針孔系統 的英文怎麼說
中文拼音 [zhēnkǒngxìtǒng]
針孔系統
英文
pinhole system-
This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析，理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。Based on the theory analysis and experiment work, the paper studies the humidifying property of the centrifugal nozzle with firing pin type, high pressure and little aperture. compared with the traditional air washer, the high efficiency and energy saving character of this kind of nozzle is stood out
課題從理論和試驗兩方面分析研究了撞針型高壓小孔徑離心式噴嘴的霧化加濕性能，並將其與傳統噴水室加濕系統進行能耗比較，突出了撞針型高壓小孔徑離心式噴嘴高效節能的特點。But now there hasn ’ t any measure system for seven - hole probe which can integrate pressure data acquisition and data processing together. so it costs much time to complete the shp calibration and the probe use
但是目前七孔探針作為流場測試裝置並沒有相應的測試系統與之配套，數據的採集與處理並沒有一體化，所以七孔探針校準和使用繁瑣耗時。In this article, the shp measure system based on the hardware of pci - 9114 ( daq ) and coordinator u511 is developed in vc + +. this system is good at getting the pressure data in the space mesh and processing it into velocity, total and static pressures and the field picture
本文通過vc + +開發了數據採集和處理一體化的基於pci - 9114數據採集卡和u511坐標控制器的七孔探針測試系統，該系統能自動採集空間網格點上的壓力數據，然後處理成所需的速度和總靜壓數據，並完成初步的流場繪圖。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想，以及針對凍土地區普通混凝土樁存在的三大問題，提出了一種新型樁的設計思路，運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究，即在凍融活動層的深度范圍內，在混凝土樁身的表面刻槽，修築完時槽內填充碎石、塊石等多孔介質，通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制，而在夏季只存在熱傳導，來達到主動冷卻樁周凍土和抬升凍土上限的目的。The two experiments on the shp calibration and the flow field measure of parachute are be finished with the use of the two kinds of shp measure system separately in wind tunnel. the analysis of the experimental process and data help a lot to both of the improvement of shp measure system and the shp experimental techniques
七孔探針校準實驗和降落傘流場測量實驗分別使用了上述兩套測試系統，通過對實驗結果進行分析，本文提出了在七孔探針校準和七孔探針測量時需要注意的若干問題，對這些問題的深入分析有利於七孔探針測試系統和七孔探針實驗技術的完善。Out of the concept of virtual instruments, another shp measure system is developed in labview. the system can detect and get the fluid characters of the measure point very quickly just as an instrument which can be used very conveniently
基於虛擬儀器思想，本文又開發了基於labview技術的七孔探針測試系統，該測試系統能迅速進行位置點的七孔探針測量，並直接進行測量結果顯示，使七孔探針使用方便快捷。Air electrode, in which nh _ 4hco _ 3 is as pore former, is mainly studied in this paper. the manufacturing process of air electrode, the composition of waterproof and gas diffusion layer, the composition of catalysis layer, and two kinds of catalyst were studied by numbers
本文針對以碳酸氫銨為造孔劑的空氣電極進行研究，分別對電極製作工藝、防水透氣層組成、催化層組成以及兩類催化劑進行了初步系統的探索和研究。Aimed at the abundant calculation in the motion planning of redundant robot manipulator, the motion controlling algorithm in peg - hole assembly manipulator is also studied on the ground of the traits of the peg - hole assembly and the real - time responsibility of control system
針對冗餘度機器人操作臂運動規劃存在計算量大等問題，本文基於軸孔裝配的機械操作臂，並結合軸孔裝配作業的特點以及控制系統的實時性要求，開展了運動控制演算法的研究。Abstract : the paper studies the important technique and index in application scope ， equipment configuration ， operating duty ， energy consumption ， irrigation application efficiency and economic benefit of pipe - sprinkler combined irrigation, and presents the usage method of the low - pressure pipe and multi - hole micro - sprinkler ribbon combined system
