The results show that the annular array in different combination and excitation condition has radiation characteristics of monopole, dipole and quadrupole of acoustic logging.
实验结果表明，在不同组合和激励条件下，圆弧阵具有声波测井的单极子、偶极子和四极子声源的辐射特征。
Such a molecular array switch has advantages of facility due to the acid-base neutralization and broad-band sensitivity due to the simultaneous response to different excitation wavelengths.
考虑到酸碱中和反应的方便性及分子阵列对不同波段光激发同时敏感的广谱性，该分子阵列开关具有特殊优势。
Numerical examples are given for the broadside array in which the excitation amplitude coefficients have tolerances.
并对激励幅度具有容差的侧射天线阵进行了计算。
Computations are performed for radiation field of inclined and horizontal four-element array with turnstile excitation, and some typical patterns are shown.
对倾斜的和水平的四元阵按相位旋转方式激励时的辐射场进行了计算、示出一些典型辐射图。
The distance between antenna elements and element's excitation currents are used as variables to optimize the side lobe of equal space linear array firstly.
首先，以各单元馈电电流和单一阵元间距为变量，对一般天线阵进行了降低旁瓣电平的优化。
The distance between antenna elements and element's excitation currents are used as variables to optimize the side lobe of equal space linear array firstly.
首先，以各单元馈电电流和单一阵元间距为变量，对一般天线阵进行了降低旁瓣电平的优化。
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