最小照度 的英文怎麼說

中文拼音 [zuìxiǎozhàodù]
最小照度 英文
minimum illuminance
  • 最 : 副詞（表示某種屬性超過所有同類的人或事物） most; best; worst; first; very; least; above all; -est
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 照 : Ⅰ動詞1 （照射） illuminate; light up; shine 2 （反映） reflect; mirror 3 （拍攝） take a picture ...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  1. The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well

    從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。
  2. The phase - shifting interference is a osculant and high precision technology base on the wavelength. because of the different size of object being measured leading to different size of interference wave which brings on asymmetry of the interference wave ineluctably we adopt the zoom lens to improve the measurement precision. considering the interferometer ’ s sensitivity to the vibration the interferometer is often used in the lab which restricts it being used widely

    移相干涉術是以光波波長為單位的非接觸式高精度測量技術，為了使大小各異的被測元件產生的干涉條紋尺寸大小一致而引入了變焦鏡頭，從而不可避免地導致干涉條紋亮暗不均勻和照度改變的問題，最終影響測量精度。
  3. Zhoushan has a northern subtropical monsoon marine climate with clear four seasons ; leading wind directions are southeast wind in summer, northwest wind in winter. with an annual average wind speed of 3. 3m s ; and an average temperature of 15. 6 - 16. 6, and the frost free period reaches 251 - 303 days perannum, annual average sunshine time 1941 - 2257 hours, and the annual preeipitation is 927 - 1620 mm

    舟山屬北亞熱帶南緣季風海洋型氣候，四季分明主導風向，夏季為東南風，冬季為西北風，年平均風速3 . 3米秒年平均氣溫15 . 6 . - 16 . 6 ，冬季最低溫為- 1 ，夏季最高溫度為37無霜期251 - 303天，年日照時數1941 - 2257小時年降雨
  4. According to this model a monolayer of fines coating the coarse is the minimum needed to bring the viscosity down.

    按照這個模型，粗粒物料覆蓋以單層細粉是使粘度降低至細粉粘度的最小需要量。
  5. The author mainly anticipates the task including the simulation of eye fundus imaging and image mosaic. on the base of the dr principle and ophthalmic phototropism study, the author analyze and contrast new fundus camera system with traditional fundus camera. the author will establish the eyeball model with 3ds max technology, imitate the simple eyeball dioptre system and simulate the narrow - angle imaging to ensure the rationality and authenticity of fundus image, which solves the object origin of later image process, then fast mosaics the nine piece of fundus images with the help of the image registration theory and acquire a piece of wide - view fundus image containing more information, thereby provides doctor with enough diagnostic detail, which solves the problem of narrow view

    作者在熟悉糖尿病性視網膜病變原理和眼科屈光學的基礎上，進一步研究分析了新型免散瞳眼底照相系統和傳統眼底照相機原理和區別，擬採用3dsmax建立三維眼球模型，模擬眼球屈光系統，模擬眼底照相系統的小角度拍攝，使獲取的眼底圖像合理真實，解決後期系統圖像分析處理的對象來源問題;然後運用醫學圖像配準理論對模擬獲取到的九幅小角度眼底圖像進行快速拼接，拼成一幅大角度的眼底圖像，解決小瞳孔拍攝圖像視角太小的問題;最後通過對眼底圖像配準演算法在相似性測度和搜索演算法的比較，找到一種適合眼底照相系統的眼底圖像拼接的快速演算法。
  6. The function of illumination optics for projection displays is to direct light source onto a small area of microdisplay within a limited incident solid angle, and therefore the collection efficiency is especially important compared to other illumination applications, which is also the main technical issue for led application to projection displays

    摘要投影顯示之照明系統須將光能量集中照明於一小面積與小角度之內，相較于其他照明之應用，其集光效率之考量更為嚴苛，亦為發光二極體于投影顯示照明應用中最主要之技術課題。
  7. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  8. The results are as follows : the target and background irradiance snr on the detector ' s are greater than the minimum snr on a 40 - kilometer distance ; the target irradiance on the detector ' s target plane can comply with the minimum irradiance that is not beyond the capability of the detector ; the system effect range from the experiment data can satisfy this index

