波譜成分 的英文怎麼說

中文拼音 [chéngfēn]
波譜成分 英文
spectral component
  • : 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...
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  1. On the basis of remote sensing technique ' s good characteristic with large - area, multi - time, multi - photograph variety, manifold abundant spectral information and high ground resolution, the fault tectonics frame, river geomorphy ( such as terrace, floodplain, shoal, etc ) and suspended load, etc. were explained after analyzed the fault tectonics, river geomorphy, characteristic in the tm image by gray bar statistics, primary component analyses, tm741 image integration, line convolve enhancement and model recognition etc. especially 9 piece of fault tectonics were explained in this thesis, in succession, the impacts of the factors severally were analyzed

    遙感技術具有大范圍、多時相、多片種、多層次、含有豐富的光信息及具有較高的地面解析度的特點。本文利用該技術,運用灰階統計特徵析和主析、 tm741多段融合、線性卷積增強、模型提取等一系列遙感解譯析方法,析了斷裂構造、河流地貌(階地、漫灘、沙洲)及懸浮物等在tm遙感圖象上的影像特徵,解譯出了安徽南部斷裂構造格架、河流地貌和懸浮物的佈,並新解譯出了9條近東西向的斷裂。
  2. At first, the principle and technique employed in transmittance oxymetry is analyzed. the lambert - beer law and the difference in extinction coefficient of components in tissues relate to different light wavelength is applicable in reflectance oximetry as well as in transmittance oximetry, as both are relate to near - infrared spectroscopy

    本文在深入了解透射式血氧飽和度測定原理及其方法之後,首先明確用近紅外光法測定組織血氧飽和度時,無論是透射式檢測手段還是反射式檢測,其依據的基本原理都是lambert - beer定律和組織中各對應不同長光的吸收系數的差異。
  3. Secondly, the wavelet transform of ae signals collected in experiment is carried out with db6 wavelet and scale 3 on the basis of the signal ' s frequency analysis. the high frequency d, signal is ae characteristic signal. and by choosing the level ' s wavelet coefficient as its input, the wavelet - neural networks can be trained with the data of ae experiment, and the ae signals can be effectively recognized

    然後,在實驗與對實驗所採集數據頻析基礎上,根據對小析用於信號處理可行性研究,本文選擇db6母小、尺度j = 3對實驗所採集數據信號進行小變換,變換后其高頻d _ 1信號即為聲發射特徵信號。
  4. Wt has been applied to denoising, data compression, and resolution of overlapping signals in analytical chemistry that includes flow injection analysis ( fia ), voltammetric analysis, high performance liquid chromatography ( hplc ), infrared ( ir ) spectroscopy, mass spectroscopy ( ms ), nuclear magnetic resonance ( nmr ) spectroscopy, ultraviolet - visible ( uv - vis ) spectroscopy, photoacoustic spectroscopy ( pas ), extended x - ray absorption fine structure ( exafs ) spectrum, etc

    析化學領域中,小變換在流動注射析、伏安析、高效液相色、紅外光、質、核磁共振、可見紫外光、光聲光、擴展x -射線吸收精細結構( exafs )析化學信號的平滑濾噪、數據壓縮、重疊信號解析等方面都有功的應用。
  5. Of the gas. since different gas has different set of lines, we can tell which kind of gas it is by analyzing the line spectrum

    不同的氣體會產生不同的線條,就如人類的指紋,只要析光上的吸收線,便可以知道光曾經通過的氣體
  6. Following, we developed an electronic nose adopting advanced technology which combined capillary column to separate vocs according their different retention time and surface acoustic wave sensor coating with polymer film to detect the qualities of those vocs. in my article, lung cancer situation, breath detection principle, feasibility of electronic nose adopting breath detection, and the principles of spme & gc have been particularly introduced. and initially certified the correlation between lung cancer and the marker vocs by detecting lung cancer patients breath, normal human breath, and lung problem patients by solid phase microextraction ( spme ) and gas chromatography ( gc ) system

    本課題根據國外關于呼吸氣體中某些有機氣體和肺癌相關性的研究工作報告,採用固相微萃取?氣相色系統對肺癌病人呼吸氣體、正常人呼吸氣體、和其它類肺病患者呼吸氣體中的有機氣體進行對比檢測、研究,以期確定肺癌病人呼吸氣體中特徵有機氣體;並且期望建立首創的採用毛細管色柱與聲表面傳感器聯用技術的電子鼻系統,與固相微萃取?氣相色系統作為對比檢測,能夠做到粗篩肺癌病人。
  7. In the paper, the spectral characteristics for twenty - eight triterpenoids from medicinal plants of rubiaceae were summarized

