谱能
- 网络Spectral energy;Prepenem
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四个PG类星体的谱能结构与红外辐射机制
The Continuum Energy Distributions of Four PG Quasars and Their Infrared Radiative Mechanism
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相对于传统方法,时间尺度谱能更客观灵敏地反映物理实质,有效地抑制噪声干扰,在高背景低统计性的X射线天文观测中得到了很好的应用。
Compared to traditional means , the technique is highly sensitive in reflecting the nature of physical processes , especially in X-ray astronomy where observations have poor statistics and a high background .
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RVA谱能较好地区分AAC相似的品种的食味。
RVA profile characters were proved to be useful to distinguish the eating quality among rice varieties with similar apparent amylose content ( AAC ) .
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小波谱的能量在频率范围内分布较宽,而Hilbert能量谱能清晰地表明能量随时频的具体分布,大部分能量都集中在有限的能量谱线上;
Hilbert energy spectrum can clearly express the energy distribution with time and frequency in detail , and most energy are concentrated in a definitive range of time and frequency , but that of wavelet spectrum lines are distributed in a wider frequency range .
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碱卤晶体中电子型色心的吸收谱能态计算
Calculations on Absorption Energy Levels of Electron Trapped Color Centers in Alkali Halides
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乐音信号起始时间检测之谱能流法的评价与改进
Evaluation and improvement of the spectral energy flux detection method for the onset of music signal
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由此编制出来的飞机环境振动状态-时间谱能较真实地反映飞机实际使用的情况。
The state-lime spectrum of aircraft ambient vibration drawn up by this method can give true expression oi the aircraft practice .
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用中心加权的中值滤波器代替谱能流法中的普通中值滤波器,使算法性能得到提高。
The method that replaces the median filter of SEF with a weighted median filter can improve the property of the algorithm .
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本文着重介绍这种震源的工作原理、结构以及它的电能、声能、谱能和其它声效率。
The paper brings into focus on it 's principle , structure , and it 's electric energy , sound energy , spectrum energy and other sound effect .
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另外,双谱能抑制掉振动信号中的高斯随机成分、对称非高斯随机成分,保留非对称非高斯随机成分信息,这有利于降低噪声、非故障随机振动的干扰。
In addition , bispectrum can suppress the Gaussian random components and the symmetric non-Gaussian random components of vibration signals , meanwhile retain the information of asymmetric non-Gaussian random components .
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模拟计算结果表明,用该方法得到的滤波谱能使放大器的增益平坦在原放大器可能得到的最高增益水平,同时因滤波器的引入带来的噪声特性恶化也最小。
Simulation results show that by using this iteration algorithm , the flattened gain can reach the possible highest value of the original amplifier , and noise penalty is the minimum .
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对乐音信号起始时刻检测的谱能流法进行了验证,详细分析了该算法各环节对检测性能的影响。
The Spectral Energy Flux ( SEF ) algorithm for the onset of music signal is verified , and the influences of the SEF on the detected performance are evaluated in detail .
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研究表明:(1)铁磁/dx2-y2+idxy混合波超导结中自旋极化的隧道谱能较好地解释La2/3Ba1/3MnO3/DyBa2Cu3O7隧道结中观察到的零偏压电导凹陷的实验结果;
It is found that : ( 1 ) The spin-polarized tunneling spectra in the ferromagnet / dx2-y2 + idxywixed wave superconductor juntions can explain well experimental measurements of the conductance dip at zero-bias observed in La2 / 3Ba1 / 3MnO3 / DyBa2Cu3O7 junctions ;
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该相似谱能提供两红外光谱差异最为突出的波数范围或位置的信息,这些信息可辅助谱图解析,将其与模式识别技术结合起来,可实现对差异较小光谱的识别。
The SIR can provide the range of wave number , or location information of the most prominent difference in two IR , this can assist the spectra analysis . And it can realize the little differences between two spectra , combined with pattern recognition technology .
