根据这一结论，光束在某些满足一定条件的充满增益或损耗介质的高斯反射镜腔的传输，可以视作连续的复数阶傅立叶变换过程。
The beam propagation between two Gaussian reflectivity mirrors filled with gain medium can be regarded as a complex-order Fourier transform process.
选用方向性好、增益高、旁瓣低的角形反射器天线作为本论文的研究重点。
The emphasis in this paper was corner reflector antenna with high-gain, narrow beam and low side-lobe.
结果表明，在保持增益不变的情况下合理选择主反射面的焦距是能够达到降低雷达散射截面的需要的。
The conclusion shows that reasonable selections of the focal distances of the main reflector may be able to obtain low RCS, keeping the high-gain under the antenna unchanged.
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