查询词典 mixture

This algorithm simplifies the convolutive mixture problem into the instantaneous mixture problem from a new point of view, so it avoids domain transformation and convolution operation, as well as decreases the complexity.

由于没有使用域变换而是从新的角度将卷积混合问题简化为瞬时混合问题，避免了卷积运算或域映射过程，降低了算法的复杂度。

The original Infomax is only applied in the instantaneous mixture and in the single channel blind deconvolution. This thesis applies the idea to blind sources separation in multiple channel convolutive mixture.

Infomax算法适用于瞬时混合情况下的盲分离和单通道盲解卷积问题，本文将Infomax算法推广到多通道卷积混合，对算法进行仿真，取得了不错的效果。

Firstly the sampling convolutive mixture signals are reseted for matching instantaneous mixture model, then considering non-stationarity of the sources, space whitening and joint block-diagonalization method is exploited to obtain the original signals.

该算法先将采集到的卷积混合信号进行重排，使之满足重新定义向量后的瞬时混合模型特征，然后考虑到信号的非平稳特性，采用空间白化和联合近似块对角化方法分离出源信号。

The contributions of this paper are followed:1 IntroductionIntroduce the concept "Blind" and present MEMO blind source separation model.2 Research on the instantaneous mixture systemReview the techniques developed for the demixing of the instantaneous mixture case.3 Research on the linear convolutive systemModel the linear convolutive system and review the deconvolution approaches in time domain.4 Introduce a new method to MIMO BSSA new approach to MIMO blind source separation in frequency domain is introduced, experimental tests are conducted,and results are satisfied.

论文包括了以下几个部分： 1。简介介绍&盲&的概念，并对瞬时混合盲源分离系统进行建模。 2。对瞬时混合多输入多输出系统的研究对瞬时混合系统的盲源分离原理和技术进行了简单的回顾。 3。对线性卷积混合系统时域算法的研究对线性卷积混合系统建模，并对时域的盲解卷方法进行研究和比较。 4。提出了一种对线性卷积混合系统进行分离的新方法提出一种多输入多输出线性混合系统的频域盲源分离方法，进行仿真实验，以验证该算法的效果，初步结果令人满意的

Time-delay mixture and convolutive mixture model.

化油器将浓混合气输至副燃烧室，将稀混合气输送至主气缸。

Methods Forty male Sprague-Dawley rats were randomly divided into 5 groups on average: sham group, model group, benapril group, small-dose matrine and crataegus mixture group, and large-dose matrine and crataegus mixture group.

40只雄性SD大鼠，随机分为假手术组、模型组、苯那普利组、苦参山楂合剂小剂量组和大剂量组。

Methods Forty male SpragueDawley rats were randomly divided into 5 groups on average: sham group, model group, benapril group, smalldose matrine and crataegus mixture group, and largedose matrine and crataegus mixture group.

40只雄性SD大鼠，随机分为假手术组、模型组、苯那普利组、苦参山楂合剂小剂量组和大剂量组。

Experimental results show that with given double swirl and direct pneumatic-valve and detonation tube structure, the decrease of partial detonable mixture filling proportion causes a little decrease of the peak value of detonation waves' pressure ,but impulse per unit volume of detonable mixture increases linearly.

研究结果表明，在气动阀选定、爆震管长度和爆震管内部结构一定条件下，随着脉冲爆震发动机可爆混气充填爆震管比例的降低，虽然爆震波压力峰值略有下降，但是，单位体积可爆混气获得的冲量线性增加，提高了脉冲爆震发动机的工作性能。

When all the sodium has dissolved, a mixture of 164 parts of ethyl phenylacetateand 118 parts of diethyl carbonate is added during 5 minutes and the mixture is maintained at the boil for a further hour.

当所有的纳都溶解后，然后在五分钟内添加164份乙基乙酸苯酯和118份二乙基碳酸酯的混合物，混合物再另外维持一个小时的沸腾状态。

The composition of the equilibrium mixture is the same no matter whether one has started from an equimolar mixture of acid and alcohol or ester and water.

起始的等摩尔混合物无论是羧酸和醇还是酯和水，平衡混合物的组成都是相同的。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。