    綜述了茜草科常用藥用植物中28種三萜類的結構及其特徵。
  8. In the sonograms of psittacula agapornis after the section of right side nxiits the ascending parts of the tone disappeared. this causes their vocalizations became the descendent - call. and in the sonograms with the left side nxiits sectioned, the harmonic parts above the basic song were weaken or disappeared

    牡丹鸚鵡在斷右側nxllts后其聲圖中音調上升支消失,因而其叫聲變為以降音調為主的降調叫聲;在斷左側nxllts后的聲圖中,其基本音以上的諧減弱或消失而在斷雙側神經后其聲圖表現為一系列具有較低基頻的寬帶諧
  9. Compared with the traditional methods of artifacts elimination, ica, a kind of spatial filter, does not be restricted by the case of spectrum overlapping, and have a good reservation of useful detail signals

    此外, ica這種空間濾器不受信號頻混迭的限制,消噪的同時能對有用信號的細節做到很好的保留,很大程度上彌補了時頻域方法的不足。
  10. The contrast is higher, the amount of reflect becomes more ; and the sedimet is deeper, the shaking duration becomes longer. so. as the contrast higher and the depth deeper, more waves converge on the basin, more waves interfere with each other, the duration is longer, the amplitude of displacement or accelerate is larger, and the fourier responce spectra contain more components

    所以,基巖與沉積層的剪切速比越大,沉積層的深度越大,就越容易聚集在盆地中,中國地震局工程力學研究所碩士論文之間的干涉機會就越多,盆地的振動時間就越長,沉積層的位移和加速度反應就越大,的頻就越豐富。
  11. 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、解析度,已被廣泛的運用於各個領域,在積雪監測方面,已功地運用歸一化差雪蓋指數( ndsi )製作每天的全球雪蓋布圖, ndsi是基於雪對可見光與近紅外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。
  12. Four records with different earthquake magnitude, epicentral distance and spectrum ingredient are selected as the seismic input. the result of it compared with the result of test and spectrum analysis. lastly, on the basis of analysis result the conclusion is drawn and the recommendation and perspectives are put forward

    選取了el - centro等四條不同震級、不同震中距及頻份不同的地震作為輸入,對其進行了反應析,計算結構在其作用下的動力反應,並與試驗結果及反應析結果進行對比。
  13. From theoretical analysis, we know the existing demodulation methods have limitations as following : one is that the subtraction of the two signals frequencies will display as the result of demodulation when we demodulate two time - domain adding signals without modulating information ( fault information ) ; the other one is that aliasing phenomenon will occur as a result of getting absolute value, detection or square in the process of generalized demodulation analysis, such phenomenon will result in some superfluous frequency composition on the frequency spectrum, which will puzzle the detec tion of mechanical vibration. if the sampling frequency is selected from a suitable range, the aliasing phenomenon will be avoided ; the last one is that aliasing frequencies will be produced in zoom demodulation analysis because this algorithm cannot employ digital low - pass filtering to avert the folding frequencies of higher harmonics in the process of zoom sub - sampling

    現有的解調析方法存在以下三種局限性:將不包括調制信息(故障信息)的兩時域相加信號,也以其頻率之差作為解調信號而解出;廣義檢解調析中,由於取絕對值、檢或平方過程可能產生混頻效應,在解調中表現為無法析的頻率,並由此推導出避免這種混頻現象的采樣頻率的選取范圍,從根本上避免此類誤診斷的產生;幾種細化解調析新演算法中,因為無法在細化析的選抽時進行數字低通濾,有可能會出現調制頻率的高次諧發生頻率混疊而反折到低頻部的現象。
  14. For frequencies below 800hz, the normalized sew magnitude spectrum is quantized, while for frequencies higher than 800hz, the magnitude spectrum of the sew is approximated by the magnitude spectrum of rew. orthonormal polynomials are used to represent the magnitude spectrum of the rew in this thesis

    本文中對歸一化的sew只傳送其低於800hz的諧,而高於800hz的諧,根據此處cw功率近似等於一,通過rew的幅度來恢復。
  15. From the experimental results, we studied the relationship between the diameter of fiber, the composition of s s and the impacts upon the electromagnetic parameter of fibers. get following conclusions : both the complex permeability and the complex permittivity of ss fibers decreased with the increase of diameter in some region, the complex permittivity of 304 ss fibers, 2 m in diameter, could be up to 2. 5 at the 2 ghz, the 302 ss fibers had better frequency dispersion properties than others, agreed with the requirements of the wide - band radar absorbing material in the range of 2ghz ~ 12ghz

