给出了差分序列的若干性质,对差分分析方法在序列密码中的应用作了一些探讨,并给出了攻击实例。
In this paper, we point out some properties of the differential sequence, discuss the applications of differential cryptanalysis in sequence cipher attack and provide an attack sample.
本文阐述了离散时间点过程理论,时变马尔科夫链及鞅差分序列在城市交通车队状态观测器中的应用。
This paper presents some applications of discrete - time point process theory, time - varying Markov chain and Martingle difference in urban traffic computer-based control systems.
它采用类似差分的方法从图像序列的多帧图像中检测出运动目标区域。
Motion object region is extracted from multi-frame images in image sequences by using similar difference method.
在获得了兴趣点之后,利用兴趣点处的局部灰度差分不变量进行序列图像的点特征匹配。
Once the interest points were detected, the image matching process in an image sequence is performed using local gray-value differential invariants.
分析差分图像序列沿时间轴的时间相关性:利用交叉熵来分析差分图像序列的时间相关性,根据图像序列的时间相关性来跟踪各差分图像序列块。
Analyze the time correlation in the differential image sequences: Use cross-entropy to track the blocks of image sequences according to the time correlation along the time axes.
首先在序列的两幅图像中检测兴趣点,并运用灰度差分不变量进行两点集之间的匹配。
Firstly, we detect the points of interest in a pair of images in image sequence, and then match the point set using the gray value differential invariants.
针对背景相对静止的视频序列,提出了基于CNN差分图象合并的视频分割算法,并构建了与该算法相关的五个CNN模板。
Aim at video sequences with static background, the difference merged image algorithm based on CNN is presented. In order to realize the algorithm, five CNN templates are constructed.
通过单位根检验,确定硬麦期货与现货价格序列具有一阶差分平稳性即i(1)过程。
The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I (1) process, by the unit root test.
时间序列分析可以通过差分、周期的方法,对植物种群的增长进行模拟与预测。
Time series model can simulate and predict the increase of Quercus variabilis population by the difference, periodic method.
使用高阶差分状态序列,增强了系统因果强度,加强了抵抗身份欺骗和差分分析攻击的能力。
By using the high order differential state sequence, the casuality of the system and the capability of resistance to identity deception and differential attacks is enhanced.
结果证实了,差分跳频通信技术和按序列检测方法的结合,使通信系统在瑞利衰落信道条件下的性能得到了比较显著的提升。
The simulation results presented prove that the performance of DFH system with signal detecting by sequence is much better than the conventional frequency hopped systems over Rayleigh fading channels.
压缩时,先对测试向量集进行差分运算,然后采用CPRL码编码差分向量序列。
During compression, it generates difference vectors from test data and then encoding the vectors with CPRL codes.
根据该差分方程的特征值表达式讨论了AGC模型设定序列的稳定区域和稳态误差与AGC模型参数之间的关系。
On the basis of the expression of characteristic value of the differential equation, the relationship between the stable domain, steady state, steady-state error and AGC model parameters is discussed.
给出了基于差分最小均方误差(DMMSE)准则的短扩频序列ds- CD MA自适应多用户检测算法。
Algorithms based on DMMSE (Difference minimum mean square error) criterion of adaptive multi users detector for short spreading sequences DS CDMA systems is proposed.
采用不同间隔的序列差分构成并行识别系统结构,使整个系统能够探测各种不同速度的运动目标。
The discontinuous frame difference optical flow field algorithm can be composed of the parallel structure system, which can detect different kinds of moving objects with different velocities.
根据拓扑熵的定义公式,用逆像点个数的方法找到了有限长度超稳揉序列词的拓扑熵的差分关系式。该函数关系式直接依赖于揉序列词。
According to the definition of topological entropy, a new method of calculating topological entropy is found, which directly depends on the kneading sequence or word.
首先把图像序列中相对静止的部分提取出来作为背景,利用差分图像对道路上的运动物体进行分割,并在此基础上实现对每条车道上的车辆的跟踪。
Firstly the relatively static proportion of the video was extracted and the moving objects were segmented using differencing image algorithm. Then vehicles were tracked in divided road lanes.
第二章对CCFI和BDI及CCFI分航线指数之间平均收益率、标准差、偏度、峰度、序列相关性等基本统计量进行了比较分析。
Then it comparatively analyzes some basic statistic of CCFI and BDI, which include mean, standard deviation, skewness, kurtosis, autocorrelation, and so on.
采用差分方法对序列资料进行平稳化,进行定阶,建立2010年全国孕产妇死亡率数据的序列分析预测模型,并对预测结果进行分析和评价。
Using difference method to smooth the sequence, We determined the order and established the 2010 national maternal mortality ratio forecast model to evaluate the predicting results.
采用误差分析方法导出增量型自动厚度控制(agc)模型设定序列的差分方程。
A differential equation of giving series of incremental AGC (Automatic Gauge Control) model has been derived by the error analysis method.
考虑到视频序列图像具有帧间连续性,本文通过帧间差分的方法检测运动车辆。
According to continuity of gray-value of targets in inter-frame, the frame-difference method is proposed to detect the moving objects in this paper.
该算法利用视频序列中各帧的四方向差分直方图度量隐写对空间相关性的影响,同时利用相邻帧帧间差分的直方图度量隐写对时间相关性的影响。
The algorithm uses a difference image histogram of four directions to measure the influence of spatial correlation, and temporal correlation is measured by the histogram of frame difference.
该算法利用视频序列中各帧的四方向差分直方图度量隐写对空间相关性的影响,同时利用相邻帧帧间差分的直方图度量隐写对时间相关性的影响。
The algorithm uses a difference image histogram of four directions to measure the influence of spatial correlation, and temporal correlation is measured by the histogram of frame difference.
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