The theory and experiment verifies that it is a good pulsating attenuator and has large attenuation amplitude and wide attenuationband to pressure pulsation of oil source.
理论及试验证实它对油源压力脉动衰减幅度大，衰减频带宽，是一种性能良好的脉动衰减器。
2
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。
3
Simulation showed that the novel optimal quantization method has obvious advantages over the conventional quantization method in the sense of out-of-bandattenuation.