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- It is suggested that DWT instead of FFT should be used in the spectrum analysis of laser scintillation. 这些结果表明， 对于一般大气湍流中的激光闪烁的频谱分析应使用离散小波变换代替快速傅里叶变换
- Through the spectrum analysis, the authors found that the microspherulites are mainly the lithical spherules, that is, the apatite and the siliceous spherules. 通过波谱分析，微球粒主要为石质球，即磷灰石球和硅质球。
- The spectrum and electrochemical adsorption behavior and mechanism of diethyl dithiocarbamate on jamesonite were investigated by spectrum analysis and constantpotential step. 采用光谱分析及恒电位阶跃法,研究了乙硫氮在脆硫锑铅矿表面吸附的光谱电化学行为及作用机理。
- This paper investigated the window effects and the spectrum amplitude errors in hamming windowing spectrum analysis in detail and gave its compensation coefficients. 主要以汉明窗为例，定量分析了窗函数引起的信号幅度谱误差，给出了相对幅度谱补偿系数的理论值。
- The spectrum analysis of the Institute, from establishment in the beginning of 1950’s up to now, have been applied widely in mineral analysis and geological prospecting. 光谱分析工作从50年代初创立至今，在矿物分析、地质找矿等领域得到了广泛的应用。
- One of the spectrum dose conversion operatron is to evaluate the dose of the radiation field directly from integrating the observed pulse height spectrum weighted by a G(E) function instead of making spectrum analysis. 其中一种谱 剂量转换的方法是通过一个G(E)函数 ,把测得的结果直接换算成剂量而不需解谱。
- For the demand of the railway system and the deficiency of the spectrum analysis, IFM is applied to the demodulation of rail-signals to acquire two key parameters-the upper and lower side frequencies. 本文针对频谱分析法的不足以及铁路现场的需要,将实时测频技术用于铁路信号分析中以获得FSK信号的上下边频。
- From the spectrum analysis tone quality of bell is obtained. The sound of chime bell can also be analyzed by the method of linear prediction used in signal processing. The accuracy of pitch frequency obained by this method is high. 用FFT做实际和模型编钟声的短时频谱分析,应用了信号处理中线性预测等方法来分析编钟声,实验表明用线性预测法计算基音频率是有足够高的准确度的。
- The spectrum analysis of adduct,producced via the reaction between the in-termediates and phenyl N-tert-butylnitrone(PBN), showed that a radical reaction anddesulfonation mechanism have been proved. 通过中间产物与苯亚甲基叔丁基氮氧化物（PBN）加合物的波谱分析，证实了该反应为自由基反应并遵从脱磺酸基的反应机理。
- The mechanism of vibration of rotary piston vacuum pump is investigated and the vibration sources of the pump are identified by using the spectrum analysis and waveform analysis techniques. 对滑阀真空泵的振动机理进行研究，用谱分析和波形分析等技术识别泵的振源；对泵进行动力分析，定量计算振动力的大小。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- In the spectrum, distinct colours shade into each other. 在光谱中，截然不同的颜色相互融合起来。
- Such kind of studies might help for calculating the equivalent rupture plane lengths by the spectra analysis method. 这似乎可做为用波谱分析的方法来计算地震的等效破裂面长度的佐证。
- The relationship between the changes of the second structure and the activity of yeast invertase in the six solvents could be explained by the spectra analysis. 通过光谱分析，可解释酵母蔗糖酶在上述有机溶剂中酶分子二级结构构象变化与活力之间的关系。
- With the wide application of spectrum analysis techniques in railway, it is discovered that the spectrums of FSK signal and AM signal are very similar, and very difficult to be distinguished. 并对处理后的坝体进行现场围井抽水试验，得出防渗墙的渗透系数满足防渗效果；
- Provides an FFT class for doing spectrum analysis. 提供了一流的FFT算法做频谱分析。
- The professor took a spectrum analysis in class. 教授在课堂上做了一次光谱分析。
- A device for converting electromagnetic radiation in the infra-red, visible and/or ultra-violet regions of the spectrum into an electric current. 一种把下述光谱范围内的电磁辐射转换成电流的装置：红外线、可见光和／或紫外线。
- The Spectrum Analysis of the Abnormal Shock Electron 时域激电异常波谱分析的初步尝试
