First, it introduces the principle and algorithm of frequency spectrum analysis.
首先讲述了频谱分析的原理以及实现的算法。
In this paper, the DOA estimation is implemented by spatial frequency spectrum analysis.
本文从空间频谱分析的角度来实现这一估计。
This paper introduced a method of forecasting precipitation with frequency spectrum analysis.
本文介绍了用频谱分析法进行降水量分析和预报的基本方法。
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。
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。
Frequency spectrum analysis and the crossing point of voltage are adopted to control the corresponding filter branch switch.
采用了频谱分析法和电压过零点控制相应的滤波支路投入运行。
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。
Analysis of frequency spectrum of human ECG using method of real-time frequency spectrum analysis and filter method is presented.
本文介绍了用实时频谱分析法和滤波器法对人体心电信息作频谱分析。
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。
Entanglement textured mechanism is further studied and analyzed in this article, employing computer for frequency spectrum analysis.
本文采用频谱分析方法，对长丝束在交络喷咀丝道内的振动做了较深入的分析和研究。
This paper proposes a frequency spectrum analysis method and a fast algorithm on the interpolation signal with equal samples interval.
本文提出了等间隔加密信号的频谱分析方法和计算加密信号的快速算法。
Further more, in view of periodical character of dam observation data, a frequency spectrum analysis method for data treatment is suggested.
针对大坝观测资料周期性较强的特点，首次提出了频谱回归及分析法。
In order to assess the operational behavior of cellulose electrodes, the frequency spectrum analysis on the point of voltage was carried out.
为了评价纤维素焊条的工艺性，对焊接过程电压信号进行了频谱分析。
In this paper, the gamma-ray curves of the Quaternary of Sanhu area in eastern Qaidam Basin are analyzed using frequency spectrum analysis method.
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。
For the sake of getting more effective information, frequency spectrum analysis is applied to qualitatively analyze experimental data of inertia platform.
为了获取更多有效信息，将谱分析方法应用于惯性平台试验数据的定性分析。
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。
A method of frequency spectrum analysis is introduced, which be realized by collect the virtual value of appoint frequency vibration through scanning frequency.
介绍了一种用频率扫描抽取指定频率振动分量有效值的方法实现硬件频谱分析的工作原理。
The SNR of the remote channel can be estimated based on the frequency spectrum analysis, which leads the monitoring of the all parameters of the remote channel.
利用对信号的频域分析，实现对远动通道信噪比估计，从而实现对远动通道中各项参数的全面监控。
Applying Fourier transform frequency spectrum analysis, the equivalent formula and arithmetic for calculating the dielectric loss at power frequency are deduced.
基于这种变频法思想，结合傅里叶变换频谱分析法推导了介质损耗参数的工频等效计算公式和算法。
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。
As far as the function of software is concerned, it completes most of general functions in vibration test, such as data acquisition, frequency spectrum analysis, and so on.
仪器功能全面，完成了振动测试中通用的数据采集、频谱分析等功能，并添加了模态分析功能。
Through frequency spectrum analysis, the causes of sudden vibration of the unit are found out, and confirm that has the feature of oil film vibration, and then is eliminated.
对机组突发性振动的成因进行了频谱分析，确认油膜振荡的振动特征并加以消除。
The influences of wall on the frequency response of the bubble and the turbulent intensity of the bubble motion have been analyzed through frequency spectrum analysis method.
通过频谱分析，考察了壁面的存在对空泡频率响应特性和湍强度等方面的影响，并与壁面对固体颗粒运动的影响进行了比较。
Based on the numerical simulation method, frequency spectrum analysis and structure analysis were conducted for the three dimensional unsteady flow inside the compressor rotor.
通过数值模拟，对一个低压压气机转子的非定常流场进行结构分析和频谱分析。
The signal analyzing part can complete the following work such as preprocessing, correlation analysis, frequency spectrum analysis and chaos analysis for nonlinear vibration signals.
振动信号分析处理部分可以对信号进行预处理及相关分析、频谱分析和非线性信号的混沌分析等。
The source of noise in the high pressure plunger pump is identified through frequency spectrum analysis and measurements show significant reduction of noise in the improved plunger pump.
基于高压柱塞泵噪声产生的机理分析与振动频率的计算，找出产生噪声的根源；对实验测得频谱曲线进行频谱分析表明，改进后的高压柱塞泵的噪声得到了明显地改善。
Noise value, noise power, noise voltage, vibration power and amplitude vibration were measured under different cutting parameters of technology and frequency spectrum analysis was also made.
在不同的锯切工艺参数和锯片结构下，测量了噪声值、噪声功率、噪声电压、振动功率和振动幅值，并对其进行频谱分析。
Through the frequency spectrum analysis of earthquake waves and the dynamic instability regions analysis, the dynamic stability of serial system can be judged under a certain earthquake wave.
通过地震波的频谱分析，结合体系的动力失稳区间分析，可判断在某竖向地震作用下，串联体系并无发生失稳的可能。
By the effect analysis of various special processing methods, a set of seismic prediction techniques of malignant leakage such as coherent analysis and frequency spectrum analysis are summarized.
通过多种特殊处理方法效果的分析，总结了一套较为有效的恶性井漏地震预测技术，如相干体分析、频谱分析等。
By the effect analysis of various special processing methods, a set of seismic prediction techniques of malignant leakage such as coherent analysis and frequency spectrum analysis are summarized.
通过多种特殊处理方法效果的分析，总结了一套较为有效的恶性井漏地震预测技术，如相干体分析、频谱分析等。
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