The key technique of this new filter is how to achieve the extreme narrow band-pass width and a slight deviation of central frequency.
如何实现极窄的通带宽度和极小的中心频率偏差是研制中所解决的关键技术问题。
The principle and characteristic of the signal generated lay the sensor is analyzed. The narrow pass band following up filter, which fits to regulate the signal, is designed.
分析了该光电传感器的工作原理及信号特点，设计了适合处理该信号的窄带通跟踪滤波器。
Thesis also discusses the temperature stability of DWDM thin film narrow band-pass filter.
论文还讨论了波分复用滤光片的温度稳定性问题。
To reduce the construction size of narrow band pass filter, it is needed to look for the coating materials with high refractive index.
为了简化窄带光学滤波器的结构，需要寻求更高折射率的膜层材料。
In the paper, we also discuss the temperature stability of DWDM thin film narrow band-pass filter.
论文还讨论了波分复用滤光片的温度稳定性问题。
According to the periodicity of the coding regions, the FIR filter and the adaptive filters with narrow pass-band are developed.
根据基因编码区的周期性质，设计了具有窄带选通特性的FIR数字滤波器和自适应滤波器。
Preparation narrow-band pass filter by plasma ion assisted deposition;
研究了采用等离子辅助技术制备窄带滤光片的工艺。
Preparation narrow-band pass filter by plasma ion assisted deposition;
研究了采用等离子辅助技术制备窄带滤光片的工艺。
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