第二振型 的英文怎麼說

中文拼音 [dìèrzhènxíng]
第二振型 英文
second vibration mode
  • 第 : Ⅰ助詞（用在整數的數詞前 表示次序） auxiliary word for ordinal numbers Ⅱ名詞1 [書面語] （科第） gr...
  • 二 : Ⅰ數詞（一加一后所得） two Ⅱ形容詞（兩樣） different
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 第二 : 1. （序數） second 2. （姓氏） a surname
  1. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。
  2. All data indicated that f i was a pure substance. third, using modern analytic techniques such as nucleic magnetic resonance ( nmr ), infrared spectroscopy ( ir ), ultraviolet visible absorption spectra ( uv ) and mass spectrometry ( ms ), we analyzed the basic chemical structure of f i and nominated it phthalic acid di ( 3 - methyl ) nanyl ester ( pdne ). we estimated primarily it was a novel natural compound

    第三，利用核磁共振，紅外光譜，紫外分析，質譜等現代分析測試技術對分離提取物f進行結構鑒定，解析出f的結構，初步推斷該物質為鄰苯二甲酸- （ 3 -甲基）壬酯（ pdne ） ，根據目前所掌握的資料，還沒有檢索到該物質相關的報道，初步認定為一種新型的天然產物。
  3. Second, through employing the 3 - d finite element model and the dual objective function inversion method developed in this paper, and taking the measured fundamental frequency of system and the structure response to a harmonic excitation at the top of structure in field as the reversion objectives, the linear material parameter inversion is performed in ansys by using ansys parameter design language ( apdl )

    第二，採用三維實體有限元模型和本文提出的雙目標函數反演方法，把現場測試得到的系統基頻和頂部激振下實測的結構動力響應作為反演目標，利用ansys參數設計語言（ apdl ） ，在ansys軟體中實現了系統材料線性參數的反演。
  4. It is shown by structural seismic response of four wavelets that littlewood - paley wavelet is not suitable for structural seismic response, because structural response is too small, meyer wavelet is a better wavelet for structural seismic response, for it ' s structural response is agreement with the finite element method, and also harmonic wavelet, structural response under earthquake is a little bigger than finite element method, structural response under odd exponent wavelet is also bigger than finite element method, this method is very simple by wavelet transform, wavelet transform method is different from old methods, one is with which not only knows the effects of earthquake wave detail frequency - band on structural response, but also considers earthquake wave ' s non - stationary of frequency and time - domain value, another is the second mode shape and higher mode shape response that do n ' t attenuate so fast

    通過對這四種小波的結構地震反應分析研究說明： littlewood ? paley小波不適合於用來作結構地震反應分析，因為在littlewood ? paley小波下的結構地震反應太小，不符合實際情況；用meyer小波作結構地震反應分析比較合適，和有限元法的結果比較接近；也可以用諧波小波來作結構地震反應分析，只是在諧波小波下的結果略為偏大；單邊指數小波下的結構地震反應分析比有限元法稍大一點，它通過小波變換大大簡化了結構地震反應分析。用小波變換方法來進行結構地震反應分析和以往方法不同的是：它不僅可以知道地震波的具體頻率段對結構反應的影響，而且同時考慮了地震波的幅值非平穩性以及頻率非平穩性；另外與以前方法得到的結果有差異的是，第二振型及以後的高一點的振型的反應沒有以前的方法衰減得快。
  5. This thesis will present a new simple method to calculate the seismic response of the framed structures. this method calculates the effect of the first and second modal vibration. the first modal shear force of every floor distributes according to the shape which is close to the first modal shape

    本論文提出了一種新的計算框架結構地震作用效應的簡化方法，考慮前兩個振型的作用，對于第一振型的各層剪力，按照近似於基本振型的形狀分佈，第二振型各層剪力引用廖河山提出的方法計算，然後用將兩個振型的剪力「平方和開平方」的方法，計算得到各層剪力（總效應） 。
  6. However, it is found that the second or the third order mode shape rather than the first order, are responsible for the seismic responses on free surface under many case in this paper

