近場區 的英文怎麼說

中文拼音 [jìnchǎng]
近場區 英文
near field region
  • : Ⅰ形容詞1 (空間或時間距離短) near; close 2 (接近) approaching; approximately; close to 3 (親...
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 區名詞(姓氏) a surname
  1. Zhoushan is sea area which fertility is tiptop in our country. sea surface wind is important factor of influencing contrail of excursion oil and culturist so investigating sea surface wind of zhoushan and setting up numerical forecast model which fits this sea area can offer tool for study sea wind in this area and let us has a mensurable acquaintance ship of effect degree of physics factors which effect sea surface wind in zhoushan sea area and acquaint oneself with physic process

    而海面風是影響溢油油團漂移軌跡和養殖業的重要因素,因此,對舟山海域的海面風進行研究,建立適合此域的數值預報模式,可為研究該域海面風作用過程提供數值預報工具,使我們對域海面風作用中物理因子的影響程度有更定量的認識,並對物理過程和影響機制有更深刻地了解。
  2. And it is also found that the polarized incident gauss beam become depolarized after emitting from the bottom of solid immersion lens. the beam dimension of the emitting optical field at the near - field bottom of solid immersion lens is " broadened "

    在固體浸沒透鏡底面的近場區域,出射光發生了退極化,使得出射總的光斑有了一定程度的「增寬」現象。
  3. 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、有效檢測域、精確控制能力、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。
  4. Considering the characters of the viscoidal turbulent flow over high - speed train, the computing model of the outer fiow field for high - speed train has been established based on the incompressible fluid navier - stokes epuation and the turbulent model of ke two equations. the equation set of the flow field problem via finite element methods ( fem ) has been set up

    根據高速列車粘性紊態繞流的特點,在較少簡化的條件下以navier - stokes方程和-兩方程紊流模型為基礎,建立了高速列車外流的計算模型,在域採用壁面函數修正紊流模型。
  5. Sheung wan civic centre is a full - fledged community arts centre which offers a combination of performing, rehearsal, lecture and exhibition facilities, as well as a territory - wide urbtix outlet to residents of neighbouring districts

    上環文娛中心的設備為鄰的市民提供多種類型的文娛活動地。歡迎各界人士租用,凡符合資格的非牟利團體可申請租資助。
  6. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中,課題首先從天線、陣列天線,以及電磁計算方法的基本理論著手,分析了天線與拋物面天線的各項性能參數,以及天線的口面-遠輻射的特點和計算;進而,更加深入的討論和研究影響天線陣列合成強的各項因素,包括系統所使用的天線單元個數對陣列合成的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  7. On the other hand, the electric field and intensity distributions of the he11 mode in the hollow fiber are calculated by using the exact solutions of maxwell equations based on the vector model, and the diffracted near - and far - field distributions of the he11 - mode output beam under the fresnel approximation are studies. we derive an analytical expression on the far - field distribution of the he n - mode output beam in free space and discuss its applicable condition. we also analyze and compare the differences between the he11 - and lp01 - mode output beams, and find that the near - field distribution of the lpoi - mode output beam is a gaussian - like one, but the near - field distribution of the he11 - mode output beam is a doughnut - like one, whereas the far - field distribution of both the lp01 - and he11 - mode output beams are a doughnut one

    此外,我們把中空光纖中lp _ ( 01 )模(標量模型)和he _ ( 11 )模(矢量模型)的分佈以及它們各自的輸出光束的與遠分佈進行了比較,發現兩種模式的輸出光束在分佈有很大的別, lp _ ( 01 )模輸出光束在是一個高斯分佈,而he _ ( 11 )模輸出光束在是一個中空光束,在遠兩種模式的輸出光束分佈是基本一致的,這正是由於在中空光纖中採用了弱波導似以後所引起的誤差。
  8. Recently, local initiates had the great honor of introducing master to the people of kelowna and the surrounding area through a video seminar

    ,我們很榮幸能夠在基洛納市舉辦一弘法講座,將師父的教理介紹給此地及鄰的民眾。
  9. The observatory operates a suite of equipment, including wind sensors, ceilometers and runway visual range transmissometers, to monitor the weather in and around the hong kong international airport

