• 研究分段线性序列生成广义傅里叶级数的点敛性。

    In this paper, the pointwise convergence and divergence of a class of generalized Fourier series generated by piecewise linear spectral sequences are studied.

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  • 提出基于无限折叠混沌映射直接序列构造方法

    This paper propose one method of constructing direct spreading sequences based on one -dimensional chaotic maps with infinite collapse.

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  • 为了获得异步ds - CD MA系统谱序列,给出了一套用选取混沌二值序列优化准则

    In order to generate the optimal spreading sequences for asynchronous DS-CDMA, some optimizing criteria for selecting chaotic binary sequence were proposed.

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  • 文章得出了一系列理论上刻画,但主要贡献在于给出迭代解法生成多节点分片线性序列并且分片常数谱序列进行研究

    While some theoretic characterization is achieved, our main contribution here is to present a recursive method and have a study on this kind of spectral sequences.

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  • 本文根据历史地震资料最大方法对全球全球各地震区强震活动时间序列进行分析。

    Based on the historical seismic data, we have analysed the time sequence of the global and regional strong earthquake activities by using the maximum entropy spectrum method.

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  • 最后探讨了动态一致性检验(经典最大)比较法包括平稳序列估计比较

    In the end, spectrum (classical spectrum and maximum entropy spectrum) comparative methods of dynamic consistency validation are discussed, including compare and estimation of stable series spectrum.

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  • 针对这些现象,从相干结构、时间序列本身概率分布标量差的概率分布,分析了高频噪声影响

    So the influence of high-frequency noise is analyzed by the analysis of power spectra, coherent structure, probability distribution of time series and differences of them.

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  • 采用随机模拟方法通过编程产生目标平稳随机路面不平度序列通过数理检验进行验证

    Use stochastic simulation, create the plainness sequence of the stable stochastic road surface for the target road spectrums with programming, and use logistic test to verify.

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  • 本文提出旋转回波脉冲序列具有激发带宽适中实验参数调整简单的特点,可广泛应用固体样品核磁共振测量中。

    A pulse sequence, namely rotary echo, with modest excitation bandwidth and mere adjustment of the experimental parameters is proposed in the present article.

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  • 通过离散傅立叶逆变换分析,我们得到一个线性方程组它的可以作为序列

    Analyzing inverse DFT, we obtained a system of linear equations, whose solution can be taken as the spectrum of the data series.

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  • 利用DS -SS信号符号相位信息提出了一种工作于噪比直接序列(DS - SS)信号噪声抑制方法

    By exploring the phase information among symbols of the Direct Sequence Spread Spectrum (DS-SS) signal, a novel de-noising approach, used in low signal noise ratio environment, is presented.

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  • 该方法是基于复和平稳最小相位序列之间关系提出的。

    Usingthecomplex Cepstrum coefficients, theall-pass denominator coefficientsare obtained based on the relation betweenthecomplex Cepstrum and the stable minimum-phase sequence.

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  • 研究生成既满足给定工程特性,又具有间歇性结构风速序列作为结构气动计算的输入

    This paper describes an Inverse Wavelet Transformation (IWT) approach to simulate target wind series with intermittency for given spectral functions as the input of structural wind responses analysis.

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  • 针对时间序列特殊性,根据仿真模型现代确认技术,用置信区间的方法作为定量的统计决策。

    The technique of modern spectrum validation is powerful in ensuring the similarity of simulation results to the real experimental results of short time series.

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  • 目的以门诊量资料为例计算功率密度函数研究时间序列信号频率特征

    Objective The power spectral density functions of outpatient flow are calculated in order to study the spectral characteristics of the given time series.

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  • 然后矩阵中抽取半循环序列构成--飞随机

    Then, a sequence of half-cycle is drawn from the matrix to construct a flight by flight random load spectrum.

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  • 同时通过消除域导频时域序列相关误差有效降低DFT泄漏导致信道估计误差。

    At the same time, the channel estimation error, caused by the spectral leakage of DFT, can be reduced by canceling the auto-correlation error of the time-domain sequence of frequency-domain pilots.

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  • 介绍随机序列基本知识以及理论雷达波形设计中的典型应用

    The basic idea of pseudo noise sequence and its typical application in radar signal designing were introduced in this paper.

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  • 可以期望,广义概念建立,十分有助于排队系统输出序列、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.

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  • 作为对照,自相关功率分析检测周期项理论值序列BIH的世界时序列得到显著的短周期项功率

    In contrast with this result, the same analyses of both the theoretical series of tidal terms and the, BIH series of UT demonstrafe the notable power spectrum of the short-period terms.

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  • 本文提出个Z回波磁共振(nmr)脉冲序列,可以获得三能级体系纯四

    Z echo NMR pulse sequence is proposed for using in measurement of pure dipole or quadrupole spectrum.

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  • 参数序列应用功率交叉分析得出,其主要周期变化为准两周振荡。

    Analyzing the sequence of the parameters by the power and cross spectra yields main periodic changes of quasi-two-week oscillation.

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  • 方法将语图输入到PCNN后得到输出图像时间序列及其序列作为说话语音特征,利用它的不变性实现说话人识别

    Using the invariable characteristics of PCNN time series and entropy series of Spectrogram, people can extract the feature of speakers speech and recognize the speakers rapidly and effectively.

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  • 方法语音转化为语图后输入到PCNN得到输出图像神经元点火序列及其熵序列作为语音情感的特征,利用特征实现语音情感识别

    The entropy series and neurons firing series of the image obtained by feeding the spectrogram into PCNN were used as the characteristics of emotion speech for emotion recognition.

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  • 本文介绍了ROESY (CAMELSPIN)技术改进脉冲序列原理。这种改进的技术能有效的抑制偏共振效应的影响提高灵敏度

    The principle of pulse sequences of improved ROESY (CAMELSPIN) to suppress the off-resonance effects and increase the sensitivity of spectra were introduced.

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  • 应用络合吸附方法检测了草丁膦乙酰转移酶基因PAT基因DNA特定序列

    The polarographic complex adsorptive wave was firstly used to detect DNA specific sequences of the phosphinothricin acetyltransferase(PAT)gene.

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  • 推导了随机脉冲序列自相关函数给出了功率,并均匀脉冲串功率进行了分析比较

    The autocorrelation function of the randomly staggered pulse sequence is derived, and its power spectrum is given. Comparison with constant pulse-repetition frequencies pulse sequence is also made.

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  • 逐渐高频方向转移,反映一个向上变薄的序列向上净沉积速率减小

    Gradual shifting of the spectral band toward high-frequency presents upward thickening succession, which means the upward net depositional rate decrease.

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  • 逐渐高频方向转移,反映一个向上变薄的序列向上净沉积速率减小

    Gradual shifting of the spectral band toward high-frequency presents upward thickening succession, which means the upward net depositional rate decrease.

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