this paper is to interpolate a virtual uniform array froma real two-dimensional array with arbitrary geometry via an interpolation mat
The concepts of complementary cofactor pairs, normal double-graphs and feasible torn vertex seta are introduced. By using them a decomposition theorem for first
In this paper,the theory of uniform filter banks using all-pass tilters is furtherdeveloped.A new structure of two stage filter banks using all-pass filter is p
The electromagnetic field integral equation in the quasi-optical cavity is obtained using the dyadic Green’s function. An expression is derived for the input i