The attenuation weak spot is the black strip in the lower left corner of the band.
天线的衰减弱点就是钢圈左下角的黑色覆盖物。
Based on the all attenuation, we can find the short range radar worked in this band is affected by action distance and interfere.
根据分析所得到的各种衰减量，可以推导出工作于此波段的近程雷达受作用距离的影响及抗干扰性能。
Simulation showed that the novel optimal quantization method has obvious advantages over the conventional quantization method in the sense of out-of-band attenuation.
通过仿真，验证了在相同的量化位数下，相对于传统的系数量化方法，增加了整个滤波器组的阻带衰减。
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