振幅模 的英文怎麼說

中文拼音 [zhènfúmó]
振幅模 英文
amplitude mode
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 幅 : Ⅰ名詞1. （布帛、呢絨等的寬度） width of cloth 2. （泛指寬度） width; size 3. （姓氏） a surname Ⅱ量詞（用於布帛、呢絨、圖畫等）
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  1. Using ewb to simulate amplitude modulation and detection

    對振幅調制與檢波電路進行模擬
  2. For the anticounterfeiting of printings ( such as certificate ), the existent many ways ( such as rainbow holograms ) are not available as the need for special use : anti - distortion and anti - copy. basing in the double - random - phase transform, this article puts forward a new way that two - dimensional bar code is used as anticounterfeiting label with anti - printing ? scanning and anti - damage properties. the major job are : ( 1 ). basing in the ascii codes, numerals and alphabets are encoded and subsequently transformed into two - value bar code matrix figure. later, using amplitude - based double - random - phase transform, the enciphered gray scale figure is formed. by computer simulation ( 4f system ) and printing as well as scanning ( 20 times ), we get the result that the gray scale figure with little miscoding rate ( 0. 0026 ) by “ matrix expanding way ”

    本文主要開展了以下三項研究工作: （ 1 ） .用自定義編碼方案，將數字和字母（ ascii碼）轉換成二值條碼圖;對該圖形進行振幅型雙隨機相位加密變換，得到原信息的加密灰度圖;通過4f光學系統計算機模擬和列印-掃描實驗，證明本文提出的「矩陣擴展法」灰度圖具有較小的誤碼率，對於20次列印-掃描實驗，誤碼率不大於0 . 0026 。
  3. Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features

    本文首先介紹了情感語音數據庫的建立情況，然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用，並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選，應用人工神經網路建立了初步的語音情感識別模型，經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。
  4. In this paper, the signal processing of sum and difference patterns of amplitude dual - plane monopulse radar and the effect of amplitude - plane non - consistency are analyzed from the coordinates relationship of four - horn antenna at length, and its corresponding simulation is verified, which bring convenience to engineering implementation

    文中從四喇叭天線的位置坐標關系，詳細分析了雙平面振幅和差式單脈沖雷達信號處理過程以及三通道幅相不一致性的影響，並且進行了相應的模擬，為工程實現帶來了很大的便利。
  5. The beam division method in maskless laser interference photolithography can be divided into wave - front division and amplitude division

    摘要無掩模激光干涉光刻中的分束方法一般有波前分割和振幅分割。
  6. First, it was taken that a discuss about the effects of geometry parameters of each piezocrystal on direction parameters ( main lobe width, side lobe amplitude, elimination of grating lobes ), amplitude of ultrasonic pressure, element viberation pattern, mutual radiation among elements, efficient test regions, ability to keep accurate and near - field distance and so on. based on the direction of ultrasonic field in ulpa deduced by ourselves. in addition, on the base of integrating all kinds of factors, it was put forward that the principle and method for optimized design of geometry parameters of piezocrystals in ulpa transducer, and its design programme and interface were compiled

    首先在推導超聲相控線陣換能器聲場的指向性的基礎上，就各個晶片幾何參數對指向性指標（主瓣寬度、旁瓣幅度、消除柵瓣） 、聲壓幅值、陣元振動模式、陣元間互輻射、有效檢測區域、精確控制能力、近場長度等方面的影響進行了論述，並在綜合各方面影響的基礎上，提出了晶片幾何參數優化設計的原則和方法，編寫了設計程序和界面。
  7. A new method for measuring the vibration of shadow mask without touch by detecting the light density with reflection type optical fiber sensor is presented. the measurement system based on the new method is designed to make the vibration measurement easier working, faster calculating, and get more precise results. it is an important measurement and analysis tool to improve the performance of shadow mask and display quality of cpt

