英语释义

1. any of the statistical coefficients that arise in the series expansion in powers of x of the logarithm of the moment-generating function

片语

cumulant method一种基于累积技术

cumulant expansion累积展开法

cumulant enhancement累积量增强

cumulant ectral累积谱

Cumulant domains累量域

normalized cumulant归一化累积量

cumulant moments累积矩

factorial cumulant阶乘累积量

cumulant invariants累量不变量

英汉例句

• we propose a high order cumulant based on near field communication algorithm of doa estimation.

  提出一种基于高阶累积量的近场通信波达方向估计算法。

• in this paper, the cumulant method using available capacity distribution(acd)based on chronological load curve for production simulation of power systems is presented.

  本文提出一种电力系统随机生产模拟新方法——有效容量分布的累积量法。

• a special four order cumulant was defined to extract doas and doppler frequencies from additive gaussian colored noise.

  最后通过定义一个特殊的四阶累积量提取加性高斯有色噪声中的方向角、多普勒频率。

• a method for detecting feature of signal embedded in additive noise is presented, which based on third-order cumulant diagonal slice.

  提出了一种基于三阶累积量对角切片的特征检测方法。

• the higher-order cumulant is an effective method to restrain colored noises.

  高阶累积量是抑制有色噪声的一个有效方法。

• the algorithm utilizes the common nullspace of a set of fourth-order cumulant matrices of the output signals to identify an unknown mimo channel impulse response up to a constant monomial matrix.

  该算法利用一组输出信号的四阶累积量矩阵的零空间，把一个未知多输入多输出（mimo）信道的沖激响应辨识成一个常的单项矩阵。

• since an existing linear algorithm mimo system doesn't fully utilize inherent structure of cumulant matrix, we develop an improved algorithm to improve its performance of estimation.

  针对已有的一个线性mimo系统辨识方法没有充分利用累积量矩阵固有结构的不足，提出一个改进算法，从而提高估计性能。

• when two parameters of four-order cumulant function choose values of the diagonal direction and the off-diagonal direction of the matrix and the third parameter is zero, we can get the best matrix.

  其中当四阶累积量函数的两个变量分别在矩阵的对角线方向和偏离对角线方向取值并且第三个变量取零时，得到的矩阵的分析效果最好。

• the third-order cumulant is used to improve the robustness to noise, and the singular value vector is used to reduce the memory and complicatedness.

  该方法一方面利用三阶累积量提高了抗噪性能，同时又使用非零奇异值矢量减少了存储量与运算量。

• in order to improve the function of tdoa estimation in satellite jamming emitter location, an optimize estimation algorithm based on fourth-order cumulant is presented.

  为了提高卫星干扰源测时差定位的性能，提出了四阶累积量时间差（tdoa）估计优化算法。

• analysis is done on a music_like algorithm increasing the virtual array elements based on the forth order cumulant and the principle of array extension.

  分析了基于四阶累积量进行阵列扩展的music_like算法，研究了阵列扩展的基本原理。

• figure 6 is the relation between soot cumulant and pressure drop increment, as soot increases, pressure drop increases obviously, in linear relation.

  图6碳烟累积量与压降增量的关系，随着碳烟的增加，压降明显增加，呈线性关系。

• because cyclic higher-order statistics can depress gaussian noise, cyclic higher-order cumulant can be used to structure invariants of classifier.

  由于高阶循环统计量具有抗平稳噪声的能力，从而在高阶循环累积量域构成了分类特征不变量。

• after that, two speech enhancement algorithms based on rls are presented: noise cancellation system based on rls, and cumulant based rls (crls) algorithm.

  进而分析和研究由rls算法发展而来的两种语音增强算法——基于rls算法的延迟改进型噪声抵消算法和基于累积量的rls（crls）算法。

• case studies based on ieee reliability test system and the comparisons with conventional cumulant methods are given.

  文中给出了基于ieee可靠性测试系统的算例分析以及同传统累积量法的比较。

• theoretical derivation indicates that time averaged three-order cumulant of signals, which are from(random) phase harmonic processes, is nonzero and its one-dimension slice is also a harmonic process.

  理论推导表明，随机相位谐波过程时间平均三阶累积量为非零值，而且其一维切片仍然是谐波过程。

• compared with the existing algorithm, the improved algorithm fully utilizes the inherent structure of cumulant matrix of the output signals and improves its performance of estimation.

  和原算法相比，改进算法充分利用了输出信号的累积量矩阵固有结构，从而提高了算法的估计性能。

• the cumulant equation having generalized form was also derived in the paper.

  本文还推导了具有一般形式的累积量方程。