解析信號 的英文怎麼說

中文拼音 [jiěxīxìnháo]
解析信號 英文
analytic signal
  • 解 : 解動詞（解送） send under guard
  • 析 : Ⅰ動詞1. （分開; 散開） divide; separate 2. （分析） analyse; dissect; resolve Ⅱ名詞（姓氏） a surname
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 解析 : analysis; resolution; analyzing; resolving解析幾何 [數學] analytic geometry; cartesian geometry; ...
  1. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。
  2. This thesis studies the law of affecting de - noise result and the selection of the threshold and the wavelet function, the combination of wavelet and fft in the fault diagnosis of turbine - generator sets : by the de - noise anslysis of blocks and sin signals, concludes : to blocks signals, usually adopts soft threshold ; the law of affecting de - noise result is when use wavelet auto - de - noise, with the increasing of decomposed level, the de - noise result becomes worse while the level blow the 3, when the level above 3 and when uses wavelet packet, it is the other way round ; the best de - noise methods of the signal is that uses " dbl " wavelet function, three level, soft and " rigrsure " threshold

    本文研究了分解層數對消噪結果影響的規律和閾值、小波函數的選取，結合小波分析與fft分析診斷汽輪發電機組的故障。通過對brocks和sin兩信號的分析，得出：對blocks信號進行分析一般採用軟閾值；分解層數對消噪結果影響的規律為用小波自動降噪在分解層數小於3時，隨著分解層數的增加，消噪結果變好，反之，則變差，用小波包降噪時隨著分解層數的增加，消噪效果變好；適宜選用dbl小波軟rigrsure閾值自動消噪。
  3. This paper applied 3 - d analytical signal technique to the treatment of aeromagnetic anomalies in south china so as to probe into the application effects of analytical signal technique in areas with different geological settings

    本文用三維解析信號技術對華南航磁異常進行了處理，以探索在不同地質背景地區的解析信號技術的應用效果。
  4. The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed

    小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構；小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為，小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性，不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。
  5. By integrating conventional fourie transformation with the smooth average method of spectrum, the high frequency noise was not only removed, but also the signal was smoothed and the main frequency of the signal was found easily and then was extracted as the coarse features of the signal. on the basis, in order to analyze the detail features of the signal, the signal can be decomposed using the db6 mother wavelet function

    在譜分析方法的傅立葉變換中引入平滑平均法對蜂窩結構材料和纖維增強材料聲-超聲檢測信號進行處理，不僅可以有效地去除信號的高頻噪聲，而且可以平滑信號，突出檢測信號的主頻，實現了對檢測信號「粗信息」特徵的提取；在此基礎上，合理選用db6小波基函數，對信號進行小波分解，對信號的特徵進行進一步的細微分析。
  6. It was proposed that oversampling is necessary by analyzing the influence of different sample frequency on the decomposition of sine wave

    對單頻正弦信號的分析結果表明，應用局域波分解對信號進行分析時，要對信號進行過采樣。
  7. In this paper, a variety of familiar signals and channels are firstly analyzed and then the methods of dft and cyclic correlation are introduced

    本文在分析各種常見的通信信號和通道的基礎上，採用了離散傅立葉變換和循環相關方法解決信號載頻偏差的高精度估計問題。
  8. Generalized analytic signal based on fractional hilbert transform

    基於分數希爾伯特變換的廣義解析信號
  9. Chapter 2 : the basics equations and the complex analytical signal theory are introduced

    第二章：首先介紹了porras提出的超短脈沖光束表達式和復解析信號理論。
  10. The paper is mainly discuss the gabor transform, hilbert transform and wavelet transform. through the analysis of gabor transform we can find that the amplitude of gabor transform is sensitive to reservior

    關于解析信號的研究，本文主要以分頻gabor變換、 hilber變換和小波變換為主要研究內容。
  11. As compared with the solution using pulse envelope representation, the propagation equation using complex analytic signal representation reveals different spatiotemporal behaviors such as spectrum redshifting, narrowing, and pulse broadening, etc. 2

    復解析信號解會出現光譜紅移、變窄、脈沖變寬等與脈沖包絡解不同的時空特性。
  12. In particular, based on the complex analytical signal theory, the solutions for the components of a pulsed gaussian - like beam in rectangular symmetry are derived and compared with those derived from slowly - varying - envelop - approximations ( svea )

    本部分給出了時間波形為gauss 、 hyperbolicsecant和lorentz的脈沖光束奇異性的計算模擬，並給出了解決這些奇異性的復解析信號（ complexanalyticalsignal ）解。
  13. It divided the south china magnetic fields on the basis of intensities of analytical signals and, in combination with the achievements in seismic and isotopic geochemical studies of south china granites, investigated the deep geological backgrounds for the division of magnetic fields

