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- emission line spectrum 发射线光谱
- In a Cu+/K+ doped sample we found a very strong emission line at 395nm. 在Cu~+/K~+掺杂样品中新发现一个很强的395nm的荧光峰。
- Title： IRAS 17213-3841 : Late Type Carbon-rich Star or Early Type Emission Line Star? 关键词：恒星:碳星,恒星:早型,恒星:发射线,红外:恒星
- Extracting line spectrum from ship-radiated noise is a key technique for identification of underwater targets in passive sonar system. 线谱是水中目标辐射噪声中重要的特征信息,在被动声呐系统中,线谱提取是水中目标识别的关键技术。
- Simulations show by this method we can precisely estimate time delay for narrow band and line spectrum source in low SNR. 通过计算仿真结果证明这种方法对低信噪比下窄带和单频信号具有较高时延估计精度。
- The proposed NTTALE has the ability to handle undersea ambient noise twice, to enhance the UMT radiated line spectrum feature twice, and to track well time-varying signals. 用水下某目标辐射线谱的实测数据，对该增强器的性能进行了仿真研究。
- A semi-fragile speech watermarking algorithm based on speech model is researched, which is realized by quantization of line spectrum pair (LSP) parameters. 在语音产生模型的基础上研究了一种基于该模型的半脆弱性数字水印算法，通过对语音信号的线谱对(LSP)参数嵌入水印信息来实现。
- Some sources emit only certain wavelengths and produce an emission spectrum of Bright lines with dark spaces Between. Such line spectra are characteristic of the elements that emit the radiation. 有些光源只发射某些波长,产生的光谱是一些亮线,亮线之间则是黑的。这样的线状光谱是发射这些辐射的元素的特征。
- Much astrophysical information is to be obtained from the intensity of absorption or emission lines. 许多天体物理信息要根据吸收线或发射线的强度才能取得。
- Several lines are caused by light pollution, most notably the emission lines from sodium-D (NaD) and mercury (Hg). 光谱中部分发射线源于光害，最明显的有钠D(NaD)及汞(即水银)(Hg)发射线。
- Of the gas. Since different gas has different set of lines, we can tell which kind of gas it is by analyzing the line spectrum. 不同的气体会产生不同的线条,就如人类的指纹,只要分析光谱上的吸收线,便可以知道光波曾经通过的气体成分。
- By DEMON we can get more and stabler line spectrum information than by LOFAR, which is to make power spectrum analysis of signal directly. Several demodulation methods are introduced and compared. 通过包络解调技术可获得轴频等调制信息,这就是常用的DEMON谱分析方法。
- For instance, spectral emission lines of hydrogen reveal high-velocity gas plunging in from the disk's inner edge, channeled in by magnetic fields. 例如，氢的光谱发射线显示了自气盘内缘经由磁场导入，而猛烈沉降的气体；
- Dynamic modulated envelops were analyzed by dimensional spectrum and modulated line spectrums achieved. 然后，利用小波变换求其功率谱从而得到辐射噪声的调制包络；
- Current researches of searching, observation and theory on extragalactic H2O megamaser sources and associated molecular emission lines are mainly reviewed in this paper. 主要评述对河外H2O超脉泽源及与其相关分子谱线的搜索、观测和理论研究现状。
- The peak positions of the exciton emission lines in the PL spectra correspond quite well to the energies of the fundamental transition determined by SPS and CER data. 再比较PL的峰值讯号和SPS的谱线所得到的跃迁讯号后发现是相当吻合。
- Some of the most important properties of AGN are that they are star-like objects, have time-variable continuum flux, and the spectra include broad emission lines. 活动星系核的一些重要性质包括:它们具有恒星状的外表,随时间变化的连续光谱,以及宽的发射线等等。
- A detection method Of DEMON signal line spectrum 一种DEMON信号线谱识别方法
- Our next-generation high-resolution spectrometer is a novel combination of optics and electronics that is ideal for applications such as characterizing lasers, measuring gas absorbance, and determining atomic emission lines. 我们下一代高分辨率分光计，是一种新的光学和电子学器件的组合，对在激光特征分析，测量气体吸光率和确定原子散射线等领域的应用很理想。
- line spectrum feature extraction 线谱特征提取
