• This also makes some very active hams to select their station location... based on a GROUND CONDUCTIVITY, another important factor in station efficiency.

    使一些活跃爱好者精心挑选他们电台方位考虑地面导电性,这是电台是否能高效率另外一个重要因素

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  • Ground settlement is discussed based on relevant conclusion of rheologic property of soil with intrinsic time theory in this paper.

    应用基于内蕴时间理论流变性研究的有关结论地基沉降问题进行了探讨。

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  • This program focuses on the principles. technology. and maintenance of ground-based systems and equipments used to support aviation flight operations and space operations.

    航空航天雷达技术专业学生学习地面系统的原理、技术和设备用于支持航空飞行操作太空作业

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  • Based on the study of radar signal processing technology and algorithm, a new signal processing system for ground PD radar is proposed in this paper.

    本文研究雷达信号处理技术算法基础上,设计了一种地面PD雷达信号处理系统方案

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  • A random synthesis procedure based on finite fault model is adopted for near field strong ground motion simulation, in this paper.

    为了模拟场强地震动采用基于有限断层模型一种随机合成方法

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  • This new metric, the green plot ratio (GPR), is based on a common biological parameter called the leaf area index (LAI), which is defined as the single-side leaf area per unit ground area.

    这个指标——绿色容积(GPR)是以一个通常被称作面积指数(LAI)的生物参数作为基础参数定义为每单位地块面积上的单面叶面积总和。

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  • This thesis works at the back ground of Autonomous Flight Robot project. Thedesign of Embedded Real-Time System software based on ARM (Advanced RISCMachine) is given.

    本文自主飞行机器人控制系统项目为研究背景,对基于ARM处理器核嵌入式实时系统软件构造做了分析。

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  • The Problem of astrometric photometry is discussed in this paper. The photometric capabilities on both the ground-based astrometric instruments and space telescopes are presented.

    讨论有关天体测量中的测光问题介绍一些地面天体测量仪器空间天体测量望远镜测光研究。

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  • This paper presents a project of modularization design for ground radar full digital servo system based on CAN bus.

    介绍一种基于CAN总线地面雷达全数字伺服系统模块化设计方案。

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  • To study the effect of aerodynamic drag in the solar array spreading on the ground, a calculation method of time-varying aerodynamic drag was put forward based on dynamic meshes in this paper.

    研究太阳帆板地面展开试验气动阻力影响基于网格技术提出了一种时变空气阻力计算方法

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  • Based on the measure of ground Radon at Shizipin area, this paper gives some preliminary analyses about the characteristics of ground Radon anomaly in the geothermal field.

    本文通过柿子坪地区地表氡气测量,对热地表氡气异常特征作了初步分析

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  • This paper introduces a design of the ground testing apparatus of space-borne radar data-forming equipment based on FPGA.

    本文介绍了一种基于FPGA星载雷达数据形成分机地面测试仪的设计方案。

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  • Based on above empirical research, this article, on the ground of "competition for technology", initiates policy advice that will promote FDI to create more spillover effects.

    基于上述实证结果,本文最后“以竞争技术角度提出了促使外资产生大溢出效应政策建议

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  • In this paper, a simple method for analysis of ground test data of the solid rocket motor with reversal nozzles is presented based on solving the reverse thrust at an altitude from ground test data.

    文中介绍了根据地面实验数据分析喷管高空提供反推力,带反喷管发动机地面实验数据处理提供了简便的分析方法

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  • Based on this, the dynamic response laws and the influence of parameters of ground motion on the responses under earthquakes were analyzed.

    基础上,分析了地震作用边坡动力响应规律以及地震动参数对边坡动力响应影响

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  • In this paper, signal preprocessing for bearing determination of ocean surface radial current mapping by HF ground wave radar based on MUSIC is investigated.

    阐述高频地波雷达海洋回波反演海洋表面,使用MUSIC算法提取径向方位必须的信号预处理。

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  • In this paper, using ground-based simulation facilities, the vacuum thermal cycling test was carried out on the epoxy construction adhesive.

    本文利用空间环境效应地面模拟设备环氧结构胶粘剂进行真空循环试验

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  • In this paper, a formula of ground settlement around deep excavation is proposed based on the normal distribution of density function.

    本文提出了按正态分布密度函数计算基坑开挖引起地表沉降值的公式。

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  • Based on such a point, this paper expounds the main constructing principles and methods of this kind of landscape, by hiding the real ground and introducing the elements of ground landscape.

    本文以此为出发点论述了“拟地景观主要构建原则并且阐释从屏蔽真实地面引入地面景观元素两个方面去构建“拟地景观”的方法

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  • In this paper, finite element method for the settlement of composite ground based on composite constitutive law is proPOsed on condition of plane strain.

    提出平面应变条件下复合地基沉降计算复合本构有限元

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  • Based on the detection principle of ground penetrating radar, this paper analyses the feasibility of detecting fractured rock zone in mine roadway with the radar.

    简述地质雷达探测原理基础上分析巷道围岩松动雷达探测可行性

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  • At the last of this paper, dynamics and kinematics analysis is given, which is based on the model's coordinates rather than on the ground coordinates.

    最后天平模型进行了动力学分析,用基于模型体坐标系分析结果代替原来基于地面坐标系的模型姿态的数学公式动力学方程。

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  • In this paper, the stiffness degradation and damage failure in concrete dams subjected to strong ground motion are simulated by plastic-damage model based on damage index variable.

    本文以拉压应力损伤因子为内变量,采用混凝土塑性损伤模型分析了坝体地震荷载作用下刚度退化以及在多维应力状态下拉应力引起的损伤破坏。

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  • Using this model, the airborne gravity measurement test data is downward continued based on least squares collocation and is compared with known ground gravity data.

    利用建立的模型,航空重力测量试验数据采用最小二乘配置的方法向下延拓到地面,与地面已知重力数据进行比较。

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  • Based on a reliable and applied example of ground station automatic control system, this article gives a detailed introduction of the main parts of ground station control system.

    本文一种可靠实用地面站自动控制系统,对构成地面站控制系统中的主要部件作了说明。

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  • In this paper a method of detecting slow-moving ground targets using array antenna based on adaptive beamforming and Clutter Suppression Interferometry (CSI) is presented.

    提出一种自适应波束形成技术杂波抑制干涉(CSI)技术相结合阵列天线目标检测方法

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  • Firstly, the overall design of the system based on various performance indicators is made in this paper, and suitable motors and drives are selected on the ground of estimating the system load.

    论文首先根据系统各项性能指标确定了系统整体设计方案,并估算系统负载基础选择了合适电机驱动器

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  • Based on the observed data, the distribution characters of the air temperature, ground temperature, and temperature on two sides of an insulation layer in this tunnel, were analyzed.

    根据实测资料,初步分析了昆仑山隧道洞内气温地温隔热内外侧温度分布特征,得出结论对多年冻土区隧道工程建设及冻害防治有一定的指导意义。

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  • Based on the Darcy's law of the infiltration of ground-water, this paper has deduced the theoretical formula for the inclined shaft water-make calculation in the different aquifer.

    本文根据达尔西地下水渗透定律推导出了在不同含水层斜井井筒涌水量计算理论公式

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  • Based on the Darcy's law of the infiltration of ground-water, this paper has deduced the theoretical formula for the inclined shaft water-make calculation in the different aquifer.

    本文根据达尔西地下水渗透定律推导出了在不同含水层斜井井筒涌水量计算理论公式

    youdao

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