表面波法 的英文怎麼說
中文拼音 [biǎomiànbōfǎ]
表面波法
英文
surface wave technique- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 面 : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
- 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...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
- 波法 : borda count
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Type designation system for surface acoustic wave filters
聲表面波濾波器型號命名方法Abstract : propagation characteristics of r wave in a pavement structures are analysed in this paper. based on the propagation characteristics of r wave, the horizontal propagation wave is simulated by using r wave, the vertical propagation wave is also simulated by using body wave in calculating dynamic response of pavement structures. the availability and accuracy of dispersion curves measured by sasw in pavement structures is analysed by using the presented method used to calculate dynamic response
文摘:利用有限單元法分析了道路結構的r面波傳播特性:在深度方向上衰減較慢,傳播較深,波動性大.提出了在道路結構動力響應計算中,利用面波來模擬水平向傳播波,利用體波來模擬豎直向傳播波.通過算例來驗證該方法的可靠性和精確性,並利用這一動力響應計算方法分析了道路結構表面波測試中所獲彌散曲線的可靠性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。Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator
本文研究了以低損耗、高q值聲表面波(其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ,和聲表面橫波等)諧振器的工作原理、設計參數、製作工藝及其實驗結果,並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器,以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。Thickness measurement of coatings and characterization of surfaces with surface waves - guide to the thickness measurement of coatings by photothermic method
覆層厚度測量和表面波紋表徵.光熱法測量覆層厚度Thickness measurement of coatings and characterization of surfaces with surface waves - part 2 : guide to the thickness measurement of coatings by photothermic method
覆層厚度測量和表面波紋表徵.第2部分:光熱法測量覆層厚度Thickness measurement of coatings and characterization of surfaces with surface waves - part 2 : guide to the thickness measurement of coatings by photothermic method ; german version en 15042 - 2 : 2006
覆層厚度測量和表面波紋表徵.第2部分:光熱法測量覆層New numerical method to solve eigenvalue equation of surface wave
計算表面波特徵方程的一種新的數值方法A patch antenna with etched holes on the ground plane is also studied. the performance of the antenna at the resonant frequency is analyzed by using the fdtd method together with the pml boundary treatment. the results show that the surface waves are suppressed greatly, the bandwidth is improved and a 1 odb reduction on the sidelobe level is achieved at the 110 and 260 directions in the e plane
全面地研究了地面腐蝕周期圓孔結構的電磁晶體貼片天線在基波頻率處的性能,用fdtd方法並結合pml邊界處理技術對該天線所取得的研究結果顯示,本文設計的地面腐蝕型電磁晶體結構抑制了貼片天線中的表面波,增加了天線的帶寬,並有效地削弱了旁瓣,使天線的e面方向圖上110和260方向的兩個旁瓣被削弱了10db 。A patch antenna with air holes in the substrate has been designed. the finite - difference time - domain ( fdtd ) method together with the perfectly matched layer ( pml ) boundary treatment has been used to study the performance of the antenna. it is shown that the surface waves are significiently suppressed, the frequency bandwidth is improved, the sidelobe levels are reduced and consequently the gain in the forward direction is improved by 14 db ( about 4 db higher than the value reported previously )
設計了一種基底鉆周期圓孔結構的電磁(光子)晶體貼片天線,用fdtd方法並結合pml吸收邊界條件對該天線進行了研究,結果表明本文所設計的基底鉆孔型電磁晶體貼片天線取得了多方面的性能改善,與普通天線相比,基底中的表面波受到很大抑制,天線的帶寬增加,遠場方向圖上天線的旁瓣和背瓣被明顯削弱,向前輻射的增益由原來的12db增加到26db ,增加了14db ,比文獻上報道的gonzalo等人的研究結果提高了4db 。The microwave delaylines using hts thin films have the advantages of small size and mass and low insertion lose. these characters are much better than the delaylines using surface acoustic wave, coaxial - line, magetostatic wave or conventional metal planar structures. these merits benefit a lot in largely reduction the mass and volume of communication systems
