頻域分析 的英文怎麼說

中文拼音 [bīnyùfēnxī]
頻域分析 英文
frequecny domain analysis
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 域 : 名詞（在一定疆界內的地方; 疆域） land within certain boundaries; territory; region
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  1. It can realizes historical data repeat, time field analysis, spectrum analysis, time delay field analysis, axis orbit analysis, digital filter, corelation analysis, holographic spectrum analysis, demodulation analysis, fft delicate analysis and so on

    能實現歷史數據回放分析、時域分析、頻域分析、時延域分析、軸心軌跡分析、數字濾波、相關分析、全息譜分析、解調分析及fft細化分析等功能。
  2. Moreover in speech enhancement, especially in reducing the pulse noise, morphological algorithm has its unique advantage. particularly morphological filter may maintain the preferable accurate of the speech signal in speech waveform, and which produces little impairment to the formant of speech. so the spectrum structure of the speech is retained well, and the quality of the speech will not be reduced

    特別是，在時域波形分析中，形態學濾波增強較小波去噪更好地保持語音信號的細節；在頻域分析中，形態學濾波對語音信號的基音頻率、頻譜斜率、共振峰等語音特徵的影響很小，因而能夠較好的保留語音信號的頻譜結構，使語音品質不致降低。
  3. Calculation and spectra analysis of horizontal acceleration corrections for airborne gravimetry

    航空重力測量中水平加速度改正的計算與頻域分析
  4. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。
  5. Following, using the experimental methods, the dynamic response of the stiffened conical shells under cosinoidal impulsive loading is studied. the changes of dynamic response of points along circumferential line of the conical shells are analyzed, and the characteristics of dynamic response of points are studied by both the time - domain analytic method and the frequency - domain analytic method

    採用實驗方法研究了加筋圓錐殼在側向餘弦載荷作用下的動力響應，分析了沿環向各點的響應變化，並從時域和頻域分析了它們各點的響應特性。
  6. The three - dimensional flutter analysis in frequency - domain of suspension bridges and theirs flutter stability when construction is carried out in terms of dealing with the project of constructing a suspension bridge ? ancang jiang bridge, besides with other engineering projects

    本文以瀾滄江懸索橋為工程背景，結合其他幾個工程實例，討論了三維顫振頻域分析方法和懸索橋施工階段的顫振穩定性問題。
  7. Wavelet analysis is a tool of time - frequency analysis after fourier analysis

    小波分析是繼fourier分析之後的新的時頻域分析工具。
  8. In this time, as a result of major development in computer technologies and fast fourier transform wider application, many frequency analyzer based on digital signal processing theory and multi - function signal analysis software occurred. which greatly strengthened analysis function to engineer vibration signal ' s time field and frequency field

    在這一時期，由於計算機的快速發展以及快速傅立葉變換的普遍應用，各種基於數字信號處理原理的頻率分析儀以及多功能信號分析軟體出現，從而大大加強了對工程振動信號的時域及頻域分析功能。
  9. Hydroelastic analysis of very large floating structure in frequency domain

    大型浮體水彈性作用的頻域分析
  10. The frequency analysis of the psychoacoustic model can give the inaudible, redundan elements of audio. in this paper we employ it to guarantee the inaudibility of the embedded watermark

    心理聲學模型的時頻域分析主要用於音頻數據的壓縮編碼，這里主要考慮將其用於音頻水印演算法中去，以便從理論的角度來考慮嵌入水印的不可感知性。
  11. Thirdly, by neglecting the coupling influence, the control laws of pitching, yawing and sloping movements are designed separately with frequency domain analysis and root locus, and then the parameters of the controller are chosen

    第三，忽略耦合影響，將控制系統分為俯仰、偏航、傾斜三個相互獨立的通道，用頻域分析法和根軌跡法設計控制律、選取控制器參數。
  12. In the paper, the theory of electric parameter measurement and analysis is discussed and researched. and the electric parameter automatic measurement system based on singlechip computer embedded sytem is developed according to the requirement of electromagnetic compatibility. the result of the theory research is applied to the system successfully

    本論文是對非正弦波條件下電氣參數測試理論和以傅立葉變換為核心的頻域分析理論進行深入的研究和探討，併兼顧電磁兼容性的要求，研製出基於單片機嵌入式系統的電氣參數自動測試系統，使上述研究成果得以成功的應用。
  13. In the paper, the computing method based on the non - steady wind pressure in frequency domain is applied to the calculation of roof structure of shanghai south railway station

    摘要為了研究結構參數對復雜大跨空間結構風致振動的影響，以上海南站工程屋蓋結構為例，利用基於非定常風荷載的風致動力響應頻域分析方法，對結構的抖振響應進行參數分析。
  14. It is showed in buffeting analysis that the analysis results in time domain agree well with those in frequency domain. effect of pylon wind field can increase the lateral buffeting response of pylon. nonlinear factor can decrease the nature frequency of cable - stayed bridge, and can increase the vertical and torsional buffeting response

    時域抖振分析結果表明：大跨度斜拉橋抖振的時域和頻域分析方法具有較好的一致性；考慮橋塔風效應會顯著增大橋塔的橫橋向抖振響應；非線性因素會降低斜拉橋的自振頻率，會增大斜拉橋的豎向及扭轉抖振響應。
  15. Frequency domain solution of a rotating point source in an infinite duct

    圓管內旋轉點聲源聲學頻域分析
  16. Sequently it deals with frequency characteristics of the rudder and loading systems in matlab and simulate the system with 20 - sim. when improve the loading performance with adding the structure invariance principle to eliminate surplus force. to improve loading performance of loading system controlled by p - q servo - valve, this dissertation analyzes the uncertainties of electro - hydraulic load simulator, then designs a robust controller

    在此基礎上，應用matlab對舵機系統和加載系統進行頻域分析，利用20 - sim軟體完成對系統的時域模擬，並採用結構不變性原理來抑制多餘力干擾，改善系統的加載性能。
  17. We can make frequency domain analysis and disposal with it. the arithmetic has important application in communication engineering

    通過此演算法，可以對信號進行頻域分析、頻域處理，在通訊工程領域有著重要的應用。
  18. It was demonstrated that this sort of load - control apparatus has superior performance. we used a electric transmitter as the transducer to collect the sound signal, using the daq toolbox of the matlab to achieve the collection of the sound signal, and using the dsp toolbox of the matlab and the sound - launch technology to analyze the time - domain characteristic and the frequency - domain characteristic of the signal, chiefly analyze its short - time average amplitude, its short - time over - zero ratio and its estimate of the power chart and the average - period chart

    實驗中使用了駐極體話筒作為球磨機聲音拾取傳感器，利用matlab中的數據採集（ daq ）工具箱實現對磨音的採集，利用matlab信號分析（ dsp ）工具箱和聲發射技術對磨音進行時域和頻域分析，主要分析磨音的短時平均幅度和能量、短時平均過零率、功率譜估計和平均周期圖。
  19. Study of wavelet transform analysis of heart sounds

    頻域分析及其相應的判斷與處理
  20. Frequency analysis of dynamic compaction vibration

    強夯振動的頻域分析
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