1) low cut-off frequency
低频截止频率
1.
By means of theoretical analysis and numerical calculation of experimental data,it has been shown that the error in displacement calculation by integration in frequency domain comes from the low cut-off frequency.
通过理论分析和实验实测数据计算,认为动位移的频域积分法误差来源是低频截止频率的选取,特别当低频频率接近零时,传统二阶频域积分可产生较大的动位移低频振荡和峰值误差。
2) Cut-off frequency
截止频率
1.
Study on cut-off frequency of abnormity wave-guide;
异型波导截止频率的研究
2.
Effect of Co ions substitute on the cut-off frequency of NiZn ferrites;
Co~(2+)取代对NiZn铁氧体材料截止频率f_r的影响
3.
Optimization design of excitation sources and samples position in computing cut-off frequency of waveguides by 2D-FDTD method;
2D-FDTD法计算波导截止频率的激励源设计与取样
3) cut off frequency
截止频率
1.
The results show that one part of residual wavefront phase error changes with cut off frequency proportionally and another part inversely, so it becomes possible to find an optimal frequency which makes the systematic residual wavefront error minimal.
分别导出了时间响应误差和波面探测误差与截止频率之间的数学表达式， 表明剩余波差随截止频率的变化规律既有反方向部分， 又有正方向部分， 从而可以找到一个最优频率， 使得系统剩余波差最小。
4) cutoff frequency
截止频率
1.
Mechanism of cutoff frequency of resonator tube in thermoacoustic engine;
热声热机谐振管截止频率选择机理
2.
Study on the influence to the cutoff frequency of semicircle-tunnel from the train;
列车对半圆拱形隧道中电磁波截止频率的影响
3.
Effects of the metallic pit prop on the electromagnetic wave cutoff frequency in the rectangular tunnel;
矩形隧道中的金属支护立柱对电磁波截止频率的影响
5) Low-frequency cutoff
低频截止点
6) high cutoff frequency
高截止频率
补充资料：低频
1.指应用于某一技术领域中的最低频率范围。例如，无线电波段中，将30～300千赫范围内的频率称低频;电子放大电路中，将接近音频(20赫兹～2万赫兹)的频率称为低频。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条