重點測光表 的英文怎麼說
中文拼音 [zhòngdiǎncèguāngbiǎo]
重點測光表
英文
spot meter- 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...
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 重點 : keynote; key point; focal point; stress; emphasis
-
Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。The new development in modern determination of anionic surfactants in environmental water samples is emphasized, including spectrophotometry, chromatography and flow injection analysis method. 1inail, the prospect of its determine methods are related
重點論述了發展較快的分光光度法、色譜法和流動注射分析法等,並展望了在測定陰離子表面活性劑方法上的發展趨勢。Greenhouse is the important part of installation agriculture. crop production in domestic and overseas greenhouses shows that advanced automation and management system for greenhouse will improve the efficiency of agriculture production. in this paper, intelligent greenhouse, as the focus of agricultural greenhouse field, is studied, and a measure and control system which can control parameters of temperature, humidity, illumination and co2 density of greenhouse is designed
溫室是設施農業的重要組成部分,國內外溫室種植業的實踐經驗表明,提高溫室的自動控制和管理水平可充分發揮溫室農業的高效性,本文主要對當今農業溫室的研究熱點-智能溫室系統進行研究,設計了一套能實時控制溫室內溫度、濕度、光照以及co2濃度等多參數的測控系統。More attentions are taken to the applications of the interferometer for the quantificational and real - time measurements in the following aspects : the laser ' s wavefront, the homogeneity of laser bar, angle deviation of flatness optical components, and surface roughness
重點研究了數字式波面干涉儀的應用,定量、實時測量了激光波前質量、激光棒波前畸變、利用波面計算錐體棱鏡角度、表面粗糙度等。In this paper, regarding nondestructive testing of surface defects ( for example, grinding - cracks of solid carbide cutting tools etc ), we emphatically analyze post emulsification fluorescence penetrant flaw detection method and application in the field of quantity controlling for solid carbide cutting tools, and we put forward procedure process and procedure parameter of fluorescence penetrant flaw detection for cutting tools
摘要針對整體硬質合金刀具磨削裂紋等表面缺陷的無損檢測,重點分析和討論了后乳化型熒光滲透探傷法及其在整體硬質合金刀具質量保障技術領域中的應用情況,並確定了刀具的熒光滲透檢測工藝流程和工藝參數。Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years
哈特曼波前傳感器具有實時探測,易操作,可以直觀顯示波前畸變分佈等優點,被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償,大氣湍流統計特性表徵,光學元件檢測,光束質量評價,超強激光脈沖波前整形,激光大氣通信以及人眼象差測量等各個領域之中,其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system
該系統可通過沉積參數的精確控制,以控制沉積過程,減少金剛石膜生長過程中的缺陷,並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程;利用微波對材料的選擇加熱特性,通過構造等效方程,並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中,建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型,為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備,並對基片加熱材料進行了設計和優選,以獲取大面積均勻的溫度場區,甚至獲得大於基片臺尺寸的均勻溫度區;作為研究重點之一,開展了微波等離體化學氣相沉積金剛石的成核與生長研究,系統地研究了在( 100 )單晶硅基片上mpcvd沉積金剛石膜的實驗過程中,基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響,分別用raman光譜、 x射線衍射( xrd ) 、掃描電鏡( sem ) 、紅外透射光譜( ir ) 、原子力顯微鏡( afm )對薄膜進行了表徵,確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。But, with the development, it can ’ t meet the need of modern manufacture more and more. as a result, handhold digital storage oscilloscope is studied. handhold dso is an important genre of digital storage oscilloscope, it ’ s outstanding feature include small form, use battery instead of ac supply for power, and include the whole function of dso while implementing the basic function of multimeter. handhold dso can measure wave range automatic, analyze wave use cursor, measure resistance 、 diode and short circuit if choice digital multimeter
手持式數字存儲示波器是數字示波器的一個分支,它具有體積小、重量輕、便於攜帶、電池供電、無須外接交流電源等優點,它集數字萬用表( dmm ) 、數字存儲示波器於一體,可自動對信號進行幅度的測量,也可用光標對波形進行分析,同時還可以通過菜單選擇來實現對電阻、二極體以及電路通斷的測試;可以選擇觸發通道和觸發模式。Abstract : the reflective characteristics of sea and sky background radiation, which have important effect on the infrared signature from flight vehicle above sea, are studied in the paper. the statistical distribution of wave facet directions is discussed, the effects of randomly riging and falling sea wave on the sea surface radiation and on the sun light reflection are also discussed. calculation methods of irradiance from sea surface radiation and reflected sun light on observation point are derived in the paper. finally a computation example is given, which shows the sea and sky background radiation has important effect on infrared characteristic especially in the front area of a flight vehicle
