为可合调的圈感应性可能是很高至于极限有用的频率范围和这里叠绕技术可能帮助。
For tuneable loops the inductance can be so high as to limit the useful frequency range and here mobius winding techniques can help out.
另外，对叠层橡胶支座的阻尼比随剪应变、压应力及荷载频率的变化情况进行了分析。
Moreover, this paper analyses the shear strain and compressive stress and loading frequency dependence of the damping ratio.
从信号中去除高频信息，降低抽样频率而不导致频谱混叠的过程称之为抽取。
Filtering the high frequency part of the signal and reducing the sampling frequency, which does not produce the aliasing, is called sampling.
在基于小波包的遥感图像融合应用中，引入用于调整小波包分解频率顺序的小波包移频算法来解决由于间隔采样而导致的频带混叠现象。
A wavelet packet frequency-shift algorithm for remote sensing image fusion was introduced to solve the problem of serious frequency aliasing caused by dyadic-down sampling.
利用地震能量分位数频率、倾角方差和瞬时倾角等叠后地震属性可对裂缝发育带进行定性预测。
Post stack seismic attributes such as seismic energy fractile frenquecy, dipping angle variance, instantaneous dipping angleetc. can be used to predict fracture developing band.
利用阻抗、速度、泊松比等弹性参数和叠前振幅、频率属性可对裂缝密度和方位进行定量预测。
Elastic parameter such as impedance, velocity, Poisson ratio etc. and pre-stack amplitude, frequency attributes can be used to quantitatively predict the fracture density and direction.
并提出在进行压力脉动试验时，应增加测点、延长采样时间、提高采样频率以避免信号遗漏和信号混叠等现象的发生。
Author suggests that increasing number of measurement taps and prolonging sampling time and enhancing sampling frequency will decrease signals aliasing and leakiness.
在这期间，目标本身的多普勒频率又是变化的，当多普勒频率变化率较大时，容易产生频普的混叠。
During this while, the Doppler frequencies of the targets are changing and the spectrum of these targets are easy to arise a aliasing error when the rate of Doppler frequencies is large.
根据应力变分和伽辽金变分原理，导出混合变分方程，并将其转换成状态方程，使状态空间理论和变分解相结合，给出任意厚度叠层板自振频率的变分解。
Thus, the theory of state space is combined with variational solution, and the variational results for free vibration frequency of the laminates with arbitrary thickness are calculated.
研究表明，高采样频率和高阶反混叠滤波器有助于提高系统信噪比；
Higher sampling frequencies and higher order anti-aliasing filters help suppress noise.
本发明认识到，混叠问题往往更多地出现在更接近奈奎斯特极限（采样率的一半）的频率处。
The invention recognises that alias problems tend to occur more at frequencies nearer to the Nyquist limit (half of the sampling rate).
此外，故障电压行波于非对称短路点发生线模与零模行波相互交叉透射，致使故障电压自然频率“混叠”。
In addition, line mode and zero-mode voltage wave cross each other at the point of fault which causes the natural frequency "aliasing".
该方法从理论上可能的最小采样频率出发，根据采样后频谱不发生混叠的3种约束条件来确定可变的频率步长，搜索可用的最小频率。
The method starts with the theoretically minimum frequency and searches for the minimum valid sampling frequency using variable step sizes subject to three non-aliasing constraints.
该方法从理论上可能的最小采样频率出发，根据采样后频谱不发生混叠的3种约束条件来确定可变的频率步长，搜索可用的最小频率。
The method starts with the theoretically minimum frequency and searches for the minimum valid sampling frequency using variable step sizes subject to three non-aliasing constraints.
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