频率谱的英文

• frequency spectrum

• "频率"英文翻译    frequency; rate
• "谱"英文翻译    table; chart; register
• "标准频率谱" 英文翻译 :    normal frequency ectrum; normal frequency spectrum
• "空间频率谱" 英文翻译 :    spatial frequency spectrum
• "时间频率谱" 英文翻译 :    temporal frequency spectrum
• "脉冲列频率谱" 英文翻译 :    pulse-train frequency spectrum
• "回声频率谱因数" 英文翻译 :    echo spectrum factor
• "涡流分布频率谱" 英文翻译 :    eddy spectrum; turbulence spectrum; turbulent spectrum
• "功率谱" 英文翻译 :    power spectrum
• "层面功率谱" 英文翻译 :    bedding-plane power ectrum; bedding-plane power spectrum
• "电阻率谱" 英文翻译 :    resistivity spectrum
• "二维功率谱" 英文翻译 :    two-dimensional power spectrum
• "功率谱的" 英文翻译 :    power-spectral
• "功率谱分析" 英文翻译 :    power spectral analysis; power spectrumanalysis
• "功率谱估计" 英文翻译 :    power spectrum estimate; power spectrum estimation
• "功率谱密" 英文翻译 :    power spectral density; power spectrum
• "功率谱密度" 英文翻译 :    power spectral density (psd); psd ( power spectral density ); psd power spectral density; psd，power spectrum density; spectral density
• "功率谱显示" 英文翻译 :    power spectra display; powspec
• "功率谱阵" 英文翻译 :    power spectrum array
• "估计功率谱" 英文翻译 :    estimated power spectrum
• "互功率谱" 英文翻译 :    cross power spectrum; crosspower spectrum
• "角功率谱" 英文翻译 :    angular power spectrum
• "均匀功率谱" 英文翻译 :    uniform power spectrum
• "连续功率谱" 英文翻译 :    continuous power spectrum
• "脑电功率谱" 英文翻译 :    eeg power spectrum

• Normal frequency spectrum
  标准频率谱
• Still the spectrogram , in which there was exactly equal value between every frequency component , manifested the property of periodical oscillation
  频率谱中各谐频之间具有严格相等的差频，表现出周期性振荡的特性。
• Practice shows that the application of frequency spectrum characteristics to the evaluation of ip anomalies caused by sulfide mineralized bodies ( chalcopyrite ) and graphite - bearing dolomitic marble is effective
  实践证明，利用频率谱定性评价硫化物矿化体（黄铜矿）与含石墨白云质大理岩激电异常源取得较佳效果。
• Drawing on a multifunctional internal friction instrument and dma , we tested the damping capacity of all the heat treated samples completely , and then got the damping - frequency spectrum , temperature spectrum and strain amplitude spectrum
  然后，在多功能内耗仪和dma上对各热处理态试样的阻尼性能进行了全面测试，获得了内耗频率谱、温度谱和振幅效应谱。
• This paper presents that the directional spectra and the reflection coefficients of the oblique and the multidirectional irregular waves on the co - exist wave field of incident wave and reflected wave have been studied . a modified two - points method is proposed that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves . for the multidirectional irregular waves , the directional spectra and reflection coefficients are obtained by the modified bayesian directional method and the modified maximum likelihood method
  本文研究了入、反射波共存场中斜向不规则波和多向不规则波波浪场的方向谱和反射系数，对于斜向不规则波频率谱及反射系数的计算提出了一种改进两点法( mtpm ) ，对于多向不规则波方向谱和反射系数的分析，应用了改进的贝叶斯方法( mbdm )和改进的最大似然法( mmlm ) 。
• Psittacula agapornis ) , oscine passenon ( emberiza rutila ) and the vocalizations of sub - oscine passerine ( melopsittacus undulates , psittacula agapornis ) after sectioning nxiits were recorded by sharp gf - 6060 recorder . cooledit2000 , an acoustic analyzing software , was used to produce the original wave and it ' s expanded time windows , sonograms , spectrums and power static histograms . to distinguish the acoustic differences of their natural vocal and to find the changes of sub - oscine passerine ' s song after sectioning nxiits , the above results is acoustically analyzed and compared , expecting to provide some advantage to further explaining the mechanism of vocal production
  本实验以非鸣禽(家鸽、家鸡) ，亚鸣禽(虎皮鹦鹉、牡丹鹦鹉)以及鸣禽(栗? )为实验材料，记录其正常叫声以及亚鸣禽断nxiits后的叫声，用cooledit2000声音处理软件制出原始信号及其展开图，声图，频率谱图以及能量统计分布图，并对所得结果进行声学比较分析，以期得到鸣禽、亚鸣禽及非鸣禽叫声在声学特性上的差异，以及亚鸣禽在断神经后叫声的声学变化，旨在为进一步解释其发声机制提供帮助。
• Abstract : a software method of frequency - modulated signal demodulating based on wavelet packet is proposed in this paper . a variety of frequency - modulated signals are analyzed in time - frequency domain and the spectrograms are presented . this method can detect instantaneous frequency effectively and get frequency - modulated information , can be widely applied to dynamic testing and software radio
  文摘:提出了基于小波包的调频波解调方法，通过对各种调频信号进行时频分析，给出了信号的时间?频率谱图，能有效地检测到瞬时频率和获取调频信息，该方法可广泛应用于动态测试和软件无线电等领域。
• The rubber insert ' s mechanical and physical performances and machining mechanism , particularly the dynamic mechanics frequency chart and the equivalent principle of time and temperature , are analyzed in chapter 6 . the series tools of machining rubber inserts are researched and manufactured . reasonable technology parameters , and measures for exaltation machining efficiency and quantity are determined by test
  第六章分析了防中子橡胶内衬的物理机械性能，尤其是动态力学性能频率谱和时温等效原理；研究了橡胶材料的加工机理：研制了橡胶内衬加工的系列刀具，进行了加工工艺参数优化；提出了提高加工质量和效率的工艺措施。
• In the analysis of the frequent spectrum and the reflection coefficients , based on goda ' s two - points method which fit to the normal incident wave , a modified two - points method is derived that can be used to calculate the frequent spectrum and reflection coefficient of the oblique waves from which the frequent spectra of incident waves and reflected waves incoming in arbitrary angular , the bulk reflection coefficient and the frequent spectrum of reflection coefficient could be computed , also from which in theory the waves could be measured in two wave gauges which is disposed at any direction
  为了分析单向不规则波入射波的频率谱和反射系数，本文在goda用于分析正向不规则波的两点法的基础上，提出了可用于斜向不规则波频谱分离及其反射系数计算的改进两点法，该方法可用于计算任意波浪入射角的入、反射波谱、总体反射系数和反射系数的频率谱，并且测量波浪过程的两浪高仪可在较广的方向范围内布置。
• The method has been used to separate the frequent spectra of incident waves and reflected waves of the composed wave that are simulated by a numerical method . the results shown that the frequent spectra of incident waves and reflected waves being computed are consistent with the target spectrum and the bulk reflection coefficient is too . the frequent spectrum of reflection coefficient is same as the input round the peak frequency
  将此方法用模拟合成波波列的分离计算，结果表明，分离的入、反射波频谱与输入的靶谱符合良好，且计算的总体反射系数与输入的总体反射系数一致，计算得到的反射系数频率谱在峰频附近与输入值符合良好，说明该分析方法是可靠的。