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 detailed structure of spectrum of atmospheric tides is obtained by the spectral analysis-and harmonic analysis from the microbarograph records.
下一节将讨论频谱分析来分析这些数据。
The next section discusses spectral analysis, where you analyze this data.
首先讲述了频谱分析的原理以及实现的算法。
First, it introduces the principle and algorithm of frequency spectrum analysis.
本文从空间频谱分析的角度来实现这一估计。
In this paper, the DOA estimation is implemented by spatial frequency spectrum analysis.
频谱分析确定了破裂点脉动和螺旋波的频率特征。
Spectrum analysis reveals the frequency characteristics of vortex breakdown point oscillation and spiral wave.
在地震数据处理中，频谱分析是不可缺少的重要环节。
The analysis of frequency spectrum is an important link in seismic data processing.
运用噪声频谱分析方法对铁合金企业噪声进行了分析。
This paper USES the method of noise spectrum analysis to analyze the enterprise noise of ferroalloys.
利用不同深度界面的回波频谱分析提取衰减系数剖面。
The attenuation is extracted by the spectrum of the layers at different depth.
采用频谱分析方法，分析诸因素对压力振动特性的影响。
The influence of some factors on pressure oscillation is studied by frequency spectrum analysis.
并且根据频谱分析的方法确定了瑞利波的频率分布范围。
The frequency range of R-wave has been determined by use of frequency analysis.
对解调处理后的信号做频谱分析，诊断数控机床的故障。
Analyze the signals which were demodulated and diagnose the malfunction of the CNC.
凡信息是直接以数字形式记录，频谱分析可以更迅速地进行。
Where the information is directly recorded in digital form, spectral analysis can be carried out more rapidly.
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.
本文探讨了用齿轮噪声频谱分析来诊断齿轮磨损程度的方法。
This paper introduces the methods of diagnosing the tooth-wear through the spectrum analysis of gear noise.
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。
Through vibration frequency spectrum analysis of no-tillage seeder in field, its vibration characteristics were obtained.
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。
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
简介了频谱分析的基础理论和快速傅利叶变换(FFT)算法。
Basic theory of spectrum analysis and Fast Fourier Transform (FFT) algorithm are briefly introduced.
本文给出了一种应用微机进行电网谐波检测与频谱分析的有效方法。
An effective method of microcomputer aided detection and frequency analysis of harmonic in power-network is presented.
运用故障诊断和频谱分析技术，对透平压缩机组的振动故障进行了诊断。
The vibration faults of the turbine-compressor sets were diagnosed using the technologies of fault diagnosis and frequency spectrum.
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.
心音采集的虚拟仪器源代码，是基于计算机声卡的，里面有心音信号和频谱分析等。
Virtual Instrument Collection phonocardiogram source code, is based on the computer sound card, which determined the sound signal and spectrum analysis.
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。
It includes: stimulus of signal, analysis of signal spectrum, design of filter and PWM signal.
在分析传感器信号的基础上，用SD- 380动态分析仪对信号作了频谱分析。
Based on the analysis of the sensor signal, the frequency spectrum is analyzed with SD-380 dynamic analyzer.
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。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
为了控制内藏式空调室内机的噪声，运用分步运转、频谱分析等方法判断出主要噪声源。
In order to control the noise of the indoor unit of an embedded air conditioner, the main source of the noise is identified by using separate running and noise spectrum analysis.
运用MATLAB语言模拟实现了数字信号的ASK、FSK、PSK调制与频谱分析。
The paper uses MATLAB to simulate ASK, FSK, PSK modulation of digital signal and spectrum analysis.
运用MATLAB语言模拟实现了数字信号的ASK、FSK、PSK调制与频谱分析。
The paper uses MATLAB to simulate ASK, FSK, PSK modulation of digital signal and spectrum analysis.
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