所谓排序，就是在一定的约束条件下分配时间资源去完成一些任务，使一个或多个目标达到最优。
Scheduling is to assign some tasks to time resources under some constraints, such that one- or multi-criteria attain to the optimum.
在一定轴比带宽条件下，优化后的十字振子天线正交方向上圆极化轴比可以达到1。
Under certain axis ratio bandwidth, the circular polarization axis ratio of the optimized cross dipole antenna can reach 1.
实验结果表明，在一定的信噪比条件下能达到较理想的识别效果。
Simulation results show that satisfying recognition effect is got in some condition of SNR.
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