能量譜 的英文怎麼說

中文拼音 [néngliáng]
能量譜 英文
energy spectrum
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 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)...
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. Study of the burst energy, duration, interval and spectrum suggested that this source could be a strange star accreting matter from its low - mass companion

    天文學家對它的持續時間間隔時間和光進行了研究,發現它可是一顆正在吸取伴星物質的奇異星。
  2. It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust

    研究表明:野外地面射線主要研究地殼巖石土壤中產生的約為30kev 3000kev的射線,這裡面包含著鈾、釷、鉀等天然放射性核素信息,核工程活動產生的大人工放射性核素信息以及射線與地殼相互作用產生的相關信息。
  3. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點,本文提出了一種應用於激光多普勒測速的高精度信號處理技術,即首先利用加hanning窗的welch修正周期圖演算法得到信號功率,搜索其峰值頻率,接著利用goertzel頻細化演算法對搜索的峰進行細化分析,再引入重心頻校正演算法對細化后的峰進行校正分析,從而將離散頻分析演算法、頻細化演算法和頻校正演算法三者有機結合起來,充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率及峰值頻率,通過goertzel演算法獲得分析頻帶的高解析度頻,然後通過重心校正演算法對細化后的頻進行高精度校正,這樣不僅保證了演算法的高效性,而且大大提高了分析的精度。
  4. Radiation spectrums of relativistic charged particles in a dipolar magnetic field were studied numerically in detail by using the current density of moving charged particles in this paper

    摘要從運動的荷電粒子產生的流密度出發,研究了在地球偶極磁場中運動的相對論性荷電粒子的輻射能量譜,並對其進行數值計算。
  5. Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically

    考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子的變化,同時計算了激發發射光的波長。
  6. < uk > since we get continuous rather than discrete allowed values for e 0, the positive - energy eigenfunctions are called continuum eigenfunction. < / uk >

    < uk >由於對e 0得到連續的而非分立的允許值,正的本徵函數叫做連續本徵函數。 < / uk >
  7. The electromagnetic spectrum covers an enormous range of frequencies and energies.

    電磁波包括極大的頻率和范圍。
  8. Frequency - wavenumber energy spectra in isotropic turbulence

    均勻各向同性湍流的頻率波數能量譜
  9. Application of wavelet packet decomposition and its energy spectrum on the fault diagnosis of reciprocation machinery

    小波包分解及其能量譜在發動機連桿軸承故障診斷中的應用
  10. According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear

    最後,將基於連續小波變換的信號處理方法引入變速箱齒輪的磨損估計。根據信號的連續小波變換的能量譜對尺度的積分值,擬合得到齒輪的磨損過程曲線。
  11. Energy spectrum ananlysis using wavelet technique is studied and applied to deal with feature exstraction of missile fault signals, from which a feasible feature vector is created, to be used by the fdes based on inn. parameters for diagnosis are also selected based on two different criteria : the cluster divergence of sample datas and the diagnosis reliability of parameter candidates

    研究了小波能量譜分析技術在地空導彈故障數據特徵提取方面的應用;提出了基於樣本綜合離散度和參數診斷置信度兩種診斷參數選擇的方法,從而為基於集成神經網路的故障診斷做好了準備。
  12. In ultimate - state seismic design, energy spectra have been used for the reliable indices of seismic motions that determine their influences on structural failure and non - linear response. also, energy of ground motion can be viewed an index to incorporate the duration effect on structures, because longer duration usually induces a large energy demand. the duration of ground motion is so sufficiently taken into account

    目前常用的反應,無論是彈性或非彈性的,一個最大的缺憾是它們都沒有充分考慮輸入地震動持時的影響,但在能量譜中由於要反映隨著持時增長引起的變化,因而持時影響得到了充分的考慮,這是能量譜的一個十分重要的特點。
  13. By analyzing the result, three most main factors influencing the calculation accuracy are found : the constitution of wave scatter diagram, interpolating the irregular wave and the estimating of roll damping coefficient

    通過分析計算結果提出了影響計算精度的三個最主要的因素:海浪能量譜的構成、不規則波的合成方法、橫搖阻尼的估算。
  14. Results showed that the samples of different heat treatment technologies of 38crmoal can be comparatively preferable distinguished by real spectrum and phase spectrum of fft. further research on real and image spectrum of fft discovered that using energy spectrum of real and image of fft to discriminate these samples is more compact and convenient

    研究發現用ut信號fft的實部圖結合相位夠相對較好的區分38crmoal鋼的不同熱處理狀態:對ut信號fft的實部和虛部圖的進一步研究表明,用ut信號fft的實部和虛部能量譜來區分熱處理狀態更為簡捷和方便。
  15. Aiming at the common problems about the incline of biochip image, the automatic image rotation correction is realized by analyzing the power spectrum density of image projection

    針對生物晶元掃描圖象普遍存在的傾斜問題,利用圖象投影的能量譜密度,實現對傾斜圖象的自動校正。
  16. From the angles of the energy spectrum and distribution of feature frequency, ways of analysis on the tendency of signal in frequency domain are presented, and a method of solving frequency mixing is discussed

    能量譜和特徵頻率分佈的角度,研究了監測信號的變化趨勢在頻域的表徵,並提出了一種解決小波包混頻現象的方法。
  17. 3 ) the features, which are respectively named wavelet multi - resolution energy feature and wavelet packet energy feature, are obtained by wavelet theory. and the simulation results show that the extracted features are effective

    提取了小波多分辨特徵和小波包能量譜特徵,通過分類器的分類識別,結果表明提取的特徵是有效的。
  18. Through processing of digital signals, the energy spectrum of bearing vibration has been obtained, and the gray incidence dynamic matrix being improved, and the energy spectrum of front and rear shafts being analysed by using the said matrix, and the prediction method of maximal peak value of the ball mill ' s coal pulverizing capacity being put forward

    摘要通過數字信號處理獲得軸承振動能量譜,對灰關聯動態矩陣進行了改進並用其對前後軸能量譜進行分析,提出了磨煤機制粉出力的最大峰值的預測方法。
  19. All records are classified into three site conditions. for the two components of a record, two energy equivalent spectra are calculated, and the geometric mean of the two spectra are adopted to analysis by two - stage regression method using an attenuation model. then the attenuation law is attained

    對每一條記錄,取了兩個分所計算的能量譜的幾何平均值,選擇了衰減模型,利用兩步回歸法,對這些等效速度做了統計擬合分析,得出了地震動四種反應隨震級、距離等參數的衰減規律。
  20. The process of target identification is formulated, which involved feature extraction, dimension reduction and classification. for solving the overlap of each subspace of a wavelet library in frequency, there are two approaches that are best basis ( bb ) and local discriminant bases ( ldb ). their measure and searching algorithm were researched

    從數學的角度描述了目標識別過程,依據cwt和多分辨分析表示信號的特點,提出了以信號尺度?小波能量譜、時間?小波能量譜、多分辨分解系數和各子帶強度為特徵的方法。
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