表面聲波技術 的英文怎麼說

中文拼音 [biǎomiànshēngshù]
表面聲波技術 英文
surface acoustic wave technique
  • : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
  • : 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...
  • : 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...
  • : 名詞(技能; 本領) skill; ability; trick; technique
  • : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  1. In the present dissertation, friction - induced noises emitted by a flat specimen rubbing against another flat specimen or a ball specimen under reciprocating sliding are studied. the detailed observation of the scars is conducted by means of a scanning electrical microscope ( sem ), laser scanning microscope ( lsm ), optical microscope and profilometer. the dynamic state variables are analyzed in detail using the discrete wavelet transform

    使用電子掃描顯微鏡( sem ) 、激光掃描顯微鏡( lsm ) 、光學顯微鏡和輪廓測量儀等設備對摩擦噪發生的區域進行了詳細的觀察和分析,運用小變換對摩擦噪狀態下的動力學變量進行了深層次的研究,應用matlab simulink語言對摩擦系統進行了振動動力學模擬,系統地研究了摩擦噪的形成機理。
  2. Upon its establishment tera xtal managed to recruit the top technical personnel in crystal growth and wafer processing fields. their first mission was to manufacture the lithium tantalate crystal substrate for the rf saw filters used in the wireless applications

    凝聚國內長晶及晶圓加工等第一流菁英共同組成的經營團隊投入創業,半年來最主要的課題就是在最短的時間內生產出無線通訊器材內射頻
  3. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩( weno )格式及其在雙曲守恆律方程中的應用,在此基礎上作了兩個方的工作:一是針對高頻問題構造出一種基於保色散關系( drp )的weno有限差分格式,並對計算氣動學( caa )問題的代性算例進行了大量數值實驗,比較了該格式捕捉數的能力;另外,針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題,研究了利用界追蹤levelset方法和高階激捕捉weno格式相結合的一種守恆追蹤方法,並且給出有代性的密度滑移問題的算例,得到一致高階精度的數值模擬結果。
  4. Through importing advanced technology and equipments from usa, japan and europe, we built up the first world advanced smd saw filter product line in china

    公司引進美國、日本、德國及瑞士的先進和設備,建立了我國第一條具有國際先進水平的片式( smd )器件生產線。
  5. On the premise that the basal transducer layout was designed according to the requirements of deep - sea exploring surroundings and technology on the basis of the hardware structure and data collecting ways of interferometric sonar, the echo signal by energy relativity search is analyzed and calculated, altitude data of the tiny terrain on the seabed under real - time irradiation of ultrasonic is gained as to provide parameters of best cutting depth for intellectualization of the seabed mining vehicle timely and promptly

    摘要在相干納硬體結構及數據採集方式的基礎上,結合具體的深海鈷結殼探測環境和要求,確定了換能器基本布局,探討了信號採集與處理方法,利用能量相關搜索法對回信號進行分析和計算,得出超實時照射下的海底微地形高程數據,為海底采礦車智能化開采提供實時、快速的最佳切削深度參數。
  6. In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

    研究路線為:選用納米級al _ 2o _ 3陶瓷顆粒作為增強相,在超的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒的金屬銅包覆,採用熱壓燒結成型以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料,研究分析復合材料的成分、組織結構、硬度以及緻密度,對試樣進行了干滑動摩擦磨損實驗。
  7. Following, we developed an electronic nose adopting advanced technology which combined capillary column to separate vocs according their different retention time and surface acoustic wave sensor coating with polymer film to detect the qualities of those vocs. in my article, lung cancer situation, breath detection principle, feasibility of electronic nose adopting breath detection, and the principles of spme & gc have been particularly introduced. and initially certified the correlation between lung cancer and the marker vocs by detecting lung cancer patients breath, normal human breath, and lung problem patients by solid phase microextraction ( spme ) and gas chromatography ( gc ) system

    本課題根據國外關于呼吸氣體中某些有機氣體成分和肺癌相關性的研究工作報告,採用固相微萃取?氣相色譜系統對肺癌病人呼吸氣體、正常人呼吸氣體、和其它類肺病患者呼吸氣體中的有機氣體成分進行對比檢測、研究,以期確定肺癌病人呼吸氣體中特徵有機氣體成分;並且期望建立首創的採用毛細管色譜柱與傳感器聯用的電子鼻系統,與固相微萃取?氣相色譜系統作為對比檢測,能夠做到粗篩肺癌病人。
  8. Package technology and trends of surface acoustic wave devices

    器件的封裝及其發展
  9. 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

    作為最有潛力的實驗應力測量之一,近年來得到了廣泛的發展和應用,然而超由於其自身的限制性,均無法從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。
  10. 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,結合國內外超檢測和科學計算可視化的發展趨勢,利用超彈性方法檢測典型構件的應力分佈狀況,並藉助計算機可視化把應力場分佈狀況示出來,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。
  11. In traditional ultrasound, a doctor or technician places a handheld deice on the skin that sends high - frequency sound waes into the body

    在傳統超中,醫生或人員把手持式器件置於皮膚,它可以向體內發射高頻
  12. The exploitation of intellectualized ultrasonic device of measuring rigidity major : mechanical manufacturing and automation postgraduate cai peng supervisor huang cheng - xiang abstract the ultrasonic technology has been wildly used in industry the ultrasonic technology is introduced to the measurement of mechanical paramoter in material to effectively resolve the problem of measurement of surface rigidity in material by adopting the technology of sensor, computer science and micro - electronic science

    在工業上已有了諸多的應用,本課題將超引入到材料的機械量的檢測中,採用傳感器、計算機和微電子有效的解決了材料的硬度的檢測問題。
  13. And designed a program used by this method to design a filter. the result complies with the analytic result. at the end of this paper, according to the project of airline broadcast, the author designd filter with high rectangular factor, five channelizing filter banks, saw programmable correlator implemented with multiplayer muti - chip technology, saw resonator

