main ndt ce techniques such as the building dynamics, impact echo, ultrasonic echo, acoustic emission, radar, laser interference technique and infrared imaging are briefly discussed on their principle, application area, limitations and further research needed from the application point of view.

using the observation data of acoustic doppler radar, the horizontal velocity, wind direction and vertical velocity are calculated and compared with those obtained by direct measurement on the tower.

根据声雷达观测资料计算了水平风速、风向和垂直风速，并与325米气象塔上直接测量的仪器进行了比较。

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in this article the fundamental principle and detecting method of acoustic doppler radar for measuring wind are briefly discussed.

本文简要地介绍了多普勒测风声雷达的基本原理和探测方法。

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acoustic doppler radar for measuring wind

多普勒测风声雷达

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it is the intent of this paper to illustrate how to apply acoustic radar data on the variation of mixing depth to the study of atmospheric dispersion.

本文介绍如何将声雷达探测的混合层深度的变化应用于大气扩散问题。

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the main results indicate that in boundary layer the stable layers observed by acoustic radar echos correspond fairly to synoptic systems.

结果表明：声雷达回波所反映的稳定层和天气系统之间有较好的对应。

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the attempt of using acoustic radar for atmospheric stability classification was made and compared with other methods generally adopted at home and abroad.

本文利用声雷达的探测资料对大气稳定度分类进行了尝试，并与目前国内外常用的某些稳定度分类方示进行了比较。

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the spectra of vertical velocity and the vertical diffusion coefficients are calculated based on the data by the doppler acoustic radar.

本文用多普勒声雷达探测的垂直风速连续观测资料，计算了垂直速度谱和垂直扩散系数。

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the effects of quasi-backscattering on the temperature fluctuation structure coefficient measured by a single acoustic radar

准后向散射对单点声雷达测量温度结构系数的影响

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passive acoustic radar for the detection of supersonic cruise missiles

探测超声速巡航导弹的被动式声学雷达研究

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remote sensing of the turbulent characteristics in the atmospheric boundary layer by acoustic radar

边界层大气湍流特征的声雷达探测

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study of the stable atmospheric boundary-layer height by acoustic radar

稳定大气边界层厚度的声雷达探测研究

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the study of turbulence structure coefficient in the convective boundary layer by using acoustic radar

对流边界层湍流结构系数的声雷达研究

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a new approach to estimate atmospheric diffusion coefficients by using acoustic radar

利用测温声雷达回波图估算大气扩散的一种参数化方法

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a correlation method for measuring wind by acoustic radar was proposed here.

本文提出了声雷达相关原理的测风方法。

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research on the height measurement of boundary layer of acoustic radar

声雷达探测边界层高度的研究

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which will intercept method calls to the application s

它会拦截对应用程式的

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to intercept method calls and declaratively apply a transaction context to the doa

让它拦截方法调用并且声明性地把交易上下文应用到doa。

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an intercept method for determining practical dynamic security regions of power systems

确定电力系统实用动态安全域的截距法

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is a convenience proxy class that can intercept method calls to an existing class and apply a transaction context to a transaction bean

是个方便的代理类，能够拦截对现有类型的方法调用，并把事务上下文应用到事务bean。

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the welsh terrier is a game dog-alert, aware, spirited-but at the same time, is friendly and shows self control.

威尔士梗是一种爱玩的、警惕的、机灵的、勇敢的狗，同时也显示出友好和自我控制。

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