利用高溫超導( htsc )薄膜材料研製的微波延遲線具有體積小、重量輕、插損小等優點,這是利用聲表面波、同軸線、靜磁波或常規金屬平面結構設計的延遲線所無法比擬的。這些優點對于減輕通信系統的重量和縮小體積都是非常有利的。Then, the numerical simulation has been made by pseudo - spectral method ( psm ), and the waterfall plot of the wave was draw with matlab. so the effects of different variational walls on the nonlinear surface waves could be analyzed
然後利用擬譜方法進行數值模擬,用matlab軟體繪制出非線性表面波的瀑布圖,由此研究壁面變化對非線性表面波的影響。As one of the most potential experimental stress measurement, ultrasonic technique was widely developed and applied in recent years. limited by their own characters, bulk wave and surface wave in ultrasonic frequency are difficult to be used to measure the internal tangent stress condition from the surface of medium. in many occasions, they will not be able to evaluate the working condition of mechanical components effectively
超聲波技術作為最有潛力的實驗應力測量技術之一,近年來得到了廣泛的發展和應用,然而超聲體波與表面波由於其自身的限制性,均無法從表面測量內部的切向應力狀況,在許多場合下無法有效進行機械構件工作狀態的評估。In view of the requirement of stress testing in the engineering practice, based on the achievement in ultrasonic ndt and visc, this dissertation investigates the detection of surface stress in several typical components using surface wave acoustoelasticity and its visual expression using visc technology. the nonfiguratived data experimentally or theoretically obtained are converted to visual and idiographic figures, which are easy to understand and analyse
本文針對工程實際中對構件應力檢測的需求,結合國內外超聲檢測技術和科學計算可視化技術的發展趨勢,利用超聲表面波聲彈性方法檢測典型構件表面的應力分佈狀況,並藉助計算機可視化技術把應力場分佈狀況表示出來,將抽象的數據場轉換為形象、具體的圖形,便於理解、分析和評價。In order to utilize the atmospheric duct phenomena, and to make the electronic reconnaissance facilities more effective and the status of battlefield more advantageous, on the basis of classification of the atmospheric duct, first the model for evaluating the effective detective zone of electronic reconnaissance facility is established, then the numerical value simulation method of electromagnetic wave propagation under the condition of surface duct calculated with parabolic equation and fourier arithmetic is presented, and finally the influences of atmospheric duct on electronic reconnaissance facility is analyzed
為充分利用大氣波導條件,發揮電子偵察設備效能,使戰場態勢向有利於己方方向轉化,在介紹大氣波導分類的基礎上,建立評估電子偵察設備的有效探測區的模型,給出用拋物線方程及其分佈傅里葉演算法計算電磁波在表面波導條件下傳播的數值模擬方法,並分析了大氣波導對電子偵察設備的影響情況。Surface wave technique
表面波法Then, focus on several methods to simulate the saw devices, including the saw filter, saw programmable tapped delay line which can be used various modulation including bpsk, msk, qpsk, resonator with saw delay line structure
然後重點介紹聲表面波器件,包括聲表面波濾波器和聲表面波抽頭延遲線的各種設計和分析方法。側重介紹了準靜態分析法,並編制了採用該方法分析濾波器的程序,實際製作的濾波器和設計模擬結果能很好吻合。Technology of fine processing was firstly used to make the lsaw biosensor with dual delay linear style. then we developed the dual channels resonance circuit and used the labview software to record and analyze phase / frequency automatically. so the detection system of lsaw biosensor was constructed by combing all these components with network analyzer and computer
方法: 1 .利用精細微加工方法制備雙延遲線型漏聲表面波傳感器,並自行開發研製自激式振蕩電路, labview相位、頻率記錄分析軟體,將它們與網路分析儀、頻譜分析儀及計算機聯用以構建lsaw生物傳感器檢測系統。Test methods for saw properties of piezoelectric ceramics and crystals
壓電陶瓷材料和壓電晶體聲表面波性能測試方法Thickness measurement of coatings and characterization of surfaces with surface waves - guide to the determination of elastic constants, density and thickness of films by laser induced surface acoustic waves
覆層厚度測量和表面波紋表徵.採用激光感應表面聲波法對各膜層的彈性常數密度和厚度的測定指南分享友人