特徵譜帶 的英文怎麼說
中文拼音 [tèzhǐpǔdài]
特徵譜帶
英文
key band- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 徵 : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
- 譜 : 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)...
- 特徵 : characteristic; feature; properties; aspect; trait
-
Two hundred and seventy - four sites were detected by 15 10 - mer primers, out of which 262 were polymorphic ( 95. 6 % of the total loci detected ). all of the materials were clearly distinguished, of which fourteen samples have forty - five typical rapd bands. before the molecular taxonomy was introduced, people never doubted subgenus yulania ' s disrelation with subgenus magnolia and a close relation between subgenus yulania and michelia, as there is in both genera a sameness seen in their prolepsis and powder chambers dehiscing on the side
3 、通過對玉蘭亞屬rapd擴增譜帶的分析,發現該類群具有很高的多態性:多態位點百分率高達95 . 6 ,產生的多態性帶數與所用引物數的比例為17 . 6 , 15條隨機引物清楚地分開了31個種類,其中的14個種共有45條特徵性帶,在利用rapd標記已研究過的類群中,本類群多態性較高。The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。2. the data from zymogram ( est bands and their rf ) are transferred into bimorphic characteristic data. a data matrix is established based on the data and calculated by phylogenetic analysis software package winclada 1. 00. 04, and then phylogenetic trees of intraspecies and interspecies are mapped
2 、將所獲得的盲蝽科4亞科11屬23種盲蝽雄雌個體的酶譜數據(酶帶和相對遷移率rf )轉化為二態特徵數據建立矩陣,應用系統發育分析軟體包winclada1 . 00 . 04對數據矩陣進行分析運算,並分別獲得各個亞科內和亞科間的系統發育樹。The method of bispectrum can extract characteristic of seismic series bispectrum and detect fracture zones by decreasing dimensions
雙譜法通過採用模式識別的方法對地震序列的雙譜提取特徵,通過降維實現裂縫發育帶的檢測。This paper has described relative information of gold depositions genesis and hunting besed on studying characteristic of occurrence and appearance, compositions of trace elements, cell parameters, thermoelectricity, ir spectroscope with pyrite in huang - sha gold depositon of jiangxi. it can be provided important scientific basis for evaluation this deposition and hunting a similar ore point or zone in huang - sha region
通過對江西黃沙金礦床中黃鐵礦的產狀及形態特徵、成分特徵、晶胞參數特徵、熱電性、紅外光譜特徵等礦物學的詳細研究,討論了黃沙礦中蘊藏的金礦成因及找礦信息,為正確評價該礦床和在該區找尋新的金礦點(帶)提供了重要的依據。Female courtship signal of the brown planthopper was made of many continuous regular pulses and male ' s signal was made of similar syllabics and had two types with different time domain characteristics. second male vibrational signal differed from male courtship signal with wide spectrum range and regular syllabics frequency. time domain characteristics of signals in different individuals even the same individual were different
頻域特徵分析知,褐飛虱雌蟲求偶嗚聲信號的頻域特性較穩定,個體內比個體間差異小;雄蟲求偶嗚聲信號s 、 e片段頻譜范圍較寬,但主振頻率比較接近,差異不顯著; m片段頻帶較窄,主振頻率mvf略小於s 、 e片段,變異較小; m片段脈沖重復頻率prf為幻In sce method, a sub - band frequency energy technique has been improved and a new technique which is based on phase plane technique has been proposed. four characteristic quantities have been extracted and used in data - analysis
