The results for element input impedance, radiation efficiency of space wave, directivity and radiation pattern are presented.
其结果包括阵列单元的输入阻抗、空间波辐射效率、方向性系数和辐射方向图等。
A cone wave can be generated by a CGH. The centre of the diffraction pattern of the cone wave is continuous in space and can be used as an alignment straight lint.
用一张计算全息图可产生锥面波，锥面波衍射图样的中心在空间是连续的，可作为直线基准。
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