    結果表明40km距離處，目標與背景在光電探測器上的輻照度信噪比大於可探測最小信噪比；目標在探測器靶面上的輻照度滿足探測器所能探測到的輻照度最小值；實驗數據上推導出系統的作用距離能達到這一指標。
  9. With the basis of the system of nonlinear equations which is established by minimizing the error quadratic sum of theoretical and actual shaded value of the points on the typical surface, the parameters of the illumination models can be firstly determined by means of the least - square procedure

    首先，以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組，以非線性最小二乘理論為基礎，通過解非線性方程組確定光照模型各個參數值。
  10. With the basis of nonlinear least squares theory, the system of nonlinear equations is established by minimizing the error quadratic sum of theoretical and actual gray level of the points on the typical surface, and the parameters of the illumination models can be determined by means of the least - squares procedure

    以非線性最小二乘理論為基礎，以典型曲面上各點的理論灰度值與實測灰度值的誤差平方和最小為目標建立非線性方程組，通過求解非線性方程組來確定光照模型的各個光照參數。
  11. The analysis on the test result shows that the temperature distribution in cfst members caused by solar radiation is nonlinear, and the nonlinear character is most evident when center point of concrete gets its lowest temperature. the temperature of the center point is affected by various directions, especially the strong potential. in the side exposed to the sun in the afternoon, apart from the center point, temperature varies laggardly when the point of concrete in the same series is more close to the center

    結果表明，日照作用下截面的溫度場為非均勻場，混凝土中心的溫度達到最小值時，截面溫度場的非線性特性最明顯，圓心點的溫度受各個方向溫度的共同作用，更多地受到強勢方向的影響;下午時處在向陽面的各系列，同一系列上混凝土各點溫度變化隨直徑縮小趨緩，越靠近圓心，溫度變化越緩和，對外部環境（包括氣溫與日照）的影響呈滯后現象越明顯;而在下午時處在背陰面的各系列除圓心點外，同一系列上越靠近圓心的混凝土測點，溫度變化越緩和。
  12. Therefor whenever the flood was coming, it is very important that we were prepared to control flood at any moment and safeguard our lives and property and did our best to minimized the damage by some science means, the dss of controlling the flood this paper introduced ought to reflect flood disaster real - timely, list all feasible projects by referring to historic experiences and pre - making plans, find out the optimization of all projects by integrated evaluating for decision maker

    因此，當洪水到來時，作好防洪準備，採取有效措施，隨時保護人民的生命財產的安全，盡量把損失降低到最低程度，意義十分重大。防洪決策支持系統的建立，必須能為決策者展現洪災實時的具體情況，參照歷史經驗和預先制定的防洪預案，列出適合當前洪水狀態的全部防洪方案可行集，利用綜合評價方法求出洪災損失最小的最優防洪方案。
  13. It can educe the max of temperature raise from the curve. furthermore the numerical value is small than the max of temperature raise absolute radiometers measure the solar irradiance with sun - tracking

    從此曲線圖中，可以得出絕對輻射計的溫度升高所達到的最大值，而該值要比絕對輻射計用跟蹤太陽的測量方法測量太陽輻照度時，其溫度升高所達到的最大值略小。
  14. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術，按照頂層設計思想，採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架，設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等，利用該單片機獨有的hso和hsi介面及其強大的指令系統，實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制，在此基礎上，該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  15. The design method of double crank mechanism and optimum transmission double crank mechanism are presented according to the conditions of minimum transmission angle, the time ratio, the factor of velocity variety or the minimum size

    摘要研究了按照最小傳動角、速度變化系數、行程速比系數以及尺寸和最小等條件設計雙曲柄機構以及最佳傳動雙曲柄機構的方法。
  16. This thesis suggests a process considered minimizes the population size as similar individuals occur in the fitter members of the population, which helps reduce the execution times for ga by removing the redundancy associated with the saturation effect found in the later generation. this thesis uses a method that adds dynamic penalty terms to the fitness function according to the optimal degree of solutions, so as to create a gradient toward a feasible suboptimal or even optimal solutions. on the basis of the difference of the biggest and the smallest of fitness of individual, modifying the fitness function in order to convergence is a satisfaction