    然而採用等效非線性化直接分析士層地震反應的實例計算結果表明在很多情況下，對場地地震反應起主要作用的不是第一振型而是第二、三階振型。
  7. Chapter 2 compares the differences of the current - fed converter and the voltage - fed converter used in induction heating power, then induces the power regulation methods of the series resonant inverter and compares the characteristic of these methods. and then, a capacitive pwm & pfm control method which is suitable for medium and small power out induction heating is given

    第二章對感應加熱電源中的電流型逆變器和電壓型逆變器作了比較分析，歸納了串聯諧振逆變器幾種常用的調功方法，對這幾種控制方法的優缺點進行了比較，提出了適用於中小功率感應加熱的容性pwm & pfm控制方法。
  8. This article basing on the summery of the quiver problem of the importing 300 mw set, take the. # 1, # 2 set in the jingyuan power ins corp as the research subjects with the methods of shafting simulation test and spot test, analysed the quiver problem of the imported 300mw set and deal the quiver of the generator by using the result

    本文在總結國內已有的引進型300mw火電機組振動問題基礎上，以靖遠第二發電有限責任公司# 1 、 # 2機組為主要研究對象，採用軸系模擬實驗以及現場試驗的方法，對引進型300mw火電機組振動問題進行了分析，並應用分析結果對發電機振動過大的問題進行了處理。
  9. The main job proceeded : collecting the data through investigation, summery the chracteristic of the quiver of the imported 300mw set to solve the quiver problem of the imported 300mw set, basing on the # 1, # 2 sets of the jingyuan ins corp and choosing the effiction of the aggravated plane, the changed stiffness of the # 4 bearing and # 7 bearing obtained the test result which can be used to be the conductor to solve the too bad quiver problem of # 5, # 6 axletree tiles in the # 1, # 2 sets of the jingyuan ins corp. outcome of the paper : analyse and sum up the main reason of the imported 300mw set ' s quiver through see much literature

    針對靖遠第二發電有限責任公司# 1 、 # 2機組振動的具體情況，選擇各加重平面對軸系振動的影響、 # 4軸承變剛度、 # 7軸承變剛度變標高等項目，在300mw軸系模擬試驗臺上進行了模擬試驗，獲取了大量的試驗數據，得出了具有實際指導意義的試驗結論；針對靖遠第二發電有限責任公司# 1 、 # 2機組發電機# 5 、 # 6軸承瓦振過大的問題，通過剛度調整試驗的方法，較好的解決了問題。通過本文研究取得了如下成果：在閱讀了大量文獻資料的基礎上，對國內引進型300mw火電機組的振動特徵、振動的主要原因進行了分析和總結。
  10. Second, based on the basic theory, the constitutive models describing superelasticity behavior of shape memory alloys were summarized here and the factors influenced superelasticity were analyzed. the advantages and disadvantages of every kind of constitutive model were also summarized. third, the sma rubber bearings ’ optimized designing are proposed and designed utilizing superelasticity of sma materials, the corresponding theoretical models are developed and design methods are given

    第一，總結了國內外關于形狀記憶合金在結構減震、隔震以及振動控制領域的研究進展和應用情況，並對各種形狀記憶合金控制裝置進行了對比分析，展望了形狀記憶合金在結構振動控制中的發展方向;第二，從基本理論出發，綜述了目前國內外描述形狀記憶合金超彈性行為的本構模型，並分析總結了影響超彈性的因素，以及各種本構模型在描述形狀記憶合金超彈性方面的優缺點。
  11. We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r

