spectral analysis 中文意思是什麼
spectral analysis
解釋
光譜分析法-
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。 -
Spectral analysis of breath sounds in asthmatics and chronic asthmatic bronchitis during acute episode
支氣管哮喘和慢性喘息型支氣管炎患者發作期呼吸音的分析研究 -
The imported equipments of italy su razor grinding equipment, germany p26 testing center, roughness contourgraph of british taylor hobson limited and japan spectral analysis apparatus etc
包括各類型數控滾齒機、剃齒機、磨齒機、內、外圓磨床、全功能數控車床以及齒形、齒向檢測儀、滾刀綜合檢測儀等設備1300餘臺。 -
The random forces on the mole plough were studied by the spectral analysis method
採用頻譜分析方法研究了鼠道犁土壤工作部件的隨機受力。 -
Priestley, m. b, spectral analysis and time series, academic press, new york, 1981
胡基福， 《氣象統計原理與方法》 ，青島海洋大學出版社，青島， 1996 。 -
Spectral analysis refined.
光譜分析已精細化。 -
The quantum spectral analysis of the semicircular and a quarter of circular billiards
半圓和四分之一圓二維彈子球的量子譜分析 -
Influences of measuring factors on spectral analysis in surface wave testing
表面波譜分析影響因素研究 -
It is reported that the mechanical failure accounts for most of the aviation accidents, and among them, the wear faults occupy a considerably large proportion rate. based on the traditional ferro - graph and spectral analysis technology, and with the introduction of computer vision and information fusion technology, this article focus on the study of aviation engine abrasion diagnoses in the fields of debris analysis and information fusion
據統計，導致飛行事故的主要因素是機械故障，其中，磨損類故障又占很大比例，本文就以傳統的鐵譜分析技術和光譜分析技術為基礎，引入計算機視覺與信息融合技術，開展基於磨粒分析和信息融合的航空發動機磨損故障診斷技術研究。 -
Spectral analysis and application of photoelectric characteristics in bacteriorhodopsin
細菌視紫紅質蛋白的光譜分析與光電特性應用 -
The spectral analysis of non - orthogonal functions cannot be obtained by orthogonal integration method. only the spectral analysis of some particular non - orthogonal functions can be realized by integral transformation. thus, the concept of reflection matrix is proposed and the mirror symmetry of spectral analysis for non - orthogonal function is revealed. any element functions whose reflection matrix can be obtained possesses its inverse element function. the spectral vector corresponding to an element function possesses its inverse spectral vector corresponding to the inverse element function. by reflection matrix the mapping relation of element function pair and spectral vector pair can be established. spectral analysis of non - orthogonal functions can be obtained with this symmetry by using the integration method as in the case of orthogonal functions, instead of calculating the inverse matrix as usual. so a convenient and practical method for spectral analysis of non - orthogonal functions is offered
非正交函數不能利用正交積分來實現譜分解.僅有某些特殊的非正交函數可以通過積分變換實現譜分解.本文提出了反射陣的概念，揭示了非正交函數譜分析的鏡像對稱性.任何能夠建立起反射陣的元函數存在著它的逆元函數，並且任何基於該元函數的譜向量同時也存在著基於逆元函數的逆譜向量.元函數對與譜向量對通過反射陣建立映射關系.利用這種對稱性，非正交函數可以象正交函數一樣使用積分方法獲得譜分解結果，而不必使用求解逆陣的方法，從而為非正交函數的譜分解提供了便捷、實用的方法 -
In this thesis, based on principal component analysis ( pca ), covariance stationary processes and spectral analysis theory of linear operator, spectral principal component analysis ( spca ) is put forward
在主成分分析的基礎上，基於協方差平穩過程理論和線性運算元譜分析理論，本文提出了譜主成分分析。 -
Numerical simulation signal and vibration acceleration signal of a roughing mill main drive speed reduction unit have been decomposed by using empirical mode decomposition algorithm ; each component has been carried on spectral analysis
摘要運用經驗模式分解演算法對數值模擬信號及某軋鋼廠粗軋機主傳動減速機振動加速度信號進行了分解，從而得到若干個基本模式分量，對每個模式分量進行了頻譜分析。 -
In the last few hundred meters of the descent, a white - light lamp on the probe will illuminate the surface ? which is normally a muddy red because the atmosphere absorbs the blue frequencies of sunlight ? allowing the disr to do a spectral analysis of the surface composition
在最後數百公尺的下降過程中，探測器上的白光燈將照亮地表（地表通常為暗紅色，因為大氣吸收太陽光中的藍色頻率） ，讓disr對地表組成進行光譜分析。 -
One theory and arithmetic " dual filter scan " of seeking peak in spectral analysis is brought forward and used for demarcate of spectrum and other analysis
提出光譜分析尋峰的一種原理和實現的演算法「兩層掃描篩法」 ，用於光譜的標定和其它分析。 -
Also, through the spectral analysis in digital image processing, methods of geometric correction and accuracy analysis, strengthening of information and extraction of the feature information of emerging of ratio and information ; the extraction of species and division into sub - compartment by using multi - supplementary information sources " ; and from the identification ability of a compartment, division into sub - compartments, land type and species and the ability of accuracy of geomatric correction and map - drawing ; they can be used as the comprehensive assessment of the ability of landscape planning and many other aspects, and determine the adaptiue faculty of different information sources in the forest management inventory
經過數字圖像的光譜分析、多種方法的幾何校正及精度分析、信息增強、比值及信息融合等多重技術進行特徵信息的提取，並應用dem 、林相圖和地形圖等多種輔助信息源，提取樹種、小班區劃等信息，提高了林班區劃、小班區劃、地類和樹種識別的能力與幾何校正精度、制圖能力，可用於風景區劃等方面進行綜合評價，確定不同信息源在森林資源二類清查中的適用性能力。 -
Life process and spectral analysis of castanopsis fargesii population
絲栗栲種群生命過程及譜分析 -
The application of time - series modeling and forecasting method to the spectral analysis for lubricating oil of mechanical equipment is discussed
討論了時序建模與預測方法在機械設備滑油光譜分析中的應用。 -
Here we used wavelet and spectral analysis to different kind seismic waves in volcanic area, in order to pick up their spectral character and determine the type of these earthquakes
本文對火山區不同種類的地震波形運用小波分析和頻譜分析的方法，希望能提取不同類型火山地震的一些頻譜特徵，確定火山地震的類型。 -
This paper gives an example describing the trouble shooting of oil whipping in a large air compressor by the use of vibration spectral analysis
摘要本文給出了用振動譜分析方法對一種大型空氣壓縮機油膜自激振蕩進行故障診斷的實例。
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