統計特徵量方法中,改進了子帶能譜特徵量提取方法;獨立提出了散射信號相平面特徵量提取方法。This article describes canopy apparent spectral reflectance of three mangrove species at jiulong river estuary reserve using a portable hyperspectrometer, using the spectral data collected in fields to analyze mangrove canopy spectral reflectance characteristics and to compare their differences, the mangrove species distribution classified by using a tideland remote sensing information discrimination software based on spot satellite remote sensing images, and the disadvantage of mangrove spectral reflectance in higher research is discussed
摘要結合使用野外便攜式光譜儀對九龍江口紅樹林保護區白骨壤、秋茄、桐花樹3種紅樹植物的葉冠表觀光譜的測量結果,系統分析比較了紅樹植物葉冠反射光譜特徵及其差異;並在一個潮間帶底質遙感信息處理平臺上對研究地點進行基於表觀光譜特徵的白骨壤和秋茄的spot衛星遙感圖像分類;最後討論了紅樹光譜研究中存在的問題。Based on the isozymogram of esterase of polyacrylamide electrophoresis, the heredity difference of the anhui native varieties of mulberry could be classified into four categories which had the same origin and the similar characters
依據桑樹冬芽的酯酶同工酶聚丙烯酰胺凝膠電泳技術得到的譜帶圖對安徽省17個地方桑品種進行聚類分析比較其遺傳差異,並把這些品種分為4類,各類型具有來源相近且具有某些形態特徵相近的特點。Wavelet analysis is used to translate noise signal of the engine into time - frequency domain. selecting appropriate frequency band to pick up and making its envelope spectrum, then two feature frequency - 0. 5x speed frequency and 2x speed frequency that represent the abrasion condition can be found. in addition, a new diagnosis method of image processing technique is proposed
利用小波分析將測得的機體噪聲信號變換到時頻域,選擇合適的頻帶加以提取並進行包絡譜分析提取包含特徵頻率的包絡,通過分析提取后的0 . 5倍頻和2倍頻分量,發現兩個特徵頻率可準確反映主軸承的磨損狀況。In this text we make a diagnosis of linear and nonlinear response of quasi - quadrennial ( qq ) and quasi - biennial ( qb ) component of nino3. 4 index by using reanalyzed ncep / ncar data of sst, wind stress ( pseudo stress ) field, ssp, then have a time and spatial analysis of wind stress field by using mssa, and finally find the importance and contrast the effect of different wind stress field forcing the sea so as to find the cause ofenso irregularity
本文首先分析海表溫度( sst ) 、風應力場、海表面氣壓( slp )等ncep ncar再分析的月距平場對于nino3 . 4指數的準4a ( qq )和準2a ( qb )振蕩成分的線性和非線性響應,接著用mssa (多通道奇異譜分析)對風應力場進行時空特徵分析,最後用一個熱帶太平洋動力海洋模式研究具有不同振蕩性質的風應力場對海洋強迫作用的重要性及差異,尋找enso不規則性的原因。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。The process of target identification is formulated, which involved feature extraction, dimension reduction and classification. for solving the overlap of each subspace of a wavelet library in frequency, there are two approaches that are best basis ( bb ) and local discriminant bases ( ldb ). their measure and searching algorithm were researched
從數學的角度描述了目標識別過程,依據cwt和多分辨分析表示信號的特點,提出了以信號尺度?小波能量譜、時間?小波能量譜、多分辨分解系數和各子帶能量強度為特徵的方法。Ds signal is twice modulated with the rapid pseudorandom noise sequence and the carrier. so it appears cyclostationary. in the field of spectral correlation, ds signals appears its characteristic as fallows : for the amplitude of spectral correlation, the information of carrier frequency and pn code rate are contained on the spectrum frequency equal to zero sheet, and also the pn code rate is contained on the sheet of spectrum frequency equal to carrier frequency ; for the phase of spectral correlation, the information of carrier initial phase is contained on the sheet of cyclic frequency equal to double carrier frequency
