在较低信噪比情况下，基于语音信号的短时相对自相关序列的短时平均幅度的端点检测能够获得较高的检测精度。
The endpoint detection based on short-time average magnitude of speech signals relative autocorrelation sequences can be detected in high accuracy under the low signal-to noise ratio.
本文详细分析了噪声对相对自相关序列MFCC（RAS-MFCC）特征的影响，并研究了高阶RAS-MFCC系数的抗噪声性能。
So the recognition rate can be improved in noise environments. We analyze the influence of noises to the RAS-MFCCs, and do research on noise robustness of the high-order RAS-MFCCs.
这一概念是对线性偏自相关的一般化，由它可以得到度量时间序列预测复杂性的定量方法。
By means of it, we could get the quantitative method to measure the intrinsic prediction complexity of time series.
利用自相关函数对恒生指数日收盘价时间序列中的自相似性进行了初步的实证和理论分析。
We do the initial identification and the theoretical analysis with the autocorrelation function towards the time series of HSI daily closing quotation.
提出了一种频差估计的新算法，该算法结合观测序列的周期图和自相关函数进行频率估值。
A simple algorithm for frequency offset estimation is proposed, which estimates the frequency offset with the periodogram and the correlation function of the observation samples.
对于整数频偏估计，分析了一种基于序列自相关的算法，并将该算法推广应用到频率选择性信道中；
For integer frequency offset estimation, we analyze a sequence auto-correlation based algorithm, and extend the algorithm into frequency selective channel case.
这一概念是对线性偏自相关的一般化，由它可以得到度量时间序列预测复杂性的定量方法。
The concept is the generalization of partial autocorrelation. By means of it, we could get the quantitative method to measure the intrinsic prediction complexity of time series.
本文的目的在于，对于线性平稳时间序列的样本、自协方差、自相关和偏相关函数的渐近性质，给出一个比较系统的描述。
The aim of this paper is to give a systematic account of asymptotic properties of the sample autocovariance, autocorrelation and partial autocorrelation functions of linear stationary time series.
具有二值自相关特性的伪随机序列在扩频通信、流密码、雷达和声纳等领域中具有重要的应用。
Pseudorandom sequences with ideal two-level autocorrelation functions have important application in spread-spectrum communication, stream cryptography, radar and sonar.
最后利用扩频序列的自相关函数特征检测出水印信息，检测过程中不需要原始载体图像。
Finally, making use of autocorrelation function characteristic of spread spectrum sequence, watermark information was detected. In the detection process, it is not requisite for initial carrier image.
推导了随机脉位脉冲序列的自相关函数，给出了其功率谱，并与均匀脉冲串的功率谱进行了分析比较。
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.
提出并证明了二值自相关二进阵列偶的唯一性问题，将伪随机二进阵列偶和伪随机二进序列偶作为其特例证明也满足唯一性。
The uniqueness of pseudorandom binary array pairs and pseudorandom binary sequence pairs are proved as the specific cases of binary array pairs with two-level autocorrelation.
多相正交序列的自相关特性非常理想，但在低相数时，互相关特性不够理想。
The properties of auto-correlation for polyphase orthogonal sequences are very ideal, but its cross-correlation properties are not good when the phase number is low.
作为对照，用自相关功率谱分析检测短周期项的理论值序列和BIH的世界时序列，都得到了显著的短周期项功率谱。
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.
同时，通过消除频域导频时域序列的自相关误差，能有效降低由DFT谱泄漏导致的信道估计误差。
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.
基于残差序列最小自相关原理，提出一个新的模型适用性检验准则及其递推算法，用于确定有色噪声过程模型的阶次。
Based on the least-autocorrelation (LAC) principle, a new testing criterion of model fitting and its recursive algorithm are presented to determine the orders of a colored process.
另外，蛋白质序列还可用其它特征提取方法提取的特征向量来表示，如氨基酸组成成分、加权自相关函数和矩描述子。
In addition, the protein can be represented as other feature vectors based on amino acid composition (AAC), weighted auto-correlation function and Moment descriptor methods.
比较了基于利用扩频码序列自相关和互相关特性实现扩频码同步的不同方法。
The ways based on the PN sequence's self-correlation and co-correlation to synchronize are compared.
经济时间序列具有非常明显的记忆性，表现为即使相距较远的时间间隔，序列仍然具有显著的自相关性。
Economic time series is of obvious memory, represent as the series have remarkable autocorrelation, even apart of many spacing, the historical events would influence future events for a long time.
自相关检验结论为：序列存在相关性，否定了收益序列的随机波动特性。
Shenzhen stock market has qualified the weak-form efficiency. Autocorrelation of the time sequence tests show that the time sequence of stock return is correlative.
自相关检验结论为：序列存在相关性，否定了收益序列的随机波动特性。
Shenzhen stock market has qualified the weak-form efficiency. Autocorrelation of the time sequence tests show that the time sequence of stock return is correlative.
应用推荐