Based on the characteristic of spectrum absorption of acetylene, an optical fiber detection system for methane gas is presented, which has reference channel and is for on line and real time detection.
基于乙炔气体的光谱吸收特性，采用一种带有参考通道的光纤乙炔气体在线实时检测系统。
This paper is the second part, which presents the characteristic of reflection and refraction coefficient spectrum at line boundary.
本文是第二部分，主要探讨了两类母线的接线情况下，线路边界的折、反射系数的频谱特征。
This paper introduces a power line modem chip SC1128 based on Spread Spectrum technique, analyzes it's characteristic and compare it with other modem chips.
本论文选用了一种基于扩频技术的电力线调制解调芯片SC1128，通过与国内外同类产品的对比，分析其通信特性和适用性。
Being different from applying the window with better spectrum characteristic to reduce the long-range leakage, a new method, named multi-spectrum-line interpolation correction algorithm MICA.
据此，不同于以往应用性能较好的窗函数来减小长范围泄漏效应的作法，提出一种能同时修正长、短范围泄漏的多谱线插值新算法。
Being different from applying the window with better spectrum characteristic to reduce the long-range leakage, a new method, named multi-spectrum-line interpolation correction algorithm MICA.
据此，不同于以往应用性能较好的窗函数来减小长范围泄漏效应的作法，提出一种能同时修正长、短范围泄漏的多谱线插值新算法。
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