    天文臺利用包括風探測儀器雲冪儀及跑道視程透視表等儀器,不斷監察香港國際機及其鄰的天氣。
  10. The difference of temperature fields from considering and neglecting the temperature - dependence of material parameters is compared, and the temperature distributions of al pipe are obtained in angular orientation at various time

    給出了溫度隨角向的分佈曲線,比較了物理參數隨溫度變化和不隨溫度變化兩種情況下溫度別,並進一步得到了近場區域表面波的時域波形。
  11. In order to verify the simulation field, the ultrasonic wave field radiating by a planar transducer was measured by small ball. by comparing the simulation field with the measured field, it is found that mgb is accurate in the far - field and most near - field region

    為了驗證聲模擬的可靠性,利用小球法測量了直探頭的水中輻射聲,將試驗聲和模擬聲比較,發現多元高斯聲束模型在遠和大部分近場區都是有效的。
  12. The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity

    在分析點光源激勵聲表面波機理的基礎上,求出了線光源激勵的超聲振動的位移表達式,發現線光源激勵的近場區表面波具有波形好,信噪比高,指向性好,幅度強等特點。通過理論推導,得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比,並與入射角和散射角有關;適當減小cfpi的帶寬,增加腔長,增大鏡面反射率,或者減小檢測入射角都可以提高系統的信噪比。
  13. Radiating near - field region

    輻射近場區
  14. Reactive near - field region

    感應近場區
  15. And its main advantage is that it can realize high resolution power of space to be used in the near area, through the application of small - scale transducer and lower performance frequency

    其優點是可以應用小尺度換能器及比較低的工作頻率,來獲得方位的高解析度,可以在近場區(菲涅爾)工作。
  16. This paper discussed two problems in current seismic safety evaluation for engineering site, i. e., the requirements of seismotectonic investigations and evaluation in near site area ( near region ) at the different seismic work levels ; and consistency between seismogenic structure and potential earthquake source with deterministic method and probabilistic method in engineering site seismic work at i - level

    摘要本文討論了目前工程地地震安全性評價工作中大家關心的兩個問題:不同級別地震工作的近場區域)地震構造調查和評價的不同要求以及級工作中確定論和概率論分析方法中發震構造與潛在震源的統一性。
  17. Adopting this model, we analyze the seismic hazard near the chelungpu fault that generated the chi - chi ( jiji ) earthquake with magnitude 7. 6 and the following conclusions are reached. this model is reasonable on the base of focal mechanism, especially for sites near potential earthquakes with large magnitude ; the attitudes of potential rupture surfaces have great influence on the results of probabilistic seismic hazard analysis and seismic zoning

    結果表明:採用潛在地震破裂面源模型是合理的,因為它可以模擬地震破裂面與地震動影響的三維展布特徵,尤其適用於較大震級地震的近場區域;潛在地震破裂面源的大小、產狀,對震源點的地震危險性分析和地震劃結果有明顯的控制影響。
  18. Chaper 4, we put forward the concept of the near - field speckles and study their properties by the numerical solution of the integral equation based on the green ' s theorem. we study the near - field speckles produced the by random self - affine fractal surfaces of dielectric medium. the speckle intensities evolve considerably in the near - field region and the local fluctuations in them disappear in the distance of a wavelength

    在第四章中,我們提出了散斑的概念,並依據介質界面電磁波的格林積分摘要方程對自仿射分形隨機表面產生的散斑光進行了數值計算模擬研究,發現散斑分形特徵與自仿射分形隨機表面的特性有關,且這種分形特徵在非近場區域消失。
  19. The radiation pattern in the near and far field of each frequency component of the spectrum of current pulse on a transmission line

    傳輸線上脈波電流頻譜中各頻率成份在遠近場區型之比較。
  20. A theoretical analysis is made on the influence of probe ' s near - zone length to the sensitivity and accuracy of ultrasonic inspection for the pipe welded seam, the issues in actual application of ultrasonic inspection technology is studied and the general countermeasures to increase the accuracy of ultrasonic inspection technology are given in the article

    摘要從理論上對超聲波近場區長度影響管道對接環焊縫檢測靈敏度和準確性進行了分析,研究了超聲波檢測技術在實際應用中存在的問題,給出了提高超聲波檢測準確性的一般對策。
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