在估计仰角时,使用的是竖直方向的两根天线的RDmap值计算FFT。这个思路是对的么?但是只使用两个值来计算FFT最后的结果准确性是不是很低?其次,在竖直方向上的天线对有4对,分别对每对数据作FFT求取仰角得到的结果求平均值有意义么?还是只挑选一对数据进行估计就足够了?
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