射影測度 的英文怎麼說
中文拼音 [shèyǐngcèdù]
射影測度
英文
projective measurement-
And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。Meterals and methods subject were 30 male wistar rats which were made febrile by lps intraper - itoneal injection. the rectal temperature of the rats were monitored by the digital esthesiometer. effect of - mshon fever was observed and changes in levels of avp both in the plasma and csf were detected a fter administration of - msh
材料與方法實驗採用雄性wistar大鼠，並建立大鼠lps性發熱模型，通過檢測大鼠直腸溫度，觀察靜脈注射- msh對大鼠lps性發熱反應的影響及血漿和腦脊液中avp含量的變化。In experiment, the dsc technique was used to analyze the effect of electric fields on the precipitate kinetic of al - li alloy solutionized with electric fields. the energy spectrum, tem and sem techniques are employed to investigate the elements solution, precipitates, fracture character, conductivity and vickers hardness. also, the solidification of al - cu eutectic alloy was conducted with the influence of electric fields
在實驗上，利用dsc熱分析技術，分析了電場作用對al - li合金相析出動力學的影響；採用能譜成份檢測，透射電鏡和掃描電鏡等多種微觀檢測手段，對鋁合金的析出相，斷裂特徵、合金電導率和維氏硬度等性能在電場作用下的變化進行了系統的研究，並觀察了al - cu共晶合金在電場作用下的凝固組織。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。Abstract : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
文摘:利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料，對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒（ tsp ）及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理，分析了該地區浮塵、揚沙和沙塵暴形成規律，氣候變化特徵和賀蘭山的影響。Our experiments show that the photogrammetry with digital camera has a better precision and the large scale topographic map and orthograph can be produced with it
試驗證明利用數碼相機進行攝影測量精度很高，能夠用來測制大比例尺地形圖和正射影像圖。A method to calculated influence of meteorological elements me asurement errors on firing accuracy is discussed ; the effect of meteorological measurement errors on firing accuracy is analyzed
討論了氣象條件測量誤差對射擊精度影響的計算方法，分析了其對射擊精度的影響。In addition to the fixed ground - based radiation monitoring network, aerial and mobile ground surveys will be conducted to determine whether there is radioactive material over hong kong, and if so, the extent of its spread and whether any parts of the territory have been contaminated
除了使用輻射監測網路外，天文臺更會在境內進行空中及地面輻射巡測，以確定本港是否受放射性物質影響，並進一步偵測其污染程度及分佈情況。In the research realm of the target identify, an important topic is to minish the laser radar cross section of the space target for target stealth. the laser radar probes a target is based on the target under the laser, the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc. to identify a target
在目標識別研究領域有一個重要的課題是減小空間目標的激光雷達散射截面便於目標隱身。激光雷達探測目標是根據目標在激光照射下，激光散射的強度、偏振和相位等的空間和時間分佈特徵來識別目標，目標表面粗糙度是影響目標激光散射特性的重要影響因素。After obtaining correct projective depths, we decompose the measurement matrix into camera motion in projective space and projective reconstruction by svd
在獲得正確的射影深度后，通過奇異值分解將測量矩陣分解為射影空間下的攝像機運動和物體三維幾何形狀（射影重構） 。Taking the measurement matrix rank 4 as the constraint, we propose two methods to estimate projective depths iteratively : ( l ) the algorithm of estimating projective depths based on conjugate gradient method ; ( 2 ) the algorithm of estimating projective depths based on genetic algorithms
以測量矩陣的秩為4作為約束，以仿射投影逼近透視投影，提出了以下迭代估計射影深度的演算法：基於共軛梯度法的射影深度估計演算法，基於遺傳演算法的射影深度估計演算法。In case there is an accident resulting in the release of radioactive materials that affect the territory, emergency radiation monitoring will rapidly determine the concentration and distribution of the radioactive materials over the territory for assessing nuclear accident consequences and considering necessary countermeasures
萬一核電站泄漏的放射性物質影響香港，應急輻射監測須迅速測量放射性物質在香港境內的濃度及分佈，以協助評價它對香港的影響及考慮須採取的防護措施。In this thesis we have expatiated on the methods of the c60 thin films preparation, and the process with vacuum evaporation. the effect, which was caused by different gas pressures and other element doped, on surface morphology, structure and optical properties of c60 films have been studied by using scanning electron microscopy ( sem ), ultraviolet visible optical absorption spectroscopy ( uv / vis ) ( type : uv - 240 ), ellipsometer and x - ray diffraction
本論文闡述了用真空蒸鍍法制備c60薄膜的方法和過程，研究了在不同氣氛下生長和摻雜對c60薄膜的表面形貌、結構和光吸收特性的影響；用xl30fge型掃描電鏡對c60薄膜表面形貌進行觀察；用uv - 240型紫外可見光雙光束分光光度計進行紫外、可見光吸收測量；用橢偏儀對薄膜進行厚度和折射率測量；用x射線衍射對薄膜結構進行分析。Date integration technique was used to analyze the relationship between monthly mean daily clearness index kt and s, the ration of monthly mean daily sunshine duration to possible sunshine duration as well as that of monthly mean daily direct transmittance kb. based on data from 1957 to 2000, a series of kt and kb estimation models with different temporal and spatial scales were established. furthermore, the distributions of kt and kb from january to december in chongqing were mapped by kriging interpolation for long - term mean
大氣輻射過程模擬通過晴空指數、直接透射率等綜合描述大氣對太陽輻射影響的參數，採用重慶市及其周邊地區1957 - 2000年日射站觀測的月輻射資料和常規月氣象觀測資料，利用數據集群技術，建立了不同時空尺度的太陽輻射估算模式；使用kriging插值法，完成了重慶市氣候平均狀況下各月晴空指數、直接透射率的空間制圖。In the temperature measurement, using a means of the optical fiber homochromous radiation temperature measurement, the mathematical model is created, and the temperature is monitored in real time. in the displacement measurement, the reflex mode method of displacement measurement of optical fiber is adopted. in order to eliminate the unstability of measurement system created by the illuminant receiving outside disturbance, the system designs referenced channel to assure the reliability of measurement and monitor the change of displacement in rea time
在溫度測量中，採用光纖單色輻射式溫度測量方法，建立數學模型，實時監控溫度的變化；在位移測量中採用光纖反射式位移測量方法，為消除光源受外界干擾給系統測量帶來的影響，系統設計了參考通道，以此保證測量的可靠性和高精度，實時監控位移的變化。Consideration of bp arithmetic of neural network has good character in function approach, we use it to ameliorate the colorimetric method to calculate the project temperature
在綜合考慮了所有可能的誤差因素之後，提出了一種利用bp神經網路實現圖像色度信息向投影溫度映射的投影溫度測量方法。Photography - projection in indoor rooms - classification of transmitting projection screens and measurement of their transmitted luminance levels
攝影.室內投影.透射投影屏的分類和其透射光亮度水平的測量Many laboratory experiments indicate that using y ray attenuation method to measure sediment concentration is totally feasible. the measurement result is accurate and reliable and is not affected by the type of soil. therefore it is a quick and simple method that can measure sediment precisely
大量室內試驗結果表明採用射線透射法測量泥沙含量完全可行，且測量結果準確可靠，不受土壤類型的影響，是目前現場快速、簡便、高精度的非擾動泥沙含量測量方法。Photography - transmission and reflection densitometers - method for determining performance
攝影技術.透射和反射光密度計.性能測定方法分享友人