    西安建築科技大學碩士學位論文討論了影響不銀矜岡纖維電磁參數的幾個因素,實驗結果出發研究了纖維直徑、對纖維電磁參數的影響,得到以下結論:不鉀練岡纖維的微磁導率隨纖維直徑的減小而增大; 2微米的304不銹鋼纖維的復數磁導率p 』 『在zgi ]吃處達到2 . 5 ; 302不韌矜岡纖維電磁勝能明顯優于其它兩種,且頻特性在2 ~ 1zghz范圍內符合對吸收劑頻特性的要求。
  16. Investigation using remote sensing ( rs ) technology can breakthrough the limits of traditional methods, make full use of its capability of integration, visualization, rapidity and vast - dimensions analysis, and get better results the paper takes the up - to - date landsat - 7 etm + data, which is the most widely used, and quickbird data, which has the highest resolution nowadays, and according the features of the data and landslides, processes the quickbird data with 1 : 10 000 dem orthophoto correction and the landsat - 7 etm + data as follows : ( 1 ) selecting optimal spectrum band : selects 753 bands as the optimal bands ; ( 2 ) image intensifying : selects the principle components processing method on the basis of comparing several image intensifying methods ; ( 3 ) rigour geometric direction : corrects the geometric distortion of the map ; ( 4 ) image fusion : mainly takes his space transform fusion and resolution fusion method, and acquires maps with higher spectrum resolution as well as space resolution. after that, the visual effect of the image has been enhanced, and the interpretation precision

    採用遙感技術,可以突破傳統調查方法的限制,發揮其宏觀、綜合、直觀、快速的特點,取得更好的效果。論文選取目前應用最廣的陸地衛星最新系列landsat - 7etm +數據和空間解析度最高的商業衛星quickbird數據作為主要的數據源,根據數據的特點及滑坡災害應用特徵,對quickbird遙感數據則基於1 : 10000dem進行了正射校正,對etm +遙感數據進行了段優選,選取了753作為最佳組合段;圖像增強,通過各種增強處理方法的效果對比,選擇主析法對圖像進行增強;幾何精校正,糾正圖像的幾何變形;影像融合,主要選取了效果較好的his空間變換融合和解析度融合,得到的圖像既具有較高的光解析度,同時也具有較高的空間解析度。經過上述數字處理,較好地改善了圖像的視覺效果,提高了圖像解譯的精度。
  17. Harmonic components of the input current in method 2 is lesser than method 1, neglecting the losses and switching effects of the converter. the decreation of the harmonic components is not apparent, but different between method 2 and method 1, due to the influence of switch losses of the igbt, which is consisted of two igbt and two frd

    當模擬模型中的雙向開關由兩個igbt和兩個快恢二極體組時,由於igbt的開關損耗等因素對輸入電流的影響,在模擬得到的輸入電流頻圖中,諧的減小不是很明顯,但調制策略方式2和方式1的諧仍有所不同。
  18. Because the noises in ir images changes slowly and its frequency components con - centrate on the range of low frequency. the wgos is used to suppressing background and noises. just for the three origin images in this dissertation, the global threshold in the algorithm is enough to divide up targets from the background

    紅外圖像的噪聲通常為脈沖噪聲,具有高頻特性;而紅外圖像的背景變換比較緩慢,其頻多集中在低頻區域,所以本文在對圖像特性析的基礎上,設計改進了基於加權廣義次序統計濾器的背景抑制的演算法。
  19. Comparision spectrum and spatial distribution of pulse current on a transmission line and it ' s near and far field radiation pattern

    傳輸線線上脈電流之頻佈及其各頻率份之輻射遠近場型之差異。
  20. Then some methods including optimizing the spectrum and intensity of 3w1 beam line and improving the performance of pmma were put in force, and pmma structure with aspect ratio 100 was obtained under these optimum conditions. moreover, such steps as controlling ph, electrodepositing, using activator and a second cathode, and mending the power supply were taken to solve a series of problems coming into being during electroforming process correspondingly, for example, air holes, inner stress, and ununiformity of deposition

    並針對3w1光源中硬x光較多、光強和功率密度太高的特點,提出了用ni吸收膜改善光和用x光暫器法優化光強的方法,同時嚴格控制和改善pmma光刻膠的性能,經過反復的計算析和實驗改進后,獲得了深寬比高達100的膠結構圖形。
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