The theory and experiment verifies that it is a good pulsating attenuator and has large attenuation amplitude and wide attenuation band 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。
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。
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。
The transmission zeros(TZ) of Quasi-elliptic function filter could be placed in any position, so the attenuation out of band is controllable, then a high selection performance could get.
准椭圆函数滤波器的传输零点，可以位于阻带内的任意位置处，这能更加灵活地对滤波器的带外抑制度进行调节，其矩形系数可以做得很高。
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。
According to the designing demands, such as bandwidth, stop-band attenuation, the optimization software can optimize the diplexers.
此软件能根据一定的技术指标要求(如带宽、带外衰减等)，优化出双工器最佳参数。
The estimated ultraviolet radiation attenuation coefficient and DOC concentration all existed markedly positive relationship; but UV-B wave band was higher than UV-A wave band.
估算得到的紫外辐射衰减系数与DOC浓度均存在显著性正相关，但UV - B波段要高于UV - A波段。
The attenuation factor of longitudinal wave was changing linearly, whereas the attenuation factor of the slow shear wave kept nearly constant with a low frequency on the exploration seismic band.
纵波的衰减系数在地震频带内基本上呈线性变化，而横波的衰减系数在地震频带内除低频外基本保持稳定。
The serial product features include wide frequency band, low VSWR, high attenuation accuracy, small dimensions, high power, excellent capacity in anti-burnout etc.
该系列产品具有频率范围宽、驻波系数低、衰减精度高、体积小、功率大、抗烧毁性能好等特点。
Band stop filter made with this structure has narrow gap and steep attenuation.
利用该结构制作的带阻滤波器，阻带窄、衰减陡峭。
It is shown that the better broad band performance can be obtained using the matched attenuation network formed by depositing ta film resistor, as a microwave absorbent, with grid pattern.
指出利用沉积有网格图形的钽薄膜电阻的匹配衰减网络作微波吸收体，可以获得比较好的宽带性能。
The absorption and scattering of sand and dust particles can cause the attenuation in mm-wave band.
沙尘粒子的吸收和散射效应能引起毫米波信号的衰减。
Two sharp attenuation poles can be located close to either side of the desired pass-band to improve the frequency selectivity.
两个衰减极点分别产生在靠近通带的两边，提高了通带频率的选择性。
The high-order multi-band-pass FIR filter designed with this algorithm is featured by big attenuation in stop-band and small ripple in pass-bands.
用该算法设计的高阶多通带滤波器，其幅频响应的阻带衰减很大，而通带波动很小。
Narrow channel band, severe multipath interferences and severe channel attenuation have demonstrated the great complexities and difficulties of high-speed UWA communications.
信道通带窄、多途干扰强、衰落严重是水声通信高速可靠传输信息的主要障碍。
Rainfall has become one of the key factors which influence the transmission quality, because it has great attenuation to the electronic wave transmission of Ka band satellite communication system.
由于降雨对Ka波段卫星通信系统的电波传播的衰减较大，成为影响其传输质量的重要因素之一。
Rainfall has become one of the key factors which influence the transmission quality, because it has great attenuation to the electronic wave transmission of Ka band satellite communication system.
由于降雨对Ka波段卫星通信系统的电波传播的衰减较大，成为影响其传输质量的重要因素之一。
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