文中的分析与结论对频谱分析系统的正确使用具有指导意义和实用价值。
The analytical and experimental results are very useful for the rational use of Fourier spectrum analysis system.
第四章介绍了在自行构建的超声频谱分析系统上，进行超声频域特征应用方法与技术的研究。
Chapter 4 introduces the research of application and techniques of ultrasonic spectrum features on the analytic system which has been constructed.
通过实验测试，频谱分析系统使用简便直观，只要接到信号源与示波器之间，即可观察信号的频谱。
The using of spectrum analyses system is easy and visual, after testing in lab. Only interfacing it between the signal and oscilloscope, then you can observe spectrum of signal.
然后在白光光学频谱分析系统中，利用放置在傅里叶频谱面上的取样狭缝得到按频率假彩色编码的频谱图。
The frequency pseudocolor-coded speech spectrogram is then obtained by means of a sampling narrow slit placed at Fourier plane in white-light optical spectrum analyzer.
整个系统由虚拟信号发生器模块和频谱分析模块两部分组成。
The whole system is composed of both virtual signal generator and spectrum analysis.
整个系统由虚拟信号发生器模块和频谱分析模块两部分组成。
The entire system is a virtual signal generator and spectrum analysis module module composed of two parts.
本文介绍一种光学-计算机混合处理系统对图像进行空间频谱分析的原理和方法。
The paper describes the principle and method of spatial spectrum analysis to photographic image using an optics computer hybrid processing system.
目的设计一套数字化脉冲波超声多普勒系统，以实现多深度血流频谱分析和显示。
Objective To design a digital multigated PW ultrasound Doppler system and validate the system in experimental study.
本文提出了用“频谱分析”的方法分析外部扰动引起的电力系统随机振荡，并建立了完整的数学模型。
This paper puts forward a "Spectrum Analysis" method to analyse the random power oscillation in power system caused by external disturbance, and sets up a complete digital model.
采用PDA测量系统对四角切圆燃烧锅炉垂直浓淡煤粉燃烧方式下炉内湍流特性进行了实验研究和频谱分析。
With PDA System the experiment and spectrum analysis on turbulent now had been conducted for vertical bias combustion in tangentially fired furnace.
系统的构成、对测试环境的要求、FFT在微型计算机上的实现，以及在实际工程中振动频谱分析的应用。
It Contains system construction, measurement environment requirement, FFT application in microcomputer, and spectrum analysis for vibrations in practical engineering.
并对实测张力波动信号作了频谱分析，为设计张力传感器和微机张力信号采集系统提供了依据。
The spectrum of the tension fluctuation signals is also analysed, providing a basis for the design of tension testing sensors and tension signal collecting systems with microcomputers.
研制以超声波为载体的电路系统，探测眼部血流多普勒信号，并进行频谱分析。
A set of circuits for detecting ophthalmic blood flow Doppler signals was developed and spectral analysis was realized as well.
系统软件使用虚拟仪器技术，设计了通用数据记录仪、浪涌分析仪、频谱分析仪、稳态和瞬态信号分析仪等多种虚拟仪器。
Virtual Instrument technology is used in the design of the general wave recorder, impact analyzer, spectrum analyzer, stable and transient signal analyzer and so on.
系统以起动机时域振动信息为基础，运用频谱分析和倒谱分析方法处理振动信息，以确定故障部位。
To determine the fault position, the system based on the time domain vibration information of starter utilizes the method of spectrum and cepstrum analysis to process vibration information.
用频谱分析的方法研究了车桥系统由路面不平顺引起的动力响应。
A new method for the dynamic study of vehicle-bridge system has been presented here.
系统包括预处理、小波分析、频谱分析、正演、反演、输入、输出、图形显示、帮助等九个模块。
The system includes the following nine modules: pretreatment, wavelet analysis, spectral analysis, forward modeling, inversion, input, output, graph display and help.
对基于频谱分析仪的相位噪声测试原理和方法进行了介绍，并对引起测试系统不确定度的因素及其评定方法进行了讨论。
This article introduces the principle and method how to measure phase noise with spectrum analyzer, and discusses the uncertainty factor and its evaluating method.
本文采用频谱分析对柴达木盆地三湖地区第四系自然伽马测井曲线进行了系统分析。
In this paper, the gamma-ray curves of the Quaternary of Sanhu area in eastern Qaidam Basin are analyzed using frequency spectrum analysis method.
使用CVI软件设计了一种基于虚拟仪器的频谱分析仪，并将其运用于喷气织机振动传感器输出信号测试与分析中，建立了整个测试系统。
VI-based spectrum analysis instrument using CVI software is designed and it is used to test and analyze sensor output signal of jet loom vibration. The whole testing system is established.
以多导生理信号分析系统记录胃慢波，以频谱分析法分析不同5 - HT受体拮抗剂对胃慢波的影响。
Gastric slow waves were recorded by multi-channel physiological signal analytical system. Effects of antagonists of various 5-ht receptors on gastric slow waves were analyzed by spectral analysis.
简要介绍了基于频谱分析的汽轮机叶片自振频率测量系统的组成和工作原理。
In this paper, a natural frequency-measuring device for turbine blade is developed, and its constructing and working principles based on spectrum analysis are presented.
把傅里叶频谱分析方法引入棱镜-薄膜波导耦合系统的输入输出耦合问题，快速而完整地求解了系统输入输出耦合方程组。
The Fourier spectral analysis method is applied to the input-output coupling problem of a prism-thin film waveguide system. The input-output coupling equations are solved fast and exactly.
使用CVI软件设计了一种基于虚拟仪器的频谱分析仪，并将其运用于喷气织机振动传感器输出信号测试与分析中，建立了整个测试系统。
A VI-based spectrum analysis instrument using CVI software is designed and it is used to test and analyze sensor output signal of jet loom vibration. The whole testing system is established.
频率估计和频谱分析是在电子侦察系统中进一步分析复杂通信信号的基础。
Frequency estimation and spectrum analysis are the foundation of the analysis of complex communication signals in electronic reconnaissance system.
利用频谱分析与倒频谱分析技术对齿轮系统的故障进行检测与识别，给出了诊断齿轮系统故障的一般方法。
The faults of geasystem are diagnosed by spectrum and cepstrum analysis techniques. A generamethod for diagnosis of the faults of gear system is given.
根据加工工艺的需要， 系统采用主从控制结构，振动信号的检测、频谱分析与电解加工在整个过程中交替进行。
During the processing of the foil, the signal-collecting, the frequency-analyzing and the electrolysis-controlling should been done alternately.
应用倒频谱分析等先进技术对减速机进行故障诊断，建立故障诊断专家系统。
Application of cepstrum analysis and other advanced technology to troubleshoot the reducer, the establishment of fault diagnosis expert system.
应用倒频谱分析等先进技术对减速机进行故障诊断，建立故障诊断专家系统。
Application of cepstrum analysis and other advanced technology to troubleshoot the reducer, the establishment of fault diagnosis expert system.
应用推荐