等波長圖 的英文怎麼說

中文拼音 [děngzhǎng]
等波長圖 英文
equiwavelength pattern
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 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...
  • 波長 : [物理學] wavelength波長標準 [光學] wavelength standards; 波長測量 wavelength measurement; 波長常...
  1. In this paper, besides the simulation of the normal physiological condition, ecg waveforms under pathological conditions due to cell membrane ionic channel mutation such of as long - qt syndrome, short - qt syndrome, t wave alternans and brugada syndrome also be simulated and researched, which validated this ecg model, at the same time be beneficial to further research on

    文中除了模擬正常生理狀態下的心電以外,對qt間期綜合癥、短qt間期綜合征、 t電交替和brugada綜合癥幾種由細胞膜離子通道改變所引起的病態心電形也進行了模擬研究,充分驗證了模型的正確性,同時也為進一步在此上進行疾病治療藥物的研究奠定了基礎。
  2. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限面電流作用於有限鐵芯上的模型,引用了氣隙磁場一維解,研究了單層繞組磁場,奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉矩,位移,轉速隨時間變化曲線,利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較,採用效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證,由實驗測得了三相電流形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  3. In this paper, the contrast of original image is enhanced by nonlinear transformation based on the characteristics of grain image ; after comparing several methods of threshold segmentation and analyzing their performance and applicability on grain image, the adaptive threshold segmentation based on gradient image is presented ; the noise of binary image is reduced with morphological filter, the hollow in binary image is filled in and a recognition algorithm is designed to remove agglomerate particle ; on the basis of mathematical morphology two methods are adopted to segment agglomerate grains that are not agglomerated tightly ; the parameters of size and shape, perimeter, area, diameter, complexlity, longest feret diameter, shortest feret diameter etc, are extracted. this technique is applied in measurement of pearl powder ' s particle size

    本文根據粒度像的特點,採用非線性對比度增強處理改善顆粒顯微像的對比度;對多種閾值分割方法進行比較,分析了它們的性能和用於粒度像的適用性,在此基礎上提出了一種基於梯度像的動態閾值分割方法;對獲取的顆粒二值像進行形態濾和空洞填充,設計了識別演算法去除凝聚體;對重疊不太嚴重的粘結顆粒採用了兩種基於數學形態學的分割演算法;提取了周、面積、粒徑、復雜度、最feret徑、最短feret徑大小和形狀特徵參數,對珍珠粉粉體粒度進行了測量。
  4. To analyze some key technologies of optical network relative with rwa in detail, such as transmission, switching and internetworking ; to emphasize on the research of function, fabric and performance of optical cross - connection ; to carry out numerical simulations for crosstalk introduced by optical cross connect and to present measurements for suppressing it such as doubly filtering, fixing optimum decision threshold and appropriately choosing the number of multiplexed wavelengths ; 3. to research the fundamental principle and some problems relative with rwa, including the type of optical network, the type of traffic, the type of service, the survivability of optical network ; to classify and compare rwa algorithms and particularly research some dynamic rwa algorithms ; 4. to present reserved light - path and classify network resource such as used, unused and reserved status, to emulate establishment of all - optical connection in optical network through modified rwa algorithm and show effectively reducing setup time of all - optical connection utilizing reserved light - path ; to research rwa algorithms of multi - fiber network, to present new link weight functions dependent on node degree, unused fiber ( s ) per wavelength - layer and routing policies, to perform emulation of rwa based wavelength layer graph applying new link weight functions and show them make algorithms better performance and network lower blocking rate ; 5

