• The color wheel are the colors of the rainbow arranged in a circular array.

    就是彩虹颜色圆形阵列排放。

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  • If those tests are successful, the eventual plan is to fly an e-sail craft that will unfurl a circular array of up to 100 20-kilometer-long conductive filaments only 25 microns thick, Janhunen says.

    如果这些测试获得成功最终计划发射电子飞船,可展开多大100个20千米长25微米厚的导电纤维

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  • Smart antenna circular array design process, you can set a different radius.

    智能天线圆形阵列设计程序可以设置不同圆半径

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  • The next day, the Rangers seemed to see the death knight away, dragged into a "dancing skeleton" of the circular array.

    第二流浪者似乎看见死神把骑士带走进了一个骷髅阵中

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  • Spatial autocorrelation method; Phase velocity dispersion of Rayleigh wave; Circular array; Microtremor survey method.

    空间自相关雷波相速度圆形排列;微震勘探法。

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  • A novel design procedure of a circular antenna array and its calibration technique for smart antenna system is proposed.

    论述了一种用于智能天线系统新型圆形天线阵列校正网络设计方法

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  • A beam shaping algorithm for circular arrays antenna pattern based on adaptive antenna array theory is presented.

    基于自适应天线理论给出一种用于圆形阵列天线方向图波束赋形算法

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  • In this paper, an introduction of the use of cumulants to a kind of DOA estimation of uniform circular array is proposed.

    本文针对一种均匀阵列相干信号DOA估计所做的变换处理,引入累积量进行参数估计。

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  • This paper investigates the benefit of mutual coupling compensation in a novel smart antenna circular array at 3G-communication system frequency.

    本文研究一种新型圆形智能天线3G通信系统所在频段补偿

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  • This paper presented a mutual coupling calibration algorithm that needs one assistant source for uniform circular array.

    提出种利用一个辅助估计均匀耦系数算法

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  • The formulas of calculating range and bearing for circular array are derived, and ranging performance are analysed theoretically. The simulation results show that the theoretical analysis is correct.

    文中给出圆周测距、测向公式,从理论上分析了测距性能计算机仿真结果验证理论分析的正确性。

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  • A null synthesis method for circular array without coupling is presented, and the effects of coupling to null are also analyzed by the method of moments.

    给出一种情况下圆形阵列天线零点综合的有效方法分析了互耦零点综合的影响采用互阻抗近似的方法在考虑互耦时对零点进行控制。

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  • The big difference between measured and theoretic manifold of the circular array showed that the broadband constant beamwidth beamforming method used in the paper has good tolerance.

    实验实测阵列流形理论阵列流形存在较大误差,这表明该文采用可适用于任意结构阵列的宽带恒定束宽波束形成方法具有良好的宽容性。

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  • A new mutual coupling calibration algorithm is presented to estimate the mutual coupling (coefficients) of uniform circular array.

    提出了一种估计均匀系数算法

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  • Based on the special structure of coupling matrix, a direction of arrival (DOA) estimation algorithm in the presence of unknown mutual coupling for the nonuniform circular array (NUCA) is presented.

    基于矩阵特殊结构给出种更具一般性的非均匀模型,提出了一种在未知互耦条件下的非均匀圆阵波达方向估计算法

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  • The mutual impedance matrix of the circular array is also studied by using network theory and MOM.

    利用网络理论和矩量法阻抗矩阵的计算进行了研究。

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  • The results of computer simulation show that Bayesian high-resolution method has better performance than other methods in both uniform linear array and circular array.

    本文研究了利用叶斯高分辨方法解决相干源的问题,分别均匀线列阵圆形中的相干源问题进行计算机仿真,并将贝叶斯方法和其它方法进行比较

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  • These two algorithms have no constraints on the array shape and they can easily be applied to beam outputs of uniform circular arrays which are often used in underwater systems.

    两种算法阵列形式没有限制可以应用水声系统常见均匀波束输出

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  • According to the symmetry of the circular array, the algorithm for solving the general impedance matrix assignment of MOM is presented to save computational time.

    根据对称性给出了在矩量法中广义阻抗矩阵赋值算法节省计算时间

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  • Numerical results show that it is efficient to reduce the sidelobe level of circular array antenna and application examples of the new synthesis technique in adaptive DBF are also presented.

    数值结果表明该方法对于降低圆形阵列天线十分有效。文中通过数值例子说明了特征矢量综合法自适应数字波速形成(DBF)算法中的应用效果。

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  • Based on uniform circular array and its elements output signal delay, a novel method for estimation of spatial frequency, azimuth and elevation is presented.

    本文基于阵列及其输出时延提出一种空间信号频率方位角仰角联合参数估计方法

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  • Investigates the problems of joint 2-d angular and frequency estimation based on uniform circular array (UCA).

    研究均匀圆形阵列联合二维角度-频率估计问题

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  • The angle ambiguity of uniform circular array was analyzed, and the non-ambiguity condition was obtained.

    分析了均匀圆形阵列角度模糊问题,得到了其不模糊条件

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  • Therefore, supergain hydrophone array, particularly the small-sized circular array, is very good for improving the detection performance of low frequency passive sonar.

    由于超增益阵具有尺度小、空间增益高特点,对于改进低频被动声纳检测性能具有重要意义。

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  • Then the 2d-music algorithm of uniform circular array was presented, which can estimate the DOA of multiple non-coherent emitters.

    给出了均匀圆形阵列结构下维music算法算法相干辐射源到达角进行估计。

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  • The results obtained are helpful to research STAP based on forward looking circular planar array antennas.

    所得结果有助于研究基于面阵的空时自适应处理。

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  • The circular array performs best but is more difficult to be designed and needs the highest drive voltage.

    圆形变形镜性能最优设计复杂驱动电压最高

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  • On the basis of given desired circular array pattern, the pattern for circular arrays of uniform distributed directional elements is synthesized by using of improved Woodward-Lawson sample method;

    基于给定圆形阵列期望方向利用改进伍德沃德-劳森抽样法均匀分布有向阵元的圆形阵列方向图进行综合;

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  • The array is of simple structure, low sidelobe level and circular polarization characteristics.

    天线结构简单具有低极化特性

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  • The array is of simple structure, low sidelobe level and circular polarization characteristics.

    天线结构简单具有低极化特性

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