• The occurrence of discrete spectral lines can be decided by means of real spectral characteristic of complete symmetrical window.

    利用完全对称特性可以判定分立线存在

    dict.cnki.net

  • Spectral characteristic is one of the basic characteristics of ground objects, and is the basis of qualitative and quantitative remote sensing.

    波谱特性地物目标基本特性之一定性定量遥感基础

    dict.cnki.net

  • This paper introduces optical characteristics and spectral characteristic of optical fiber Bragg grating, introduces the experiments of grating fabrication with phase masks.

    本文介绍了光纤布拉格光栅光学特性光谱特性介绍相位掩膜法制作光纤光栅相关实验

    dict.cnki.net

  • Dpysical essence and spectral characteristic of densitometry with method of spectral analysis, principle and mathematical formula of the computer colour matching density are discussed.

    采用光谱分析方法阐述了密度测量物理实质光谱特征

    dict.cnki.net

  • 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.

    直升机信号特征进行分析之后,提出了一种基于谐波恢复ESPRIT方法提取直升机信号谐波频率作为特征用以识别直升机目标。

    dict.cnki.net

  • 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.

    本文傅里叶级数方法分析合成波形频谱特性由于相位截断引起杂散作了讨论

    dict.cnki.net

  • ChinaAbstract:ObjectiveTo investigate the spectral characteristic and the difference of constituents of different parts of Abrus cantoniensis.

    目的研究鸡骨红外光谱特征及其不同部位化学成分差异

    www.hi138.com

  • The spectral characteristic of the materials can indicate its component, structure and morphology.

    材料光谱特性能够直接反映材料组成结构形态特征

    dict.cnki.net

  • 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空间反射特性光谱特性

    dict.cnki.net

  • Spectral characteristic is one of the basic characteristics of surface objects, and is the basis of qualitative and quantitative remote sensing.

    波谱特性地物目标基本特性之一定性定量遥感基础

    dict.cnki.net

  • From the measurements of spectral characteristic parameters of U HOD lamp the optimal working conditions for spectral measurements are obtained.

    通过一系列空心阴极放电灯光谱特性参数测量,分析了作为光谱测量用的铀空心阴极电灯最佳工作参数

    dict.cnki.net

  • It can be used not only to simulate real time radar clutter achieved by experiments, but also to generate non Gaussian random data sequence based on given power spectral characteristic model.

    仿真系统不仅可以实时动态模拟实际采集雷达杂波而且给定功率模型产生满足高斯分布随机数据序列

    dict.cnki.net

  • 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.

    根据声源频谱特性在其前后配置合理管道式消声器、金属外壳式消声器结构式消声器作为消声降噪措施。

    www.chinazisen.com

  • The spectral radiant characteristic curves and datasheet of several battlefield targets are given the anti interferential characteristics of a missile is analyzed.

    给出几种战场目标光谱辐射特性曲线测试数据表型导弹抗干扰特性进行分析

    dict.cnki.net

  • Spectral reflectance characteristic of vegetation was introduced. The advantage and disadvantage of several vegetation indexes in common use were summarized.

    介绍了植被光谱特征概述几种常见植被指数及其优缺点

    www.magsci.org

  • 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.

    分析随机信号开关函数功率密度特性影响,据此提出随机脉宽调制技术实用化设计方法

    www.epae.cn

  • The article describes characteristic spectral curves of primary sunscreens after testing its base on the protecting from solar ultraviolet(UV) radiation theory.

    本文根据防晒化妆品防晒原理,对几种特殊防晒剂进行了光谱测试,得到有效光谱曲线

    www.chemyq.com

  • 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成分指纹鉴定理论科学意义特色及其可行性

    www.dictall.com

  • In this paper, many common gaseous products in industry were studied by FT-IR spectroscopy and their characteristic spectral bands in the IR absorption regions of the spectra were identified.

    本文FTIR研究工业废气中主要物质红外吸收光谱特性,确定光谱分析时废气组分特征红外频率。

    www.chemyq.com

  • You can easily learn to correlate characteristic spectral features with molecular structure.

    可以轻易地分子结构它独特的特征联系起来

    www.myoops.org

  • 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由于它全局性使得光谱特征局部特征没有被更好保留下来;

    www.boshuo.net

  • Many chemical agent explosives show characteristic spectral features in the terahertz.

    大多数生物战剂爆炸物波段特征吸收。

    www.caesv.cn

  • Based on the analysis of geometric attributes and characteristic of spectral angle mapping, a novel similarity measure is presented in this paper.

    分析传统光谱制图方法几何属性相似性度量特点基础提出种新的光谱相似性度量方法

    dict.cnki.net

  • The fluorescence lifetime is a kind of spectral parameter which is characteristic to the photochemical and photophysical properties of molecules.

    荧光寿命特征分子光化学和光物理性质光谱参数

    dict.cnki.net

  • A method of characteristic LIF spectral signatures separation based on radial basis function networks;

    本文提出基于模糊模型同径向函数网络结合复杂系统建模方法

    www.dictall.com

  • A new, indirect method to estimate the error characteristic of the spectral distribution of color video camera is proposed in this paper.

    本文提出利用间接推定摄像机光谱特性误差特性方法。

    dict.cnki.net

  • Infrared spectral analysis indicated the disappearance of characteristic function groups of chlorogenic acid.

    微胶囊红外光谱分析发现绿特征官能团振动消失

    124.205.222.100

  • Infrared spectral analysis indicated the disappearance of characteristic function groups of chlorogenic acid.

    微胶囊红外光谱分析发现绿特征官能团振动消失

    124.205.222.100

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