first order spectrum
英 [fɜːst ˈɔːdə(r) ˈspektrəm]
美 [fɜːrst ˈɔːrdər ˈspektrəm]
一级图谱
双语例句
- The method first realizes detection and classification of moving targets with different ambiguous velocities via MTD in order to simplify the spectrum of beat signal, and then eliminates moving targets 'range-velocity coupling with frequency domain pairing.
该方法首先通过MTD实现对不同模糊速度目标的检测和分类，简化差拍信号频谱环境，然后利用频域配对法实现动目标的距离速度去耦。 - The first order and the second order stationarity conditions of HMTD model can be derived on the bases of measure theory, which will establish the base of theory for deep investigation of spectrum of the model.
基于测度论的方法可导出异方差混合转移分布模型的一阶、二阶平稳条件，为进一步研究该模型的谱奠定了理论基础。 - This paper discusses the mathematical model of boundary feedback on two coupled vibrating strings, its corresponding first order linear hyperbolic system and the property of the spectrum.
本文讨论了二根耦合振动弦边界反馈的数学模型，讨论了相应的一阶线性双曲系统及谱的特征。 - First, the basic theory about cross-high-order spectrum is presented.
本文以互高阶谱理论为基础，对混合色噪声背景下正弦谐波信号恢复进行了深入研究，并分析了互高阶累积量矩阵的特征。 - METHODS: First order derivative spectrum was used as the concentration determination method.
方法：用一阶导数光谱法测定青藤碱凝胶的含量。 - RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳，推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。 - Both the normalized spectrum and the first order derivative spectrum can estimate the effect better. The latter is more accurate.
归一化光谱和一阶微分光谱都能获得较好估算效果，相比之下，后者的精度更高。 - For the first time the first order SRS spectrum of PMMA plastic fiber is gained and the frequency-shift, threshold, spectrum width are also gained.
首次在实验上获得了聚甲基丙烯酸甲酯塑料光纤的一级拉曼光谱，获得了它的频移、阈值和带宽。 - Research on broadband AOTF spectrometer: first of all, in order to widen the spectrum measurement range of the spectrometer, we investigate the broadband interdigital transducer and propose a new structure of AOTF ( double broadband interdigital transducers) to further extend the range of the spectrometer.
宽带集成光学AOTF光谱仪的研究：首先为了增加光谱仪的光谱测量范围，对宽带叉指换能器进行了研究，并提出新型的AOTF结构（双宽带叉指换能器）进一步扩展了光谱仪的测量范围。