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所建立的双波长融合谱能有效控制栀子的质量,克服了单波长检测时信息量有限的缺点,能较全面、真实地揭示中药材的内在质量特征。
The dual-wavelength fusing method can effectively control the quality of Fructus Gardeniae and overcome the low information of mono-wavelength detection . It offered guarantee for the quality control of Fructus Gardeniae and provided a new method for thoroughly and authentically revealing the characteristics of TCM . 4 .
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X射线轫致辐射谱的能谱转化技术
Energy spectroscopy changing technique for continuous bremsstrahlung X-ray spectroscopy
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f~N组态谱项能计算的U群方法
Unitary group method for calculating spectral terra energies of f ~ N configurations
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各种含Ti氯化物的飞行时间谱,能满意地用.单组分或多组分Maxwell-Boltzmann公式拟合和分析。
All of the TOF spectra for the Ti-contained chlorides can be fitted satisfactory with single-or multicomponent Maxwell-Boltzmann distribution .
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钚样品γ能谱94&104keV能区中有22条X及γ射线可用来提供其同位素丰度信息。
A multi-channel spectrum of plutonium samples measured by HPGe detector includes 22 γ or X-ray lines in the 94 & 104 keV energy range , which can be used to provide information on the abundances of plutonium isotopes .
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相对于化学提取法,同步辐射X射线吸收精细结构(XAFS)谱因能表征重金属的分子形态而倍受青睐。
Compared to chemical extraction methods , synchrotron based X-ray absorption fine structure ( XAFS ) spectroscopy gains more and more attentions because this technique can probe the molecular speciation of heavy metals in soils .
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本文给出重复率TEACO2激光器注入锁定的实验结果,结果表明与单次TEACO2激光器注入锁定的规律相同,还观察到一条谱线能锁定与其相距较远的另一谱线。
The experimental results for the injection locking of a repeated TEA CO_2 laser are given , which are the same as those for the injection locking of the single TEA CO_2 laser . It has been observed that one spectral line can lock another line far away .
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预言UFP电子能谱亚能带的存在和金属UFP在某些尺寸下可能呈半导体特性,当粒子尺寸增大时,亚能带将无法辨别并最终消失,此时粒子完全呈块体材料特性。
Finally , the model predicts the existence of electron energy subbands in UFP and semiconductor behavior of metallic UFP in some size . When particle size increases the sub-bands can not be discriminated and finally disappears , the particle shows complete bulk characteristics .
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真空室由长109.5cm,内直径14cm的无缝紫铜管作成,这台谱仪能聚焦的电子的最大能量为3Mev(对应功率消耗约1070瓦)。
The vacuum tank of the instrument is made of a copper cylinder having the length of 109-5 cm , and 14 cm inner diameter . The maximum energy of the electrons focused by this instrument is 3 Mev ( corresponding a spend of 1070 watts ) .
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调试正电子寿命谱仪能窗的一种简便方法
A simple method of setting the energy window of positron lifetime spectrometer
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结果:本色谱条件能分离盐酸地尔硫艹卓及有关物质;
Results Diltiazem hydrochloride and relevant substances could be separated under the condition .
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在该温度条件下所获地质样品的热释氯谱,能提取到更有效的找矿指示信息。
Under this thermal condition the chlorine heat release spectrum obtained from the geological samples tested will provide more effective ore guides .
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结果表明,动态谱图能充分反映摩擦噪声的时变性、频谱结构和动态范围。
The result indicates that a dynamic spectrum contains rich information about time-variation , frequency spectrum structure and dynamic range of friction-induced noises .
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原则上该方法也可应用到与粉末衍射谱类似能用峰形函数描述的其他实验谱的拟合研究中。
In principle , the method can also be applied in other kinds of spectra which can be described by profile shape function .
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研究发现:子频段上的功率谱熵值能较好的区分老年心梗者和老年健康者。
Then we find that the power spectrum entropy on sub-frequency band can differentiate the old myocardial infarction group and the old healthy well .
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结论利用谱分析能准确地提取周期信息,这对于时间序列数据的进一步处理有着重要的意义。
Conclusion Using spectral analysis , information cycle was accurately extracted . It was very important for the further processing of time series data .