空间波法适合于测量大面积目标的介电常数,所以是测量地物微波介电特性的一种较好的方法。
The space-wave method, suitable for extended surface targets, is a preferable method for permittivity measurement of ground materials at microwave frequencies.
本文系统地研究了基于模式识别知识检测特定类目标、线性体目标和大面积目标变化的变化检测方法。
In this paper, the change detection methods using pattern recognition knowledge for the specific targets, the linear shape targets and the large area targets are discussed.
但是当它坚持一些可实现的、适当的目标时能提供有用的焦点,比如增加海洋中自然保护区的面积。
But when it sticks to achievable, measurable targets, such as increasing the area of nature reserves in the ocean, it can provide a useful focus.
机载处理系统能够同时和连续地探测和跟踪数十平方英里面积内出现的数千个小型或大型目标。
The airborne processing system can simultaneously and continuously detect and track the presence and motion of thousands of small or large targets over an area covering tens of square miles.
针对这一问题给出了改进的拟合能量模型,新模型兼顾到了目标的同质性信息与其所占面积比例的关系。
In the new energy model, the homogeneity of a target and its area ratio to background was pay attention to.
这个项目的目标是创造一个在面积上,舒适度和建筑设计语言上都与年轻客户相匹配的设计。
The goal of the design was a house that would, in its size, level of comfort and architectonic conception correspond to the modest needs of a young family.
我们的目标是融合自然与人类生活,这让我们将功能垂直分布,建筑占地面积较小,因此分配更多土地来设计景观。
Our goal of merging nature with human life led us to have vertical distribution of functions with less land occupation for building and hence allocates more portion of land to design landscape.
为了实现这一目标,Takenake将先挖一个每边长400米的地基,其面积相当于几个街区(哈利·法塔的地基仅为一个边长90米左右的三角形)。
To achieve this, Takenake will first start with a base that is 1300 feet per side, a footprint that equates to several city blocks (Burj Khalifa's triangular footprint is just 300 feet or so).
本文介绍了RCSR技术(雷达截面积缩减技术)的一般原则及其技术途径,对RCSR技术在军事目标反雷达隐身方面的应用进行了探索与研究。
The general principles and technical approaches of radar cross section reduction (RCSR) are introduced, and the application of RCSR technology in military target anti-radar stealth are studied.
这个成功并没有朝着公共利益或者朝着一个甚至对它自己来说是正面积极的目标移动。
This success does not move toward the common good or toward a positive goal even for itself.
雷达隐身包括外形设计、吸波材料和等离子体等隐身技术,其实质是降低目标的平均雷达截面积。
The stealth technology includes contour design, absorbing materials and plasma stealth technologies, the purpose is to reduce sectional area of average radar for target.
为了减少推进剂管理装置的质量和筛网使用面积,提出以最小剩余质量为目标,进行通道式表面张力管理装置的设计。
To reduce the mass of the propellant management device and the screen area used, the design was aimed to use the minimum mass to meet the requirement.
实践证明,在自动扶梯zc1蜗杆传动模糊优化设计中,选择啮合面积为目标函数是正确的、可行的。
It is proved correct and practical to choose the meshing area as the objective function in the fuzzy optical design of ZC1 worm transmission in escalator.
本文提出了一种把像素模拟与环路积分算法相结合,计算复杂形状面目标有效毁伤面积的新方法。
To calculate valid damage area of irregular targets, this paper creates a new method combine pixel simulation with circuit integral algorithm.
提高单位面积的产量是水稻育种目标永恒的主题,提高光合作用效率又是提高产量的关键因素。
Increasing yield level per unit area is forever theme for rice breeding aim, and advancing photosynthesis efficiency is one of key factors for improving grain yield.
提出一种应用求面积重心进行目标方位估计的方法,阐明了该方法的原理。
A method of target bearing estimation by means of center of gravity of area is given and the principle of the method is explained.
电磁脉冲和高功率微波装置能够在相当大的面积上使各种各样军事和基础设施的电子设备失能,这对于分散目标也是有效的。
EMP and HPM devices can disable a large variety of military or infrastructure equipment over a relatively broad area. This can be useful for dispersed targets.
最后对分割后的图像进行统计,统计矿石目标个数和面积。
Finally, make statistics to segmented image and count number and area of the ore target.
本文以总传热面积为目标函数,对不可逆卡诺制冷机进行优化分析。
The total heat-transfer area is taken, as an objective function to analyse the optimal performance of an irreversible Carnot refrigerator.
经20余年的努力,成功育成了一批基本符合上述目标的杂交水稻新三系和组合,并陆续投放于大面积生产,产生了较大经济、社会和生态效益。
Succeeded after more than 20 years, we have breeded one batch that basically to conform to the above goal hybrid rice and put in the production for a big area, society and ecology in Enshi prefecture.
本文先用面积法求出线式巡逻潜艇发现目标的概率,然后对潜艇发现目标距离作了分析。
This article first works out the finding probability of linear patrol submarines through area method. then analyses the find distance of patrol submarines.
在一定的条件下,复杂形体的目标平均雷达截面积近似地由局部反射区域平均雷达截面积的算术和来确定。
Under the certain conditions, the average RCS of targets with complex shape are generally subject to the arithmetic sum of the mean RCS by local reflection area.
本系统是为测定雷达目标散射面积而研制成的。
System for determining the cross section of radar targets has been investigated and implemented.
红外图像中包含了大面积连续的背景、红外小目标以及噪声等几个部分。
The infrared image includes several aspects: great-area continuous background, small infrared target, noise and so on.
根据激光测距方程,引入了等效散射面积的概念,分别建立了对点目标、扩展目标和线形目标测距的理论模型。
The theoretical models of point target, extended target and line target are established based on the concept of equivalent scattering area and laser ranging equation.
因为目标成像面积小只占一个像素,信噪比低,基本上被噪声所淹没,所以给检测带来了极大的困难。
Because the target only occupies one pixel, its SNR is low and the target almost be submerged by noise, these all bring huge difficulty to detection.
然后,用目标多特征识别算法对泰勒锥的周长、面积和锥高等特征进行识别,实现对泰勒锥的形态和大小实时判别;
The perimeter, area and height of the Taylor cone are recognized by the multi-featured pattern recognition algorithm to judge the shape and size of the Taylor cone.
然后,用目标多特征识别算法对泰勒锥的周长、面积和锥高等特征进行识别,实现对泰勒锥的形态和大小实时判别;
The perimeter, area and height of the Taylor cone are recognized by the multi-featured pattern recognition algorithm to judge the shape and size of the Taylor cone.
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