cut-off frequency

The first is the cut-off frequency , usually with the coaxial cable.

首先是 截止频率, 通常与同轴电缆有关.

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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。

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Conclusion The cut-off frequency of filter can be adjusted easily by the design.

结论本设计能方便地控制滤波器的截止频率。

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The cut-off frequency of this filter can be controlled by dc biasing current, meanwhile, the low sensitivity characteristics of passive electrical network is also reserved.

截止频率可通过电流进行控制，同时保持了无源网络低灵敏度的特点。

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We also summarize the filter parameter using small wave and interpolating cut method to differentiate frequency.

同时总结出了小波滤波和插值切割作为分频方法的滤波参数设计方案.

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The application of regression analysis to the design of filter cut-off frequency

回归分析法在滤波器截频设计中的应用

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A second order high-pass and band-pass log-domain filter is designed based on the differentiator, its cut-off frequency and quality factor can be tuned through the bias current, and is easy to cascade to realize high order filter.

利用该微分器完成了二阶带通高通对数域滤波器的设计，所设计的滤波器其截止频率和品质因数可以通过偏置电流加以调节；易于级联实现高阶滤波器。

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Continuous attributes discretization algorithm based on cut's discriminability in rough set Frequency-supervised-breakpoint based discretization algorithm

基于断点辨别力的粗糙集离散化算法连续属性的频数监督断点离散化技术

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then, a low-pass filter is designed in the dct transform domain. high frequency noise is eliminated through the dynamical cut-off frequency of filter.

然后在DCT变换域内设计一个低通滤波器，通过动态设计滤波器的截止频率消除高频噪声。

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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。

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Discussion on cut-off frequency of electromagnetic wave in mine roadway

矿井隧道中电磁波截止频率的探讨

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method using the cut-off frequency of the filter detection signal processing, analysis of different degree of injury and the relationship between ultrasonic guided wave signal.

采用截止频率法对检测信号进行了滤波处理，分析了不同损伤程度与超声导波信号的关系。

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It is found that the number of the modes and the cut-off frequency and the ratio of the peak of| Ex| to| Ey| of a same mode change with applied electrical field.

与外加电场前的情况进行比较，发现传输模式的数量及同一模式的截止频率和Ex和Ey峰值的比值都随外加电场发生变化。

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For double-walled CNTs, it is found that the vander Waals ( vdW) force between two tubes has significant effects on the cut-off frequency, while scale parameters do not.

对于双壁碳纳米管，管层间的范德华力对截断频率具有显著的影响，而小尺度因子并不影响碳纳米管的截断频率。

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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。

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By peak value sampling the information of baseband signal can be obtained from an AM signal directly. By frequency conversion sampling the carrier wave's frequency of a PSK signal can be cut down.

对AM信号进行峰值采样可以直接获得基带信号的信息，对PSK信号进行变频采样可以降低其载波频率。

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An Improved Formula for Calculating Radiation Efficiency of Plate Around the Cut-off Frequency

平板截止频率附近辐射效率修正算法

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The first is the cut-off frequency, usually with the coaxial cable.

首先是截止频率，通常与同轴电缆有关。

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The high frequency tuner is uses the voltage realization wave band cut and the channel harmonious.

高频调谐器是利用电压实现波段切换和频道调谐的.

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Aim The cut-off frequency of programmable filter is controlled by the digital input of D/ A converter though programming.

目的通过编程改变D/A转换器的数字输入量来控制滤波器的截止频率。

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By using the basic principle of the frequency response method, testing system of transformer winding distortion can inspect the degree and the position of distortion exactly after short circuit of transformer without power dump so as to decrease the time of power cut and reduce the overhaul fee.

电力变压器绕组变形测试系统利用了频响法的基本原理，在电力变压器发生短路事故后，能够比较准确的检测出绕组发生变形程度和变形位置。

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Finally, the PSPICE simulation shows the tunable characteristic of cut-off frequency.

最后利用PSPICE工具进行仿真，实验结果表明具有截止频率可调的特性。

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The high cut-off frequency is gradually lowered from triangle profile, cosine profile to swallow-tailed profile.

变化到余弦形直到燕尾形，高截止频率依次降低。

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Study on Effect of Filter Cut-off Frequency on Rough Point Contact Mechanism

滤波截止频率对粗糙点接触机理影响研究

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The device is superior to the conventional LDMOS in the performance indexes of drive current, breakdown voltage, transconductance, gain, cut-off frequency and its process with a few additional complexities still keeps compatible with standard CMOS process flow.

该器件的驱动电流，击穿电压，跨导、增益和截止频率等性能指标明显优于传统LDMOS结构，而且工艺上仍可以与标准CMOS工艺兼容，工艺复杂度增加不大，阈值电压的设计也更加容易。

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