方向性圖 的英文怎麼說

中文拼音 [fāngxiàngxìng]
方向性圖 英文
directional diagram
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (繪畫表現出的形象; 圖畫) picture; chart; drawing; map 2 (計劃) plan; scheme; attempt 3...
  • 方向 : direction; orientation
  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法在很大程度上能夠消除由於傳感器、地物目標觀測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
  2. As for feature - level fusion, a new algorithm based on orientation information measurement and his transform is proposed

    在特徵級融合面,提出了一種基於信息測度和ihs變換的像融合演算法。
  3. At last, the conclusions of the whole thesis are drawn, and it is put forward that the future research emphases on the infrared radiation absorption ct technology should focus on : instantly get the absorption projections are the crucial factor to utilize the technology industrially ; on the basis of the hypothesis that the gas is ideal gas, species concentration of particular gas medium can be measured at the same time, which must be helpful to comprehend combustion essence ; if laser source to replaces blackbody stove, for irradiant flame, interferometric projection can be attained, and its temperature distribution will known

    最後,對全文進行了總結,並指出今後研究工作重點。指出:瞬時得到各的投影是此技術實用化關鍵;在獲得溫度分佈信息基礎上,進行必要的假設和推導,能同時得到火焰中某特定組分濃度的分佈,這必將進一步我們對燃燒本質的理解;利用好,輻射強度高的激光源代替常規的黑體爐,能得到輻射干涉投影像,這樣就能測量所介紹系統不能測量的發光火焰溫度分佈。
  4. In the third parts : based on davis ? self - quantization of subtrees, the fractal coding in the wavelet domain put forward orientaiton wavelet - subtree fractal coding, this coding encodes individually towards wavelet - subtree, at the same time, davis put forward the image coding concerning the disadvantage existing in rinaldo and calvagno ? fractal predictive case

    第三部分:以davis提出的小波樹的自量化( self - quantizationofsubtrees )編碼演算法研究現有小波域內的分形像編碼法,在現有法的基礎上,提出了小波樹的分形編碼法。
  5. Compared with the effect of mutual coupling to general antenna arrays, chebyshev - dolph antenna arrays, schelkunoff super - derective arrays and chebyshev - dolph super - derective

    比較了互耦對等幅同相天線陣、 chebyshev - dolph天線陣、 schelkunoff陣和chebyshev - dolph超陣天線遠場的影響。
  6. On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained

    推導了最佳陣元分佈程,分別對陣元無和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線旁瓣包絡、波束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。
  7. It introduces the definition of texture direction. then, it proposes a sorting and partition algorithm of images with directional texture

    給出了紋理的定義和一個具有紋理像分類和分割演算法。
  8. Fingerprint image is different from other images, because it has its own characters : its ridge possess of orientation and coincidence in a small range

    指紋像不同於其他像,它有自己的特點:指紋中的脊線在一個小范圍內具有和走一致
  9. The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,

    用fdtd法並結合pml吸收邊界條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天線的能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波束收攏很多,並且前輻射的增益大大提高,與普通天線相比,天線的e面和h面前輻射的增益均提高了約6db ,另外,該復合結構天線的系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天線的系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天線的相應差值減少了約1
  10. Linear array can only provide an azimuth scan ranging from 0 to 180 degree, while circular array from 0 to 360. by means of recurring moving array excitation, circular array controls the beams ’ orientation simply and neatly, creating a perfect pattern in azimuth and an ideal pattern in pitch

    線陣只能有180的掃描范圍,而圓形陣列能夠提供360位角,通過循環移動陣列激勵,簡單而靈活地操縱波束的位,能夠在位上產生沒有,而在俯仰上也有一個理想的
  11. ( 2 ) directionality is one of the basic texture characters, in order to use this character, texture image is convoluted with laws models

    ( 2 )是紋理的一個基本特徵。為了利用這種特,將紋理像和laws模板相卷積,分別濾出像的水平邊緣、垂直邊緣和對角邊緣。
  12. Horizontal directivity pattern

    水平方向性圖
  13. At the basis of shenzhen city ' s " shiwu " and 2015 modern logistics developing plan, shenzhen ' s logistic enterprises available ca n ' t take the responsibility of supporting estate now. so i analyze the west port area strategic circumstances, use the nine check and bostain model to make research of logistics strategic aims, operational field and so on, and at last i bring up the recommendation of strengthening west port logistics enterprise in order to solve the problem of long and directional problem

    本文從西部港區物流發展的戰略環境分析入手,運用內外因素九格模型和改進型的波士頓模型討論西部港區物流業發展戰略目標、經營領域、戰略選擇和戰略重點,提出了優化西部港區物流企業、加強西部港區物流企業的行業協調和提供更合理的政策支持建議,力解決涉及西部港區物流發展的帶全局、長遠和的問題。
  14. Wuhan declaration is an initiative professional declaration released officiously by the libraries group in china but representing the public opinion

    摘要《武漢宣言》是中國書館界「民間」自發自覺發布的代表「民意」的行業宣言。
  15. Vertical directivity pattern

    垂直方向性圖
  16. In this article, the wavelet transform is used to improve the recognition ability of vehicle ' s characters recognition system, because the " microscope " feature and similar - human vision feature can be used in the image analyze. three problems have been solved in this article : ( l ) the core method of recognition is to realize the extraction of stable feature of characters, the algorithm of wavelet feature vector has been given based on the directivity decompose of 2 - dimention wavelet transform, varied grid feature vector has been built too according to the multi - mode owned by the characters

    本文選用小波變換作為數學工具,利用小波的「顯微鏡」特和類人視覺特點解決車牌字元的分析和識別問題,以提高車牌字元的識別能力,主要研究了三個面的問題: ( 1 )識別研究法的核心是完成字元穩定特徵的提取,採用像小波變換的分解構造出小波特徵量,並根據字元本身具有的多模態提出了一種變網格小波特徵量。
  17. Secondly, the dissertations gives two array synthesis methods with aspect to circular array to cancel the ionosphere clutter, one is the circular max directivity synthesis method under condition of vertical pattern zero point restriction, the other is the circular max directivity synthesis method under condition of vertical pattern zero point restriction and efficiency restriction

    然後為了對消電離層干擾,本文給出了兩種圓陣列最大綜合法,第一種是在垂直面零點約束下的綜合法,第二種是在垂直面零點約束和效率約束下的綜合法。
  18. The one - way orientation of planar technology means some kinds of orders that exist between the units in the schematic structures of semiconductor devices. using these orders and some other limitations derived from the practice of semiconductor technology, we can gain a unique sequence of structure units

    平面工藝的,意味著半導體器件結構中各個結構單元之間存在一定的加工先後順序,利用這些順序,並根據器件結構單元的實際情況,合理的引入工藝加工面的限制,就可以得到唯一的結構單元加工順序。
  19. 2. methods in frequency domain : through a comparative study, wedge and ring feature of fourier transform performs better than other features based on texture spectrum. it represents the directivity, coarseness and regularity of an image

    在基於頻率域的紋理分析法中,分析了基於傅立葉變換的紋理分析法,經兩組對比實驗,楔環特徵能夠很好的反映象紋理的、粗糙和規律,在檢索中明顯優于基於頻譜的簡單統計特徵。
  20. Aim at the limit of map - tuned variance method, we use directional noise to handle the motion along different road. then, we evolve the general formula to judge whether the target is on road or not, and present " extended map - tuned variance method "

    針對地調整差法的局限,引入過程噪聲來表徵目標在不同的道路上運動,推導出判斷目標在道路上的一般公式,提出「擴展地調整差法」 。
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