spectral type 中文意思是什麼
spectral type
解釋
光譜型-
The hertzsprung - russell diagram serves this purpose. it is a plot of absolute magnitude against surface temperature i. e., spectral type of stars
簡單來說，赫羅圖把大量恆星的絕對星等和表面溫度或譜型關系以圖表方式顯示出來。 -
Orbital calculation of g spectral type globular clusters in the galaxy
型球狀星團的軌道計算 -
Furthermore, we also reserch the influence of setllar age to stellar activity of late - type stars. the relation of stellar chromospheric activity and rotation of late - type main sequence stars depend on stellar spectral type
大樣本分析顯示晚型主序恆星的色球活動與恆星自轉參量的研究晚型主序恆星的色球活動與恆星自轉參量間的關系表現出對恆星光譜型的依賴。 -
The relation between stellar chromospheric activity and rotation of evolution stars have a good relativity. but meticulous analysis show chromospheric activity of evolution stars depend on stellar spectral type and effective temperature strongly. we provide several possible explain for those phenomena
但是細致分析顯示演化恆星色球活動水平隨恆星自轉周期間的分佈對恆星光譜型和恆星表面有效溫度有很強的依賴，並對這些現象提出了幾種可能的解釋。 -
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。 -
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。 -
The spectral and group delay characteristics are studied and the potential uses of this type of grating for wavelength selection and dispersion compensation are discussed. a novel scheme of oadm configuration based on linearly chirped moir fiber gratings is proposed. we have designed a lcmfg to compensate dispersions for eight channels at the same time
在此基礎上，提出了一種新型的基於線性啁啾moir光纖光柵的光分插復用器（ oadm ）的結構設計方案；並設計出一種中心波長、相鄰中心波長間隔都符合itu規定的dwdm波長標準的基於線性啁啾moir光纖光柵的多通道色散補償器件。 -
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。 -
2. by doing precise computation of spectral radius of linear operator of linear equation and by using measure of noncompactness and leray - schauder type fixed point theorem of condensing mapping, the existence and the uniqueness of the solutions are obtained, which extend the results recently achieved in this field
二、通過線性方程解運算元譜半徑的論證，在緊型條件下利用凝聚映射的leray - schauder不動點定理及冪壓縮映射不動點定理，獲得了解的存在性與唯一性結果，這些結果推廣了近期這方面已有的一些結果。 -
Spectral and recongnized method for different plant type wheat cultivars
冬小麥不同株型品種光譜響應及株型識別方法研究 -
One reason is the change of interior convection zone with spectral type produce the phenomena ; another reason is the differential rotation of f type stars exist a upper limit
這一拐點的出現可能是f型主序星的對流區的變化影響形成的，也可能是f型主序星在f5附近存在較差自轉的上限形成的。 -
4 different types ’ features were generated, namely ar model parameters, power spectral frequency band intensity, energy for wavelet packet decomposition, wavelet packet entropy. every type of features were extracted respectively using pca and ica method and classified using linear neural network, knn and bp network
建立了ar模型參數、功率譜估計頻帶強度、小波包分解能量比率、小波包熵四種特徵，分別使用pca與ica進行特徵提取，採用線性神經網路、 k -緊鄰法、 bp神經網路四種分類器進行分類。 -
Because of its great mass, both the core temperature and density are higher than that of a solar mass star. the nuclear reaction rate is also higher and it produces more energy per second. the star is of spectral type o, b or a
由於質量更大，恆星核心的密度及溫度亦必然比小質量恆星高，所以熱核反應會以更快速度進行，產生出更多的熱能，恆星會更加光亮，這些恆星通常為o b或a型恆星。 -
The results show that essential difference is existed in absorption spectum of potash feldspar between gold - bearing and gold - barren deposits and the visible absorption spectral characteristics of potash feldspar would be the important exploration criteria of the wulashan - type gold deposits
結果表明，含礦與不含礦鉀長石的吸收光譜有著本質的差異，鉀長石的可見光吸收光譜特徵可作為烏拉山式金礦的重要找礦標志。 -
Bounds on the spectral radius of a type of tree graphs
一類樹圖譜半徑的界 -
Second, introduce the dyadic wavelet analysis, and use it realized the signal monitor and analysis to the turbine compressor, obtained the detail signal and approach signal at different frequency parts of the compressor s original signal. one type of electromotor that made in china is choose, and it s noise is tested. the noise signal is analyzed by wavelet analysis and spectrum analysis. several high spectral peaks that make people hearing disameniry are found. by contrast with theory calculating results and farther analysis. the cause that producing these spectral peaks is located
其次，介紹了二進小波分析，並應用二進小波分析實現了對透平壓縮機信號的監測分析，得到了壓縮機原始信號在不同頻率段分解的細節信號和逼近信號。用小波分析和譜分析相結合的方法對某國產電機的噪聲進行了分析，找出了人的聽閾不閱的幾個高譜峰位置，進行了空氣動力噪聲計算，通過與理論計算結果進行對比分析，進一步找出了產生該頻閩譜峰的幾個原因，第三，介紹了諧波小波和分形的基本原理。 -
The microcavity effect provides the possibility to control the spectral properties of emission and is of considerable interest in the realization of flat panel display devices, which require the emission of blue, green, and red light. in this paper, ladder - type poly ( p - phyenylene ) （ lppp ） thin films were used as the light emitter and hole transporter, while dye pyomethene doped alq was electron transporter
本文採用有機半導體梯形對次苯基聚合物（ lppp ）作有機電致發光器件的發光材料和空穴傳輸材料，以1 . 0 % pm580染料（ dyepyomethene ）摻雜的8 -羥基喹啉鋁（ 8 - hydroxyquinolinealuminum - alq ）作器件電子傳輸材料。 -
From o to m. hottest stars are spectral type o, and coolest stars are type m. the standard mnemonic to remember the sequence of spectral types is oh, be a fine girl, kiss me
由最熱的o型恆星開始，接著是b型a型f型g型k型，最後是最冷的m型。 -
The corona activity of late - type main sequence stars also depend on the stellar spectral type
晚型主序星的冕球活動也表現出對恆星光譜型的依賴性。
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