The sampling theorem shows that aliasing can be avoided if the Nyquist frequency is greater than the bandwidth, or maximum component frequency, of the signal being sampled.
采样定理表明，如果奈奎斯特频率大于样本的带宽或样本成分的最高频率，系统的采样失真可以避免。
However, over time, as XML has grown in frequency of usage and in size and complexity, it has become a more critical component of business operations.
然而，随着时间推移，XML的使用日益频繁，其规模和复杂度也不断增长，它逐渐成为企业运营中的一个关键组成。
The frequency of service requests against the consolidated target is only determined by the ability of the target database and the information service enablement component to handle those requests.
针对整合目标的服务请求的频率仅由目标数据库和信息服务支持组件处理这些请求的能力决定。
As the frequency of the AC component increases, the DC meter response decreases, until at some frequency only the average input voltage will be displayed.
当交流分量的频率增加时，直流仪表的响应就会变得不够快，直到在某一频率时，仪表只能显示出输入电压的平均值。
Examples: information about application runs, including their frequency, record counts, component-by-component analysis, and other statistics for auditing purposes.
示例：关于应用程序运行的信息，包括频率、记录数量、对每个组件的分析以及用于审计的其他统计数据。
The component distribution is more even when drawing extent is smaller and frequency is more rapid at the same casting speed.
拉坯速度相同时，拉幅越小，拉坯频率越快，成分越均匀，合金铜管的成分呈周期性分布。
The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line.
传输线线上脉波电流之频谱与分布及其各频率成份之辐射远近场型之差异。
Frequency synthesizer is the key component in electronic systems.
频率合成器是电子系统的核心部件。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
通过对调制信号作谱分析，以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
The component having the lowest frequency in a complex vibration (fundamental frequency or first harmonic).
复杂振动中频率最低的成分(基频或一次谐波)。
The dispersion can change the phase of frequency spectrum component of the chaotic signal, however, it cannot affect the spectrum shape of the chaotic signal.
色散能够改变混沌信号每个频谱分量相位，但不影响混沌信号频谱形状；
Cropping mechanism is a key component for variant frequency vibration cropping, and its excited frequency directly affects manufacturing quality and production efficiency.
变频振动下料机构是变频振动系统的重要执行部件，其激振频率直接影响制造质量和生产效率。
As for the numerical simulation by traditional power system component models and parameters, the obtained dynamic frequency curves evidently diverge from measured ones.
采用常规的电力系统元件模型和参数进行数值仿真所得的频率变化曲线与实测曲线偏差较大。
Instantaneous frequency measurement (DIFM) receiver is one of important component part of EW system.
瞬时测频接收机是电子战系统的重要组成部分之一。
High quality millimeter wave frequency source is the important component in the development of millimeter wave systems and application.
优质的毫米波频率源是毫米波系统与应用的关键部件，它的性能很大程度上决定了系统的性能。
Using LC tank circuit as the load of modified XOR, the frequency component desired can be extracted out.
改进的异或门中，利用LC谐振回路作为异或门的负载，提取出希望得到的频率分量。
Hydraulic engine mounting is a strong nonlinear vibration isolating component, and its dynamic characteristics varies with the exciting frequency and amplitude.
发动机液压悬置是非线性很强的隔振元件，其动特性因激振频率和激振振幅的改变而改变。
Noise in signal was expressed by the partial mode, and signal frequency component was reflected by other modes.
模态中的一部分表示了信号中的噪声，而剩下的部分模态真实反映了信号的频率成分。
The linear time-invariant filter can' t improve SNR of single frequency component.
线性时不变滤波不能提高单一频率分量信噪比。
The reasonable results of frequency and mode of the component is obtained with these methods.
并运用这些方法对栅控电子枪部件实施计算想的振型与固有频率及相应振型。
You are less likely to do high frequency component damage with that limiter set to 'on'.
你不太可能与设置'为'的限制器高频部件损坏。
Improper initial value will result in errors of low frequency component, relative wave impedance and stratum thickness to cause pitfalls of seismic data interpretation.
初位选择不同会出现反演的多解性；初值选择不当，会导致低频分量、相对波阻抗及岩层厚度的错误，产生地震解释的陷附。
This paper describes a method to extract the low frequency component from rotor startup signal based on empirical mode decomposition, which overcomes the difficulties of traditional filter methods.
针对传统滤波方法处理非平稳信号的不足，提出利用经验模态分解法来处理转子启动信号，通过此方法的自适应滤波特性来提取这类信号中的低频分量。
The LS channel estimation of OFDM systems can be viewed as a noisy observation of the true channel frequency response, so the noise component can be compressed through subspace projecting.
OFDM系统的LS信道估计可看作真实信道频率响应的一个有噪观察值，因此可采用子空间投影方法对噪声进行压缩。
This paper introduces the method of analyzing TEOAEs by short time Fourier transform and gives the experiment results of time frequency distribution, then we analyze each frequency component.
本文介绍了用短时傅立叶变换分析瞬态诱发耳声发射方法，并给出了其时频分布的实验结果，分析了其各个频率成份出现的不同时刻及持续时间。
Since heart sounds are generally of low frequency component and very faint, this method, depending on doctor's knowledge and experience, is subjective and sometimes is unreliable and ineffective.
由于心音的频率较低而且非常微弱，医务人员通过听诊器根据自己的知识和经验对心音做出主观分析判断并不一定可靠。
The lacustrine sedimentary rhythm of high frequency is the important component part of cyclostratigraphy which is the burgeoning branch of geoscience.
高频湖相沉积节律是近年来新兴的分支学科——旋回地层学的重要组成部分。
This algorithm can adaptively optimize the cost function and reduce the suppression of high frequency component of PET image by adaptively updating linear slope of the RP.
该算法通过对正则化线性斜率的自适应，更新动态优化代价函数，以降低对PET图像高频成分的抑制。
Using robust property of matrix norms and DWT for low frequency component, a new lossless watermarking method with low computational complexity via the theory and property and wavelet is proposed.
利用延拓矩阵范数的理论与性质，并结合矩阵范数与图像小波变换低频分量稳健性的特点，提出了一种低复杂度的无损水印方案。
Using robust property of matrix norms and DWT for low frequency component, a new lossless watermarking method with low computational complexity via the theory and property and wavelet is proposed.
利用延拓矩阵范数的理论与性质，并结合矩阵范数与图像小波变换低频分量稳健性的特点，提出了一种低复杂度的无损水印方案。
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