聲重波 的英文怎麼說

中文拼音 [shēngzhòngbō]
聲重波 英文
acoustic-gravity wave
  • 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  1. Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation

    Ph記憶、水活度及通透性處理的實驗結果表明， ph記憶對轉化有明顯的影響，水活度對模型反應的影響不大；作為完整細胞生物催化，細胞的通透性可能是傳質阻力的重要組成部分，利用不同濃度的乙醇和超聲波對細胞進行處理，結果表明，在有機相完整細胞生物催化中，通透性處理對轉化產生的是負面影響。
  2. The former put stress on the research of time optimal control method, fuzzy discursion and moving track, and the latter on the study of ekf recursion algorithms, noise model and noise characteristic identification

    前者的重點是最優時間控制方法、模糊控制器的推理以及運動相軌跡分析；後者側重於ekf的狀態估計方法、噪聲模型對濾波估計性能的影響以及噪聲模型的辯識方法。
  3. After reviewing the history and recent developments of the research on thermoacoustics, and introducing the classical thermoacoustic theory, we carry out the following investigations : 1 ) thermoacoustically driven pulse tube refrigerator ( tadptr ) experiments have been done on the self - built pulse tube refrigerator driven by standing wave thermoacoustic prime mover system

    本文首先回顧了熱聲機械的歷史及現狀，詳細介紹了熱聲學理論基礎，重點研究了以下若干問題： 1駐波型熱聲驅動器驅動脈管製冷機在自行搭建的駐波型熱聲驅動脈管製冷機實驗裝置上進行了實驗研究。
  4. In this paper, combined with currently voice coding technique, espically with the fabulosity development of the mixed voice coding and the increasingly utility of the digital signals processor. we investigated the voice coding technique and discussed emphasizedly the technology of variable rate voice coding technology

    本文結合當前語音編碼技術尤其是混合編碼技術的驚人發展及數字信號處理器的日益實用化，研究了語音編碼技術，並重點討論了變速率語音編碼技術。論文簡要介紹語音編碼技術中的波形編碼和聲碼器的主要性能。
  5. Experimental results demonstrate that the algorithms are robust and imperceptive at the attack of noise stain, low - pass filtering and sampling again

    模擬實驗表明，本課題提出的各種演算法能有效地抵抗白噪聲污染、色噪聲污染、低通濾波和重采樣對水印的攻擊。
  6. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析，並實時給出次聲重力波的壓力?時間曲線（即p ? t曲線） 。
  7. The paper mainly introduces the development of pebs and ses detection, and focus on the principle, constitutes and detection results of seb dna by using the quartz crystal microbalance ( qcm ) and surface acoustic waves ( saw ) piezoelectric biosensors respectively

    論文主要介紹了壓電生物傳感器與葡萄球菌腸毒素檢測研究進展，同時重點介紹了體波式（ qcm ）和聲表面波式（ saw ）兩種用於sebdna檢測的壓電生物傳感器原理、製作方法並對其檢測結果作了報告。
  8. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其空化機理及對液體的流變性影響等特性，在燃油霧化燃燒中逐步引起人們的重視，尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律，以便找到超聲霧化的一些規律，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。
  9. Considering the nonuniqueness and instability of ultrasonic computerized tomography for structural concrete as well as the ultrasonic transmission characteristics in concrete, a natural weight matrix with dear physical meaning was introduced in the inverse algorithm

    摘要針對混凝土超聲波層析成像結果不唯一和穩定性差的問題，首先依據超聲波在混凝土中的傳播特點，在反演演算法中引入物理意義明確的自然權矩陣，對走時較小的射線和射線較密的成像單元加以重權。
  10. The poem swung in majestic rhythm to the cool tumult of interstellar conflict, to the onset of starry hosts, to the impact of cold suns and the flaming up of nebular in the darkened void ; and through it all, unceasing and faint, like a silver shuttle, ran the frail, piping voice of man, a querulous chirp amid the screaming of planets and the crash of systems

    那詩以莊重的節奏振蕩起伏，伴隨著星際沖突的清冷的波濤萬千星宿的前進步伐和無數冷冰冰的太陽的沖擊，伴隨著最黑暗的空虛望的星雲的燃燒而在這一切之間，卻傳來了入類微弱細小的聲音，有如一支銀梭，不斷地無力地吶喊著，在星球的呼嘯和天體的撞擊聲中只不過是幾聲哀怨悲嗟的唧唧啾鳴。
  11. A two - dimensional plain strain finite element model of infinite plate is developed to investigate the ultrasonic wave propagation and scattering on three kinds of cracks : parallel to the surface, 450 oblique angle to the surface, and quarter - circle

    摘要建立了無限長板的具有吸收邊界的二維平面應變有限元模型，在研究了脈沖超聲波在無限長板中傳播的基礎上，對板中平行於表面的裂紋、與表面成45的斜裂紋和四分之一圓周弧形裂紋三種情況的脈沖超聲波散射進行了重點研究。
  12. The focus is placed on the investigation of the standard of the encoding algorithm for mpeg audio layer iii, and the analysis of the major four modules in the compression algorithm, including encoding of subband filter bank, psychoacoustics model, quantification and huffman coding, frame packing