    詳細分析了與rwa相關的光網路關鍵技術,包括傳輸、交換、組網,重點研究了光交叉連接的功能和結構、性能,對其引入的串擾進行了詳細分析,選擇恰當的器件參數進行了數值模擬,並提出了抑制措施(如雙重濾、優化判決門限、選擇恰當的復用數) ; 3 .研究了光網路的r認叭的基本原理、與r認叭的幾個相關問題(光網路類型、業務類型、流量類型、光網路生存性) 、 r認人演算法的分類和比較,具體研究了幾種動態r場人演算法; 4 .研究了以全光連接建立時間為優化目標的r認認演算法,提出預置光路的概念,對網路資源進行狀態分類(佔用、未佔用、預置) ,利用改進的r認叭演算法模擬,預置光路可為部分新到的連接請求快速建立連接,從而提高網路性能;研究了以多光纖網路連接阻塞率為優化目標的r認城演算法,提出了以節點度數、每個分層的空閑光纖數以及路由策略決定的幾種鏈路權重函數,利用基於分層模型的并行r場人演算法模擬,利用新的鏈路權重函數使得演算法具有更優的性能,使網路具有更低的連接阻塞率。
  5. Long parts, ( such as axis, pole and so on ) varying along the profiled bar direction by the length or by a certain rule can be shortened to represent, and the broken part shall be represented by waved line or zipped lines, as shown in fig. 13

    的機件(軸、桿、型材)沿度方向的形狀相同或按一定規律變化時,可斷開后縮短繪制,斷開后的結構應按實際度標注尺寸;斷裂邊界可用浪線、雙折線繪制,如13所示。
  6. Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years

    本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場資料,利用eof 、 svd 、小分析、合成分析和相關分析方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部降水的影響,並對降水、高度場和海溫三者之間的關系進行了分析,以試尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年前後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖水范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年前,拉尼娜事件發生頻率高,持續時間,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻率略高,持續時間,強度增大,事件起始於正海溫距平。
  7. There are three steps of the concrete process of the algorithm : initial localization, separating image and confirmation. firstly, single gaussian model is used to imitate skin - color distribution, meanwhile, skin probability images which is smoothly disposed using middle wave is calculated to attain the initial localization. secondly, in order to separate the latent face region, it uses multimodal information that includes the region growing 、 the hue and brightness 、 skin probability images etc. at last, it adopts the criterion of morphology analysis and face characteristic draw to confirm the latent region

    演算法的具體過程主要分為三個階段:人臉初定位、人臉分割和人臉確認,首先採用高斯模型來模擬膚色分佈並構造出膚色概率進行人臉的初定位,並對膚色概率採用中值濾進行平滑處理,接著利用區域生準則和融合色度、亮度以及膚色概率多源信息相結合的方法對像進行分割,以達到分割出潛在臉區的目的,最後採用人臉整體形狀的確認準則和人臉特徵提取的確認準則相結合的方法對潛在臉區的最終確認。
  8. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin人的理論基礎上,利用fourier光學成像理論,討論了不同熒光對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發與熒光比值時具體的表達式,並且通過數值計算,得到了它們的曲線,結果表明:隨著激發與熒光比值的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發與熒光的比值下降到一定程度時,可以看到不同程度的失錐現象。
  9. " change " is perhaps the word which best characterizes poland. first of all, throughout the ten centuries of poland s recorded history, the territorial shape of our country changed many times. poland under the reign of the piast dynasty ( 966 - 1370 ) was an average - sized country, whereas rzeczpospolita ( the polish noble republic ) that was born with the polish - lithuanian union ( 1385 ) was the most powerful country of continental europe at the turn of the 15th and the 16th century

