查询词典 radon measure

For example, radon.Probably one of the best mappers. His style is just insane.

比如radon是最好的地图制作者之一。

She said nobody in the UK had raised the issue of granite worktops emiting radon and Stone Federation supports the use of granite in domestic premises.

她还说没有任何人在英国提及有关花岗岩的氡放射问题，石材联盟十分支持在国内使用花岗岩。

A story about radio active radon gas being emitted by granite kitchen worktops has been given increased credibility in America on August by being published in the respected New York Times.

8月份，著名的纽约时报刊登了关于花岗岩厨房工作台面放射性的文章。

Key words:singular value decomposition;pseudo signal subspace;time-frequency distribution;Radon-STFT transform;rotation of time-frequency plane

本文提出一种Radon-STFT变换，该变换能鲁棒地确定LFM信号在时频平面上的倾斜角度，因而可以有效地克服文［3］的缺憾。

Re-estimation of risk coefficient of radon induced lung cancer was made by BEIR Ⅳ of theUnited States after calculation of data of 4 miner cohorts.

本文分析了美国电离辐射生物效应委员会发表的 BEIR Ⅳ报告。

Too much emphasis has been laid on thephase coherence detection using the arithmetics of auto-correlation in time domain,spectrum analysis in frequency domain and feature extraction of intra-pulse modulatedsignals employing the methods of quadrature in time domain、Short Time FourierTransform、Wigner-Ville Distribution and Radon-Wigner Transform.

本文详细介绍了脉冲多普勒雷达的原理及其信号特征、相参性原理、脉内调制信号、时频分析理论和模式识别理论等，重点讨论了利用时域自相关法和频域谱线分析法进行相位相参性的检测；详细分析了脉内调制特征提取的几种方法，主要包括时域正交、短时傅立叶变换、维格纳分布和 Radon-Wigner 变换。

The characteristics of radon contamination and its control measures in the exploration process, waste rock pile s,open pit ruins and tailings are discussed in this paper.

本文分析了我国硬岩型铀矿山开采区、废石堆、露天采场废墟及尾矿库中普遍存在的氡辐射环境污染现状及其发生和运移特点，并提出了相关的治理方法及治理现状。

Presence of multiples leads to poor quality in main stages of offshore seismic data processing, such as velocity analysis, stacking and imaging. Three basic multiple attenuating methods are reviewed; and a more effective multiple attenuator is achieved by joining them. As the first step, shot or receiver records are extrapolated by wave-equation datum algorithms. The extrapolation will establish a model of waterbottom multiples. Waterbotton multiples will then be removed by subtracting the extrapolated records from the original records. After that, predictive deconvolution is used to attenuate the multiples created by source ghost. Finaly, RADON transformation is adopted to separate peg-leg multiples and residual water-bottom multiples from the original data in the τ-p domain.

地震勘探尤其是海上地震勘探中存在着各类多次波，由于多次波的存在严重影响了速度分析、叠加、偏移成像等地震资料处理，海上多次波主要有全程多次波和层间多次两大类，为了压制海上不同类型的多次波，本文首先分析波场外推、预测反褶积和拉东变换衰减不同多次波的理论基础，然后联合采用这些方法，分别衰减全程多次波和层间多次波；即：首先对炮记录或者接收点记录进行波场外推，建立海底多次波模型，预测并减去全程多次波，然后利用预测反褶积衰减掉周期性明显的多次波，最后将数据转换到τ-p 域，用拉冬变换根据同一时间多次波和有效波在速度等方面的差异，进一步分离层间多次波和剩余的全程多次波，并在该域中切除分离出的多次波，从而实现联合多次波衰减处理。

Scientists believe that exposure to radon plays a major role in lung cancer in nonsmokers.

科学家发现暴露在氡气中是不吸烟者患肺癌的重大原因。

Secondly,the method rectifies rescanned image from the presswork by using Radon transformation and the embedded watermark in it is detected.

再利用Radon变换对由扫描印刷品所获得的图像进行矫正，并从图像中提取嵌入的水印信息

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。