    本文的最後,結合某航空直擴數傳電臺的工程要求,設計了高矩形系數的前置濾器、器組、採用多晶元組裝厚膜工藝可編程相關器和壓控振蕩器,完成了解調解擴單元的硬體設計。
  14. It has broad application prospect in the following fields such as microelectronics, photoelectronic devices, large screen flat panel display, field emitter array, acoustic surface wave device, photon crystal, light waveguide array, holographic honeycomb lens and micro - optical element array, micro - structure manufacture, fabrication of large area grating and grid of high resolution, photoresist performance testing, profile measurement and metrology, etc. the paper only involves the primary research of interferometric lithography

    在微電子、光電子器件、大屏幕平板顯示器、場發射器陣列、器件、光子晶體、光導陣列、全息透鏡和微光學元件陣列、微結構製造,高分辨、大積光柵和網格製造,在抗蝕劑性能測試、形測量和計量等領域,干涉光刻都具有廣闊的應用前景。
  15. Wavelet transformation technology is applied to the small - current sensor, and the constructed pulse - respone function of the surface - acoustic - wave transducer is comsidered as a wavelet function, thus the surface - acoustic - wave type of element for wavelet - transformation and reconstruction is manufactured to filter the jamming signal of the small - current sensor effectively

    把小變換應用到小電流感測器中,構造的換能器脈沖回應函數等於小函數,從而製造出了式小變換及重構器件,該器件可有效濾除小電流感測器的干擾信號。
  16. The main results of this paper are as fellows f 1 ) illtroducing the ultrasonic technology to the rigid measurement, successful1y exploits the practical small intellectualized ultrasonic device of measuring rigidity by applying mechanical technology, electronic technology and computer science 2 ) reading clearcf displaying more various, applying more information, being easiest to accept by user because of adopting liquid crystal display ( lcd ) 3 ) theorizing the mathematical model between the signal of frequency and the rigid value on the device, possessing very importan practical significance 4 ) optimizing the every parts of the device, achieving the goals of lower wastage of energy, smaller, lighter and inexpensive 5 ) taking the measure to reduce the wastage of energy and adopting reasonable management in power supply for the device, making the device skimp more energy, prolonging the life - span of battery 6 ) utilizing the interface of rs - 232, discussing the communication between the ultrasonic device of measuring rigidity and computef, and also forecasting the foreground of advanced exploitation by user

    本文工作的主要成果是: 1 )將超引入零件硬度的檢測當中。應用機、電、計算機,研製成功較為實用的小型智能超硬度檢測儀2 )採用lcd ( liquidcrystaldisplay )液晶顯示,使讀數更清晰、顯示多樣化、信息量多、易於為用戶接受3 )在理論上建立了該系統的頻率信號與硬度值的數學模型,具有非常重要的實踐意義4 )對各元器件進行優選,達到低能耗、體積小、重量輕、價格便宜等目的5 )採取措施降低整個系統的能耗並對系統的供電進行了合理的管理,使其進一步達到低能耗,延長了電池的使用壽命。 6 )利用rs - 232標準介,討論了該超智能硬度測量儀與系統機進行通訊以及用戶進行二次開發的前景
  17. We implement erp information management and carry out iso9001. relying on the powerful research strength of our technical center and taking the full advantage of 20 years r / d manufacturing experiences in crystal material and saw devices, the corporation is recognized as the leader in its field

    公司實施erp信息化管理,依託公司中心的雄厚科研力量,充分發揮在器領域二十多年成功經驗,奠定了在行業的領航地位,並躋身於國際先進行列。
  18. " utilization of multi - attribute transformation in predicting well logging parameter " has transcended many traditional methods of reservoir research in many aspects, and possessing many outstanding technology superiority, which are showed below : ( 1 ) it takes new technology thought - " date - driven law " as the guidance, and inherits and synthesizes forefathers successful technology formed in many years. ( 2 ) ' it directly calculates the well logging parameter by way of the multiple attribute transformation, rather than by way of the sound impedance, like the porosity, while the way before is to make further estimates of the sound impedance from the seismic inversion result so that the result suffers the influence of many factors. ( 3 ) the usefulness of the seismic attribute is drawn from the seismic data, rather than the traditional poststack seismic data after nonlinear a transformation

    「 ;利用多屬性變換預測測井參數」在很多方超出了傳統意義上的儲層研究方法,具有突出的優勢,現在: ( 1 )它以新的思想? ? 「數據驅動法」為指導,繼承並綜合利用了前人多年來形成的成功: ( 2 )它是直接通過多屬性變換預測測井參數,而不是通過阻抗,如空隙度,以往的做法是從地震反演結果中的阻抗做進一步的模擬估算,其結果受到諸多因素的影響; ( 3 )所用到地震屬性是從地震數據中提取的,而不是傳統的迭后地震數據本身。
  19. Surface acoustic wave ( saw ) device is an advanced analog signal processing device by means of acoustic wave character. since saw technologies is applied thirty years ago, saw devices accelerate growth because of their broad use and in the meantime their performance are raised constantly. because its high performance, light weight and good consistency, it is widely used in modern microwave communication and radar system and so on

    ( saw )器件是一種新型的利用特性的模擬信號處理器件。自誕生至今三十多年來,因其用途廣泛而得到迅速的發展,同時其性能也在不斷地提高。由於saw器件性能優良、重量輕、體積小、一致性好,廣泛地應用於現代微通信、雷達等系統中。
  20. The application of digital quadrature demodulation in wireless saw sensor systems

    數字正交檢在無線傳感器系統中應用
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