Based on the analysis of spectrum of pulsed wave, the sampling frequency is selected according to the performance of hardware.
在对方波频谱进行数学分析的基础上，结合硬件条件选择恢复波形的采样频率。
For example, trained observers obtain a very large amount of information about a star mainly from the accurate analysis of the simple lines that appear in a spectrum.
例如，经过训练的观察者主要通过对光谱中出现的简单线条的精确分析来获取关于恒星的大量信息。
The detailed structure of spectrum of atmospheric tides is obtained by the spectral analysis-and harmonic analysis from the microbarograph records.
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 contract covers a wide range of network management services, including network defense, intrusion detection and analysis, remedies and spectrum network management.
合同覆盖了多种网络管理服务，包括网络防御、入侵探测和分析、救援和频谱网络管理。
For uniform time sampling, the level of frequency fluctuation will greatly influence the results of spectrum analysis.
采用等时隙采样方法，频率随机波动的大小则会严重影响谱分析的结果。
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
利用相函数的频谱分析求其自功率谱，可以反映它的频率结构。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。
A new method of infrared spectrum analysis based on support vector machine for mixture gas was proposed.
介绍了一种基于支持向量机的混合气体红外光谱组分浓度和种类分析的新方法。
Increasing the sampling rate of uniform time sampling, the errors of spectrum analysis can be reduced.
通过提高等时隙采样方法的采样率，可以减小谱分析的误差。
The accuracy of traditional spectrum analysis for the diagnosis of reciprocating pump valve is not satisfied for the interference of the noise and the vibration of the adjacent parts.
往复泵泵阀振动信号的常规频谱分析，由于故障特征信息往往被淹没于强大的噪声以及相邻部件的干扰而使诊断精度大打折扣。
Digital filter is the basic arithmetic of language, picture processing, model recognition and spectrum analysis.
数字滤波器是语言、图象处理、模式识别以及谱分析中的基本运算的处理运算。
Flaw classification is realized successfully through the ultrasonic spectrum analysis. The research proves that ultrasonic spectrum technology will promote the reliability of testing results.
利用超声频谱分析法成功地实现了缺陷的分类，试验结果表明，超声频谱分析技术可提高检测结果的可靠性。
Using Fourier series, the frequency spectrum analysis was analyzed, and spectrum data of harmony wave less than 19 were calculated.
利用傅里叶级数对其进行了频谱分析，计算了次数小于19次的各次谐波电流均方根值的频谱数据。
The influence of some factors on pressure oscillation is studied by frequency spectrum analysis.
采用频谱分析方法，分析诸因素对压力振动特性的影响。
Then, make monitoring on ordinary trouble, and frequency spectrum analysis on all kinds of lubricants, and analyses mechanism of happened faults to determine fault causes.
然后对常见故障进行监测，主要对各种润滑油脂进行频谱分析，分析故障发生的机理，确定故障的因果关系。
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。
Naturally, the accuracy of buffeting analysis lies on the buffeting force spectrum and the model of the structure.
抖振分析的准确性，取决于抖振力和结构模型的准确描述。
The entire system is a virtual signal generator and spectrum analysis module module composed of two parts.
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。
And it has introduced such several kinds of typical modules as data acquisition, Controller, Frequency spectrum analysis and remote data transmission, etc.
并在此基础上，详细介绍了数据链接、控制器、频谱分析、远程数据传输等几种典型模块。
By means of auto-correlation and spectrum analysis, we discuss in detail some physical mechanisms of the flows.
通过自相关与谱分析的方法，详细地讨论了这种流动的一些物理机制。
Basic theory of spectrum analysis and Fast Fourier Transform (FFT) algorithm are briefly introduced.
简介了频谱分析的基础理论和快速傅利叶变换(FFT)算法。
This paper introduces the methods of diagnosing the tooth-wear through the spectrum analysis of gear noise.
本文探讨了用齿轮噪声频谱分析来诊断齿轮磨损程度的方法。
The analysis steps of capacity spectrum method are discussed.
详细说明了能力谱方法的分析步骤。
ZFFT(ZoomFFT) is a method used for analysis of part spectrum, it can reduce calculation.
ZFFT是对频谱局部特性进行分析的一种方法，它可降低运算量。
It includes: stimulus of signal, analysis of signal spectrum, design of filter and PWM signal.
其中包括：激励信号的产生，信号的频谱分析，滤波器设计，PWM信号的产生等。
Power spectrum analysis is always used in spectrum analysis of cavitation noise. However, it is obviously unfit for research on the transient signal such as cavitation noise.
空化噪声的谱分析一般采用功率谱分析，而功率谱分析在研究空化噪声这种具有很强突变性的信号具有明显的缺陷。
In addition, the comparative analysis of ATR spectrum of healthy skin with psoriasis exuviae is investigated.
此外，对人体健康皮肤和患银屑病皮肤的AT R红外光谱进行了对比分析。
In addition, the comparative analysis of ATR spectrum of healthy skin with psoriasis exuviae is investigated.
此外，对人体健康皮肤和患银屑病皮肤的AT R红外光谱进行了对比分析。
应用推荐