    蘭歷史蘭有文字記載的歷史達10個世紀,她的疆土版在這期間幾經滄桑。歷史上第一個王朝皮亞斯特王朝( 966 1370 )時,當時的蘭是個中國家,而後,例如根據蘭立陶宛聯盟( 1385 )建立起來的貴族共和國,則在15 16世紀之交時成為大陸歐洲的最強大的國家之一。
  10. Visual analysis of human motion has been receiving increasing attention from researchers in the fields of image processing and computer vision during the past few years. it has a lot of applications in virtual reality, smart surveillance system, advanced user interface, motion analysis and video compressing, etc. this paper focuses on the technology of human motion tracking based on video, first, we make a summarization of the domestic and overseas status of the research in this field. on the basis of this, we analyse the technical difficulties of human motion tracking. as most of the existing model - based methods of human motion tracking perform not so good in some situation as they need mannual intervention, and also the precision of tracking is not so satisfying during the research of tracking of walking people because of the self - occlusion of legs, this paper proposes an algorithm of automatic detection and tracking of legs of the walking people based on monocular image sequences, in which we analyse the features of walking people, track the five joints of lower limbs, get various parameters, and then re - construct the walking process. the main research achievement is as follows : 1 ) we propose an algorithm of markerless automatic extraction of leg skeleton. first we divide the video into continuous image sequences, after background subtraction, the satisfying human region could be extracted, then we get a single - connected region by converting the rgb image to binary image and median filtering. afterwards, the contour of lower limbs in the frame with a widest boundingbox is detected, using sobel operator, to find the ankle joint of leg behind according to the features and rules of walking, then, the joint of knee of leg behind, hip, ankle of leg in front, knee of leg in front could be got in turn. so, model of leg skeleton is constructed

    首先將視頻分解成許多連續的靜態像幀,經過背景去除,把感興趣的人體區域提取出來,通過二值化,中值濾預處理方法得到只有人體的一個單連通區域,然後用sobel運算元檢測出boundingbox最寬幀中人體下半身的輪廓,根據運動規律及特徵找到後腿踝關節點,結合從boundingbox最窄幀中所獲取的腿依次得到後腿膝關節,跨部關節,前腿踝關節,前腿膝關節四點,從而構建出腿部骨架模型。 2 )實現了人體步行腿部骨架的跟蹤演算法。在完成對腿部骨架模型的自動初始化之後,本文對跨關節、膝關節及踝關節分別採用運動建模、圓周相交定點演算法、運動預測及預測點周圍搜索rgb相似矩形塊三種方法確定每一幀中其實際坐標,從而重構出腿部骨架的運動過程。
  11. The characteristic parameters of effective debris in a ferrograph have been calculated in the present thesis, like area, perimeter, aspect ratio and granularity, in which some methods have been adopted such as smoothing, filtering and thresholding and so on, according to tribological theories and computer technologies and digital image preprocessing

    本論文基於摩擦學原理和計算機技術,通過對鐵譜片進行數字化像預處理,採用對譜片像的平滑、濾以及閾值二值分割方法,計算出譜片中特徵磨粒的一些特徵參量,如面積、周、粒度以及縱橫比
  12. Faraday rotation spectra was measured on samples with model cgx - 1 fr test apparatus by ourselves using the magneto - optical modulated double - frequency method. the development on magneto - optical material and devices, especially on rare - earth ion garnet, were reviewed. as a solution to the problem for temperature stabilized and wideband magneto - optical materials which could satisfy the development of magneto - optical devices for integration and miniaturization, a modified liquid phase epitaxy ( lpe ) technique was brought forward to grow thin film yb3fe5o12 onto substrate ybilg or thin film ybilg onto sustrate ybig

    本論文工作包括對ybiig 、 ybig系列石榴石薄膜制備的實驗構想、相分析、制備工藝分析和配方設置,搭建了液相外延設備;比較系統地研究了ybiig 、 ybig系列石榴石薄膜的生、測試,首次成功制備了ybig ybiig 、 ybiig ybig ggg系列復合膜,並採用xrd 、 sem 、 epma方法對所得樣品進行了結構、組分和微區形貌分析,用紫外可見光光譜儀測試了其在可見近紅外段光吸收。
  13. The accompanying exhibition catalogue provides a brief introduction on shaw s talent training schemes, followed by a fine selection of star photos covering over 70 shaw s stars, including our evergreen beauty li lihua, the charming linda lin dai, classic beauty betty loh ti, women killer yan jun, chao lei, peter chen ho and romantic hero jimmy wang yu, just to name a few. besides, there are a full - colour graphic compilation of the galaxy of stars printed in panoramic scale plus a special section on top star of shaws cantonese unit lam fung

