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- In this dissertation, the speckle generative mechanism and image statistic characteristic in Synthetic Aperture Radar (SAR) system are analyzed concretely. 本文具体分析了合成孔径雷达(SAR)图像的相干斑形成机理和图像统计特性。
- This paper believes that the main reasons of the forma tion of desert a re the wrong direction of the statistic characteristic, which is centered on GNP and the improper ecology governing system. 土地沙漠化深层次的原因是以GNP为核心的统计指标的错误导向，以及不合理的生态治理体制。
- The statistic characteristic and energy distribution of coefficients are analyzed.Theory of noncommutative wavelet is applied to digital image hiding to accomplish the information blindly extracting. 文中分析了变换系数的统计特性和能量分布，并将非交换小波理论用于图像隐藏中，实现了信息的盲提取。
- As the multi-resolution property of DWT enable DWT-based watermark system combine the statistic characteristic of image with human visual system, make it possible to find an optimal system. DWT的多分辨率特性可以将人眼视觉特性与图像的统计特性结合起来，为设计最优的水印系统提供了一种可能，具有更大的发展空间。
- The aggregating process and statistic characteristics of multiple input traffic sources in WLAN are studied. 研究了WLAN中多个输入业务源的汇聚过程以及汇聚的多输入自相似业务源统计特性.
- Statistic characteristic of dynamic elasticity 动态弹性的统计特性
- The statistic characteristics of single photon emission in single semiconductor quantum dot with pulse excitation have been investigated. 研究了脉冲激发下单个半导体量子点中单光子发射的统计特性.
- The pitching and heaving motions of a catamaran are calculated with the STF method, as well as the statistic characteristics of motion in the irregular waves. 采用STF方法计算船舶的纵摇和垂荡运动及船舶在不规则波中的统计特性,计算与试验相比较,结果令人满意。
- According to the statistic characteristics of IR background clutters, a system based on improved spatial matched filter (SMF) is presented in this article. 本文在总结前人研究成果的基础上，针对复杂背景红外图像的统计特性，提出了一种基于组合式空间匹配滤波器的运动小目标检测方法。
- This method is based on Ito stochastic differential equation which provides the statistical characteristic of the state variables. 此研究方法是以伊藤随机微分方程式为主。
- To get more credible and available flashover electricfield strength (FEFS), we research on the statistical characteristic of PMMA samples. 为了获得更加可信和有效的试验结果,以有机玻璃作为实验样品研究了纳秒脉冲下沿面闪络场强的统计特性。
- Generally, steganalysis based on statistical characteristic has a strong pertinency, and a blind steganalysis can adapt itself to the steganography. 通常基于统计特征的隐写分析算法特征针对性强,而通用隐写分析算法适应性强。
- The statistical characteristic reflecting oilfield number and the equations related to Paleto's truncated distribution parameters are adopted. 采用了反映油田数量的统计学特征与帕列托截断分布参数有关的公式。
- In the infrared wave-band, the influence of the geometry, permittivity and statistic characteristics of the rough surface on LRCS is analysed, making use of rough spheres and ellipsoids as examples. 以粗糙球和粗糙椭球为例分析了物体几何参数,介电常数和粗糙表面统计参数对红外激光后向散射截面的影响。
- This paper introduces a new whole binarization method by using image gray statistical characteristic value as threshold. 本文给出了一种利用图像灰度统计特征值为阈值的全局二值化方法。
- This paper analyzes the statistical characteristic of the request service time, and models the Web server and Web server cluster with M/G/1 FCFS queuing model. 本文分析了Web请求服务时间的数字特性,并使用M/G/1FCFS排队模型对Web服务器及Web集群服务器进行了建模。
- The algorithm utilizes searching texture char act eristic scale and extracting the statistic characteristics on the texture ch arac teristic scale after continuous integer scale filtering to analyze the prop erty of texture. 该算法通过搜寻纹理图 像 的特征尺度并配合连续整数尺度滤波上的特征尺度统计对纹理进行分层分析。
- In order to improve the alarm accuracy rate in nuclear power station, this paper adopts Wavelet De noising (WD) method based on statistic characteristics and presents a loose parts alarm method. 针对核电站中检测跌落零件误报警率高的问题，本文对带通滤波后的跌落零件冲击信号应用了基于统计特征的小波去噪方法，并给出了去噪后的跌落零件报警方法。
- According to the theory of EzStego,the statistical characteristic of smoothness between the adjacent pixels in GIF images is used to detect the embedded information. 实验结果表明,该方法能有效地检测EzStego算法隐藏的信息。
- The auroral data observed by All Sky TV Camera during 1995 and 1997 at Zhongshan Station of Antarctica are used to analyze the statistic characteristics of the aurora appearing over Zhongshan Station. 利用极光全天空摄象机1995年和1997年在南极中山站观测的极光数据，对中山站上空极光的出现情况进行了统计分析。
