Its circuit block diagram is given on the basis of frequency spectrum analysis.

The structure of the product was characterized by IR and UV spectrum analysis.

用红外光谱及紫外光谱对产品结构进行了表征.

A signal can be extracted from the FFT spectrum, which spectrum analysis is also often used.

FFT可以将一个信号的频谱提取出来, 这在频谱分析方面也是经常用的.

The properties of thecatalysts have been examined using XRD; SEM, BET. Energy spectrum analysis, etc.

采用了XRD 、 SEM 、 BET比表面积测定以及能谱等手段对催化剂的性能进行了表征.

Currently , Response Spectrum Analysis ( RSA ) is the most popular method of dynamic response analysis.

反应谱法时下仍是结构动力分析中应用最广泛的分析方法.

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.

In chapter 4, the automatic recognizing method of modulation types based on spectrum analysis is given.

第四章讨论了基于谱分析的TDMA信号调制类型识别.

According to spectrum analysis and order analysis, the property of the interior noise is obtained.

通过频谱和阶次分析, 获得了车内噪声特性.

The professor took a spectrum analysis in class.

教授在课堂上做了一次光谱分析.

The experimental results show that envelope spectrum analysis can effectively diagnosis the faults of the bearing.

通过对轴承内圈、外圈故障实验信号的分析,表明该方法能有效诊断轴承的故障.

Metallographic observation, fracture scanning and dispersion spectrum analysis on the fractured turbine blade were carried out.

对汽轮机断裂叶片进行了金相组织观察 、 断口扫描及能谱分析.

Spectrum analysis of seismic exploration program.

地震勘探中频谱分析程序.

Understand the vibration characteristics of testing equipment by responding spectrum analysis.

通过响应谱分析来了解对象的振动特性.

The possibility of surface contamination moving inside silastic is studied via energy spectrum analysis.

通过能谱分析,探索了表面积污向材质内部迁移的可能性.

This paper presents some method of the shock and random response spectrum analysis.

本文提出了一些对冲击以及随机响应谱进行分析的方法.

One is online acquisition program , which use for data acquisition, storage, display waveform, amplitude spectrum analysis.

其中在线采集程序实现数据采集 、 保存, 波形显示和幅值谱分析功能.

Compressor lubricant sampling, analysis of oil quality.

空压机润滑油采样, 分析油质.

Have you properly kept full seawater sampling analysis record?

有否妥善保存全部的海水取样及分析记录?

Methods: The final water washing method was used to conduct sampling analysis.

方法: 采用最终淋洗水法取样分析.

Finally, the feasibility analysis of the system, system optimization, as well as some attention.

最后分析了系统可行性, 系统的优化, 以及一些注意事项.

After the feasibility of the project feasibility analysis, decision-making is established, design becomes key.

项目经过可行性分析论证, 决策一经确立, 设计即成为关键.