在＂一带一路＂的大框架之下,我国各项工程建设加快了速度,其中尤其以西北的水利、交通、轨道建设方面收效显著。以甘肃省为例,为加快完成＂6363＂水利保障行动方案和甘肃省政府要求
This letter proposes a time-domain volume integral equation based method for analyzing the transient scattering from a 2D inhomogeneous cylinder by involking th
In this letter a new skeletonization algorithm is proposed. It combines techniques of fast construction of Euclidean Distance Maps(EDMs), ridge extraction, Hit-
The binary extended Golay code has a two-level structure, which can be used in the decoding of the code. However, such structure is not limited to the Golay cod
建筑物的暖气、冷气和照明方面的能源消耗占全世界2/3,而且会造成大量能源浪费和环境污染,是全球变暖的主因,因此未来的建筑物必须更加的节能环保。空气胶、混合太阳能照明系
How to distribute a secret key information to n authorized departments, denoted as: S1, S2,…, Sn, respectively. For every autherized department Si(i = 1,2,… ,
With reference to the air target detection of ultra-wide band (UWB)/impulse radar(IR), the transient signal processing techniques was discussed. In weak UWB sig
This letter presents an anonymous off-line electronic payment model with multiple issuing-banks and gives an implementation scheme based on the discrete logarit
随着计算机技术的不断提高、应用的不断拓展,计算机图形学、计算机虚拟技术的深入发展,在机械创新设计方面,出现了一系列新技术,提高了产品设计和制造过程的效率,大幅降低了产品的成本,带来了机械行业的飞速发展。本文浅谈几种以计算机技术为支撑的机械创新设计模式、创新设计领域中前沿设计方法及理论,最终提出一些意见和自己的看法。
Based on the matrix representation, a new method is proposed to calculate the partial derivatives of the likelihood probability of an HMM with respect to its pa