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array system
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  阵列体系
     Synthesis and Characterization of Nano-Hg_2Cl_2/Al_2O_3 Ordered Array System
     纳米Hg_2Cl_2/Al_2O_3有序阵列体系的制备和表征
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     The photo potential of 40 V-NiO/AAO array system is higher than that of 60 V -NiO/AAO array system under ultraviolet light with 365 nm wavelength.
     在紫外灯(365nm)照射下,40V比60VNiO/AAO阵列体系的光电压大。
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     Preparation of Porous Alumina Template and Assembly of Nano-Channel Array System
     多孔氧化铝模板制备与纳米阵列体系组装
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     The composition, structure and morphology of the nanowire were characterized respectively with X-ray diffraction (XRD), atomic force microscopy(AFM)and scanning electron microscopy (SEM). The photo potential of NiO/AAO array system was also measured.
     利用X射线衍射(XRD)、原子力显微镜(AFM)和扫描电子显微镜(SEM)对NiO纳米线的组成、结构和形貌进行了表征,并测试了NiO/AAO阵列体系的光电压。
短句来源
     In this article, the synthesis process, structure, shape and properties of this array system are described and future prospects of applications are also presented.
     文章重点介绍了这种阵列体系的合成过程、结构形态和性质 ,并展望了其应用前景 .
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  组合系统
     The Geological Survey Department of Jianghan Oil Field has de- veloped an electrically-weighted geophone array system.
     江汉油田地调处试制成功了一种电子加权检波器组合系统
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  列阵光学系统
     Binary Phase Corrector for Phased Array System
     二元位相校正技术在相控列阵光学系统中的应用
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  “array system”译为未确定词的双语例句
     Structure and Properties of Ni-Al_2O_3 Nanochannel Array System by Direct Current Electro-deposition
     直流电沉积Ni-Al_2O_3纳米阵列体系结构与性能
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     Design of GPS Multi-antenna Array System for Deformation Monitoring
     GPS天线阵列变形监测系统设计
短句来源
     Design and application of GPS multi-antenna array system for deformation monitoring
     GPS天线阵列变形监测系统设计及应用
短句来源
     DNA Array System Based on Electrical Detection of DNA Hybridization
     电导检测型DNA微阵列系统的研制
短句来源
     The modelling result by light tools shows the optical efficiency 81 %,the uniformity +4.55 %, -5.54 % of the lens array system and the optical efficiency 79 %, the uniformity +4.37 % ,-4.58 % of the telecentric light pipe system.
     仿真结果表明,透镜阵列系统实现了均匀性(+4.55%,-5.54%),光能利用率为81%的照明输出; 积分方棒系统实现了均匀性(+4.37%,-4.58%),光能利用率为79%的远心照明输出。
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  array system
Results show that the cascaded arc array system can create a ring-shaped plasma plume having near-uniform electrical energy in the circular direction.
      
Secondly, multiple (shear and flexural) cracks incurred in a reinforced concrete (RC) beam under a third point bending test are monitored continuously by using a sensor array system composed of the PZT patches.
      
Simulation results verify the analysis and show that better performance is achieved for the proposed antenna array system than single antenna MT-CDMA approach.
      
Downlink transmit diversity modes for WCDMA together with a two fixed-beam antenna array system are compared relative to the single antenna sectorized system in a radio network simulator.
      
Downlink transmit diversity modes for WCDMA together with a two fixed-beam antenna array system are compared relative to the single antenna sectorized system in a radio network simulator.
      
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It has been a rather long time since the pattern method was applied in seismic prospecting for oil for improving the appearance of the seismic records as well as the signal-to-noise ratio. Even up to the present, it is still used in the field, however, the number of geophones are increased, particularly in the complicated region. Moreover, it could be used in analog playback and in data processing by electronic computer. So we can see that the pattern method is still a useful tool.By studying the regular wave...

