The spectral characteristic of the materials can indicate its component, structure and morphology.
材料的光谱特性能够直接反映材料的组成、结构和形态特征。
Spectral characteristic is one of the basic characteristics of ground objects, and is the basis of qualitative and quantitative remote sensing.
波谱特性是地物目标的基本特性之一，是定性、定量遥感的基础。
Spectral characteristic is one of the basic characteristics of surface objects, and is the basis of qualitative and quantitative remote sensing.
波谱特性是地物目标的基本特性之一，是定性、定量遥感的基础。
This paper analyzes the spectral characteristic of the synthesized waveform by use of the Fourier Series, and discusses the spurious spectrum of the phase truncation errors.
本文用傅里叶级数的方法分析了合成波形的频谱特性，并对由于相位截断引起的杂散谱作了讨论。
Based on analysis of spectral characteristic of helicopter acoustic signal, a method of extracting harmonic frequencies from the helicopter acoustic signal via ESPRIT is proposed.
在对直升机声信号特征进行分析之后，提出了一种基于谐波恢复的ESPRIT方法来提取直升机声信号谐波频率作为特征用以识别直升机声目标。
The spatial reflected characteristic and spectral characteristic from optical material surfaces were effectively described by the BRDF (Bi-directional Reflectance Distribution Function).
双向反射分布函数(BRDF)有效地描述了材料表面的空间反射特性和光谱特性。
According to the spectral characteristic of the noise source, the tube-type muffler, metal-enclosure muffler, structural-type muffler can be equipped before and after the noise reduction devices.
根据声源的频谱特性在其前后配置合理的管道式消声器、金属外壳式消声器、结构式消声器作为消声降噪的措施。
In this thesis, Spectral method is used to analyse the scattering characteristic of Frequency Selective Surfaces (FSS).
本文用谱域方法研究了频率选择表面(FSS)的散射特性。
A new, indirect method to estimate the error characteristic of the spectral distribution of color video camera is proposed in this paper.
本文提出一种利用间接法来推定摄像机光谱特性的误差特性新方法。
The spectral photometric characteristic of the object is the main factor affecting its color appearance.
物体的光谱光度特性是其产生不同颜色外貌的主要因素。
The spectral radiant characteristic curves and datasheet of several battlefield targets are given the anti interferential characteristics of a missile is analyzed.
给出几种战场目标的光谱辐射特性曲线测试数据表，对某型导弹抗干扰特性进行分析。
The experiment results show that the new technique outperforms the conventional spectral subtraction methods in spectrogram characteristic, output signal-to-noise ratio (SNR) and aural performance.
实验结果表明，新算法比传统谱相减算法有更优的语谱特性、更高的输出信噪比和更好的听觉性能。
Present methods using spectral reflected imaging for detection of lint trash suffer from some fundamental limitation because the trash almost has the same reflected characteristic as the lint.
由于皮棉中白色或无色的杂质与皮棉反射特性相似，现有的光谱反射成像检测方法具有一定的局限性。
The logic function classification with spectral coefficients is discussed and the definition of characteristic threshold logic function is given.
讨论了逻辑函数的谱系数分类，给出了特征阈值逻辑函数的定义。
In allusion to the characteristic that Geocentric motion is piled up by several periodic motions, the spectral analysis by wavelet and ar were discussed in turn in this paper.
针对地球质心运动主要是由多种周期运动叠加的特点，依次讨论了谱分析方法中的AR模型谱分析和小波谱分析方法。
Based on the analysis of geometric attributes and characteristic of spectral Angle mapping, a novel similarity measure is presented in this paper.
在分析传统光谱角制图方法的几何属性和相似性度量特点的基础上，提出一种新的光谱相似性度量方法。
The characteristic of SC noise manifests the dynamic responses of typical SC spectral structures to the seed pulse amplitude noise that are closely related to the evolution.
超连续谱的噪声特性与光谱演化状态密切相关，是光谱特征结构对抽运脉冲强度噪声响应的动态表征。
This paper deals with stochastic characteristic of the wind speed, and gives an auto-regressive moving-average (ARMA) model for wind speed subjected to particular power spectral density.
该文针对风速随机变化的特性，在风速统计特性研究的基础上，用自回归滑动平均(ARMA)方法建立了具有一定功率谱密度特性的风速模型。
The Raman micro-spectroscopy used in this study detects sub-cellular components using the spectral fingerprints of molecules based on their characteristic vibrations.
拉曼显微光谱根据基于分子振动特征的光谱指纹来检测亚细胞成分。
Spectral reflectance characteristic of vegetation was introduced. The advantage and disadvantage of several vegetation indexes in common use were summarized.
介绍了植被的光谱特征，概述了几种常见的植被指数及其优缺点。
This paper proposes the introduction of mixed spectral differences of pixel as a new measurement which also has whole characteristic.
文中提出引入像素光谱角度作为混合差异性测量，同时具有全局特性。
The influence of random signals on the power spectral density characteristic of switching function is studied and a practical design of randomized PWM is proposed.
分析了随机信号对开关函数功率谱密度特性的影响，据此提出随机脉宽调制技术的实用化设计方法。
Then human auditory masking is studied where its characteristic is combined with the multi-band spectral subtraction method.
其次，本文研究了人耳听觉掩蔽特性，并将听觉掩蔽效应应用于多频带谱减的语音增强方法中。
The experimental results show that it is correct and feasible, and can extract characteristic information of the rotating speed spectral map effectively.
试验结果表明，变窗移傅里叶变换算法正确可行，可有效提取旋转机械振动信号转速谱阵的特征信息。
The pattern recognition technology of the mineral oil has been researched. It aims to extract the data which can reflect the intrinsic characteristic of the mineral oil from the spectral data.
研究矿物油种类模式识别技术，从三维光谱数据中提取、选择能够反映油种本征特征的光谱数据。
The frequency spectral analyses show that the second ignition method could weaken and restrain the high frequency vibration, improve the characteristic of vibration in high loading density charge.
压力波的频谱分析表明在高装填密度装药中，采用第二种点传火方案能削弱和抑制压力波的高频振荡成分，改善其振动特性。
Objective: To describe the theory, scientific significance, distinguishing features and authentication feasibility of TCHMs by spectral fingerprints of characteristic general constituents.
目的：论述中药材特征性总成分指纹鉴定的理论、科学意义、特色及其可行性。
PCA is sufficient for reducing data volume, however it fails to preserve the spectral and local characteristic of the original data.
主成分变换可以很好的压缩信息，但由于它的全局性，使得光谱特征和局部特征没有被更好的保留下来；
There is explicit characteristic of correspondence reflecting the droplet transfer among the electric, spectral and image information based on time information fusion.
对多聚焦图像和多光谱彩色图像分别采用计算图像信息熵和均方根误差、计算图像平均梯度的方法对融合的性能进行评价。
There is explicit characteristic of correspondence reflecting the droplet transfer among the electric, spectral and image information based on time information fusion.
对多聚焦图像和多光谱彩色图像分别采用计算图像信息熵和均方根误差、计算图像平均梯度的方法对融合的性能进行评价。
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