directional相关论文
Joint roughness coefficient(JRC) is the key parameter for the empirical estimation of joint shear strength by using the ......
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Spatial precession is a special micro-motion of the spinning-directional target,and the micro-Doppler signature of the c......
Directional speech enhancement of signals from microphone arrays is an effective way to improve speech recognition for c......
Synthetical analyzing the deep geophysical data within Bohai bay basin the authors detect the deep crustal struc-ture pr......
For improving the estimation accuracy and the convergence speed of the unscented Kalman filter(UKF),a novel adaptive fil......
There is a more consanguineous relation be-tween nano-scale deformation of coal structure and meta-morphic-deformed envi......
The dream of epitaxially integrating III-nitride semiconductors on large diameter silicon is being fulfilled through the......
We demonstrate the use of stochastic collocation to assess the performance of photonic devices under the effect of uncer......
A new air-water dual source heat pump water heater with heat recovery is proposed.The heat pump system can heat water by......
Rising concern in environmental issues on global scale has made energy saving in powered equipment a very important subj......
To develop electromagnetic protection composites with integrated structure -function properties, the three-dimension (3D......
目的 建立一种基于等位基因专一性 PCR原理的单核苷酸多态 (single nucleotidepolymorphism ,SNP)分型新方法 :单管双向等位基因......
This paper extends a prediction model for multi-directional random wave transformation based on an energy balance equati......
An overview of the development and current status of the directional solidification process assisted by liquid metal coo......
The slideway design is the key in the design of the disc vibrating feeder.However,no reliable theoretical guidance has c......
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AZ61Mg alloy was multi directionally forged(MDFed) during decreasing temperature condition from 643 K to 483 K at a true......
A numerical model is proposed based on the time domain solution of the Boussinesq equations using the finite element met......
The conception of “main direction” of multi-dimensional wavelet is established in this paper, and the capabilities of ......
In this paper, a novel and simple CPW-fed planar monopole antenna is presented for UWB application. The antenna is fabri......
An artificial fish-swarm based coverage-enhancing algorithm(AFCEA) for visible light sensor networks is proposed.In AFCE......
This paper presents a self-assembly control strategy for the swarm modular robots. Simulated and physical experiments ar......
The existing hydraulic system always have problems of temperature rise,runningstability and anti-interference of the im......
Structure features need complicated pre-processing, and are probably domain-dependent. To reduce time cost of pre-proces......
Permittivity of composites used for Luneburg lens antennas by drilling holes based on 3-D printing t
Due to the attractive performances such as the ability of beam focus,broadband,multi-beam scanning and other features,Lu......
The full-duplex(FD) based wireless communication devices,which are capable of concurrently transmitting and receiving si......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
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Based on the isomorphism between the space of star-shaped sets and the space of continuous positively homogeneous real-v......
Spatial channel characteristics in the outdoor hotspot environment based on wideband MIMO measuremen
Wideband multiple-input multiple-output (MIMO) channel measurements were performed at 5.25GHz in the hotspot environment......
随着信息技术的发展．定位．定向日益广泛地应用于部队快速机动，成为处理突发事件必不可少的手段和工具。利用现代高精度传感器，实现快速......
机载综合导航系统方位信号模拟器可用于机载综合导航系统处于全向测向和定向测向两种工作方式下,方位系统工作情况的检测,是对综合......
In order to prepare the bulk samples with high residual magnetization of magnetic compounds, such as (Sm,La)2(Co,Cu,Fe,Z......
主要论述大树苗移植中需要注意的几个技术要点,包括大树苗移植的准备工作、运输方式、定向栽植、修剪以及养护等,以供相关技术人员......
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本文叙述了核电站反应堆大型压力容器几何尺寸检测的一整套精密工程测量技术方法,给出了检测技术工艺流程和主要数据处理模型.......
伴随着人们对近年来新闻事件的关注和了解,关于瓦斯的概念已经越来越清晰。因为开采技术的发展,目前瓦斯的防止已经由原来单一形式......
介绍了消防应急疏散指示标志的行业现状，提出了一种以激光为光源的消防应急激光导向器。利用激光在任何情况下仍具有的良好的穿透性......
充填采矿法采矿是减少矿山矿产资源浪费和环保的一项开采新技术,具有良好的社会效益、经济效益。锡铁山铅锌矿充填孔因地层复杂,工......
本文针对目前合成孔径辐射计中存在的相关器单元过于复杂,难以星载应用的问题,提出了一种新的数字相关方法.借鉴了软件无线电中的......
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以屯兰矿TL-U-18301煤层气井为研究对象,研究“U”型井施工工艺,通过合理的钻孔布置,过卸压区对下组煤煤层气进行抽采,以解决采掘......
分析并统计了图像经小波变换后低频子带系数的区域特性和各高频子带系数的方向区域特性,并据此提出了一种新的基于小波系数区域特......
介绍了位于青岛市的原审计局、卓琴宾馆、瑞丰苑酒店的爆破拆除，包括爆破总体方案设计，爆破参数设计、起爆网路设计、爆破安全防护和......
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