解像像元 的英文怎麼說

中文拼音 [jiěxiàngxiàngyuán]
解像像元 英文
resolution pixel
  • 解 : 解動詞（解送） send under guard
  • 像 : Ⅰ名詞1 （比照人物製成的形象） likeness （of sb ）; portrait; picture 2 [物理學] image Ⅱ動詞1 （在...
  1. 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。
  2. Our research studies the principles and methods when use postscript language to describe a page, uses monomial comparison to analyze how text, graphics and images are described. specially, the procedures describing image are analyzed in detail

    論文從實用的角度研究了postscript頁面描述語言的描述原理和方法，使用定項比較法解讀postscript文件中文字、圖形和圖像等元素的表示方法，重點剖析了描述圖像屬性參數和數據的各個過程。
  3. The relation between area of ccd saturation and 0. 632 m 、 1. 06 m laser power / energy was measured. the ccd camera was disturbed by strong radiation from laser outside the field of view in experiment. the relation between the area of ccd saturation and off - axis angle was measured

    通過實驗，得到激光干擾ka - 320型面陣ccd光電探測器的像元飽和閾值、探測器靶面飽和閾值、局域損傷閾值，並得到了0 . 632 m與1 . 06 m波段入射激光功率與ccd靶面飽和程度的對應關系曲線，了解了面陣ccd探測器受激光干擾的各個階段。
  4. The codec supports vector images metafiles

    編碼解碼器支持矢量圖像（圖元文件） 。
  5. According to the configuration and ecotope of the earths surface, the coverage of vegetation, occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data

    利用外業調查數據，依據地表形態和生態狀況的變化，確定了植被蓋度、裸沙地佔地百分比和土壤質地3項評價指標，並建立了基於遙感的科爾沁沙質荒漠化評價指標體系，其中裸沙地佔地百分比用混合像元分解的方法獲得。
  6. And the relationship between constrained least square unmixed accuracy and within endmember variances was analyzed with simulation data

    然後用數值模擬的方式進一步研究了端元內部光譜與限定性混合像元分解精度的關系。
  7. The propagation law also exposures that less selection of endmember would lead to blunder model error, but over selection of endmember is still unbiased estimation of abundances

    數值模擬結果表明混合像元分解精度與端元類內變化的方差存在負相關的特點。
  8. 3 ) for weak noise interferogram or filtered interferogram, dyadic wavelet can be used to detect fringe edges. a gvf snake model was used to link discrete edges, the linked edges were kept well accordance with fringes of phase map. 4 ) phase unwrapping algorithm based on edge detection is suitable to well separated fringes, the unwrapped phase can be rewrapped to the original phase map

    4 ）對于低噪聲情況下或濾波后的干涉條紋圖，在基於邊緣檢測的相位解纏過程中，利用snake模型可以高效準確的實現邊緣點的連接，所連接的邊緣線與干涉條紋很好的吻合，可將連線的精度控制在三個像元。
  9. Because of modis predominant space and spectral differentiate rate, it ’ s has been broadly applied to various field, in the aspect of snow monitoring, modis has been successfully using a normalized difference snow index ( ndsi ) to provide global automated binary maps of snow cover. the ndsi is a spectral ratio that takes advantage of the spectral difference of snow in short - wave infrared and visible spectral bands, although it has higher precision, it can only discern one pixel to snow or other features, can not satisfy accurate drainage basin snow cover mapping and snow parameter extracting

    Modis數據因其優越的空間解析度、波譜解析度，已被廣泛的運用於各個領域，在積雪監測方面，已成功地運用歸一化差分雪蓋指數（ ndsi ）製作每天的全球雪蓋分布圖， ndsi是基於雪對可見光與近紅外波段的反射特性和反射差相對大小的一種測量方法，然而它只能將一個像元辨別為積雪或非積雪，滿足不了高精度應用要求。
  10. Video card that supports 800 x 600 resolution with minimum 16 - bit true colour modem or direct connection to the internet

    影像顯示卡須支援至少800 x 600解像度，並最少有16位元高彩顯像能力
  11. To this area being studied, the optimal fusion method was brovey method and the best mixed pixel interpretation method was neighbor - field - based mixed pixel interpretation. the technology of image fusion and mixed pixel interpretation bave wide prospects in forestry remote sensing

    圖像數據融合技術和混合像元分解技術是林業遙感中頗具發展潛力的兩個領域，有著廣闊的應用前景。
  12. Think of the endless cruelties visited by the inhabitants of one corner of this pixel on the scarcely distinguishable inhabitants of some other corner, how frequent their misunderstandings, how eager they are to kill one another, how fervent their hatreds

    想一下：在這個像元的角落，有些人把極端殘暴的行為加諸于住在同一微塵上的其他居民身上，他們一而在，再而三的為了彼此的誤解，憎恨變得深到一心一意想去毀滅他人。
  13. The error analysis of linear spectral mixture model based on error propagation law and value simulation has investigated to exposure their relationships