    根據解析信號的強弱，對華南磁場進行了分區，並結合地震和華南花崗巖同位素地球化學的研究成果探討了磁場分區的深部地質背景。
  14. But the complex analytical signal ( cas ) theory can erase this spatial sigu - larity. in this section, gauss, hyperbolic and lorentz pulsed gaussian beam have been derived and compared svea and cas solution by numerical simulatio n. in section 3, by using fourier transform technique and applying the paraxial approximation in frequency domain, we derive an integral solution for the transverse and longitudinal components of the light field propagating in free space

    接著，考慮了幾種特殊的脈沖gauss光束（ pulsedgaussianbeam ） ，結果顯示，在此情況下緩變包絡近似（ slowly - varyingenvelopeapproximation ）理論已不再有效，其失效的原因是，該理論導致了脈沖光束解的空間奇異性，並使脈沖光束不再具有符合物理意義的光束行為，而通過復解析信號的分析方法可以消除這種空間奇異性。
  15. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調分析方法存在以下三種局限性：將不包括調制信息（故障信息）的兩時域相加信號，也以其頻率之差作為解調信號而解出；廣義檢波濾波解調分析中，由於取絕對值、檢波或平方過程可能產生混頻效應，在解調譜中表現為無法分析的頻率成分，並由此推導出避免這種混頻現象的采樣頻率的選取范圍，從根本上避免此類誤診斷的產生；幾種細化解調分析新演算法中，因為無法在細化分析的選抽時進行數字低通濾波，有可能會出現調制頻率的高次諧波成分發生頻率混疊而反折到低頻部分的現象。
  16. Wavelet has good localizing quality at time domain and frequency domain simultaneously and the characteristic of multi - resolution ratio analysis, so it can fulfill all kinds of wave - filtering needs such as low - pass, high - pass, sink wave, random noise denoising. compare with readitional wave - filtering methods, wavelet has incomparable advantage. wavelet has become an effective means of signal analysis and is intituled as math microscope of signal analysis

    小波分析由於在時域頻域同時具有良好的局部化性質和多解析度分析的特點，因此不僅能滿足各種去噪要求如低通、高通、陷波、隨機噪音的去除等，而且與傳統的去噪方法相比較，有著無可比擬的優點，成為信號分析的一個強有力的工具，被譽為分析信號的數學顯微鏡。
  17. Analyzed the correlative theory of signal integrity such as reflection, crosstalk, simultaneous switch noise etc in detail, 2. simulated reflection and crosstalk, gave the corresponding waveforms, and summarized the solutions to reducing reflection, crosstalk and ssn, 3. using the method of signal integrity analysis, finished the pcb design of high speed data sampling system independently, 4

    本文所完成的工作主要有以下幾個方面: 1 .對引起信號完整性問題的反射、串擾、 ssn進行了較深入的理論分析; 2 .給出了在常見情況下解決信號完整性問題的一些方法，並進行了相應的模擬驗證; 3 .運用信號完整性分析方法，獨立完成了高速數據採集系統pcb板的設計製作; 4 .完成了系統ad部分的調試。
  18. ( 4 ) signal intergrity is discussed to avoid high speed signal distortion when designing the hardware

    （ 4 ）通過分析信號完整性理論，解決高速信號在pcb設計中的失真問題。
  19. The paper breaks the syntax analysis to two parts : symbol - expression syntax analysis and word - expression syntax analysis, and can makes those two parts transferring each other. this method has the strongpoint of lr ( 1 ) analyzer, at the same time reduces the syntax analysis table

    通過對各種語法分析方法的比較，本文採用了lr （ 1 ）分析方法進行語法分析，並提出了把語法分析分解為信號表達式語法分析和字表達式語法分析兩部分的方法，且實現了二者的相互調用。
  20. In term of this theory, we decompose some simulate signal and pipeline mfl signal by wavelet package transform. then select the best wavelet package base out of the decomposed coefficient and figure the brickwork of the best base on the relevant position in time - frequency plane showing the strong or weak of every coefficient. as a result, the time - frequency structure of signal analyzed is relatively visually represented ; that is to say, an anticipative result achieves

    按照這一理論，我們對一些模擬信號和管道漏磁信號作了小波包分解，然後從中選出最優小波包基，再把被選中的小波包基的相應砌塊表示在時?頻相平面上的相應位置上，並用灰度級別表示這個分量權重的強弱，結果較形象地把被分析信號的時?頻結構表現出來，達到了預期的目的。
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