    配合展覽出版的特刊,除了簡介邵氏培育影星的制度和方式外,更刊載各明星如影壇青樹李麗華、四屆影后林黛、古典美人樂蒂、以反串聞名的凌、千面小生嚴俊、皇帝小生趙雷、喜劇聖手陳厚、浪漫英雄王羽約70位影星的照片;並附以片廠為背景的邵氏星河橫幅,彩色精印。
  14. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、動大,電源的諧含量過高,紋系數過大,乃至電源設備損壞、輸出異常情況出現,將會嚴重影響視頻信號的像效果,大大降低防盜系統的穩定性和可靠性,我們採用快速傅利葉變換原理,即fft變換,通過對市電、穩壓電源、 ups電源、開關電源的電壓信號進行fft變換,從而得出信號中各次諧的含量及信號畸變系數,並將其與正常工況下的參數進行對比,從而進一步診斷出穩壓電源、 ups電源、開關電源設備的運行狀況;組成監控系統的設備期處于工作狀態,往往由於設備散熱條件不好、設備老化故障原因導致設備表面溫度過高,從而影響設備的正常運行,降低設備的使用壽命。
  15. When selecting gratings, you must choose a wavelength range with a width equal to the spectral range entry in the spectrometer grating selection chart

    當選擇光柵是,您必須選擇與光譜儀光柵選擇表中的光譜覆蓋范圍條目里寬度相范圍。
  16. The article relates that the tool ' s measurement precision has been improved by applying cycling acquisition method, self calibration function and phase - sensitive detector. the image coverage rate is improved and reached to 60 percent by increasing the number of pad ' s buttons. the tool carried out two logging functions : fast - scanner mode and dip mode

    本文敘述了採用循環採集法、自刻度功能、相敏檢方法提高了儀器的測量精度;通過增加極板電扣的數量將像覆蓋率提高到60 ;實現了快掃描、傾角兩種測井模式;將測斜短節與預處理短節合二為一,縮短了儀器度;去除了零伺服控制系統,簡化了電路;用fpga晶元對採集控制器重新設計。
  17. Absorption - band parameters such as the position, depth, width, and asymmetry of the feature have been used to quantitatively estimate composition of samples from hyperspectral data. so spectral absorptions are very important feature bands in use of hyperspectral classification and targets identify, this paper extracts absorption features of actual hyperspectral image by continuum removed method which is very useful. then tested both of them by

    吸收峰段參數例如位置、深度、寬度、斜率、對稱度、面積常常被用來定量的估計高光譜樣本的組成,因此光譜的吸收峰是高光譜識別分類應用中很重要的特徵段,論文通過包絡線去除這種很有效的光譜分析工具提取出了實際的高光譜像的地物光譜的吸收峰參數。
  18. This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on

    研究的目的主要是針對大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較,干涉系統對工作臺振動和空氣抖動外界干擾因素的影響敏感,干涉不穩定問題,提出了激光掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化對應的干涉的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。
  19. The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on

    研究的主要目的是針對在大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較,干涉系統對工作臺振動和空氣抖動外界干擾因素的影響敏感,干涉不穩定問題,提出了激光掃描干涉測試方法,該方法通過對瞬間讀取的、與連續變化對應的干涉的處理和分析,克服了上述缺點,為大型高精度非球面的檢測提供了一種適用的方法。
  20. Laser interaction with target is simulated according to the model and methods given above, the state of laser plasma and x - ray transform coefficient are obtained. the effect of laser intensity and the wavelength on the state of laser plasma and x - ray transform coefficient is also presented

    本文用上述模型和方法進行了大量計算,給出了激光-靶相互作用過程的物理像,激光產生的離子體狀態, x光的轉換效率,並給出了不同的激光和強度對離子體狀態和x -射線的轉換效率的影響。
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