spectral structure 中文意思是什麼
spectral structure
解釋
譜結構-
Four donor - acceptor conjugated carbazole derivatives for two - photon absorption optics were designed and synthesized. the spectral characteristics and the structure - activity relationship were investigated
摘要設計、合成了四個新的?唑類具有較大雙光子吸收截面的化合物，研究它們的光譜特性，對雙光子吸收的構效關系進行初步探索。 -
Based on the crystal structure of astrophyllite, we examined the infrared spectra of monoclinic and triclinic astrophyllites, contrast the infrared spectral features of both astrophyllite minerals, and discuss the assignments of infrared absorption frequencies
在新測定的星葉石晶體結構資料的基礎上，對星葉石礦物進行了詳細的紅外光譜研究，對比了單斜及三斜星葉石的紅外光譜特徵，並對星葉石中紅外吸收振動頻率的歸屬問題進行了討論。 -
A particular ir feature ( primarily denoted as fano - like spectral feature ) has been observed for the first time, when co is adsorbed on island films of particular structure
本論文首次觀察到特定納米結構薄膜（厚度大於13nm ，島狀結構）材料的fano類型光譜特徵（ fano - likespectralfeature ） 。 -
Gaas / algaas quantum well photodetectors ( qwips ) are new type devices and progressed rapidly in recent 20 years. qwips utilizing intersubband absorption between gallium arsenide ( gaas ) well and aluminum gallium arsenide ( alxga1 _ xas ) barriers were perfected. therefore, the ability to accurately control the band structure and hence the spectral response, as well as both established technology for growing and processing gaas optical devices and commercially available large area vlsi gaas ic ' s, makes gaas / algaas qwips attractive devices for use in very large focal plane arrays ( fpas ), especially available in the range of long wavelength 8 - 12 urn
Gaas algaas量子阱紅外探測器（ qwips ）是近二十年來迅速發展起來的一種新型紅外探測器，它成功地利用了gaas勢阱和al _ xga _ （ 1 - x ） as勢壘之間的子帶間吸收，使之具有能帶結構可精確設計從而獲得指定光譜響應的特點，加之成熟的材料生長技術、器件工藝，以及商業上可獲得大面積的vlsigaas集成電路，使得gaas algaasqwips尤其適宜製作8 12 m長波范圍的大面陣探測器。 -
By means of adopting structure mechanics method, quasi - static approaches, response spectral of modal combination approach and time - history analysis approach, the responding problems of static - dynamic load of structure are solved
分別採用擬靜力方法、動力分析中的振型分解反應譜方法與時程分析方法進行計算，通過三種計算方法的對比分析進水塔結構在地震力作用下的動力響應。 -
The method for analyzing the excitation spectral structure of diatomic molecule with laser induced fluorescence
激光誘導雙原子分子熒光激發譜結構的分析方法 -
The two components have identical vertical structure and physical process. the global spectral model component uses spherical harmonics as horizontal basis functions
這兩部分採用相同的垂直結構和物理過程，都用球諧函數作為水平基本函數。 -
At last, according to the significant spectral correlation of structure within the hyperspectral images, we propose a hyperspectral image lossless compression algorithm based on classification and prediction
最後根據高光譜圖像譜間的結構相關性，提出一種基於分類預測的高光譜圖像無損壓縮演算法。 -
The results show : the hyperspectral remote sensing images have much stronger spectral statistical correlation and spectral structure correlation than the rgb color images do. the spatial correlation of hyperspectral remote sensing images is weaker than that of ordinary images
結果表明：超光譜遙感圖像有很強的譜間結構相關性和譜間統計相關性，遠高於普通彩色圖像；而其空間相關性則比普通圖像低。 -
A spherical functions analysis scheme is expounded to analysis the monthly mean temperature field by using the results of the spherical functions assay of the height field. we using it principally study the spectral structure of the spherical function of the ncep / ncar monthly mean temperature field and its anomaly field
本文給出了一個利用高度場球函數分析結果進行半球月平均氣溫場球函數分析的方案，主要用它分析了ncep / ncar月平均氣溫場氣候及其異常場集的球函數譜結構。 -
On this basis, the paper mainly analyzed seasonal and height variation of the spectral structure of the spherical function and the difference of this variation between the southern and northern hemisphere
並在此基礎上重點分析了球函數譜結構隨季節、高度的變化，以及這種變化的南北半球差異。 -
Coupled finite element and wavelet boundary spectral method for sound - structure interaction analysis of axisymmetric bodies
軸對稱體聲振耦合的邊界子波譜與有限元耦合方法 -
