设计了基于模拟滤波器和基于数字锁相放大技术的两种红外气体传感器的信号处理方法。
Two signal processing methods, one based on analog filters, the other based on digital lock-in amplifying technique, are developed and analyzed.
通过模拟实验,证明了所设计的滤波器对兼容改善图象质量的有效性。
The effectiveness of designed filters for compatible improvement of picture quality is verified by simulation experiment.
改进了目前采用的开关电容网络阻抗标度设计法,使模拟滤波器可以用无源开关电容网络完成。
The variable impedance scaling method for design of SCN has been improved in the Paper, the resulting is that the analogue filter can be realized by Passive SCN.
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