    動態調節種群大小，去掉遺傳演算法在迭代後期搜索產生的過多相似個體，達到減少計算時間的目的；按照解的優劣程度給適應度函數增加一個在ga搜索過程中動態改變的可變罰函數，給搜索最優解創造一個梯度，使遺傳演算法收斂到可行的較優解或最優解；根據適應度值最大和最小個體的差修正適應度函數，使適應度函數值適中不容易造成收斂太快、局部收斂或根本不收斂而變成隨機搜索；為了避免「近親繁殖」採用競爭擇優的交叉操作；利用并行遺傳演算法的思想，提出一種自適應多子種群進化策略；提出人口汰新政策來解決類似甚至相同的個體的情況發生。
  17. Reconfiguration approach of distribution network based on both system reliability and feeder loss is presented in this paper. being an objective function both to maximize the reliability and to minimize the loss of network, constraint conditions are considered as operation limits. an optimal method of the minimizing both the average service unavailability index and feeder losses is described in this paper

    本文以配電網可靠性最高、網路損耗最低為目標函數，以配電網的運行滿足電力連續供應為約束，提出了基於排序選擇、對違反約束個體進行直接比較的改進自適應遺傳演算法，對配電網的可靠性按照深度優先搜索最小路進行計算，對系統的網路損耗按照牛頓? ?拉夫遜法進行計算。
  18. For consideration of principle of photometry and experimental research, with 2d gray image of typical surface ( spherical surface ) taken with digital camera, and by use of nonlinear least square optimizing method, the illumination parameters of four local illumination models, that are lambert, phong, torrance - sparrow and cook - torrance model, are determined. and with statistics analytical principle, regression analyses are made to compare the fitting precision of these illumination models under the current experiment condition. comparing torrance - sparrow model with others, an improved illumination model for measurement of surface is developed

    結合光度學原理，從實驗研究入手，通過用數字相機實際拍攝的典型曲面（球面）的二維灰度圖像，應用非線性最小二乘優化方法研究確定了現有的lambert 、 phong 、 torrance - sparrow和cook - torrance四種常用局部光照模型的光照參數，利用統計分析原理分析了這四種光照模型在當前實驗條件下對實際圖像灰度數據的擬合精度，並對擬合精度較高的torrance - sparrow光照模型加以完善和改進，發展出一種適合於曲面測量的改進光照模型。
  19. The theoretical analysis indicates that the main factors of cover - shelter properties of fabrics are cover factor of fabrics, fabric thicknesss, optical reflectance and absorbance of yarn. with a combination of distances and luminaces, 512 experiments were made to find out the relationship between the least distinguishable distance and reflectance coefficient

    通過理論分析，指出了影響織物能見度的主要因素有織物覆蓋系數、織物厚度、紗線的光學反射率和吸收率.將測試距離跟織物前與織物后目標物的照度組合成512項實驗，由此獲得最小分辨距離和反射系數間的關系
  20. Later on, after elaborating the disadvantages of the old methods in detecting and recognizing moving objects, a series of corresponding approaches are proposed, such as grid scan, local tracking bug and dynamic window in object tracing to reduce the huge data needed to be processed, maximum and minimum for selecting a proper segmentation threshold and improved conversion from rgb model to hsv and so on to decrease the influence of inhomogeneous lighting and the color noise, a bilinear interpolation in each quadrant to eliminate the bad effect on the recognition precise because of the distortions of the camera. after that, much emphasis is given on application study in pattern recognition with a feed - forward neural network. both the basic bp algorithm and improved bp algorithm in the study process are described in detail, and the later is used to quicken convergence speed and improve validity of the network

    然後，分析和闡明了傳統的運動目標檢測方法的不足，並在此基礎上結合研究中的實際實驗環境，提出了一系列解決方法，包括針對降低龐大數據量而提出的網格掃描、局部「跟蟲」追蹤和動態窗口掃描等目標檢測方法，針對實驗環境中光照不均和顏色干擾提出基於人機交互的最大最小值閾值選取方法和引入改進的rgb模型到hsv模型的轉換方法，為消除圖像畸變對識別精度的惡劣影響而採用的通過控制點進行雙線性插值進行畸變校正的方法；緊接著，概述了神經網路的發展歷史和幾種常用神經網路模型的特點，重點研究了前饋型神經網路在模式識別中的應用問題，詳細闡述了基本的bp演算法和學習過程中bp演算法的改進，從而使網路收斂速度更快，解決問題更有效，並在此基礎上，設計了一個基於bp神經網路的運動目標識別系統，給出了實驗結果。
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