阵列

Firstly, a signalized point is stuck on a moving object to be tested, a microphone array and two video cameras are arranged, and the video cameras are demarcated to obtain a projection matrix; sound pressure signals of a sound source in the moving object to be tested are obtained by the microphone in an array mode, the dynamic video of the moving object to be tested is obtained and disassembled into an image by the video cameras; the signalized point on the moving object to be tested is identified in the video image and the matched signalized point is treated with three-dimension reconstruction to obtain the spatial location of the moving object to be tested; the sound pressure signals are treated with beam forming treatment to obtain a sound field characteristic function scattergram of the moving object to be tested, the video image is treated with spatial coordinate superposition frame by frame and restored into a dynamic video image.

首先在被测运动物体粘贴标志点，布置传声器阵列和两台摄像机，对摄像机进行标定，得到投影矩阵；传声器阵列获取被测运动物体中声源的声压信号，摄像机获取被测运动物体的动态视频，将动态视频拆解成图像；在视频图像中识别出被测运动物体上的标志点，对匹配后的标志点进行三维重构，获取被测运动物体的空间位置；对声压信号进行波束成型处理，得到被测运动物体的声场特征函数分布图，将其视频图像进行逐帧空间坐标叠加，并还原成动态视频图像。

The structure of the large area scintillating fiber array detector and the characteristics of the scintillating fibers unit were described.

对大面积光纤阵列探测器中的光纤阵列探测单元的性能进行检测。

The test results show that ratio of performance and price is higher than the ratio of SCSI disk arrays.

用这种方法构造的磁盘阵列性能价格比高于SCSI磁盘阵列。

The algorithms estimate the DOA of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signal s, thus avoiding unwrapping of phases.

该类算法首先将阵列接收的宽带信号变换到频率域，然后对于每个频率形成阵列接收信号协方差阵，最后由该协方差阵的次对角线元素估计宽带分布源的到达角，其主要特点是避免了相位展开。

Both the spherical and semispherical microlenses have a function of imaging. The result shows that semi-spherical has better imaging effect.

通过2种微透镜的显像对比证实，半球微透镜阵列比整球微透镜阵列具有更为清晰的多重显像效果。

When Japan launches a 33-foot radio dish into orbit next year the world's first space radio telescope will use the Very Long Baseline Array's correlator in Socorro as its "brain," and will tie in with the array for joint observations.

日本明年将把33英尺的射电抛物面天线送入轨道，此时世界第一台空间射电望远镜，将索科罗德的甚长基线阵列处理机作为其"大脑"，与该阵列结合为联合天文台。

Based on the aberration theory of AWG, a new-type flat-field AWG is designed. The focal signals of all wavelengths of operation are focusing along a straight line perpendicular to the propagation direction. Three stigmatic points restrain three dominant geometry parameters. Furthermore, a new-type flat-field wavelength router with both flat input field and flat focal field is also designed.

基于阵列波导光栅的像差理论，利用三个无像差点约束三个主要结构参量，设计了新型平场聚焦阵列波导光栅，使得所有工作波长的输出信号都聚焦在与光束传输方向垂直的直线上，并进一步将其拓展为同时具有平输入场和平聚焦场的新型平场波长路由器。

In this paper we discuss the major constraint factors on array feed elements as well as the comparison of superheterodyne receiver with direct detection receiver.

论文研究了馈源阵列的主要制约因素，对比分析了超外差接收机和直接检波式接收机的特性；并进一步讨论了系统的信噪比，以全面评价毫米波焦平面阵列成像系统的性能。

With Time Division Multiplexing and Wavelength Division Multiplexing Technology, the FBG sensor array can build FBG .

尤其是在一根光纤中可连续写入多个光栅构成光栅阵列，因此，将光纤光栅阵列与波分和时分复用技术相结合，实现网络传感。

Firstly, the mode excitation method is used to transform the UCA in element space into a virtual ULA in mode space. Then a Toeplitz matrix can be reconstructed to estimate DOA of coherent signals successfully.

该算法对均匀圆形阵列的输出信号进行模式激励，使其成为模式空间内的虚拟阵列；在此基础上重构一个Toeplitz 矩阵，成功地估计出相干源的来波方向。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。