1) digital spectrometer
数字频谱仪
2) digital spectroscopy
数字谱仪
1.
The energy resolution of digital spectroscopy can be improved by finite impulse response (FIR) filters optimized for the presence of any kind of stationary noise.
为提高数字谱仪的能量分辨率,利用约束最优化方法提出了一个在任意平稳噪声背景下直接设计最佳数字有限冲击响应(FIR)滤波器的方法。
4) digital spectra
数字频谱
1.
In this paper,we first define the concept of amplitude nonuniformly sampled signal,study the digital spectra of the amplitude nonuniformly sampled signal,derive its digital spectra representation,and furthermore present a detailed spectrum analysis of an amplitude nonuniformly sampled sinusoid,to obtain the signal to noise ratio.
本文首先提出了幅度非均匀取样信号的概念 ,然后研究了由于偏置产生的幅度非均匀取样信号的数字频谱 ,推导出了它的数字频谱表达式 ,详细分析了存在偏置时正弦信号的数字频谱 ,得到了系统的信噪比公式 ,最后给出了计算机仿真结果 。
5) digital spectrometer
数字化谱仪
1.
The Development and Application of the Digital Spectrometer Software;
数字化谱仪软件系统的研制和应用
2.
Up-to-the-art developments of spectroscopic techniques are reviewed, including digital spectrometer, CdZnTe detector, new spectrum analysis methods and new spectrometer system design techniques.
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