It has been a rather long time since the pattern method was applied in seismic prospecting for oil for improving the appearance of the seismic records as well as the signal-to-noise ratio. Even up to the present, it is still used in the field, however, the number of geophones are increased, particularly in the complicated region. Moreover, it could be used in analog playback and in data processing by electronic computer. So we can see that the pattern method is still a useful tool.By studying the regular wave pattern method ranging from the simple sinusoidal vibration summation by which the direction coefficient could be calculated to the later Fourier frequency spectrum method, it does not only heighten the awareness of the analysis theoretically but also probe deeply into the study of pattern characteristics. Nevertheless, what all these methods could do is that wave could be decomposed to harmonic sum only, the synthetic waveform was not calculated yet.The author's attempt is to make up its inade ong this line. From the viewpoint of Laplace Transform, the conduction characteristics of linear array system must be. firstly deduced and then input waveform is given in order to achieve the result of output. In this way the deeper and audio-visual output analysis which is used for pattern method can be put forward. It is hoped that this paper would be helpful to those who are engaged in seismic prospecting.

石油地震勘探中的组合法,已有较长的历史.对于改善地震记录面貌,提高讯噪比起了良好的作用.至今,野外施工中还在使用,在复杂地区尚有增加检波器个数之势.在模拟回放处理和电子计算机处理资料时,也在某些情况下使用.可见组合法还有其生机.规则波组合法的研究,从早期的简单正弦振动求和法算出其方向系数,到以后的福里哀频谱法,从理论上不断提高了分析能力,而且对组合特性的研究更加深入.但这些办法在分析中也还只是把波分解成谐波之和,并未算出合成波之波形.本文就是要弥补这方面的不足,从拉氏变换的角度,先导出线性组合的系统传导特性,给出输入之波形求输出之结果.这样对组合法提供更深入更直观的(输出)分析.希望对从事石油地震勘探工作的同志能有所俾益.

For the sole purpose of improving the signal-to-noise ratio, various kinds of array systems have been applied. But what we did in the study of array method so far is still very insufficient.

为了提高信噪比,我们曾应用过各种类型的组合系统,但到目前为止,对组合法的研究还是很不够的。 本文讨论了不同类型组合系统的相关响应,给出了组合系统统计效应更一般的表达式,把表达式建立在严格的理论基础上。它适用于任意类型的组合系统,也适用于水平迭加、迭加偏移等具有动校正的非线性组合系统。通过组合参数的选择,进行弱相关接收或独立接收以提高统计效应,降低相关效应,这是增大信噪比,提高时问剖面可靠性的重要方法。

In this paper the element pattern-steerable adaptive circular arrays are described. The element consists of three-orthogonal dipoles. All the element radiation patterns in the array can be steered by a set of weightings to point to an arbitrary specified direction. Thus a high directional beam in an arbitrary directional position within a 3-dimensional space can be formed to capture a desired signal effectively. On the above basis the techniques of the adaptive linear array of uniformly spaced isotropic elements...

In this paper the element pattern-steerable adaptive circular arrays are described. The element consists of three-orthogonal dipoles. All the element radiation patterns in the array can be steered by a set of weightings to point to an arbitrary specified direction. Thus a high directional beam in an arbitrary directional position within a 3-dimensional space can be formed to capture a desired signal effectively. On the above basis the techniques of the adaptive linear array of uniformly spaced isotropic elements investigated by W. F. Gabriel are generalized to the special topic of the element pattern-steerable adaptive circular arrays by means of the concept of equivalent interference source.This paper discusses following theoretical aspects of the said arrays: the array far-zone radiation field, the direction-controlled weighting factors of the element radiation pattern, the covariance matrix of the set of system inputs, the orthogonal resolution of the array output pattern, the transient characteristic for total output noise power of the array system.

本文采用一种振子型合成元作为阵元组成圆阵天线,通过一组加权,可控制阵中所有的元方向图型都指向预先任意规定的相控方向。这在“全向”范围内,任何方向都能形成强定向波束,以有效地获取有用信号。在此基础上,本文通过引入等效干扰源的概念,把Gabriel的各向同性元自适应直线阵理论扩展应用到有向元圆阵,对单元方向可控自适应圆阵专题进行了研究。它包括:阵远区辐射图型;单元方向可控圆阵系统输入协方差矩阵的导出;单元方向可控自适应圆阵辐射图型正交分解;阵系统输出噪声瞬态特性公式。

 
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