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Acoustics; audiometric test methods; part 2: sound field audiometry with pure tone and narrow-band test signals

信息技术。连续色调静态图像的无损和近似无损压缩。第2部分:扩充

This paper brings forward a non-destructive measurement method based on bilinear mapping which aimed at problems of how to correct image and wipe off texture feature to conduct non-destructive measurement of soybean-leaf area using computer vision technology.

该项研究针对大豆叶面积无损测量中校正图像和去除叶片纹理特征等问题上,提出了基于双线性映射的无损测量法。

The concept of POPI Loss-Free Two-Port Network is given. The circuits to realize loss-free controllable time-variable transformer by open-loop and closedloop control of transfer ratio k are discussed. The POPI topology to realize loss-free controllable gyrator are given.

分析研究了五种无损双口网络,给出了无损POPI双口网络概念,设计了开、闭环控制变比k以实现无损可控时变变压器的电路结构,给出了实现无损可控回转器的POPI电路。

With applying computer technology to nondestructive detection area, the computer vision has become a vital embranchment, and the span-new application domain of nondestructive detection is exploited.

随着计算机技术向无损检测技术的渗透,机器视觉已成为无损检测技术中的一个颇具生命力的分支,并开拓出无损检测技术崭新的应用领域。

The second method is to structure a toeplitz matrix to approach the toeplitzed signal subspace under the rule of mimimum power of noise, when the algorithm is converged, the structured toeplitz matrix is a full rank matrix, the angle information of target are all reserved and the influence of noise is minimum at this time.

第二种改进的方法是在噪声功率最小约束准则下构造一个Toeplitz矩阵,去逼近Toeplitz化后的信号子空间,当算法收敛时,所构造的Toeplitz矩阵是一个满秩矩阵,它既无损的保留了信源的角度信息又使噪声对DOA估计的影响最小。

Given the merit of insubjection to the restrictions of material and structure, in many developed countries, ICT is widely applied into non-destructive testing, evaluation and reverse engineering in many fields. Considered as the best NDT approach in the modern world, ICT has broad application perspective and favorable developing future.

由于具有不受材料和结构限制的优点,ICT在发达国家已被广泛应用于各产业部门的无损检测、无损评估与逆向工程等研究,被誉为当代最佳无损检测手段,具有广阔的应用前景和良好的发展前途。

Some useful conclusions were obtained. Also the numerical model used for LNG was used to study the rule of ventless storage duration under different components. The general rule for mixture was obtained.

同时使用液化天然气无损储存计算模型对不同组分的LNG混合物的无损储存规律进行了研究,得到多组分混合物无损储存的一般规律。

Secondly, with a triaxial test instrument for unsaturated loess which can work with computerized tomograph carried original Q3 and Q2 loess testing on instantaneously, quantificationally and undamaged scanning. Combining CT images, data and stress-strain curve, this paper divided shearing process into 4 period with respectively analyzing studying.

其次,应用非饱和黄土的三轴CT扫描仪,进行了原状Q_3、Q_2黄土的三轴试验过程的动态、定量、无损的CT扫描,结合CT图像、数据与应力应变关系,对非饱和黄土的剪切过程分4个阶段进行了深入分析研究。

In order to enhance the application of NDE technology into evaluation of safety of ancient wood structure and health situation of old tree in China, this paper mainly discuss the major uses , common techniques and equipment of NDE used in wood preservation.

本文着重论述了无损检测技术在木材保护中的主要用途以及主要的无损检测技术,还介绍了国内外木材保护常用的无损检测仪器,为无损检测技术在我国木材保护中的应用提供参考。

The release of the footage is a stark contravention to the international law .the Taliban is exploiting the solder to propagate itself .we are delightful to see the solder unharmed , and we will try every possible means to sure his release in safty and security .we are using all resouse available to archieve this targe , and we are contacting the locals by every possible channels ,for instance we have leafleted a telephone number to the afghanistans so that any of them who knows the whereabouts of the captured solder can contact us .

播放这段视频明显地违备了国际法。这是塔利班在利用这名士兵来达到自己的宣传目的。看到这名士兵身体似乎无恙,我们感到很高兴,我们将尽一切可能使他毫发无损的、安全的获释。我们正在用可利用的一切资源来达到此目的,我们正在用可利用的一切手段与当地人取得联系。例如,我们用传单公布了一个电话号码,以方便那些可能会知道这名士兵被押地点的阿富汗人与我们取得联系。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。