Spectral techniques can be widely used in the monitoring and detection of environmental pollution.
光谱技术可广泛应用于环境污染监测。
By applying switch-signal theory, the theory of transmission current-switches based on spectral techniques is proposed.
本文应用开关信号理论，建立了基于谱技术的传输电流开关理论。
This paper analysed the method of transforming an arbitrary switching function into a threshold function based on spectral techniques, then proposed a new method.
本文讨论了任意逻辑函数化为阈函数的基于谱技术的设计方法，并在此基础上提出了一种新方法。
Spectral pattern recognition techniques are employed to suppress the strong and highly varying background to extract the very weak emission features from the compound spectra.
谱的模式识别技术可用于强变化的背景压缩和提取化合物极为弱小的发射特征。
On the other hand, power control and data rate allocation are two fundamental techniques for improving the spectral efficiency of wireless multimedia communications.
另一方面，功率控制、数据速度分配也是改善无线多媒体通信频谱利用率的两种基本技术。
We compared site response from the S wave inversion and those from other techniques, such as traditional direct spectral ratios of S waves and receiver function of S waves.
利用唐山近场强震记录对如何分析场地反应进行研究，分析比较了多种方法：线性反演法、传统的谱比法以及接收函数法。
This paper presents a new image fusion scheme based on local histogram matching filtering techniques for fusing high resolution panchromatic and multi spectral images.
本文提出了一种基于局部直方图匹配滤波技术的影像融合新方法。
Plant condition assessment using remote sensing techniques have been associated with spectral vegetation indices such as the normalized difference vegetation index (NDVI).
用遥感技术进行植物评估可与光谱植被指数联系起来，如规一化差分植被指数NDVI。
In the hyperspectral image processing, spectral match technique is one of the key techniques to identify and classify the material in the image.
在高光谱图像处理中，光谱匹配技术是高光谱地物识别的关键技术之一。
The author has described several key techniques for improving the capacity of CDMA digital celullar system, comparing to the spectral efficiency of FDMA and TDMA cellular system.
本文对照频分多址和时分多址系统的频谱效率，阐述了码分多址系统提高系统容量的几项关键技术。
Therefore, the orthogonal vector techniques can be applied to the LPEF coefficient matrix space for spectral estimation.
在系数阵空间同样存在正交矢量谱估计方法。
Secondly, spectral modulation techniques are applied into concentration detection because methane has very weak absorption in near-infrared region.
其次，针对甲烷在近红外波段吸收弱的特点，把光谱调制技术用于浓度检测。
The information eavesdropping techniques of spectral phase-coded OCDMA system were investigated.
针对光谱相位编码光码分多址系统（OCDMA）的信息侦听技术进行了研究。
Chemical and physical preparation methods of gold nanoparticles were reviewed. The spectral and microscopic characterization techniques were introduced. References of 102 were cited in this paper.
综述了金纳米粒子的化学和物理制备方法，介绍了金纳米粒子的表征技术，以及金纳米微粒在生化免疫分析中的应用，引用文献102篇。
The four common ultrasonic methods for measuring Q value in the laboratory, rise time, pulse echo, spectral ration and waveform inversion techniques are reviewed.
回顾了实验室中超声波测量Q值的四种常用方法：上升时间法、回声法、频谱振比法和波形反演法。
The spectral analysis techniques have been applied to the gemological study and gemstone identification.
波谱分析技术已被成功地应用于宝石学研究和宝石鉴定领域。
Optical high harmonic generation is extending frequency comb techniques into the extreme ultraviolet, opening a new spectral territory to precision laser spectroscopy.
光纤产生高次谐波频率梳技术扩展到极端的紫外线，打开一个新的精密激光光谱的光谱领土。
Power Allocation(PA) and Space Time Codes(STC) are the key techniques of the Multiple-Input Multiple-Output(MIMO) to increase spectral efficiency and improve performance.
运用功率分配和空时编码技术可以在MIMO系统中提高频谱效率、改善系统性能。
LTE system adopts MIMO and OFDM as its two most important fundamental techniques, so as to respond to the requirements of large capacity and high spectral efficiency.
LTE系统采用多输入多输出(MIMO)和正交频分复用(OFDM)作为两大主要技术以应对系统大容量与高频谱利用率等需求。
Methods the images obtained from the spectral imaging analysis were compared to the results of currently used techniques and methodology.
方法比较相同条寸下使用篡，照相方法与光谱成像方法拍摄多种痕迹物证的效果。
Multispectral imaging techniques providing additional useful spectral information in common pathological samples are used for image acquisition.
论文采用了一种新颖的多光谱成像技术，所采集的图像可以提供更多反映物质特性的光谱信息。
Wavelength selection methods are variable selection techniques that allow calibration models to be constructed with a subset of spectral points instead of with the whole spectrum.
波段选择也属于变量选择，它是用选出来的波段代替全波段建模从而改善模型的性能。
The use of Fourier analysis techniques to measure the wavefront power spectral density (PSD) in mid frequency domain is discussed.
波前功率谱密度 （PSD）被用于评价惯性约束聚变激光驱动器光学元件在中频区域的波前误差。
Based on synthesizing advantages of the pulse echo and spectral ration techniques, a new method, the equivalent acoustic impedance technique is proposed.
在综合了回声法和频谱振幅比法优点的基础上，提出等效声阻抗法。
For high-resolution multi-spectral remote sensing image characteristics, the paper introduces a number of commonly used image processing techniques and proposes the improved wavelet fusion algorithm.
针对高分辨率多光谱遥感影像的特点，介绍了常用的一些图像处理技术，提出了改进的小波融合算法。
METHODS:Isolation and identification were carried out by using various chromatography techniques and spectral methods.
方法：采用了各种层析分离技术，分得单体，经理化常数和光谱解析确定结构。
A review of techniques for detection of spectral lines is given in this paper.
本文对线谱检测技术进行了综述。
A review of techniques for detection of spectral lines is given in this paper.
本文对线谱检测技术进行了综述。
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