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引用次数: 5
摘要
本文在空间太阳能应用的背景下，对利用相位共轭天线阵从卫星向地球发射微波功率进行了理论研究。分析表明，相位共轭阵列孔径尺寸必须大于1 km × 1 km，才能适用于实际的SSP系统。此外，如此大尺寸的天线阵的性能与传统相控阵不同，因为地面上的功率接收器位于阵列的菲涅耳区，而不是远场区。
Employing phase-conjugation antenna array to beam microwave power from satellite to earth
This paper conducts theoretical study on employing phase-conjugation antenna array to beam microwave power from satellite to earth in the context of space solar power (SSP) applications. Our analysis reveals that, the phase-conjugation array must have aperture dimension greater than 1 km × 1 km in order to be applicable to practical SSP systems. Moreover, antenna array with such a large size does not behave as a conventional phased array, in that the power receiver on earth resides in the array's Fresnel region rather than far-field region.
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