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 multidimensional signals 多维信号(2)
 多维信号
 To utilize coding over finite fields for multidimensional signals, we start with prime elements and study the algebraic integer ring of cyclotomic field Q(e2πi/n) modulo prime ideals for arbitrary integer n using the property that prime elements generate prime ideals. 为实现面向多维信号有限域上的编码,本文从素元出发,利用素元生成的理想为素理想,研究对任意正整数n,分圆域Q(e2πi/n)的代数整数环模素理想所得的剩余域. 短句来源 Applying the principle of generating surrogate data to generate surrogate time series of measured multivariate time series and using linear and generalized redundancy as test statistics,we discuss the scheme of resisting noise in a proposed quantitative method to detect nonlinearity in multidimensional signals. 采用多变量时间序列替代数据生成原理,生成实测多变量时间序列的多组替代时间序列. 综合线性冗余和广义冗余两种检验统计量,对一种定量检验多维信号非线性方法的抗噪声能力进行分析. 短句来源
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 SAMPLING THEOREMS FOR MULTIDIMENSIONAL NONBANDLIMMITED SIGNALS 多维非带限信号的抽样定理 短句来源 recombination of signals. 信号重组。 短句来源 of broadcasting signals. 主要实现了对异地广播信号的实时监测,录音,数据存储,异常告警等功能。 短句来源 Blind separation of multidimensional mixed signals based on fast independent component analysis 基于快速独立分量分析的多维混合信号盲分离 短句来源 On the Multidimensional Turbo Codes 多维Turbo码研究 短句来源

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 multidimensional signals
 Extension to the case of multidimensional signals is considered. However, it has been difficult to take advantage of this rich source of information concerning the signal, especially for multidimensional signals. Kramer's sampling theorem for multidimensional signals and its relationship with Lagrange-type interpolations Extending the notion of second-order correlations, we define thecumulants of stationary non-Gaussian random fields, and demonstrate their potential for modeling and reconstruction of multidimensional signals and systems. We present an example of adaptive optimization of the sampling grid for a magnetic field that is associated with a spectrum of multidimensional signals having fractal similarity. 更多
 A new method of multilevel coding based on multidimensional signal constellations and corresponding decoding algorithm is presented in this paper. The method solves the problem that the decoding complexity grows approximately exponentally with the increase of coding gains in previously known trellis-coded modulation systems. As examples, Some coding systems based on the four dimensional lattice D4 and the eight dimensional lattice E8 are given. The results show that the required normalized (each two dimensional)... A new method of multilevel coding based on multidimensional signal constellations and corresponding decoding algorithm is presented in this paper. The method solves the problem that the decoding complexity grows approximately exponentally with the increase of coding gains in previously known trellis-coded modulation systems. As examples, Some coding systems based on the four dimensional lattice D4 and the eight dimensional lattice E8 are given. The results show that the required normalized (each two dimensional) decoding complexity of the new coding scheme grows almost linearly with the increase of coding gains. 本文提出了一种对多维信号星座进行多级编码的新方法和相应的译码算法。这种新方法解决了以前网格编码调制系统中译码复杂度大致上随编码增益指数增长的问题。作为例子,我们给出了在4维格D_4和8维格E_8上的一些编码系统。结果表明:新的编码方式所需要的规范化(每2维)译码复杂度几乎随编码增益线性地增长。 An approach for designing multilevel trellis coded modulation schemes based on multidimensional signal constellations is described through two examples. We discussed some related problems in detail, such as, how to construct chains of lattice partitioning and constellations, and how to select binary convolutional codes. 本文通过两个实例描述了基于多维信号星座的多级网格编码调制方式的设计方法,并详细讨论了格分割链和星座的构造以及二元卷积码的选择等有关问题。 For a multicomponent system a mathematical model for multidimensional signals and its processing approach (transformation of coordinates) have been established. Combined measurement (PCM) system for proers consisting of non-contact sensors (on-line non-contact process combined measurement system) have been designed and proposed in the paper. On-line PCM system is a new mode of process analyzer system. It provides a stable, fast response and a very high accuracy that is bard to attain in conventional discrete... For a multicomponent system a mathematical model for multidimensional signals and its processing approach (transformation of coordinates) have been established. Combined measurement (PCM) system for proers consisting of non-contact sensors (on-line non-contact process combined measurement system) have been designed and proposed in the paper. On-line PCM system is a new mode of process analyzer system. It provides a stable, fast response and a very high accuracy that is bard to attain in conventional discrete and selective measurement of multicomponent analyzer system. The principle of PCM system can be widely utilized in other fields for on-line continuous industrial analysis. 为多元组分建立了多维信号空间数学模型及其处理方法（坐标变换），设计了包含非接触传感器的过程组合测量系统──在线非接触过程组合测量（ｏｎ－ｌｉｎｅ）ＰＣＭ系统．作为一种新型的分析系统，它具有稳定、快速响应及很高的精确度，其原理也可应用于工业在线连续分析的其他领域中． << 更多相关文摘
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