METHODS The PF content was detected by HPLC and FTIR spectra was analyzed with Fourier transform infrared spectrometer.
方法用HPLC测定芍药苷含量，傅里叶变换红外光谱仪分析FTIR光谱。
The multiholed polypropylene film modified by collagen is analyzed with Fourier Transform Infared Photoacoustic Specteoscopy (FTIR PAS) and Scanning electron Microscope (SEM).
用傅里叶变换红外光声光谱(FTIRPAS)和扫描电子显微镜(SEM)对表面涂覆胶原的聚丙烯微孔膜进行了分析。
The structure of objective product was confirmed by characterization with Fourier transform infrared spectrum (FTIR), nuclear magnetic resonance (1H NMR) and mass spectrometer (MS).
并通过傅里叶变换红外光谱（FTIR）、核磁共振谱图（1HNMR）以及质谱（MS）对产物进行了表征，确定了目标产物的结构。
Objective To study postmortem degradation in rats skeletal muscle with fourier transform infrared spectroscopy (FTIR) and explore a new method to estimate postmortem interval (PMI).
目的应用傅立叶变换红外光谱（FTIR）分析大鼠死后骨骼肌随死亡时间推移的化学降解过程，为死亡时间推断提供新的研究方法。
What follows is a case study of an actual application - a discrete Fourier transform (DFT) - showing the performance improvements that result when compiling with various compiler options.
接下来的部分是一个实际程序的范例—一个离散的Fourier转变(DFT)—显示了在汇编不同汇编器选项时的改善结果。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。
The critical part of this sight is a holographic optical elements combined with a lensless Fourier transform hologram and a holographic beam transformer.
瞄准具的核心部件是由一块无透镜傅里叶变换位相全息图和一块全息光束变换器组成的全息光学元件。
The success of the synthesis of the PEG TEFE silane was confirmed with (1)H NMR and Fourier transform infrared spectroscopy (FTIR).
TEFE硅烷的成功组装已经在（1）HNMR和傅里叶变换红外光谱（FTIR）分析中得到证实。
In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。
Combined with stoichiometric method, the diene value in cracking gasoline was determined by Fourier Transform Infrared Spectroscopy at selected wavenumber region.
用傅里叶红外光谱仪，在选定的波数范围内，采用化学计量学法测量乙烯裂解汽油的二烯值。
The discrete Fourier Transform of the variables is computed with the FFT of fixed points.
求变数的离散富氏变换用固定点数的FFT，节省了计算时间。
A new method that USES the tight support window signal together with the fractional Fourier transform (FRFT) is discussed.
主要讨论了一种将加紧支撑窗与分数阶傅里叶变换相结合的信号处理方法。
In chapter two, a new method which combines Fourier transform smoothing with ratio spectra derivative has been developed for analysis of binary or ternary mixtures.
在第二章中，针对两组分和三组分混合体系分析问题提出了傅立叶变换平滑比光谱导数的新方法。
With the help of rapid scanning Fourier transform infrared FT-IR spectroscopy, 11 IR-active gas products were resolved during the flash pyrolysis process.
用快速扫描傅立叶变换红外光谱，解析了分解过程中逸出的11种红外活性气体，给出了主要气相产物浓度随时间的变化曲线。
In that case, Fourier transform system with long focal length and high power lens and method of linear decision are proposed.
以肺癌细胞筛选为例，提出用长焦距、高倍率的傅里叶变换系统和线性判别处理。
The reaction of OH radical with co was investigated by time-resolved Fourier transform infrared (TR-FTIR) spectroscopy.
用时间分辨-傅立叶变换红外发射光谱法研究了OH自由基与CO的反应。
We present an all-reflective Fourier transform imaging spectrometer (FTIS) with high resolution based on the principle of wavefront-splitting interference.
提出了一种基于分波前干涉结构的全反射式高分辨率傅里叶变换成像光谱仪。
This paper mainly expound the encoding and decoding principle of Q - ary LDPC codes, and introduce a Fourier transform decoding method with low complexity.
本文主要阐述了多进制ldpc码的编译码原理，并介绍了一种可简化译码的傅立叶变换译码算法。
The freshwater and seawater pearl samples with different colours are investigated by using Fourier transform infrared (FTIR) spectrometer and graphite furnace atomic absorption spectrometer (GFAAS).
采用傅里叶变换红外吸收光谱仪和石墨炉原子吸收光谱仪对不同颜色的淡水、海水珍珠样品进行了对比研究。
Due to wavelet transforms efficiently overcoming the limitations of Fourier transform in dealing with unstable and complicated signal, they are popular in image compression and signal processing.
由于小波变换有效地克服了傅氏变换在处理非平稳的复杂信号时所存在的局限性，因而在图像与信号处理领域受到了广泛的重视。
Measuring and analyzing technology based on variable-time-interval Fourier transform was dealt with for vehicle accelerating noise signal.
提出了基于变时基短时傅里叶变换来分析和处理时变信号的技术。
By use of the angular-spectrum analysis and the Fourier transform method, a correction method is obtained to describe the propagation of few-cycle pulsed beam with constant beam waist.
利用角谱分析和傅里叶变换的方法，得到一种描述几个周期的等束腰宽度脉冲光束传输的脉冲修正方法。
It is difficult to confirm the position and distribution of singularities in space generally when the test data with noise disturbance is filtered by Fourier transform.
用傅里叶变换对含有噪声干扰的试验数据进行滤波，通常难以确定奇异点在空间的位置及分布情况。
The identification of plant samples using Fourier transform infrared spectrometer with OMNI collector is simple, convenient, fast and accurate.
应用OMNI采样器傅里叶变换红外光谱直接测定法鉴别植物样品具有简便、快速和准确的优点。
Aiming at the acquisition problem of direct sequence spread-spectrum (DSSS) signals with large Doppler offset, a new method based on fast Fourier transform (FFT) is proposed.
针对具有大多普勒偏移的直接序列扩频信号捕获问题，提出一种基于快速傅里叶变换(FFT)的多普勒和伪码分别并行搜索的捕获新方法。
Results of analysing Doppler signals simulated using this method with the short time Fourier transform show agreement with the theoretical prediction.
利用短时傅里叶变换分析以这种方法合成的模拟多普勒信号，实验的结果和理论基本吻合。
Sampling segmented K-space data makes a truncation of MR signal which is with continuous frequencies, leads to the truncation artifact in the reconstruction images after Fourier transform.
由于采集部分K空间数据成像是对连续频率MR信号的截断，导致经过傅立叶变换后的重建图像中出现截断伪影。
The hydrophobic modification of gel with hydrophobic monomers was proved by Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA).
通过傅立叶变换的红外光谱（FTIR）、热重分析仪（TGA）证实疏水单体对凝胶进行了疏水改性。
As a result, with phase unwrapping technique based on Fourier transform, any cross section projection could conveniently be worked out from the Moiré deflectogram of rocket exhausted plumes.
结果发现，根据火箭喷焰的莫尔条纹，采用傅里叶变换相位展开技术，可以方便地提取任意截面的投影信息。
As a result, with phase unwrapping technique based on Fourier transform, any cross section projection could conveniently be worked out from the Moiré deflectogram of rocket exhausted plumes.
结果发现，根据火箭喷焰的莫尔条纹，采用傅里叶变换相位展开技术，可以方便地提取任意截面的投影信息。
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