目測光度術 的英文怎麼說
中文拼音 [mùcèguāngdùshù]
目測光度術
英文
visual photometry- 目 : Ⅰ名詞1 (眼睛) eye 2 (大項中再分的小項) item 3 [生物學] (把同一綱的生物按彼此相似的特徵分為幾...
- 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) ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 目測 : visualization; [軍事] range estimation; perusal; eye measurement; eye survey; visual measurement...
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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。Targets in the radar ppi have the main property of the little area, a few targets and irregular change of grey. so it is difficulty to detect and track the target. the study of the radar ppi is very few inland and abroad. with the development and implement of high resolution radar and high resolution raster display, target _ tracking and detecitng based on the radar ppi will be feasible. it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar
雷達ppi中目標的特點是面積小,目標或可能的目標多,灰度、形狀變化無明顯規律,所以檢測和跟蹤目標比較困難。基於雷達ppi的研究國內外甚少,隨著高解析度雷達和高分辨光柵顯示器的發展,基於ppi的雷達目標檢測和跟蹤成為可能。與傳統的雷達目標檢測技術相比,其潛在的優勢在於大大增加了信號的時間積累,因此有可能提高檢測性能。According to the minimum detectable power required by the spaceborne laser altimeter for 200km maximum range and the analysis result of the effect between the maximum range and the equation ' s each parameter, the specifications for noncooperative regulable attenuation setting were fixed on
根據月球探測激光高度計實現200km所需的最小可探測功率,各影響因子與最大測程關系的分析,確定非合作目標可調衰減法裝置的技術指標。On the basis of current investigation of both the domestic and foreign and current level of development, and contraposing difficulties and keys of autofocusing and measurement, this paper brings forward system of autofocus and measurement based on techniques of image processing of ccd. this system possesses merits of fast speed, high precision, small bulk and large dynamic range. it is able to carry out needs of fast, accurate, large range autofocusing and requests of noncontact and online measurement of workpiece face runout
本論文根據目前國內外現狀和發展水平,針對自動聚焦和端面跳動測量的關鍵點和難點,在普通光學儀器的基礎上提出了一種基於ccd圖像處理技術的圖像式自動聚焦及其測量系統,該系統具有速度快、精度高、動態范圍大、體積小等優點,實現了快速、精確、大范圍的自動聚焦和對工件端面跳動進行非接觸、在線測量的要求。Due to the uncertainty of factors such as far - range, atmospheric attenuation and operated target, a steady and reliable method and setting to characterize laser altimeter ' s performance is an important and difficult technology
由於測程遠、大氣衰減、被測目標物等不確定性因素,建立一種穩定可靠的激光高度計性能指標驗證裝置和方法,是一項重要的、必須解決的技術難點。In order to construct the perfect technique for this measurement, the theory and the experiments were extensively and deeply studied
本文以建立較完善的激光差分干涉測量稠密等離子體密度技術為目的,進行了深入而且廣泛的理論和實驗研究。At the present time the prediction method of attracting pest with black light and recognizing and counting by man is generally adopted. there are some serious shortages such as bad recognition accuracy and low efficiency. it reduces seriously accuracy and timeliness of prediction and is disadvantage in guiding insect disease prevention
目前普遍採用的黑光燈誘集害蟲、人工識別計數的測報方法,存在識別準確性差、效率低等嚴重缺陷,極大地降低了測報的準確度和時效性,不利於指導農田害蟲的防治工作,因此本文提出了基於機器視覺和小波分析的圖像識別技術,用於農田害蟲的自動檢測預報。The algorithm features full utilization of different installation positions and different angular resolutions of the two lrfs by assigning different tasks to them. the top lrf was used to set up the initial trace of new obstacles recognized from the result of d - s evidence theory based multi - period data fusion and the bottom one was used to maintain tracking of obstacles, providing relatively accurate positions of the obstacles
該演算法的特點在於充分利用了兩個激光測距雷達的不同安裝位置、不同解析度對障礙檢測造成的有利條件,將多目標跟蹤的理論和技術融入障礙檢測的軟體框架中,並結合d - s證據理論融合多測量周期的識別結果,由頂雷達建立障礙的初始航跡,而底雷達進行航跡的跟蹤和維持。With the development of the technology of the computer stereovision, the binocular stereo sensor has applied in field of industry detection, object identification, robot automatic guidance, navigation etc. with the appearance of new opto - electronic scanning technique, automatic technique, highspeed data processing technique and more effective algorithm, the binocular stereo ranging method has new headway and application the contents are arranged as following
隨著計算機視覺技術的不斷發展,立體視覺傳感器得到越來越廣泛的應用,尤其是雙目視覺傳感器的結構簡單、使用方便、速度快、精度高等諸多優點被廣泛應用地于工業檢測、物體識別、機器人自導引、航天、航空及軍事等很多領域。隨著新型光電掃描技術、新型陣列型光電探測器件及更有效的演算法出現,結合迅猛發展的自動控制與高速數據處理技術,立體視差測距方法有了新進展及應用。It utilizes the computer digital image processing technology. and this system can measure the characteristic parameters automatically and quickly, such as luminous intensity, center of far light, corner of the close light. the advantage is high accuracy, good repetition and automatic measurement
此系統採用多維精密可調工作臺,並利用計算機數字圖像處理技術,以vc + +編程實現,達到了自動測量出被測校準器的發光強度,遠光中心坐標,近光拐點坐標以及光軸偏角等特徵參數的目的。According to system requirements, this dissertation researches apt capturing system as below : ( 1 ). analyzing the ingredients of apt system, it includes launch and scan system, object reflector system, position & distance survey system, distance & speed survey system, and apt control system