    第二部分我們考慮具時滯非線性cnn系統模型，得出方程單調行波解存在，並將波速c r分成若干個區間，得出c在各個區間時行波解曲線相應的類型包括單調、衰減振動、周期振動、無界等類型。
  12. It is shown by the two - stories frame model shake - table test that the contrast two response of acceleration based on wavelet and experiment draws on such conclusion : littlewood - paley wavelet does not agree with the test, so it is not suitable for structural seismic response, because structural acceleration response is too small. the wavelet transform result of acceleration response based on meyer wavelet, harmonic wavelet and odd exponent wavelet agree with the test, thus they can be used to analyze structural seismic response. the analysis of earthquake ground motion energy and structural energy response based on these three wavelets ( littlewood - paley wavelet, meyer wavelet, harmonic wavelet ) shows that we can calculate earthquake ground motion energy by the record of acceleration, because the wavelet coefficient includes time - domain energy and frequency - domain energy

    通過對二層框架模型進行振動臺試驗研究說明：從小波變換得到的加速度反應和模型上的第一層及第二層的試驗測得的加速度比較得出的結論是， littlewood ? paley小波不適合於用來作結構地震反應分析，因為在此小波下的結構加速度反應太小，和實驗情況不符； meyer小波、諧波小波、單邊指數小波這三種小波從理論上得到的加速度反應同實驗測得的加速度過程比較吻合，因此從試驗上證明用meyer小波、諧波小波和單邊指數小波來作結構地震反應分析是比較合適的。
  13. Chapter 2 introduces the surface acoustic wave propagation property in piezoelectric substrate and the wireless sensing principal of passive saw resonator ; explains the construction, operation principal and flow process chart of the wireless interrogating system

    第二章介紹了壓電體中saw的傳播特性和saw諧振器型傳感器的工作原理，並對無線查詢系統（中國專利， zl0222116022 ）的組成、工作原理、工作流程做了必要的描述。
  14. Third, through employing the 2 - d lumped mass model and the single period objective function inversion method developed in this paper, and taking the measured structure response to a harmonic excitation at the top of structure in field as the reversion objectives, the linear physical and mechanical parameter inversion is performed in ansys by using apdl

    第三，採用二維集中質量模型和本文提出的單周期目標函數反演方法，把頂部激振下實測的結構動力響應作為反演目標，利用apdl語言，在ansys軟體中實現了系統線性物理力學參數的反演。
  15. The second chapter will consider three two - level atoms initially in the ghz state, then an atom of them will be put into an initially empty cavity and make resonant interaction. after manipulating the atoms outside the cavity, we will consider the change of the squeezed feature of the cavity. moreover, this result will be generated to n two - level atoms

    在第二章中，我們提出了這樣一個模型，就是將處于ghz態的若干兩能級原子中的一個注入到與之共振的真空腔場中，然後對腔外的原子分別進行旋轉和測量操作，來研究操作前後腔場單模壓縮性質的變化。
  16. We investigate in section 1 the oscillation and nonoscillation of nonlinear neutral difference equation, ith continuous arguments, and get a sharp condition of the oscillation. some comparison theorems are studied for the oscillation and nonoscillation of linear neutral difference equation, ith continuous arguments in section 2. in section 3, e investigate the existence and asymptotic behavior of nonoscillatory solutions of second order neutral delay difference equation

    第一節中研究具有連續變量的非線性中立型差分方程的振動性與非振動性，得到了振動性的「 sharp 」條件：第二節研究了具有連續變量的線性中立型差分方程振動性與非振動性的一些比較結果；在第三節我們研究了二階中立型時滯差分方程的非振動解的存在性與漸近行為； g
  17. The fourth, mainly talk about the phase noise in the pll, and discuss the specific affect on out put phase noise caused by different components in frequency synthesizer, such as mixer, amplifier, multipler, divider, oscillator, phase detector etc. the last part is about how to choice the natural frequency of pll in order to get the better performance in phase noise

    第二章從鎖相環的基本原理出發，介紹了鎖相環的幾個基本部件:鑒相器?環路濾波器和壓控振蕩器，對線性化鎖相環進行了詳細的分析，對數字鎖相環做了詳細的介紹，分析了鎖相環的相位噪聲模型，討論了頻綜中的混頻器
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