    摘要從誤差傳播理論的角度，分析了多選端元光譜、漏選端元光譜以及端元內部光譜變化等情況與混合像元分解精度之間的關系。
  14. This paper summarized the current status of vegetation classification based on rs technology at home and abroad, and pointed out the developing trend as follows : ( 1 ) from single - phase, single - source classification to fusion of multitemporal, multi - source data ; ( 2 ) from single classifier to hybird classifiers ; ( 3 ) from hard classification to soft classification ; ( 4 ) from pixel - based classification to pixel unmixing and object - oriented classification ; ( 5 ) from traditional classification to intelligent classification

    摘要綜述了國內外基於遙感技術進行植被分類的研究現狀，並提出植被分類的發展趨勢： （ 1 ）從單時相、單源遙感分類向多時相、多源信息融合發展； （ 2 ）從單一分類方法向復合分類方法發展； （ 3 ）從「硬」分類向「軟」分類方向發展； （ 4 ）從基於像元分類向混合像元分解分類和面向對象分類方向發展； （ 5 ）從傳統分類向智能分類方向發展。
  15. It can be showed from this research, image fusion and mixed pixel interpretation can both be used in extracting the small - region vegetation information of the city and can acquire satisfactory accuracy

    研究證明，無論是對tm圖像和spot圖像進行融合分類還是對tm圖像進行混合像元分解，均可較為準確地提取植被覆蓋率。
  16. The result showed that, . making full use of the spatial information of the structure, the neighbor - field - based mixed pixel interpretation method made the best effect than the other two methods, it got a accuracy of 96. 7 %

    提取結果顯示，三種分解方法中，基於鄰域像元的灰色相關像元分解法充分利用了空間結構信息，其提取植被覆蓋率精度最高，達到96 . 7 。
  17. Vegetation coverage, the ratio of vegetation occupying a unit area, is a very important parameter in the development of climate and ecological models. on - ground filed work surveys of vegetation coverage are time consuming and expensive and produce low - precision results

    本論文以南京市南部城區為研究區域，探討了分別運用tm圖像與spot圖像進行融合分類和對tm圖像進行混合像元分解兩種方法來提取小片林面積以計算植被覆蓋率。
  18. In this paper we studied the textural features extraction, remote sensing images classification and bp neural network techniques and their applications in the meteorological problems such as recognition of the cloud cluster feature, cloud - drift wind retrieval and heavy rain process analysis etc. to the question of the low precise recognition of satellite images by using spectral features, the proposed approach assumes to perform a multiple analysis based on an advisable decision - making model by first developing a mixed pixel model which was based on the textural features of images, and then improving the recognition intelligence

    本文對模式識別領域中的圖像紋理特徵提取、遙感圖像分類、 bp神經網路與紋理特徵組合分類等方法，以及它們在雲團屬性識別、雲跡風反演和暴雨過程分析等氣象問題中的應用作了研究。針對過去利用圖像光譜亮度特徵進行識別分析氣象衛星圖像準確度不高的問題，本文提出了發展混合像元的分解模型，以圖像的紋理特徵為基礎，提高圖像識別的智能水平，以實現在分析決策模型的支持下，快速準確的復合分析的解決方案。
  19. Taking erectophile type continuous vegetation as a example, authors had done many monte carlo simulations, and established empirical analytic expressions of radiances with component temperature, soil emissivity and leaf area index. empirical analytic expressions were used to construct objective function and genetic algorithm was employed to synchronously retrieve 5 parameters, such as component temperature, soil emissivity and lai, from thermal infrared 2 channels and 2 angles data. many experiments of genetic algorithm inversion from simulated data were conducted, results show that it is very robust to retrieve component temperature using genetic algorithm ; genetic algorithm can cope with uncertainty inversion problem pretty well if full advantage of priori knowledge was taken. comparison between inversion results and ground - truth data has been done. this paper offers a new example to retrieve component temperature from multi - channel, multi - angle thermal infrared data based on the model of directionality of thermal radiance

    在熱輻射方向性規律的基礎上，以喜直型連續植被為例，進行了大量的monte carlo模擬，建立了輻射亮度和組分溫度植被葉面積指數及土壤比輻射率之間的經驗函數關系。採用遺傳演算法，從熱紅外2個波段2個角度數據中，同時反演混合像元組分溫度土壤比輻射率和葉面積指數等5個參數。通過對模擬的觀測數據進行大量的遺傳演算法反演試驗，結果表明，遺傳演算法反演組分溫度非常穩健，在寬松的先驗知識條件下，遺傳演算法可以解決不確定性反演問題。
  20. The major difficulty in monitoring lake areas based on moderate or low resolution rs data is how to improve the accuracy and applicability of decomposition of mixed pixels, considering both the complexity of objects and limitations of time and space

    摘要如何通過充分考慮地物復雜性和地域時間限制，提高混合像元分解演算法的精度和普適性，是目前基於中低解析度遙感數據進行湖泊面積監測所面臨的主要問題。
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