Some oscillatory criteria and discrete spectrum criteria are given, and we can apply them to the ordinary differential equations.
文中得到几个振动性准则和离散谱准则，并将这些结果应用到常微分方程。
A robust correcting method for discrete spectrum in CW radar velocity measuring is proposed in this paper, t is named the method of triangle.
该文提出了一种适用于连续波雷达测速的、稳健的离散频谱校正方法，即三角形法。
As I've said before - and will say again - I believe strongly that the autism spectrum is made up of many discrete groups, whose characteristics vary wildly.
就像我前面说的——以后还会再说——我坚信自闭症谱系由很多离散群组成，其特征形式多样。
Spectrum interpolation method is obtained by use of approximation interpolation, from algorithm comparison of discrete system matrix, and some useful results are obtained.
从离散系统状态转移矩阵的算法比较方面。借助逼近插值给出频谱插值法，结果较为实用。
Application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
应用离散傅里叶变换dft，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
The contrast tests of smooth seals, labyrinth and honeycomb seals have demonstrated the seal gas clearance pulsation spectrum is a discrete one.
蜂窝密封、梳齿密封和光滑密封的对比实验表明，密封间隙气流压力脉动谱图为离散谱。
Discrete fast Fourier transform (FFT) has been widely applied to signal spectral analysis and can figure out the entire bandwidth spectrum of a signal.
离散快速傅里叶变换算法在频谱分析中得到了广泛的应用，这种算法得到的计算结果是在整个频段上的频谱信息。
The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。
The algorithm of discrete system coupling matrix is analyzed comprehensively, and some useful results are obtained by the use of spectrum interpolation method.
较全面分析了藕联离散系统矩阵的计算方法，并利用频谱插值计算法，得出了几个较有意义的应用结果。
It can be taken as a kind of discrete signal and do spectrum analysis by discrete Fourier transform.
在计算生物学中，常采用离散傅立叶变换进行频谱分析。
We introduce a new spectrum transform into the image fusion field and propose a novel fusion method based on discrete fractional random transform (DFRNT).
本文中，我们引入一种新的谱变换换到图像融合中并基于此变换提出了一种新的图像融合算法。
The spectrum of radiated noise from ships consists of a continuous broadband spectrum and a discrete narrow-band line-spectrum.
船舶辐射噪声的功率谱由连续的宽带谱和离散窄带线谱组成。
The discrete variable representation(DVR) scheme is applied to investigate the photoelectron spectrum(PES) of multiphoton ionization for some diatomic molecules in strong fields.
采用离散变量表示（DVR）方案研究了双原子分子在强场下的多光子电离光电子能谱，得到了与实验相同的结果。
Accordingly, statistical characteristic of spectrum availability is induced and spectrum sensing results is formulated as a discrete time Markov chain.
并由此推导出频谱可用性的统计规律，将频谱感知结果建模为离散时间马尔科夫链。
This paper proposes a robust watermarking algorithm for volume data based on three-dimension discrete cosine transform(3D-DCT) and spread-spectrum communication technique.
本文基于三维离散余弦变换（3D-DCT）技术和扩频通信技术提出三维体数据鲁棒水印嵌入算法。
Spread spectrum simply means that data is sent in (small) pieces over a number of the discrete frequencies available for use at any time in the specified range.
简单地来说，扩频就是在一个可以随时使用的特定频率范围内，把数据用小块在大量不连续的频率上同时发送。
Spread spectrum simply means that data is sent in (small) pieces over a number of the discrete frequencies available for use at any time in the specified range.
简单地来说，扩频就是在一个可以随时使用的特定频率范围内，把数据用小块在大量不连续的频率上同时发送。
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