spectrum analysis

noun

1. （声、光、振动等的）频谱分析
   a technique for examining sound, light, vibration , etc., by looking at the different wave frequencies produced

1. Application of Spectrum Analysis Technology to Coal Structure Exploration
   频谱分析技术在煤体结构探测中的应用
2. Application of SSE to real-time frequency spectrum analysis for neutron pulse signal
   SSE在中子脉冲序列核信号实时频谱分析中的应用
3. The sinusoid frequency estimation algorithms for all phase spectrum analysis are studied.
   研究了应用于全相位频谱分析的正弦波频率估计算法。
4. Algorithm of the IF amplitude calibration in the Spectrum Analysis
   频谱分析仪中频幅度的校准思想和算法
5. Experimental research on cross-correlation between pulses of femtosecond laser sequence The Real-time Frequency Spectrum Analysis of Neutron Pulse Signal Series
   飞秒激光脉冲序列互相关实验及结果分析一种中子脉冲序列信号实时频谱分析的研究
6. Correlation and Spectrum Analysis of Functions Implemented by Multi-value Multi-threshold Neurons
   多值多门限神经元函数的相关性和频谱分析
7. Detailed spectrum analysis of the process, methodology and the need to pay attention to.
   详细介绍了频谱分析的过程，方法，以及需要注意的问题。
8. Research on the application of the intelligent ultrasonic frequency spectrum analysis in NDT
   智能超声频谱分析在无损检测中的应用研究
9. Based on wavelet energy spectrum analysis, the authors propose a single-pole adaptive reclosure scheme for transmission lines.
   提出一种基于小波谱能量分析的输电线路单相自适应重合闸方案。
10. The Real-time Frequency Spectrum Analysis of Neutron Pulse Signal Series
    一种中子脉冲序列信号实时频谱分析的研究
11. A Novel Research on Feature Detection of LPI Radar Signals Based on Cyclic Spectrum Analysis
    基于循环谱分析的LPI信号特征检测新方法研究
12. Venation wave spectrum analysis finds out shape-structure change of mid-frequency signal fluctuation.
    脉络波谱图分析查明了中范围（频率）信号波动的形态结构变化。
13. Development status of spectrum analysis for ultrasonic testing of flaw in materials
    材料缺陷超声检测中谱分析技术的研究
14. This paper uses the method of noise spectrum analysis to analyze the enterprise noise of ferroalloys.
    运用噪声频谱分析方法对铁合金企业噪声进行了分析。
15. This paper describes the design of spectrum analysis circuit for fully automatic chemistry analyzer.
    主要阐述了全自动生化分析仪的光谱分析电路设计。
16. Research on application of spectrum analysis in acoustic measurement of seabed sediments
    海底沉积物声学测量中频谱分析方法应用研究
17. The design and application of spectrum analysis processor based on FPGA
    基于FPGA的频谱分析处理器设计与应用
18. By means of the techniques of noise field analysis and spectrum analysis, the noise inside a light bus was measured and analyzed, and the main noise source was identified.
    本文利用声场分析技术和谱分析技术对轻型客车的车内噪声进行了测试分析，识别出车内噪声的主要噪声源。
19. The developing process of a suit of certified reference materials of nitrogen cast iron for spectrum analysis was introduced.
    介绍一套含氮铸铁光谱分析标准物质的研制过程。
20. On-line rotor fault monitoring and diagnosis based on spectrum analysis of average instantaneous power for squirrel cage induction motors;
    本文提出了以平均瞬时功率为监测量进行鼠笼式异步电动机转子复合故障的监测与诊断方法。
21. The application of elasto-plastic response spectrum analysis to a hybrid structure
    考虑我国场地土类型的弹塑性反应谱法在高层混合结构中的应用
22. The infrared spectrum analysis shows that MG-2 has a chemical adsorption in quartz surface.
    红外光谱分析表明，MG-2在石英表面的吸附为化学吸附。
23. Study of Spectrum Analysis Based on EMD Adaptive Filter
    基于EMD自适应滤波的谱分析方法研究
24. Up-to-the-art developments of spectroscopic techniques are reviewed, including digital spectrometer, CdZnTe detector, new spectrum analysis methods and new spectrometer system design techniques.
    从数字化谱仪、碲锌镉探测器应用、能谱分析新方法和谱仪系统设计新技术等方面综述了近年来国内外谱仪技术的研究及进展。
25. DDS Signal Generator Method and Spectrum Analysis
    一种DDS信号发生方法与频谱研究
26. The suggestions on the further research of the frequency spectrum analysis are provided.
    就频谱分析的进一步研究提出了建议。
27. To overcome this problem, we propose a new SPOT natural-color simulation method based on spectrum analysis.
    针对这个问题，提出了利用波谱分析的SPOT自然色模拟方法。
28. An improved neighborhood selection method combing with the SSA ( singular spectrum analysis) technique is proposed.
    结合奇异谱分析技术，提出了一种改进的邻域选取方法。
29. It is an effective and reliable method to analyze signals and diagnose gearbox by Hilbert power spectrum analysis.
    作包络功率谱分析，能有效地对齿轮箱故障进行诊断分析。
30. The mechanism of sulphur modified asphalt is studied with the infrared adsorption spectrum analysis.
    应用红外光谱分析研究硫磺改性沥青的机理。

noun

1. the use of spectroscopes to analyze spectra

   Synonym:    spectroscopyspectrometryspectroscopic analysisspectrographic analysis