頻譜表示 的英文怎麼說

中文拼音 [bīnpǔbiǎoshì]
頻譜表示 英文
frequency spectrum designation
  • 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...
  • 譜 : Ⅰ名詞[書面語]1 （按類別或系統編成的書或冊子等） table; chart; register 2 （指導練習的格式或圖形）...
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 示 : Ⅰ動詞（擺出或指出使人知道; 表明） show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] （給...
  • 頻譜 : frequency spectrum; frequency content; spectrum; power density spectrum; power spectrum; [系統] s...
  • 表示 : show; express; mean; indicate; expression; presentation; signifying; remark; representation
  1. Acoustics ; spectra and frequency curves, concepts, representation

    聲學.聲譜和頻譜曲線.概念表示法
  2. A method and system are disclosed for constructing a power spectrum based connection admission control table and using such a table in a communications network, such as an atm network

    本發明揭示一種建立頻譜允諾控製表的方法以及系統架構，並將這個控製表應用在通訊網路如非同步傳輸模式網路中。
  3. Surely it can substitute the voltage meter, four channels oscilloscope and frequency analysis meter

    該測試儀可以看作是電壓表、頻率表、示波器和頻譜分析儀等儀器的集成。
  4. Specific regions of the spectrum can be identified by any one of three basic parameters: frequency, wavelength, or energy.

    頻譜的特性可用頻率、波長或能量三個基本參數中的任何一個來表示。
  5. Method of expression of the properties of spectrum analyzers

    頻譜分析儀特性表示法
  6. Expression of the properties of spectrum analyzers

    頻譜分析儀性能的表示法
  7. Abstract : applying the frequency - domain representation of the complex signals in a three - phase system, a harmonic detection method based on the in - phase correlation filtering was put forward in this paper, which can be used to detect effectively the generalized harmonics in the three - phase system except the fundamental of positive sequence

    文摘:採用三相系統復信號的頻域表示並根據頻譜搬移原理，本文提出了一種基於同步相關濾波的諧波檢測方法，可用於三相電路中除正序基波以外廣義諧波的有效檢測。
  8. Random process theory is a kind of effective mathematical tool to handle random vibration problem. through frequency spectra and time domain analysis for random course, the seemed complex vibration time - history can be transferred to trigonometric function series, thus makes it have certain periodic feature

    隨機過程是處理隨機振動問題的一種有效的數學工具，通過對隨機過程進行時域分析和頻譜分析，可以將看似非常復雜和毫無規律的隨機振動表示為三角函數的級數形式，從而使其具備了一定的周期性特徵。
  9. To solve it, the differential equation set is transformed by fourier transform and the dynamic differential equation in the form of matrix is educed. the calculation formulas of frequency response function of vehicle vibrating system, acceleration power spectrum density function are put forward

    用分析力學法建立整車動力學模型，推導出以矩陣形式表示的運動微分方程，並通過傅氏變換給出汽車動力學系統的頻率響應函數、加速度功率譜密度函數的計算公式。
  10. It ’ s known from the transportation function that the dispersion can only influence the phase of optical pulse ’ s spectrum, which can be easily described by a frequency transfer function

    該方程表明:色散效應只會影響頻譜的相位，而對頻譜的強度分佈沒有影響，而且色散效應可以簡單的由傳遞函數表示出來。
  11. " the country dtt technical standard of china and frequency plan coordination with mainland authorities are interrelated issues. these technical issues are important because they affect the consumers as well as the success, or failure, of the future dtt industry, " said hoi - ying ( h. y. )

    亞洲電視有限公司高級副總裁鄺凱迎先生在今日（二月二十八日）的記者會上表示：中國內地採用的數碼地面電視制式，以及與內地機關的頻譜規劃協調是息息相關的議題。
  12. First, the methods and procedures of general three orders nonlinear identification are summarized and the results are frequency functions described by basic and high order spectral density functions and frequency response functions

    首先，系統總結了使用一般三階非線性模型辨識的方法和步驟。得到的結果是用基本的和高階的譜密度函數以及基本的和高階的頻率響應函數表示的頻率函數。
  13. Finally in chapter 6, the problems of boundary conditions and incident wave, as the most valuable problem of mrtd as a time - domain method, are studied. this chapter presents the simulation results of the electromagnetic propagation and its interactions with the dielectric slab and analyse of the graph of the reflection coefficient in frequency. compared with fdtd results, the numerical results, obtained using the mrtd method, show the directness and conciseness of mrtd as a time - domain method and the advantages in grid enlargement and saving computer resource etc.

    最後，第六章討論了mrtd作為時域數值技術最具實際應用價值的邊界條件設置和入射波加入等問題，並給出模擬電磁波傳播過程和介質板反射系數頻譜分析，其數值結果表明了mrtd作為時域方法的直觀簡練，與fdtd方法的結果比較，顯示了其在擴大網格、節省計算資源等方面的優勢。
  14. By analysis of frequency spectrum based on matlab platform, wavelet method in the application of cutting out a section of inputting earthquake wave was presented. in the process of pseudo dynamic test results, the method of non - dimensional representation and analytic representation of hysteretic curve was provided. the above two methods will help to compare dissipation energy capacity of this structure at the different acceleration peak value stage of pseudo dynamic test more precisely and comparably

    通過基於matlab的地震波頻譜分析，說明了小波分析方法在擬動力試西安建築科技大學博士學位論文驗中地震波截取方面的應用；在擬動力分段試驗數據的處理方面，本文將試驗結果的無綱量表示方法以及曲線的多項式擬合法引入滯回曲線的數據處理，這將有助於擬動力試驗不同加速度峰值條件下，各階段結構耗能能力的客觀比較。
  15. After the systemic comparison of the two methods, the detail applicable conditions have been suggested. by the physical model tests and various methods, the frequent spectrum and the directional spectrum of incident waves and reflected waves of slope breakwater have been investigated systemically, and the bulk reflection coefficients, the directional spreading of reflection coefficients and the frequent spect

    通過物理模型試驗，系統地研究了斜坡堤前入、反射波方向譜的分離計算，採用mtpm分析得到了單向（包括斜向）不規則波的總體反射系數和反射系數頻率譜（隨堤坡變化）以及由iribarren數表示的包含堤坡影響的反射系數頻率譜。
  16. The system is compatible with the various different types a / d converters, carry out the functions of the vibration signal sampling, the saving of data file, the timely wave showing, the configuration table edit, the former data return and data analysis etc. the functions of signal analysis include the time field statistics analysis, the time field mutual analyzing, the frequency spectrum analyzing, the relevant analysis, the transmission function analysis, the demodulating analysis, and the short fourier transformation of the time and frequency field etc. experiments verify that the system carry out stably and credibility, various functions is achieved, has precise analyzing results, high calculating speed and high precision, the expected targets have been reached

    該系統可以兼容多種不同型號的數據採集設備，實現了振動信號的採集、數據文件的存儲、波形的實時顯示、組態表編輯、歷史數據回放與數據分析等功能。系統的信號分析功能包括時域統計分析、時域相關分析、頻譜分析、相干分析、傳遞函數分析、解調分析以及時頻分析中的短時傅立葉變換等。經試驗驗證表明，系統運行穩定可靠，各項功能工作正常，數據分析結果準確、運算速度快、精度高，達到了預期設計目的。
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