阵列

Based on the decomposition of the space time eigenstructure of signals,a novel wideband spectral correlation space time DOA matrix method is proposed in this paper to estimate the 2 D DOA of wideband signals .

该方法利用信号的循环平稳特性实现了对宽带信号的有效处理，同时通过空时变换将传统的一维空域处理拓展到了二维空时处理，更充分地利用了信号的时域特征，从而大大简化了阵列结构，提高了算法的性能。

In this paper we propose a method called Generalized Spectral Correlation Signal Subspace Fitting for DOA estimation,which is applicable in both wide and narrow band scenarios.Especially,in narrow band cases,the method is capable of enlarging the effective aperture of sensor array considerably.

本文提出了一种用广义谱相关信号子空间拟合进行波达方向估计的方法，该方法同时适用于宽带与窄带信号的DOA估计，在窄带情形下还能够大大提高阵列的等效孔径。

The main contributions of the dissertation are as follows: The conjugate cyclic ESPRIT and spectral correlation conjugate cyclic signal subspace fitting method with minimum-redundancy linear-array are presented for narrowband DOA estimation.

利用阵列天线和先进的信号处理技术，可以充分地开发信号中蕴藏的"空间维信息"，形成精细赋形波束，有选择地接收和发送用户信号，从而有效地抑制干扰，提高系统容量和服务质量。

Seeded amplification of colored conical emission and two-dimensional multicolored transverse arrays as well as simultaneously up-converted parametric amplification have been demonstrated using spectral synthesis to obtain sub-fs pulses.

基于分子调制过程，文章作者提出并发展了一系列亚飞秒脉冲产生和操控的技术；围绕频谱合成方案，利用级联二阶非线性效应，实现了多色圆锥辐射注入放大和二维多色阵列及其参量上转换放大；同时，还开展了基于飞秒振荡器及外腔增强技术的高重复频率高次谐波产生与输出耦合的相关研究。

Pattern perception, for instance, is poorly developed so that an extremely large array of stimulus configurations may serve to elicit a certain behavior sequence, and thus there is little specificity in stimulability.

模式的知觉，例如，发展不足以致於，这样一个相当大的阵列配置的刺激可能有助於引起某些行为排列，因此很少有特异性的刺激反应。

Through the analysis on spurious signal, we concluded that the sources of spurious signal generation are due to fabrication defects in the strip—coupling region and the defects in the diode array, so the advanced surface technique is the guarantee to spurious signal suppression.

通过对杂波的分析，我们得出结论：杂波主要是由相互作用区的缺陷以及二极管阵列的缺陷所产生，因此，杂波的抑制要靠良好的工艺来保障。

We put great emphasis on the investigation of low complexity suboptimum multi-user detection and the space-time processing based on antenna array.

本论文针对多径频率选择性衰落信道下CDMA信号检测中的多址干扰抑制问题，研究次最优的多用户检测和使用阵列天线的空时处理技术。

By scanning electron microscopy observation,distribution of pores was found to be ordered and pores were precisely vertical to their substratum.

采用阳极氧化方法制备了多孔氧化铝有序孔洞阵列，通过场发射扫描电镜和X射线衍射观测了样品的表面、截面的形貌和晶态结构，分析了样品的透射光谱性质。

A successive approximation technique is used with capacitor arrays to define the 16 steps and 8 chords in the signal conversion process.

阿逐次逼近技术用于电容阵列来定义16步和第8的信号转换过程中的和弦。

A method for the determination of 12 sulfonamides (sulfanilamide, sulfamonomethoxine, sulfacetamide, sulfamethoxazole, sulfadiazine, sulfisoxazole, sulfathiazole, sulfadimethoxine, sulfamerazine, sulfaquinoxaline, sulfamethazine, sulfanitran) in cosmetics was developed by ultra performance liquid chromatography with photodiode array detector. The chromatographic column used was Acquity UPLCTM BEHC C18 (50 mm×2.1 mm, 1.7 μm) and the mobile phase was acetonitrile-0.1% formic acid aqueous solution.

建立了采用超高效液相色谱-二极管阵列检测器测定化妆品中12种常见的磺胺抗生素(磺胺，磺胺间甲氧嘧啶，磺胺醋酰，磺胺甲基异唑，磺胺嘧啶，磺胺二甲异唑，磺胺噻唑，磺胺二甲氧嘧啶，磺胺甲基嘧啶，磺胺喹啉，磺胺二甲嘧啶，磺胺硝苯)的方法。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。