查询词典 spectral

The resulting NSSF representation has several particular properties: it is a kind of clear spectral representation, it emphasizes information in high frequency region, it emphasizes spectral contrast.

这种 NSSF 频谱表示具有清晰，能强调高频域的频率分量及能强调频谱的变化与对比等几个特点。

Using spectral decomposition of a matrix and multi-scale representation of spectral as well as multi-scale transform of a signal, a quasi multi-scale PCA method is proposed to analyze the reason why multi-scale detection method does well than single scale method.

基于矩阵的谱分解、信号的多尺度变换及谱的多尺度表示，提出一种拟多尺度主元分析方法，从机理上分析了多尺度检测方法优于传统单尺度检测方法的内在原因。

When applying Spectral Histogram Representation for texture classification, each image window is represented as a feature vector consisting of histograms of filtered images, and the histograms are concatenated to form the spectral representation for the image.

在纹理分类中采用谱直方图表示，每个图像窗表示一个包含滤波后图像直方图的特征向量，而直方图是图像谱表示的连接桥梁。

Starting from the spectral representation of quasi-particles, when Debye screening mass and finite width of the particle are taken as parameters into the spectral functions, we will get effective propagators of quarks and gluons, and then establish the effective perturbation theory which reflects directly collective effects in QGP, and analyse some thermodynamics problems about soft partons in QGP.

接着，从准粒子的谱表示出发，自洽地将Debye屏蔽质量和粒子的有限宽度作为参量纳入QGP中玻色型和费米型准粒子的谱函数，得到夸克胶子等离子体中胶子和夸克的有效传播子，进而建立了直接反映QGP集体效应的有效微扰论，藉此一般性地分析了夸克胶子等离子体中软粒子的有关热力学问题。

The method includes techniques of spectral time sequence multiplexing and spectral separation.

本发明公开了一种高速复杂流场的全场光学测量方法与测量装置，属于流场测试技术领域。

A first index identifying a first speech parameter template (614) corresponding to a first speech spectral parameter vector (604) of the sequence of speech spectral parameter vectors is transmitted.

发送一个第一索引，该索引标识一个对应于话音频谱参数向量序列中的一个第一话音频谱参数向量（604）的第一话音参数模板（614）。

To ensure spectral compatibility with ongoing services, in G.selt the ITU will need to set spectral bounds for SELT measurements.

为了确保频谱能兼容目前的业务，需要ITU在G.selt中设定SELT测试的频谱边界。

White spectral OCT is set up on partial spectrum analysis,the system chooses required white light source and receiving spectral. It would have more detection depth, higher resolution and improving signal to noise ratio.

建立了基于子光谱分析的白光频域OCT，该系统通过选择所需要的白光光源及其接收频段，这样既可以兼顾最大探测深度和高轴向分辨率，并且提高信噪比。

At last, we provide the upper semi-continuity and compactness of the spectral scalar solution set mapping under some suitable conditions, and the necessary and sufficient conditions to guarantee the lower semi-continuity of the spectral scalar solution set mapping by virtue of the concept of essential solution.

最后，给出了谱标量解集映射满足上半连续且紧的充分条件及下半连续的充分必要条件。

In this paper an analysis of the multi-spectral images space and spectral features is presented, and useful lossless compression techniques such as preprocessing, prediction and transformation are introduced, and also a comparative analysis of these techniques is discussed.

本文分析了多光谱图像的空间和语间相关性等特点，从多光谱图像预处理、预测和变换无损压缩方法等方面介绍了目前主要的多光谱图像无损压缩方法，并对其特点进行了对比分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。