貼片技術 的英文怎麼說
中文拼音 [tiēpiānjìshù]
貼片技術
英文
section on emulsion technique-
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 。This technique combines the edge - based finite - element method with physical optics ( po ) and physical theory of diffraction ( ptd ). the hybrid technique is applied to compute the scattering fields from the electrically large bodies with cracks and cavities on their surfaces. it is also used to analyze the scattering characteristics of microstrip antennas residing in a cavity mounted on metal objects with finite sizes
本文採用edge - basedfem為基本方法,結合物理光學法( po ) 、物理繞射理論( ptd ) 、邊界積分方程( bi ) 、區域分解技術( ddm )和完全匹配層( pml )吸收邊界條件等求解方法構成的混合方法,對電磁散射和輻射問題進行了研究,主要包括以下內容:提出了一種edge - basedfem與物理光學方法和物理繞射理論相結合的混合方法? fem po - ptd方法,並將該混合方法應用於帶有腔體或槽縫的電大尺寸導體目標的電磁散射特性分析和位於有限導體目標上的背腔式微帶貼片天線的電磁散射特性分析。Usually the frequency bandwidth of microstrip patch antenna is relatively narrow. however, it can be effectively broadened with the employment of the micro - electro - mechanism systems technique to fabricate microstrip antenna with multilayer dielectric substrates and patch
通常微帶貼片天線的頻帶較窄,而利用微電子機械繫統( mems )技術製作具有多層介質和貼片結構的微帶天線,可以有效地擴展天線的帶寬。The north downtown has the good economy development potential, along with the development of city defelopments, the north the hanchuang that downtown belong to, east gold chuang, 100th floor country locates the city country combination a land for, at coming close protecting settling new technique in national class industry development area center area, east area north china international industry city region and along lord fucking network neighborhood contain big slice needing development, closing to the city, the transportation is convenient, the water electricity is well0found, very feat development industry and agriculture industries turn the profession
北市區具有很好的經濟發展潛力,隨著城市建設的發展,北市區所屬韓莊鄉東金莊鄉百樓鄉位於城鄉結合部,在貼近保定國家級新技術產業開發區中心區東區華北國際工業城地域及沿主幹路網附近有大片待開發的土地,靠近城市,交通便利,水電全,非常適宜發展工業及農業產業化行業。Today, the most advanced alignment methods have used the technology of machine vision and image proceeding, by which the feature marks on dies or substrate are recognized or measured, by which machine movement equipments are leaded to complete alignment. die leveling and auto - focus usually be completed before vision - based alignment of die and substrate
自動對準系統是自動貼片機中的關鍵組件之一,現階段最先進的對準方法是利用機器視覺和圖像處理技術來識別和測量微細標記特徵,然後反饋給控制系統引導機械裝置進行對準定位,在對準之前還必須對晶元進行「調平」以及實現「對焦」獲得清晰的標記圖像。Color space more close to man eyes : with the color space more close to the range of human sense of sight, can give the photo more close to nature color. icc stand : with color processing software that fit the icc international color consortium standard. 30bit ture color : with 1024gray scaling for each color, can give 1 billion different color. 12 million pixels : with most to 3840 3072 physical pixels resolution, an give most to 12 million pixels output without lose
基於lcd技術:採用epson htps技術的液晶顯示晶元,使照片具有更逼真的色彩和更生動的細節表現。 led光源:採用rgb三色的led獨立面陣光源,色彩更加純正,圖像更加均勻。更貼近人眼的色彩空間:可以實現更加貼近人眼視覺范圍的色彩空間,更貼近照片的自然色彩。Key technologies are first introduced here such as the phased array antenna theory, dbf ( digital beam forming ) theory and the configuration of transmit and receive ( t / r ) modules. then part of analog circuitry is optimized with the digital technology. cell circular microstrip disk antenna successfully developed based on the theory of microstrip antenna, the four - celled circular microstrip disk antenna arrays are designed, simulated and analyzed with eda tools - hfss, opt1metrics
本文以相控陣雷達組成為主軸,逐一對相控陣雷達關鍵技術中的天線陣原理、數字波束形成( dbf )技術和收發( t r )組件組成進行詳細的分析,利用數字技術對傳統相控陣雷達設計方案中的模擬電路部分進行改進;在理論設計單元圓形微帶貼片天線單元的基礎上,利用微波模擬軟體hfss和optimetrics對四單元的圓形微帶貼片天線陣進行設計與模擬;對相控陣雷達的幅相監測技術進行理論分析和討論,選擇最佳的幅相監測方案。Putting forward to set up the smt equipment " s information system by successfully applying the computer control and network technology in the modern corporation production, as well as the fact of the company " s print board assembly section
針對計算機控制技術、網路技術在現代企業生產的成功應用,結合公司實裝部門的實際情況,提出構築自動貼片設備信息網路,並說明其在提升企業綜合競爭力方面的重要意義。The photograph will not be stuck onto the passport. it is used for reproduction of a digitised image
照片不會貼在護照上,而是採用數碼影像技術射印在護照上。All kinds of the flaky cathode with definite hardness and intensity could be assembled to the device with the new cathode - silver - slurry - plaster technology, which possessed the fabrication feasibility of large - area real field emission display device, and the contamination of carbon nanotube cathode materials was avoided
新型的陰極粘貼技術可以實現對各種片狀陰極材料進行裝配,避免了碳納米管陰極的損傷,具有製作大面積顯示器件的潛力。This paper mainly introduces technologies of bending carbon fiber reinforced plastic ( cfrp ) plates or fabrics to the web of reinforced concrete members, and also this paper discusses the design principles of carbon fiber reinforced plastic ( cfrp ) used in the reinforced concrete members, as well as considering the preload effect to the bending capacity of the reinforced concrete members. finally, a kind of new practical method is put forward, and may be a reference for practical engineering designer. in the meantime, this paper analyzes the " local failure " caused by shear and normal stress concentrations at the plate ends that can easily incorporated into design equations. furthermore, the bonding and anchoring conformation of concrete members strengthened by carbon fiber reinforced plastics also be set forth
本文重點研究碳纖維製成織物片材粘貼到混凝土表面用於結構的補強與加固的技術特點,從理論上探討cfrp加固混凝土結構的設計原理,分析二次受力對加固結構的彎矩承載力的影響;同時對外貼碳纖維加固混凝土的抗彎和抗剪提供一種簡單、實用的設計方法,供工程設計人員參考,對碳纖維布加固混凝土梁中出現剝離破壞也進行了分析,提供了最大剝離正應力的計算公式,以及對外貼cfrp加固結構構件的粘貼構造與錨固進行了闡述。分享友人