peak analysis 中文意思是什麼

peak analysis 解釋
巔值分析
  • peak : vi 1 瘦弱;消瘦,憔悴。2 減少,縮小 (out)。n 1 山峰,山頂;孤山。2 (胡須等的)尖兒;尖端。3 最...
  • analysis : n. (pl. -ses )1. 分解,分析;【數學】解析。2. 梗概,要略。3. 〈美國〉用精神分析法治療(= psychoanalysis)。
  1. 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譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜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譜及峰值頻率,通過goertzel演算法獲得分析頻帶的高解析度頻譜,然後通過能量重心校正演算法對細化后的頻譜進行高精度校正,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。
  2. Based on the analysis of the fishing capture monitoring data, which obtained from 5 deep water drift net fishery resources investigation boats from april 1998 to march 2001, the results indicated that the psenopsis anomala which took accounted for 8. 68 % ~ 27. 16 % of the total catch, was one of the three preponderant species in the northern part of the east china sea and southern part of the yellow sea. ( branchiostegidac ranked first, followed by the psenopsis anomala or argyrosonus altetnate ). the yearly quantity distribution concentrated in summer and autumn, and reached the peak in latter summer to early autumn

    摘要根據對5艘深水流網資源信息船1998年8月~ 2001年3月連續漁撈調查資料進行分析研究,結果表明:刺鯧是本海域深水流網漁業的三大優勢種之一(方頭魚占首位,刺鯧和白姑魚年間變動量相互交替) ,占年總漁獲量的8 . 68 % ~ 27 . 16 % ;周年數量分佈集中在夏、秋季,全年數量最高值出現在夏末初秋。
  3. As we were getting the extra, unseparated, duplet or splitted peak in our analysis ( done in presence of chinese people even with using their column and method ) these chromatograms are also exhibiting the unseparated, duplet, splited extra peak at the r. t. 2. 42 and 2. 54 having the equal basemarking width of only one peak compaired to other peaks of the impurities

    我們在分析時得到了額外的未分離的峰、對峰或裂峰(在中方人員面前當場試驗,甚至使用中方人員的色譜柱和分析方法時也是如此) ,這些色譜圖在保留時間為2 . 42和2 . 54分鐘時也呈現出額外的未分離的峰、對峰和裂峰,與雜質的其它峰相比,這些峰的峰底寬不相上下。
  4. There appears obvious apoptotic peak on dna content curve of facs analysis. and as the time of bfgf treatment increases, percent of apoptotic cells increases. 3

    在流式細胞術dna含量曲線上顯示出明顯的亞二倍體峰(凋亡細胞峰入並且隨著bfgf作用時間的延長, u2 os細胞凋亡百分比逐漸增加。
  5. Analysis on impedance peak in rl - c parallel circuit

    並聯電路阻抗極值的分析
  6. Analysis of peak - shaving and storage of town gas

    城市燃氣調峰與儲存問題的分析
  7. Through the analysis of application effect of heat - stored electric boiler in changdu hotel, the article brings forward that the system s benefit for the environmental protection and peak load shifting and improvement of the economic operation level of the power grid

    摘要通過蓄熱式電鍋爐系統在昌都飯店的實際應用效果分析,提出採用該系統有利於保護生態環境,有利於電網移峰填谷,提高電網經濟運行水平。
  8. Study shows that the basic principles of three existed methods for phase difference correction on discrete spectrum are identical, by which the twice fft analysis through time - domain shifting time series or changing window ' s length is performed, and the spectrum by making use of the phase difference of two corresponding peak lines are finally corrected

    在研究時域平移的離散頻譜相位差校正方法和改變窗長離散頻譜相位差校正方法的基礎上,發現這幾種離散頻譜相位差校正法的基本原理是一致的,就是通過時移和加不同的對稱窗進行兩次fft分析,並利用離散頻譜對應峰值譜線的相位差以求得頻率和相位校正量。
  9. One theory and arithmetic " dual filter scan " of seeking peak in spectral analysis is brought forward and used for demarcate of spectrum and other analysis

    提出光譜分析尋峰的一種原理和實現的演算法「兩層掃描篩法」 ,用於光譜的標定和其它分析。
  10. It ' s a more accurate method in determining the isotopic abundance of uranium. the paper describes the measurement principles that allow accurate measurements to be taken on samples of arbitrary size, shape, and measurement geometry - and of arbitrary physical and chemical composition - through the use of know nuclear decay data ( half - lives and branching intensities ). this method relies on internal gamma - ray peaks from the spectrum under analysis to self - calibrate the unknown spectrum for energy and peak shape

    本工作首次分析了pc fram軟體的演算法並使用高純鍺探測器探測歐共體低濃鈾標準樣品,使用pc fram軟體的預設參數並不能得到準確的富集度值,通過大量的實驗,本工作對鈾富集度測量中的關鍵問題進行了初步的研究並給出了本實驗室條件下準確分析鈾富集度的修正參數和條件。
  11. A combined neural network and genetic algorithm with solving stability safety of homogeneous slope was proposed and the finite element method is applied to analysis the progressive failure process of the slope and the maximum equilibrium theory, requests out stability safety of homogeneous slope with the smooth arc radius of difference with the difference below the level coordinate of arc peak, utilizing the neural network algorithm to establish slidng the nonlinear mapping relationship between level coordinate of arc radious and arc peak, being adapted the neural network algorithm to look for along the minimal stability safety of homogeneous slope and corresponding arc radious and arc peak

