cut-off frequency
截止频率
2025-08-11 06:00 浏览次数 4
截止频率
simulation results show that, when there exists a fissure in the foundation, the first mode curve has a cut-off frequency or assumes an interceptive phenomenon.
根据模拟计算结果发现,当地层中存在裂缝时,其瑞利导波频散曲线的基阶模式会出现截止或截断现象。
we compute the frequency warp factor by the cut-off frequency map of the prototype low-pass filter to the desired low-pass filter.
本文根据双线性变换中低通滤波器截止频率的映射公式,求出对齐不同说话人或人群第三共振峰的频率弯折因子。
it can successfully recover the information out of the cut-off frequency so that we can get more details of an image and enhance image resolution.
它可以成功恢复截止频率以外的信息,增加图象细节,从而提高图象分辨率。
the super-resolution image restoration can reconstruct the information over the cut-off frequency to get more details of image.
超分辨率图像复原的目的在于复原截止频率之外的信息,以使图像获得更多的细节和信息。
the cut-off frequency of improved inverter output filter can be set higher to ensure the bandwidth of control system and improve the waveform quality of inverter output voltage.
改进后逆变器输出滤波器的截止频率可以取较高值,保证足够的控制系统带宽,有效提高逆变器输出电压波形质量。
with the developing of perpendicular recording media, gmr magnetic head and thin film wireless inductor cores, high cut-off frequency is required for the soft magnetic films.
随着垂直磁记录材料、gmr磁头技术和无线数据传输技术的不断发展,迫切需要提高软磁薄膜的使用频率。
the designing principle is that the e-field longitudinal distribution and the local quadrupole cut-off frequency should be kept as constant as possible.
其设计原则是尽可能地保持电场的纵向分布和四极截止频率保持不变。
the physical mechanism about reflection of low-emission glass in near-infrared region is explained by using plasma cut-off frequency theory .
利用等离子体截止波长理论,解释了低辐射玻璃红外反射的物理机制。
to avoid variance of technology and enviorment effects on cut-off frequency this filter used an on-chip tuning circuit based on pll.
为了消除工艺偏差、温度变化、老化对截止频率的影响,滤波器电路使用了片上锁相环调谐电路。
the filter features high cut-off frequency and the fabrication process is compatible with mos process.
该滤波器具有高截止频率、与mos工艺兼容、便于单片集成等优点。
the fundamental equations of elastic mechanics were established through research of the spreading of elastic wave in honeycomb structure. the cut-off frequency was solved from the equations.
通过对弹性波在蜂窝结构中传播的研究,建立了弹性力学基本方程,得出了截止频率;
using the highly-integrated switch-capacitor filter, the sampling rate and the cut-off frequency of the anti-alias filter can be arbitrarily selected within some range.
并采用高集成度的开关电容滤波器,系统的采样频率和反混迭滤波器的截止频率可在一定范围内任意给定。
the thickness of collector is one of the factors that limit cut-off frequency in microwave bipolar transistors.
在微波双极型晶体管中,收集区的厚度是影响其截止频率的一个重要因素。
the characteristics of the test signals were analyzed and weak defect echo signals were successfully extracted by cut-off frequency technique.
分析了检测信号的特征,并采用截止频率法成功地提取了微弱的缺陷回波信号。
it is concluded that the c-type filter is of lower cut-off frequency and bigger capacity.
补偿型滤波器又称c型滤波器,是一种低能耗滤波器,在一定条件下有推广应用的价值。
a new type of anti-alias filter was perfectly designed, the cut-off frequency of which goes lower as the depthincreases.
文中比较完善地设计了一种新型去假频滤波器,它的截止频率可随深度的加深而变小。
at the same time, the effects on the cut-off frequency and propagating angles . after introducing the velocity v0 of the plasma were discussed.
同时讨论了由于引入等离子体运动速度v0以后对截止频率和可传播角度的影响。
the technology can enhance the power and cut-off frequency of the de- vice.
该工艺能够提高器件的功率和截止频率。
the results show that permeability decreases and cut-off frequency increases with the increase of dc bias. permeability varies linearly in the certain range.
研究表明:偏置直流的增加,降低了材料的磁导率,提高了截止频率,并且在一定偏置直流范围内,磁导率呈线性变化。
the method of designing the programmable cut-off frequency low pass filter is also shown. under the control of a computer, its cut-off frequency may vary with the input signal frequency.
介绍了一种程控低通滤波器的实现方法,其截止频率可随输入信号频率的变化由计算机控制。