機位測光 的英文怎麼說
中文拼音 [jīwèicèguāng]
機位測光
英文
camera position metering-
With a view to the contactor counterforce, which was calculated by the combination of spring - force and mechanical construction before, had the problem of mechanical matching. the contactor counterforce " one - off " measurement, which is realized by the synchronization testing of the placement based on opto - mechanism and the spring counterforce for the moving component, is put forward the fist time
針對現階段接觸器反力特性主要採用彈簧力與機械結構組合的計算方法，存在機械配合性問題，將接觸器光機電位移檢測與可動部件彈簧反力特性檢測同步進行，首次實現了接觸器反力一位移特性的「一次性」測量。The excimer laser diopter correction and aberration correction have been proved efficiency and safety. based on cad / cam, applied optics, ophthalmology, biomedicine and computer techonlogy, this paper studied the principle of excimer laser aberration correction. the conception, cause of formation and representation of wavefront aberration are introduced
準分子激光治療屈光不正及消除像差的有效性和安全性已被證實，本學位論文將cad 、眼科視光學、波前像差技術、生物醫學技術與計算機技術等多學科理論交叉結合，系統敘述了人眼波前像差理論，包括波前像差概念、表示方法、測量方法和產生的原因等。Optical 3 - d profilometry has been widely used for 3 - d sensing, machine vision, intelligent robots control, industry monitoring, biomedicine, dressmaking, etc. several 3 - d object profilometry methods, including moire technique ( mt ), phase - measuring profilometry ( pmp ), fourier transformation profilometry ( ftp ), modulation measurement profilometry ( mmp ) have been exhaustively studied
光學三維傳感已廣泛應用於機器視覺，實物仿形，工業檢測，生物醫學等方面，在三維面形測量中，對莫爾輪廓術，位相測量輪廓術，付里葉變換輪廓術，調制度測量輪廓術這些方法已經進行了大量深入的研究。The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological
分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward
文摘:在傅里葉變換輪廓術中，由於ccd探測器光電響應的非線性，將在測量中引入高次項，從而對相位的求解造成較大誤差，通過理論的推導定性地解釋了誤差的來由，並用計算機進行了模擬計算，最後提出了減小誤差的方法。Based on the investigation and research, the paper gives a testing method, which measures the taking off and landing distance of airplanes with the laser locating system for airplanes trace. and by way of the field measuring on plateau airports, we have got the integrated modifying coefficients of three kinds of airplanestaking off and landing running distance such as h6. all of these provide scientific basis for the runway length design of the plateau airport
在調研論證的基礎上，提出了利用《飛機起落航跡激光定位系統》測定飛機起飛著陸滑跑距離的測試方法，並通過高原機場實地測試，得出了三種飛機在高原機場上起飛著陸滑跑距離的綜合修正系數值，為高原機場跑道長度設計提供了可靠的理論依據。Secondly, introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology, and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character. thirdly, with the application of mode recognition method, completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology. fourthly, introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis, hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information
本文的研究工作主要包括以下五個部分：首先，介紹航空發動機常見的磨損故障類型，研究磨損故障的失效機理，分析磨粒的產生機理、分類以及形態特徵：其次，針對傳統鐵譜分析技術的缺點，引入圖像分析技術，再結合特徵參數優化篩選，形成基於圖像的磨粒顯微形態學特徵描述方法：然後，基於提取到的磨粒形態特徵信息，應用模式識別方法完成磨粒自動識別，並根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位：再后，鑒于單一方法不能提取足夠的故障徵兆信息進行磨損故障診斷，本文引入信息融合技術，開展航空發動機多故障徵兆信息綜合診斷方法的研究與探索；最後，基於航空發動機滑油光譜分析與鐵譜分析數據，應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied
本論文在激光光束波前畸變檢測和控制上進行了新的探索，主要就空間相位調制環路徑向剪切干涉儀以及它對波前畸變的檢測和液晶空間光調制器及其對中頻段波前畸變的控制進行了研究，其研究的內容和取得的成果如下：一、根據標量衍射理論，結合低頻波前畸變的高斯隨機位相分佈模型，研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響，並採用描述中頻段波前畸變的功率譜密度概念，模擬計算了它對激光焦斑旁瓣的貢獻。With the development of modern computer technique and higher - resolution image grabber, the digital processing technique for automatic optical fringe patterns analysis, especially phase analysis technique has become one of the most important methods in the optical interferometry and computer - aided optical metrology
隨著現代計算機技術的迅速發展和圖象獲取設備的解析度的不斷提高，光學測量干涉條紋圖象的數字處理技術特別是相位分析技術已成為光學干涉計量、計算機輔助光學測量中的重要技術。During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers
在氣門相位測量中，採用光柵位移傳感器和光電軸角編碼器，分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣，輸入計算機，對三路信號加以比較找出氣門的相位關系，從而為設計開發人員、品質控制人員提供可靠的測量參數。Including usign coordinate transformation method to deduce the uniform coordinate from the object coordinate to the photo coordinate, then setup the measuring error equation of apsse, this established the theory ground of usign the mont carlo method to analysis the error of apsse. there are errors from every tache of coordinate transform
由於建立機載光電跟蹤測量設備的測量誤差的位置傳遞方程是基於空間坐標變換的基礎上，從中心地平坐標繫到目標坐標系的變換涉及到幾十個環節，而每個環節都有誤差，其誤差的性質和大小直接影響對目標的定位測量。Quadrants sensor based on silicon are now widely used in many fields, such as laser collimation, homing, tracking and searching devices, precision measurement et al
基於硅光電傳感的象限傳感器廣泛應用於激光的瞄準、制導、跟蹤，搜索裝置，精密測量，如激光微定位、位移監控、精密機床的光電控制等領域。Various technical measures are adopted to make sure the accuracy of the laser ranging and the requirement of the high velocity of the laser ranging is satisfied. so the real - time measurement of the dynamic target is satisfied by using this method
該方法可以彌補現有一般相位激光測距機無法克服的缺陷，既可以保證一定的測距精度，又可以提高測距速率，從而可以對動態目標進行實時測量。( 3 ). put forward two structure scheme of opto - electronic deflection measurement sensor, light transmitting with non - mechanical scanning and light reflecting with non - mechanical scanning after compared exisiting methods of liquid level measurement to satify this needafter the comparison, an opto - electronic deflection measurement sensor based on light reflecting with non - mechanical scanning be confirmed. then the concrete design is to carry out, which includes the design of reflective surface, the design of pds ( photo detective subassembly ) ' s bracket, the design of floater and the design of shaking - absorbed accessory. during the process, there are a series of caculations and emulations. at last, the opto - electronic deflection measurement sensor has been designed and produced
比較了現有液位測量方法后提出了能夠滿足大佛寺長江大橋撓度測量要求的基於連通管的光電撓度計的非機械掃描光透射式和非機械掃描光反射式的兩種方案，通過比較確定了非機械掃描光反射式方案。隨后通過對該方案進行具體的零件設計，主要包括反射面的設計， pds （光電接收組件）支架的設計，浮子的設計以及減震零件的設計等等，在設計的過程中包含了一些理論計算和模擬，最終設計和製作了光電撓度計。A series of tests have been carried out on the accomplished inertial system. in the position location tests, the cep of the system is less than 1 nm / h
在所研製的機抖激光陀螺捷聯慣導試驗系統上進行了一系列的測試，在所做的幾次定位測試中系統一小時的圓概率誤差優於1海里。First, we can use a camera to take over the laser beam at one end, record the position of the light - spot, and calculate the centroid of the light - spot, then, move the laser on the guide rail. we should rectify the screw until the position of light - spot is unchangeable. then, the camera should be moved to the other end of the guide rail
先用攝像機在一端接收激光器發出的光斑，並記錄光斑的位置，求出其質心，然後在導軌上移動激光器，調節頂絲，直到攝像機上的光斑位置不動為止，然後將激光器移到導軌另一端，讓激光器在導軌上滑動，調節頂絲，直到攝像機上光斑位置不變，而且與前一次測試時的位置在誤差允許的范圍內，則認為激光器直線性校準完畢。Basing on the profound power in scientific and technology, company has developed 4 series, 18 specifications material level measurement equipments including nuclear, photo - electronic, radio frequency and mechanic products
多年來公司以雄厚的科技實力為依託，開發了包括核子、光電、射頻、機械等自主知識產權的4個系例， 18種規格的物位測量儀表。The paper analyzed the typical method of positioning of optical fiber in astronomic observation. according to the structure ' s characteristics and the working demands of lamost, bring forward the new plan on positioning of optical fiber that the focal plane is divided up many unit zones
通過對天文觀測中光纖定位典型方法的分析，結合工程的特點和工作要求，提出了在焦面上進行分區，並且在單元區域內做直線運動和旋轉運動的雙電機單元光纖定位機構的方法。The new measure and amend method of micro step is specially used to measure and amend the microstep. in the base of the characteristic of the discrete current in phase, low resolution is used to substitute high resolution in the measure and amend process for reducing the cost of the process
錯位測量與逼近修正方法結合細分驅動的有限級離散化電流控制方式，將測量與修正有效融合的一種專用性很強的面向步進電機細分驅動的新方法，以低解析度圓光柵替代高解析度圓光柵，大大降低測量硬體成本。In this paper, firstly, position measurement tache in cnc system is treated, and the methods of raising space resolution of measurement component is discussed. on the basis of the above, we put forward a new grating signal subdivision method by means of software based on pc and design the corresponding hardware interface circuit
本文中，首先對cnc系統的位置檢測環節進行了論述，討論了提高檢測元件空間解析度的方法，並提出了新的基於pc機的對光柵信號軟體細分的方案，設計了相應的硬體介面電路。分享友人