    本文提出了基於單光纖光強度反射法的非接觸式微振動測量系統的原理，並設計製造了該測試系統，探索出了簡單方便可靠的測量方法，能夠準確客觀地反映蔭罩振動的各項參數（各振動模的振動頻率、振幅、衰減時間） ，實現了測試裝置的簡便化和測試過程的自動化，為cpt張緊式蔭罩系統的性能改進與顯示質量的提高提供了有效的測試分析手段。
  8. Secondly, nonlinear threshold of two - dimensional rt instability was analyzed in planar and cylindrical and spherical geometries. density amplitude was defined relating to instable interface and formulae of nonlinear threshold values for rt instability in three geometries were given, then the lared - s code was used to simulate two - dimensional rt instability in three geometries and simulation results agreed well with the formulae

    其次，討論了二維平面、柱和球幾何中rt不穩定性發生非線性偏離的閾值問題，給出了三種幾何中密度擾動振幅的非線性閉值公式，並且用lared一s程序進行了檢驗，計算結果表明柱和球幾何中的模藕合機制與平面幾何不同，存在幾何效應的影響。
  9. 2. a systematic test has been carried out to observe how the model actuating frequencies and amplitudes affect the flutter derivatives, and the effect is found to be quite minor

    通過系列試驗考查了模型驅動頻率和振幅對顫振導數的影響，驗證了驅動頻率和振幅對顫振導數影響很小。
  10. According to elastic mechanics theory and langrage equation, the first order shape function dynamic equation of tension weight of belt conveyor is derived, and the four series of experienced formulas is established, which provide theoretical instructions for determining the location of tension weight and the depth of concealed pit. 1fig., 2tabs., 5refs

    根據彈性理論和拉格朗日方程，導出了帶式輸送機平衡錘的一階模態動力學方程，求出了4組便於估算平衡錘振幅的經驗公式，該經驗公式為平衡錘的靜平衡位置及暗井深度的確定提供了理論指導.圖1 ，表2 ，參5
  11. Effect on the characteristics of fatigue life of composite soils and dynamic modulus were discussed. the deformation behavior of stabilized soil on static and dynamic loading were compared. the characteristics of frequency spectrum of composite soils were analyzed in the thesis

    對水泥?水玻璃加固土進行循環荷載下的疲勞試驗研究，分析水泥?水玻璃加固土的疲勞壽命及其影響因素，以及固結土的動模量特徵，並對水泥土在動、靜荷載作用下的變形特徵進行比較，分析對比不同振幅與頻率的動荷載作用下的水泥加固土的應變響應及其頻譜特性。
  12. Finally, using the forward 1 - d modeling and amplitude versus offset ( avo ) technology i examine the three micro models to infer the possible cause of bsr, blanking zone and analyze the validity of avo in hydrate research

    最後，通過採用一維正演模型和振幅隨偏移距變化（ avo ）技術，逐一考察了三種微觀模型，進而推斷出bsr以及空白帶產生的可能原因並分析了avo技術在水合物研究中的適用性。
  13. By employing the theory of operator representation, the reflection / transmission operator is decomposed into the form of double domains in the scheme, so it is adaptable to laterally heterogeneous media and fluctuating reflectors, can mimic ava of reflections when the incident angle is less than 45

    文中利用運算元可分表示理論將反射透射運算元分解成適合於雙域（空間域和波數域）運算的表達形式，使得本文得到的地震波數值模擬演算法可適應於一定程度橫向非均勻介質和界面起伏情況，在入射角小於45時能夠準確模擬振幅隨入射角（ ava ）的關系。
  14. ( 2 ). according to the system indices and requirements together with the technology characteristic, it researches the capture possibility of apt capturing system. then it introduces the common scan methods, such as raster, spiral, raster spiral, rose and lissajo. ( 3 ). it makes a detailed simulation analysis of the raster and spiral scan, analyze the connection between capture probability, capture time, system index at different capture resolution angle, capture range, vibration angle extent and terminal location distributing mean square deviation