Ds信號是經過高速偽隨機序列和正弦載波二次調制的寬帶信號,因此具有周期平穩特性,它在譜相關域表現為:幅頻特性在譜頻率等於零截面切片上包含了載頻和偽碼速率信息特徵,在譜頻率等於載頻截面切片上包含了偽碼速率信息特徵;相頻特性在循環頻率等於兩倍載頻截面切片上包含了載波初相信息特徵。Based on the principle and theoretical mechanism of remote sensing technology and aeromagnetic technique, in combination with the physical properties and adsorption characteristic spectral bands of iron oxides which widely occur in nature, this paper advances a new opinion concerning the integrated application of remote sensing technology and aeromagnetic technique in the field of geosciences
摘要依據遙感和航磁技術的方法原理及理論機制,結合廣泛賦存於自然界巖石中的鐵氧化物之磁性與光譜吸收特徵譜帶的研究分析,提出在地學領域中綜合應用遙感與航磁技術方法的新認識。It points out that the signal which is located on the edge of filter is changed but still keeps the characteristics of lfm signal, so traditional lfm signal parameter estimation algorithms can be used. ( 3 ) the effects of parameters of analog - digital channelized receiver on lfm signal parameters estimation are discussed
( 2 )對超寬帶線性調頻信號通過通道化之後的頻譜結構變化進行了定性的分析,指出超寬帶線性調頻信號在通過通道化之後,其位於通道邊緣的部分發生了較小變化,但仍具有線性調頻信號特徵。The paper involves two parts of closed - set text - independent speaker identification systems in noise. firstly, the paper introduces shortcomings of the parameters, such as lpcc, mfcc etc. so sub - band energy cepstral feature parameters based on multi - rate sub - band processing and teager energy operator are described. while the paper discusses the use of rayleigh cepstral liftering to weigh sub - band cepstral coefficients so as to emphasize speaker personality information
首先本文介紹了各種特徵提取的方法,如lpcc 、 mfcc等,在分析了它們的缺點的基礎上,本文根據人耳頻率子帶獨立識別的特性和能量運算元,提出了子帶能量倒譜特徵參數,並用提出的瑞利倒譜提升進行加權,突出說話人的個性信息。The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction
進行了帶縫空心剪力墻結構六層樓房的1 3模型的擬動力試驗,研究了結構在水平地震作用下的受力特點、變形特徵、破壞形態等力學性能;得到了結構在不同受力階段的頻率、阻尼、反應譜等動力特性變化規律;討論了結構各樓層的水平位移、層間位移、地震力、加速度放大系數及構件應力分佈規律等結構地震反應特徵;指出了結構的抗震類型、薄弱層及薄弱部位;提出了多層帶縫空心剪力墻結構的第一階段設計方法和相應構造措施。Because of the good sensibility, ultrasonic narrow band signal analysis technique with 1mhz central frequency was chosen to differentiate the heat treatment samples above - mentioned. there are obvious differences among heat treatment products in principal frequency, spectral peak ' s quantity, amplitude and distribution. that is to say, the technique of ultrasonic narrow band power spectral can be applied to characterize the microstructures of multi - phased alloy steels
利用窄帶信號頻譜分析技術靈敏度高的突出優點,選取中心頻率為1mhz的窄帶超聲信號,對上述不同熱處理試樣進行超聲功率譜分析,發現不同熱處理產物在功率譜主頻率、譜峰特徵(幅度、數量、分佈)等方面,都存在不同程度的差異。The results show that the differences between the two composites are very large. although the micrograph of the ni nano - wire and the co nano - wire are nearly the same, as the metal composition increased, the absorption band - edge of the ni / aao composite is small red - shifted ( 13 run ), however, the absorption band - edge of the co / aao composite is strongly red - shifted ( 80 nm ). meanwhile, the ni / aao and co / aao composite exhibit the optical features of the semiconductor with indirect and direct band gap respectively
或no組份比的增加, ni / aao吸收邊的紅移量僅約13nln ,而co / aao的吸收邊紅移量卻超過了80lun ,分析發現ni / aao復合體系具有間接帶隙半導體的光學特徵,而co從ao復合結構則具有直接帶隙半導體的光學特徵; 5 .實驗研究了a創aao納米有序陣列復合結構的光吸收特性,在其光吸收譜上出現了較強的ag表面等離子體振蕩吸收峰,隨ag沉積量的減少,吸收峰位發生紅移,且逐漸展寬分享友人