本文結合系統要求,對apt捕獲技術作了如下研究: ( 1 )分析了空間交會激光雷達apt系統的組成部分:包括發射掃描系統,目標反射系統,位置姿態測量系統,距離速度測量系統,以及apt控制系統單元技術。Aiming at the requirement of aspheric optical parts and the present state of their testing, it will have an important practical value to develop an equipment that will be easy to operate, commonly used and will have high testing precision
針對目前對非球面光學零件的需求和非球面檢測技術的現狀,探索一種操作簡便、通用性強、檢測精度高的檢測儀器具有重要的實用價值。The problem of accurate measurement of micron - sub - micron particle size arose people ' s attention greatly in producing and science research, it has influence on the development of many fields, such as environmental protection, industrial production quality control, medical treatment etc. the measurement method by light scattering is advanced, widely used and prospective
在生產與科學研究中,對微米-亞微米級顆粒粒度的準確測量越來越引起人們的關注。它對環境保護、工業生產質量控制、醫療衛生等眾多領域的發展有著重要的意義。光散射法是目前使用的一種先進、應用最廣泛和最有發展前景的一種顆粒測量技術。In the field of fundamental research, such as quantum optics, blue light can be used as a pump source of optical parametric oscillator ( opo ) to generate the neoclassical light fields around wavelength of 860nm, which can be detected with 99. 9 % of quantum efficiency, the highest efficiency in the measurement of neoclassical light as known yet it is also possible to generate the squeezed vacuum state at 852nm, which is the resonance wavelength of the transition line d2 of cesium atoms and can be supposed to investigate the properties of atomic radiation in the interaction between atoms and quantum state of light fields
在量子光學中,該藍光作為下轉換的泵浦源,可以產生860nm非經典光場,其探測效率可達99 . 9 ,高於目前產生的其他任何波段的非經典光場。同時通過溫度調諧,可望產生與銫原子d2線作用的852nm波段的壓縮真空態,從而開展非經典光場與冷原子的相互作用等方面的實驗研究。本文主要通過knbo _ 3晶體外腔諧振倍頻技術來產生藍色激光光源。The paper contrasted and analyzed main scheme at present, and brought forward a co - and applied ire system model, viz., the ire system based on the 360 ? rotating laser measurement and pro / scan - tools
文中對比分析了目前主要的技術方案,提出了一種非常方便而實用的ire系統模型,即基於激光360度回轉測量及pro scan - tools的ire系統模型。Based on the processed images, we can do the further computerized quantitative measure of parameters including area, perimeter, integrated optical density, average diameter, shape factor, number of bifurcation and end points, etc. our self - developed and localized system has a reliable property and a high ratio of performance and cost proved by our experiment
對感興趣區域內的目標自動測量參數,如:面積、周長、綜合光密度、平均直徑、形狀因子、三叉點、端點等。與其它類似系統相比,本系統具有性能穩定,開發成本低,技術性能價格比高的優點,成為國內醫務人員易於掌握與使用的醫學應用系統。Optical tomography of biological tissue has become an active research field because of the advantages of noninvasive, sensitive and functional imaging for biomedical diagnosis. it is very helpful to find cancerous tumor of parenchyma organs in the initial stage, but the biological tissue is optically turbid and a strong scattering media, which results in a limited penetration depth of several millimeters with high resolution
光學相干層析技術,作為一種新型的無損醫學成像檢測方法,其探測精度高,而且有可能實現功能成像,對于癌變組織的早期發現和診斷具有重要的意義,但受目前技術的局限性,還不能完全滿足臨床應用的要求。Measurement accuracy of phase - shift laser range finders is up to millimeter level in large range through multi - frequency modulation and high precision phase difference measurement. however, laser range finders existing is not suitable for large range high speed tracing measurement for their complex multi - frequency modulation circuit and conflict between precision and speed in phase - shift measurement. in order to improve the large range measurement speed and accuracy, key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper
相位法激光測距採用多頻調制和高精度的相差測量技術可以在大范圍內實現毫米甚至更高精度的測量,但現有的測量裝置由於存在多頻調制電路復雜和沒有很好的解決相差測量的高精度和快速測量之間的矛盾問題,使得相位法激光測距很難應用於大范圍目標快速的跟蹤測量。At present, the practical problem that the target place faces is that the target is too small, the distance is far, the contrast ratio between the target and background is small. in order to improving the recognition capability of the equipment to the low contrast ratio target, fast and effective pattern recognition becomes one of key technology which influences systematic function
目前靶場所面臨的實際問題是測量目標小,距離遠,目標與背景對比度小,為了提高靶場光測設備對低對比度目標的識別能力,快速、有效的圖像識別處理成為影響系統性能的關鍵技術之一。High accuracy correlative detection technology of object signal is to search and detect objects by optical correlation, and it can detect real - timely, recognize automatically and orientate precisely, optical correction processes images at light speed and its device is simple, and fourier transformation can be realized
高精度光學目標信號相關測試技術,利用光學相關探測方法,對要搜索、探測的目標進行實時探測,自動識別,高精度定位。光學相關是以光速進行的,處理速度快,結構簡單,利用由空間域到頻率域的傅立葉變換來實現的,本文針對如何設計傅立葉變換系統實現光學相關進行研究。分享友人