    其中對幾個關鍵部分進行了詳細分析:計算了目標角反射器的激光雷達散射截面（ lrcs ）值，研究了qd與ccd對目標位置角度的計算方法和空間解析度; （ 2 ）根據系統指標和要求並結合現有國內技術特點研究了apt捕獲系統掃描的捕獲概率問題，然後分析了幾種常見的掃描方式:矩形（ raster ）掃描、螺旋（ spiral ）掃描，矩形螺旋（ rasterspiral ）掃描，玫瑰形（ rose ）掃描以及李薩如形（ lissajo ）掃描; （ 3 ）對分行掃描和螺旋掃描進行了詳細的模擬分析，分析了它們在不同捕獲分辨角、捕獲范圍、振動角振幅和終端位置分佈均方差時的捕獲概率、捕獲時間與系統常數之間的關系。
  15. Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing

    建立了高速旋轉狀態下，採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型，給出了有限元法在此問題中的具體應用，並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型，以及對偏心激勵的響應，分析表明：對于高速旋轉的飛輪轉子和轉軸，應考慮陀螺效應對其動力學特性的影響，此時系統的固有頻率是轉速的函數；通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。
  16. 3. according to the principle of the finite element method, the research establishes finite element models of the vibration transportation mechanisms, some model parameters such as the frequency and vibration type are confirmed and validated by the modal analysis, then which analyzes dynamic - state response of the model and confirms the swing distributing of the models, thereby make the design of models precise. 4

    根據有限元法的理論，建立振動機構的有限元力學模型，對該力學模型進行模態分析，通過模態分析確定拋秧機振動形態和所需的頻率等參數；然後此基礎上再進行力學模型的穩態響應分析，研究該模態下機構的振幅分佈，以確定模型設計的準確性。
  17. The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence

    在此基礎上，論文提出了基於位相編碼振幅調制的畸變不變多目標識別聯合變換相關技術，即通過改變隨機位相模板的調制因子的大小來改善相關輸出的性能，一步消除了共軛相關項、輸入待識別圖像之間的互相關項，並大大降低了零級相關峰的能量和寬度。
  18. The resolution depends upon the size of the word used to represent the amplitude of a sampling sound and is determined by the resolution of the adc and dac

    解析度取決于表示采樣聲音振幅的字組大小，並由模數轉換器和數模轉換器的解析度所決定。
  19. Comprehensively discuss the issues in application, adaptive condition and performance, propose a fast arithmetic of forward modeling and depth migration in common shot gathers with one - way acoustic wave equation based on vrselrf, and verify the arithmetic by numerical simulation. concisely discuss the cause of the creation of evanescence and the problem of lateral amplitude discontinuity result from it. fourthly, use the reflectivity model, computed to describe the fracture model, with the formula of computation reflectivity based on elastic - acoustic approximation, and the wavelet model computed by the method, wavelet creation with fourier transform, we proposed, in conjunction with vrselrf wavefield extrapolation operator

    第三，將頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元（ vrselrf ）應用於疊前與疊后正演模擬、疊前與疊后深度偏移，對演算法應用中應注意的問題、適用范圍、性能等作了較為全面的論述；提出了基於vrselrf的單程聲波方程共炮記錄正演模擬和深度偏移快速演算法，並通過數值模擬試驗對演算法進行了驗證；簡要地討論了倏逝波的產生原因及其帶來的橫向振幅不連續性問題。
  20. The third chapter of this paper explored the method of acquiring amplitude - ratio, and also the significance of the amplitude and gravity data for the probing of the crust and upper mantle ' s structure is investigated. thus the framework of inversion adopted by this paper is formed

    本文第三章研究了相對振幅比的獲取方法，探討了利用振幅和重力資料模擬來約束地殼速度結構的有效性，從而形成本文層析成像工作的總體結構。
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