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In order to make use of time-frequency characteristic of signal,a new method of variational estimation on signal frequency by using AR model power spectrum estimation,designing band-pass filter to gain approximatively source signals and underdetermined mixed matrix,and constructing completed observation signals by expanded subspace primer vector is proposed.

充分利用信号的时频特性，提出了AR模型功率谱估计法滑动估计信号频率，设计带通滤波器近似获取源信号和欠定混合矩阵，以及扩展子空间向量基构造完备观测信号的方法，将问题转化为完备情况下的盲分离，最后运用FastICA方法实现了信号盲分离。

The differences is indeed that the source or power was the water-wheel,while in the prime motors of Europe, the force of steam was applied to the

长安源社区http：//www.changanyuan.com 译文：差别只在动力来源不同：中国是用水轮驱动，欧洲的原始发动机则以蒸汽力作用于活塞。

The differences is indeed that the source or power was the water-wheel, while in the prime motors of Europe, the force of steam was applied to the piston, but otherwise the set-ups were morphologically the same.

差别只在动力来源不同：中国是用水轮驱动，欧洲的原始发动机则以蒸汽力作用于活塞。至于结构方面，其形态大致相同。

The differences is indeed that the source or power was the water-wheel,while in the prime motors of Europe, the force of steam was applied to thepiston, but otherwise the set-ups were morphologically the same.

春秋中文社区http：//bbs.cqzg.cn 译文：差别只在动力来源不同：中国是用水轮驱动，欧洲的原始发动机则以蒸汽力作用于活塞

According to Alvin Toffler, the author of The Third Wave, Knowledge is the source of both power and wealth in the New Economy, and innovation is the catalyst of knowledge creation.

据阿尔文托夫勒，作者第三次浪潮，是知识的来源既权力和财富分配在新经济中，创新是推动知识创新。

Truly the trumpet is a wind instrument and is dependent upon the breath as a source of motive power.

正因为小号是铜管乐器，所以它的动力的源泉来自于气息。

Based on analyzing user loads running characteristic and power system topology structure, this paper presents a new harmonic source separation method that is on-line search zero iterative method.

然后在分析用户负载运行特性的基础上，根据供电网络拓扑结构，提出一种新的谐波源分离方法—在线寻零迭代法。

The negative linear correlation of TSP concentration with the magnetic parameters mass specific susceptibility , saturation isothermal remanence , susceptibility anhysteretic remanent mangetization and hard isothermal remanent magnetization discriminate the different source types from iron and steel complex, power plants, fossil fuel combustion and para-/dia-magnetic pollutants in all sampling sites.

磁学参数x〓、SIRM、x〓、HIRM显然描述了不同气溶胶的来源，这包括炼钢厂、煤的燃烧、建筑工地扬尘和风蚀土壤。而磁学参数比值的变化要低于磁学参数浓度的变化。对现代发电厂烟囱源的样品分析表明，由燃煤产生的磁性颗粒由0μm的细颗粒物占优。气溶胶中较多的磁性颗粒物可能主要来自于需经改造的陈旧技术。

Friends can be the power of our lives and work, or the source of our annoyment and suffering.

朋友可以是我们生活和工作中的动力，也可以是我们烦恼和痛苦的根源。

Chapter Two explores the property and source of associational penalty power.

第二章是对行业协会处罚权的来源和性质的论述。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。