    提出了求解邊坡穩定性安全系數的神經網路與遺傳演算法。該方法採用有限元分析和極限平衡理論,求出不同的滑弧半徑和不同的弧頂水平坐標下的邊坡穩定性安全系數,利用神經網路演算法建立滑弧半徑和弧頂水平坐標與安全系數之間的非線性映射關系,採用遺傳演算法搜索邊坡的最小穩定性安全系數及相應的滑弧半徑和滑弧中心坐標。
  12. Theoretical analysis indicates, the two technology helps reduce the concentration of current, lower the peak junction - temperature, and effectively avoid the appearance of devices " breakdown caused by heat and current

    理論分析表明:上述兩種技術,有利於減小電流集中現象,降低器件峰值結溫,避免熱擊穿和二次擊穿的發生。
  13. After analysis of the xrd data, an obvious small peak was observed at 29 = 32. 62 ? the experimental results showed that the improved stabilization of the porous silicon layers was due to the formation of sio2 ( 1103 ) structure in the internal surface

    Xrd光譜顯示在2口= 32 . 620出現了一個小峰,揭示了經過過氧化氫后處理后多孔硅表面形成了一層二氧化硅( l10刀)脫,從而提高了多孔硅厚膜的穩定性。
  14. System imitation analysis in the time domain indicates that the amplitude and peak of displacement at the joint between cable and mast are both reduced, and the fatigue life of guyed mast is increased. adjusting the location of mr damper can efficiently reduce the displacement on the top of guyed mast induced by wind

    模擬分析表明可以有效地減小桅桿結構纖繩與桿身連接處的位移響應的幅值與峰值,能提高結構的疲勞壽命,通過調節mr阻尼器的作用位置可以改善對桅桿頂部位移響應的控制效果。
  15. On the basis of a lot of experimental data based on the orthogonal test of pulse peak electric current, pulse width and pulse intermission, experimental mathematical models of electric spark forming of several sorts of materials are built up with multiple linear regression analysis

    摘要用正交試驗法對電火花加工中的峰值電流、脈沖寬度、脈沖間隔進行設計,在大量實驗數據的基礎上,採用最小二乘法建立實用的多種材料的電火花加工實驗數學模型。
  16. Was added, the absorption of morin at 350nm decreased and a new absorption peak at 419nm appeared. adding of nucleic acids to the morin - al binary system leads to decrease of the absorption at 350nm and great increase at 419nm. there is an isochromatic point at 370nm. the increase of absorbance at 419nm is proportional to the amount of nucleic acids added within certain concentration range. based on this, a new sensitive nucleic acids analysis method is established. the linear ranges of ct dna, fs dna and y rna are 0. 7135. 4 0. 6425. 6 and 0. 9428. 4g ml, respectively

    鋁離子的加入使桑色素350nm處的吸收峰下降,在419nm處出現桑色素-鋁絡合物的吸收峰。再往桑色素-鋁離子二元體系中加入核糖核酸或脫氧核糖核酸,則進一步引起桑色素350nm吸收峰的降低, 419nm處的吸收大大加強,同時在370nm處有一等色點。 419nm處吸光度的增加值與加入的核酸量在一定范圍內成正比,基於此建立了在較寬范圍內測定核酸的方法。
  17. Method based on component analysis ( peak value pick - up ) and global orthogonal polynomial subsection fitting to obtain system damping ratio, natural frequency and modal shapes is especially described

    著重描述了分量分析法(峰值拾取法)和整體正交多項式分段擬合法提取系統固有頻率及其振型的方法。
  18. Abstract : based on the results obtained from seismic safety evaluation of 128 engineerng sites in china, statistics and analysis of relevant intensities with differient probability levels and peak acceleration are made to provide parameters of probability levels of earthquake resistance in the seismic design code

    文摘:以全國范圍內128項工程場地地震安全性評價結果為基礎,對不同概率水平相應的地震烈度和加速度峰值進行統計分析,為合理確定抗震設計規范中設防地震的概率水平提供了依據。
  19. Cost - benefit analysis model and its application of peak - valley time - of - use electricity price

    峰谷分時電價的成本效益分析模型及其應用
  20. Initial recovery voltage and peak recovery voltage across the circuit - breaker have an essential affect on re - strike. for assessing performance of circuit - breaker, the higher inductance and lower inductance must be considered at the same time when testing according to theoretic analysis, the directly test circuit on switching the no - load overhead by high - voltage circuit breakers of rated voltage 252kv and below, in compliance with the correlative standard jb5871 and the test devices, and the test circuit parameters have been calculated and the many testes have been carried out

    在理論分析的基礎上,考慮實驗室現有設備的情況依據標準jb5871的規定,選用合適的試驗設備,對試驗線路的參數進行計算,在實驗室建立了252kv及以下電壓等級斷路器開合線路充電電流直接試驗線路,利用該線路進行了數臺產品的試驗,分析了試驗結果,並根據試驗結果和理論基礎討論了gb t1984 - 200 《交流高壓斷路器》 (報批稿)關于開合線路充電電流試驗的有關規定。
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