如何根据离散序列表示一个连续信号是一个基本问题。
Then how to represent a continuous signal in term of a discrete sequence is a fundamental problem.
通过发生函数的零点来研究离散序列的组合性质是组合学中的一个重要课题。
To study combinatorial properties of discrete sequences by means of zeros of generating functions is an important topic in combinatorics.
本文研究了定义在状态-事件序列上的谓词的离散事件系统的状态反馈控制问题。
This paper studies the problem of state feedback control for discrete event systems, where the predicate is defined on the set of state-event sequences.
首先利用多维逆m序列作为激励输入信号，用实验法建立出空气传送部分的多变量离散状态空间模型。
Firstly, the paper models the multivariable discrete state-space model of the air transmission unit by the lab method, using multi-dimensional inverse m series as input stimulus signal.
正弦信号矢量电压的测量，是可以从取样得到的时间离散信号序列中获取。
The measurement of vector voltage can be got from the discrete sequential data of a sampled singal.
时间序列分析是统计学的分支之一，它的研究对象是离散有序数列的变化特征和变化趋势。
As one of the branches of statistics, time series analysis focuses on the variation characters and trend of discrete ordered data series mainly.
对股价序列的离散性研究能提供一些用于股市分析和预测的有用信息。
Studies on the discreteness of stock price series can provide useful information to aid market analysis and prediction.
该技术在水印嵌入时，由混沌系统生成水印序列，并在离散小波变换的低频子带上嵌入水印，保证了水印的鲁棒性。
While embedding watermarking, the watermarking sequences are produced by the chaos system, and are embedded into the low frequent coefficient of DWT domain to guarantee the robustness of watermarking.
本文证明了时间域内的平稳相关序列经离散傅里叶变换之后，听得到的是频域内的正交随机序列。
This paper proved that a frequency stochastic sequence obtained from a stationarily correlated time series by using discrete Fourier transform is orthogonal.
性能分析的结果表明，此方法与离散长球序列多窗口谱分析方法具有相当的估计偏差与方差性能。
It is indicated by the performance analysis that the approach here has comparative bias and variance as the approach of discrete prolate spheroidal sequence multitaper spectral analysis.
基于JPEG图像的离散余弦变换（DCT）系数直方图差值序列，提出一种新的检测JPEGMB2隐写术的方法。
Based on the Discrete Cosine Transform (DCT) coefficient histogram difference sequences of JPEG images, a new steganalytic method was proposed to realize the steganalysis of JPEG MB2.
通过这种方法能比较容易地获得非线性系统对于实激励离散信号或模拟信号的响应时间序列。
By this method, for a real excitation discrete signal or a simulating signal, the response time series of a non-linear system can be easily obtained based on the Z-transform technique.
该文介绍了一个新颖的针对跨地区时间序列的离散化方法。
This paper introduces a novel method to discretize cross-sectional time series.
该方法以参数曲线代替单值函数曲线，以序列离散点代替连续曲线。
Using parametric curves, it substitutes the functional curves, replaces the continuous curves with sequential discrete points.
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.
采用二维离散混沌模型，研究了从混沌序列到加密因子序列的映射方法。
Mapping method about chaotic sequence is researched to encryption factor sequence using two-dimensional discrete chaotic model.
给出了离散时间序列多重分形除趋势涨落分析方法和霍尔德指数的计算方法，并用它们研究了气温时间序列。
We give multifractal detrended fluctuation analysis and Hlder analysis of discrete time series and use them to study the temperature time series fluctuations.
可以期望，广义谱概念的建立，将十分有助于对排队系统输出序列、排队仿真序列以及所有离散系统随机仿真序列特征与规律的揭示。
We can believe in that the new concept will be beneficial for the study on the output sequence of queuing system, and queuing simulation sequence as well.
研究了一类具有良好隐蔽性的一元三次离散动力系统的混沌序列产生情况，提出了混沌序列的异或和置乱加密算法。
The chaos sequence procedure of a kind of discrete dynamic system with good concealing feature is studied, and two algorithms about chaos sequence are provided.
该算法利用混沌序列筛选数据库记录数据项，筛选出的数据项不依赖于其他的元组，成离散的分布状态。
The algorithm uses the chaos sequence select data items of records, selected items is not dependent on the other records and distribute by discrete;
通过对离散傅立叶逆变换的分析，我们得到一个线性方程组，它的解可以作为序列的谱。
Analyzing inverse DFT, we obtained a system of linear equations, whose solution can be taken as the spectrum of the data series.
研究了离散时间动态系统混沌序列的统计特性。
This paper analysed the statistic property of chaotic sequence generated by a widely studied discrete time dynamic system, Logistic_Map.
分析了工作原理和数学模型，研究了它的抗干扰特性，给出了离散随机脉位序列调制码的产生方案。
The block diagram of the system is given and its working principle and mathematic model are analyzed. And also, its anti jamming performances are studied.
文中应用响应谱的离散形式将模式谱的计算结果与北半球（1881—1980年）年平均温度距平序列的实际谱进行了统计检验，从而论证了随机模式模拟全球温度变化的适用性。
The correspondence between the computed spectra by the model and the observed ones of annual mean temperature anomalies in the Northern Hemisphere from 1881 to 1980 is statistically examined.
文中应用响应谱的离散形式将模式谱的计算结果与北半球（1881—1980年）年平均温度距平序列的实际谱进行了统计检验，从而论证了随机模式模拟全球温度变化的适用性。
The correspondence between the computed spectra by the model and the observed ones of annual mean temperature anomalies in the Northern Hemisphere from 1881 to 1980 is statistically examined.
应用推荐