Generalized whitening method based on fractional order spectrum in the frequency domain;
基于分数阶谱的频域广义白化滤波方法
Through robust whitening process and resolving optimization problem, the covolutive blind speech source separaton is realized.
首先对观测信号进行重新排列,将卷积混合盲分离问题转化为瞬时混合盲分离问题,然后对联合近似对角化算法进行了推广,利用语音的非平稳和短时平稳特征定义联合差分相关矩阵和联合块对角化代价函数,通过鲁棒的白化过程和求解最优化问题实现卷积语音的盲分离。
In this paper, the feasibility of applying the grey model to obtaining the interpolation in dynamic measurement is analyzed, and a method is put forward to make interpolating prediction using the grey prediction model derived from the whitening of dynamic measurement errors according to the principles of grey modeling theory.
根据灰色建模机理和特点 ,分析动态测量中灰色模型插值的可行性 ,提出动态测量误差白化生成的灰色预测模型用于插值预报的方法。
Preliminary Study on Gene Expression Differences between Normal Leaves and Albino Leaves of Anji Baicha (Camellia sinensis cv. Baiye1);
安吉白茶正常与白化叶片基因表达差异的初步研究
Genetical Analysis of Albino Lemma and Violet Auricle of Flag Leaf in Two-row Barley;
二棱大麦白化颖壳和旗叶紫耳突变的遗传分析
Using electron microscope, we found that rice albino mutant Osalb23 had no thylakoid inside the chloroplast, only some empty vesicles could be observed (Fig.
通过电镜观察,我们发现水稻白化突变体Osalb23的叶绿体发育缺陷,内部缺少正常类囊体片层结构。
Progress of adaptive mechanism of coral and symbiotic algae during bleaching;
珊瑚及共生藻在白化过程中的适应机制研究进展
Relationship Between the Albinism of Somatic Embryo and Plant Regeneration in Gossypium hirsutum L.;
陆地棉体细胞胚的白化与植株再生的关系
In March,2006,a case of albinism female Rhinolophus cornutus was discovered in a cave of Tianpu,Xinxian,Xinyang,Henan.
2006年3月在河南省信阳市新县田铺乡发现1只白化雌性角菊头蝠Rhinolophus cornutus,为中国首次报道。
Firstly, the mixture signals are whiten so that the scatter plot of which is changed into the scatter plot when they are independent, and then the scatter plot of whiten signals is rotated by C ~2 n times Givens t.
该文提出了一种多个均匀分布的源信号混叠的盲分离几何算法,该算法以矩阵的QR分解原理为分离的理论指导,并结合信号在各个阶段其scatter图所具有的特殊几何性质,首先将混叠信号进行白化,使其scatter图恢复为独立时的scatter图形状,然后将白化后的scatter图通过C2n次旋转变换,使其与各坐标轴平行,从而得到n个信号的分离。
At first,the mixture matrix is changed into orthogonal matrix by using whitened mixture signals.
该算法先采取白化混叠信号将混叠矩阵转换为正交矩阵 ,然后基于QR分解理论 ,将混叠信号进行一系列初等旋转变换 ,并结合源信号相互独立时互信息量最小的特点 ,导出了一种新的自适应盲分离算法 。