    重點研究了mpeg音頻第層編碼的演算法標準。詳細分析了壓縮演算法中的四個主要功能模塊：子帶濾波器組編碼，心理聲學模型，比特流量化與霍夫曼編碼，幀數據流格式化。
  13. Low noise amplifier ( lna ) is widely used in front end of a received set of mobile communication 、 wireless radio 、 blueteech technology and so on 。 the active device is the core of the circuit and has significant effects on the whole equipment, therefore, the design of the active device is vital in lna

    微波低噪聲放大器（ lna ）廣泛應用於移動通訊、無線電、藍牙技術等的rf前端。 lna中的有源器件是整個電路的核心，對整個放大器電路的性能有著重要的影響，因此有源器件的設計是lna的關鍵技術之一。
  14. All these limitations influence the whole performance available in sonar systems. supported by the natural science foundation of china, this dissertation systematically studies beamforming techniques and beamspace high resolution bearing estimation algorithms with emphasis on sonar systems

    本文結合國家自然科學基金項目、 「九五」國防重點預研項目和實際水聲系統的研製，系統研究了聲吶波束形成與波束域高分辨目標方位估計技術。
  15. 2 ) tansformed the real part and imaginary part of interferogram to stationary wavelet domain, analyzed the pdf of signal and noise wavelet coefficients using pearson distribution system, then evaluated the wavelet coefficients of signal in stationary wavelet domain by maximum a posterior ( map ) criteria to reconstruct the interferogram

    2 ）將干涉圖的實部和虛部分解到靜態小波域，用pearson分佈系作近似，分析了信號和噪聲小波系數的概率密度函數，在靜態小波域用map準則估計信號的小波系數用於干涉圖的重建。
  16. Finally, some important conclusions were drawn, that is, using distributed pzt transducers, ultrasonic guided waves are generated and received in a pipe. usually, there are many different modes of guided wave propagating in the pipe and these modes are generally dispersive, the specific exciting signal of a harming windowed toneburst with a central frequency of 70khz for decreasing the effect of dispersion was selected. and guided wave are generated using 16 distributed pzt transducers in a circumferential direction for suppressing flexural modes

    首先，對當前本課題研究領域的進展作出綜述，並簡要介紹與超聲導波技術相關的理論基礎；其次，建立了一套有效的實驗裝置，在此實驗裝置基礎上，重點研究了採用分散式pzt傳感器在管中激勵和接收特定模態超聲導波的方法：根據在管狀波導中傳播的超聲波具有頻散現象及多模態特徵，選擇具有單一頻率的特定信號激勵超聲導波，使其頻散最小；同時採用分散式傳感器抑制不同模態的波型。
  17. In this paper, the main work includes : ( 1 ) through the detailed analysis of the mechanism of pcnn, we point out that the behaviors of pcnn actually means the reorganization of input information, and finally two methods ( including method for salt & pepper noise and method for gaussian noise ) for image noise removal based on pcnn are presented

    本文的工作主要有： （ 1 ）通過對pcnn工作機理和運行行為的深入分析，揭示了pcnn的運行行為實際上是在對網路輸入信息進行重新組織，並在此基礎上給出了利用pcnn實現圖像濾波（包括圖像椒鹽噪聲和圖像高斯噪聲濾波）的演算法。
  18. Chaotic switching modulations generated from different chaos sequences introduce low - frequency output noise ripple : in the cpwm, cppm and ccfmvd, the output noise ripple introduced by henon map chaos sequences is smaller than chua ' s circuit chaos sequences ; in the ccfmfd, chua ' s circuit chaos sequences introduced smaller noise ripple. this clue to us that it is important to choose chaos sequences in applying chaotic modulation to dc / dc converters

    不同混沌調制信號對輸出紋波影響的分析結果表明： cppm 、 cpwm和ccfmvd模式下， henon映射混沌序列引入低頻噪聲紋波比蔡氏電路摘要混沌序列要小; ccfmfd模式下，蔡氏電路混沌序列引入的低頻紋波要小。這提示我們:在開關模式電源使用混沌調制控制時混沌序列的選擇也具有重要性。
  19. In this paper, the reflection method of ultrasonic longitudinal wave and that of ultrasonic shear wave to test the bonding quality of the adhesive interface between steel and concrete from single - surface is adopted respectively

    因此，找到一種合理的無損檢測方法來判斷鋼-混凝土粘結質量具有重要的工程意義和實用價值。本文分別採用超聲縱波和橫波反射的方法來單面檢測鋼-混凝土界面粘結質量。
  20. Attack the watermarked image through adding noise, filter, and jpeg compress. in the extracted watermark from the attacked image, the important part, which is embedded into frequency domain, has good robustness

    對含水印圖像進行噪聲、濾波、 jpeg壓縮等攻擊，確保了dct域中的重要部分有良好的魯棒性。
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