文摘:針對管噴結合灌水技術的應用范圍、設備配置、運行方式、能耗、灌溉水利用系數以及效益等關鍵技術及指標進行了探討，並提出了低壓管道和多孔式微噴帶結合系統的使用方法。In chapter 2, the following aspects are introduced in detail : the camera ' s pin - hole model, its distortion model, modified dlt algorithm, the programming, calibration performance of index and the designing of the experiment. moreover, several experiments are made to examine the measurement accuracy. finally, the paper discusses error analysis of this system
在第二章里，對攝像機針孔及其畸變模型、直接線性變換（ dlt ）改進演算法、程序設計、定標性能指標等幾方面的內容都做了詳細介紹；而且，論文中詳細闡述了實驗步驟，通過幾個實際算例驗證了系統的定標精度，並做了誤差分析。In this dissertation, a measurement set - up called image simulator is presented
本項目針對一維綜合孔徑微波輻射計系統研發出一種裝置? ?圖像模擬器。Non - destructive testing - characteristics of focal spots in industrial x - ray systems for use in non - destructive testing - pinhole camera radiographic method
無損檢驗.無損檢驗用工業x射線系統的焦點特性.針孔攝影機射線照相法Non - destructive testing. characteristics of focal spots in industrial x - ray systems for use in non - destructive testing part 2 : pinhole camera radiographic method
無損檢驗.無損檢驗用工業x射線系統中焦點的特性.第2部分:針孔照相機射線攝影法In view of the reservoir characters of severe heterogeneity, wide pore radius distribution, unpredictability of pore radius, and unrealized protection for whole hole section and bad protection effect by conventional shielding temporary plugging technology, we designed a broad spectrum oil film temporary plugging drilling and completion fluid system for reservoir protection
摘要針對油層非均質性強、孔徑分佈范圍較寬、油層孔徑難以準確預知，常規屏蔽暫堵技術幾乎無法實現對整個油層井段的保護、油層保護效果差等特點，設計了廣譜「油膜」暫堵型保護油層鉆井完井液體系，並進行了室內系統評價和現場應用。These lens caps include a pinhole to protect the unit from bright light, but still allow the user the option of daytime use
這些透鏡蓋包括針孔，在明亮的環境下以保護系統，但仍允許用戶選擇白天使用。First, author studies oppressive jamming technology of sar based on its system gain, analyses its fundamental theory and jamming mechanism, programs an integral simulation software which produces noise data of several kinds, at the same time carries out many simulation experiments under different noise - to - signal ratio of each noise type, then makes in - depth analysis and comparison on those images resulting from simulation experiments and summarizes some conclusions of theoretical and practical value
作者首先在分析合成孔徑雷達系統增益的基礎上研究了壓制性干擾技術，分析其基本原理及干擾機制，編制了一個完整的干擾模擬軟體，產生多種類型的噪聲數據，針對每種噪聲類型又調整其噪信比進行了大量的模擬實驗，然後對實驗的結果圖像進行了深入的分析、比較，總結出了具有一定理論和實用價值的結論。A system of real time image acquisition is developed. a method based radial alignment constraint is brought forward, and it is using linear method to calibrate the camera. at the base of studying image preprocessing, edge detection, image thining, image recognition, etc, the system of image process and recognition is developed and is used to calculating the position and pose
本論文建立了圖像實時採集系統，提出了基於徑向排列約束的攝像機線性標定方法，並在針孔模型的基礎上標定了攝像機；在研究圖像預處理、邊緣檢測、圖像細化、圖像識別等演算法的基礎上，建立了圖像處理識別系統，並計算物體的位姿。To measure big size sheet part with holes automatically, a kind of automatic image measurement system with precise x - y platform is introduced, which can perform visual guidance localization and automatically taking pictures
針對大尺寸孔系薄板零件的自動測量，提出了一種帶精密x - y平臺的視覺引導定位、拍攝圖像的自動圖像測量系統。分享友人