频谱分析是一种将复杂信号分解为较简单信号的技术。许多物理信号均可以表示为许多不同频率简单信号的和。找出一个信号在不同频率下的信息（如振幅、功率、强度或相位等）的做法即为频谱分析。
IT编程行业英语第114页 ... FrequencyDivisionMultiplexing频分多路复用 frequencydivision分频 frequencydivision频率划分 ...
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Using this method can be based on signal spectral analysis method of fault diagnosis into a planar graph recognition.
利用该方法可以将基于信号频谱分析的故障诊断方法转化为平面图形的识别。
参考来源 - 感应电动机内部故障分析及检测方法研究The frequency analysis module including FFT, wavelet, and wavelet package analysis functions.
其中频谱分析模块包括了FFT分析、小波分析和小波包分析等。
参考来源 - 感应电动机转子故障诊断方法的研究In order to achieve the function that the corresponding filter branch switchs on when harmonic exists,frequency spectrum analysis is adopted in this paper.
为了使存在某次谐波时,其相应的滤波支路就投入运行,采用了频谱分析来进行控制。
参考来源 - 新型的动态电力滤波器设计The result of my paper shows that the high-speed digital signal processing system can finish the spectrum analyzing within 1ms, which can well satisfy the demand of the monitoring system and prove the application value of the design.
实验结果表明,论文工作研制的高速数字信号处理单元对每场频谱分析的处理时间小于1ms,满足网络监控系统的要求,证明了设计的正确性和使用价值。
参考来源 - 基于FPGA+DSP的HFC网络监测系统研究Through vibration frequency spectrum analysis of no-tillage seeder in field, its vibration characteristics were obtained.
通过对播种机的田间振动频谱分析，得到了它的的振动特征。
参考来源 - 基于虚拟仪器的农机测试系统的研究及其应用When we are on top of the language of dynamic C . the real-time analysis of frequency can be realized finally .
通过对动态C语言的熟练掌握，最终实现实时频谱分析。
参考来源 - 基于高速数字示波器平台频谱分析的软件研究Four basic shapes are used to describe the particle shape distribution in this paper, and the spectral analysis can give this shape distribution. The novel CMOS (Complementary Metal Oxide Semiconductor) is used as the detector of the instrument.
并进一步提出通过四种基本形的光散射谱去表征颗粒的形状分布,这种表征方法可采用频谱分析来分析颗粒的形状分布。
参考来源 - 光散射法颗粒大小与形状分析Spectrum analyzer has a very wide range of applications in teaching research and production practice.
频谱分析在教学科研和生产实践中都有着非常广泛的应用。
参考来源 - 语音信号频谱分析仪的设计The analysis of ultrasonic wave spectrum is one kind of technology, in which the theories and methods of spectrum analyzing were applied.
超声波频谱分析是把频谱分析的理论和分析方法应用于超声检测的技术。
参考来源 - UT信号频谱分析技术基础研究·2,447,543篇论文数据，部分数据来源于NoteExpress
根据微气压计记录采用频谱分析和调和分析两种方法得出了大气潮谱的详细结构。
The detailed structure of spectrum of atmospheric tides is obtained by the spectral analysis-and harmonic analysis from the microbarograph records.
下一节将讨论频谱分析来分析这些数据。
The next section discusses spectral analysis, where you analyze this data.
采用频谱分析方法，分析诸因素对压力振动特性的影响。
The influence of some factors on pressure oscillation is studied by frequency spectrum analysis.
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