By studying the discrete fourier transform properties of the band - limited digital signal, the authors introduce alternating projection neural networks into the paper, expand apnn ' s application scope from real field to complex field, and present several important conclusions on apnn. analyzing and discussing network ' s tolerance to noise, convergence rate and the spectral leakage problem of the truncated signal expected to be extrapolated by using these conclusions, the paper presents an extrapolation algorithm for band - limited signals based on alternating projection neural networks. a lot of simulation experiments show that the algorithm is effective. in addition, the algorithm is also effective to spectrum extrapolation. owing to adopting network structure, the algorithm is prone to parallel computation and vlsi design, and consequently can satisfy real time military processing needs
本文通過對頻帶受限數字信號的離散傅立葉變換特性的研究，引進了交替投影神經網路，並將其應用范圍從實數域拓廣到復數域，且給出了在復數域仍然成立的若干結論.運用這些結論，在對網路噪聲抑制、網路收斂速度及待外推信號因截斷而造成頻譜嚴重外泄問題的分析與討論的基礎上，提出了一種基於交替投影神經網路的外推演算法.模擬實驗表明該方法是行之有效的.另外，該演算法對頻譜外推同樣適用；由於它採用全互連神經網路結構，易於并行計算和vlsi實現，從而可滿足軍事上實時處理的需要 -
Fourth, there exists some corresponding relationships between spectral structure characters of ground micro - tremor and shear wave velocity of site soil layers. the outcomes of these two kinds of tests can be conferred each other. fifth, the correlations between predominant period of ground micro - tremor and thickness, and value of shear wave velocity of overburden layer are established
第五，建立場地土覆蓋層厚度、剪切波速與地脈動卓越周期之間的相關關系，有助於通過勘測場地土覆蓋層厚度的結果估算場地地脈動的卓越周期，以及揭示場地土剪切波速與地脈動卓越周期的內在相關規律。 -
The crossing czerny - tumer structure used by the optical system is analyzed. the ray tracing and aberration analysis of the spectrometer is realized with autocad and oslo. the quality of spectral images is also evaluated by oslo to get the optical configuration within aberration limits
對光學系統所採用的交叉光路czerny - turner結構進行了分析，使用autocad和oslo軟體對光學系統進行了追跡和像差分析，並利用軟體對光譜成像質量進行了評價，得到滿足幾何像差容限要求的光學結構。 -
The structure and the thickness and optical constants of each layer determine the reflectance of the thin film system. we made simulation of the determination of layer thickness of thin film system from is spectral reflectivity curve. the selected algorithm includes simulated annealing algorithm, genetic algorithm, conjugate gradient algorithm and dfp algorithm
我們對不同結構的膜系進行了理論模擬，並首次引入全局優化演算法，如遺傳演算法、模擬退火法等，和超線性演算法，如共軛梯度法、變尺度法等，對膜系的光譜特性曲線進行反演，求解出其結構參數。 -
Image difference is the most direct change detection method for change area extraction, but the gray difference image that is only based on spectral feature is difficult in describing the structure change of an objects
圖像差分是實現變化區域檢測的最直接方法，但是僅僅根據地物光譜特徵差異得到的灰度差分圖像難以表徵地物局部結構的變化。 -
( 3 ) though the conventional fourier power spectral analysis can reflect the common characteristics of the signal, it cannot provide the fine structure of time - frequency changes and the location of the jump points, while the wavelet transforming can better the situation
傳統的功率譜分析方法雖然能反映氣候信號變化的一般特徵，但無法反映時頻域變化的精細結構，也不能給出突變點的具體位置；而小波變換分析方法則可以很清楚地給出氣候信號變化的多層次結構和突變特徵。 -
Ultra - wideband ( uwb ) pulse communication is a very different communication technique from others. it has characteristics of high system capacity, low power spectral densities, exceptional multiparth immunity, simple structure and low probability of detection
超寬帶（ uwb ）脈沖通信是一種與其它技術有很大不同的無線通信技術，它具有通信容量大、輻射功率密度低，抗多徑干擾，結構簡單和保密性好等優點。 -
2. some phenomena of price complexity are discovered in csm, which are the complicated structure of returns frequency distribution and its evolution ; persistence and evolution of the market ; stable cycles in long - term, and persistence and reversion in short - term, using these methods, such as statistical test, rescaled range analysis, ljung - box test, bds test, v - statistic, spectral analysis, time - frequency analysis and so on
2 .利用統計檢驗、重標極差分析、 ljung - box檢驗、 bds檢驗、 v統計量、譜分析及時頻分析等方法發現了中國股票市場價格復雜性的三種現象，即收益率分佈的復雜結構及其演化現象、市場的持續性及其演化現象、市場長期穩定非周期循環和短期持續與反轉現象。
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