文摘:研究了對近海飛行體的紅外特性有重要影響的海空背景輻射的反射特性.討論了波浪面起伏隨機規律,隨機起伏對海面自身輻射及對陽光反射的影響,推演了此種隨機起伏波浪面的自身輻射及反射的陽光在觀測點形成的輻照度的計算方法.給出的算例結果表明,海空背景對飛行體的紅外特性尤其對其前半球的紅外特性有重要的意義Especially, the nano - iron and nano - tungsten sols as well as their powders were characterized in detail by xrd, ft - ir, uv - vis, xfs, tem, sem, edax and so on. another new method is put forward firstly to estimate the addition of dispersants and its effect by uv - vis
重點選取納米鐵乙醇溶膠和納米鎢乙醇溶膠以及其中的納米顆粒進行了詳細表徵,所涉及的測試方法包括x射線衍射、傅立葉紅外光譜、紫外-可見光譜、熒光光譜、透射電子顯微鏡及選區衍射、掃描電子顯微鏡及微區能譜分析等等。Firstly, this paper summarizes modern weaponry stealth technology at home and abroad, and lays special emphasis on analyzing stealth problem of cruise missile ’ s guidance head cover, aerocraft radar canopy and other privileged sites. secondly it makes a research on related theories of transparent metallic mesh that applied to missile ’ s guidance head cover and aerocraft radar canopy, and deduces relational expression between transparent metallic mesh structural parameters and radar wave - shielding efficiency, infrared transmitting. we use laser direct writing technique to fabricate a metallic mesh ( dimension : 70mm 70mm ; line width : 5 m ; period : 350 m ) on glass surface, then do experiment to test radar wave - shielding of metallic mesh via radar transmitting and receiving device
本文首先綜述了國內外現代武器系統隱身技術方法;重點對巡航導彈導引頭罩和飛機雷達艙罩等特殊部位的隱身問題進行了研究,研究了金屬網柵用於導彈頭罩和飛機雷達艙罩隱身的相關理論,推導了金屬網柵結構參數對雷達波屏蔽效率和透紅外關系式;用激光直寫工藝,在玻璃表面上製作了一塊面積為70mm 70mm ,線寬為5 m ,線周期為350 m的金屬網柵;在實驗室里用雷達發射和接收裝置測試了網柵對雷達波的屏蔽實驗;認為利用金屬網柵技術對雷達波具有一定的屏蔽作用,而且不影響精確制導的紅外線高效透過。Sensors using fbg as the sensing component have many advantages including light weight, small size, anti electromagnetism interference, convenience in fiber connecting, wavelength absolute coding etc. multiple point detection of materials ( temperature, strain etc. ) can also be achieved by connecting several sensors into a net using variety of multiplex techniques and embedding it into or sticking on the surface of the material or structure
以光纖布拉格光柵( fbg )為傳感元件的傳感器具有重量輕、體積小、抗電磁干擾、易於光纖連接、波長絕對編碼等優點,還能把多個傳感器利用各種復用技術連接成傳感網路,埋入材料和結構內部或貼裝在其表面,實現對其特性(如溫度、應變等)的多點監測。Firstly the thesis expatiates the basic concept of reverse engineering, analyzes the basic principle of reverse engineering, the technology & theory of three dimensional measuring and basic theory of building 3 - dimensional free - form surfaces model. secondly it introduces the smooth methods of the free - form surfaces of auto body and solves point - data and surface reconstruction. finally the thesis expatiates applications and technology of auto body of futian heavy truck through reverse engineering
本文首先將闡述逆向工程的基本概念,分析車身逆向工程的基本原理以及車身逆向工程中三坐標測量技術與原理,車身表面三維數學曲面模型建立的理論基礎,其次介紹車身外形曲面光順方法,以及車身逆向工程中點數據處理技術及曲線曲面重建技術,最後結合福田重卡車身逆向開發,重點闡述車身逆向工程技術的應用與流程。With the advantages such as simple structure, small volume, ease to make, high cost - performance and remote analysis, optical fiber biosensors have been widely applied in clinical diagnostic, environmental protection and food service industry
光纖倏逝波生物傳感器具有結構簡單、體積小、製作方便、性價比高和可遠距離分析等優點,在臨床醫學、環境監測以及食品工業得到了廣泛應用,在軍事醫學、生物戰劑檢測等軍事領域也表現出了極高的應用價值,受到了高度重視。After the examination of pcr, one non - fluorescent cell clone had the same result as the plasmid ploxifn - a 1000bp product ; another non - fluorescent cell clone showed a 500bp product, a deletion reaction was thought to happen between the two lox sites in the genome under the reaction of cre recombinase so that the gfp gene and neo gene etc were cut
經pcr檢測后,有一個不發光細胞克隆擴增出了與對照質粒ploxifn相同的約1000bp的條帶,表明發生了替換反應;另一個不發光細胞克隆認為是在cre重組酶的作用下其內部自行發生了剪切作用,剪切了gfp基因,從而只擴增出了載體序列和一個lox位點的約500bp的條帶。Abstract : the measurement of laser - induced damage optical surface play an important role in development of laser weapon or the national ignition facility. in this paper, by combining with the experiment, we comment on the defects and advantages of two measurement method, i. e. one on macro - measurement of the reflectivity of he - ne laser, and other on micro - measurement of the topography for damage spot
文摘:激光損傷光學表面的檢測在激光武器和激光核聚變驅動器的研究過程中佔有重要的地位,結合實驗研討了激光損傷光學表面的檢測原理,即宏觀檢測與微觀檢測原理的優缺點。分享友人