A photonic crystal narrow band filter at green light wave band is designed with optical transfer matrix method, and some factors affected are studied.
利用传输矩阵法设计了一种适用于绿光波段的光子晶体窄带滤波器，并研究了影响滤波器特性的多种因素。
According to coupled wave theory, the volume hologram has a good property for light filtering and can be used as a kind of narrow-band filter.
根据耦合波理论，体积全息图有很好的滤光特性，可以作为一种窄带滤光片在实际中得到应用。
The preprocessor can extract clock information from NRZ data stream, which consists of a delay cell, a multiplier and a narrow-band filter.
预处理器主要有延迟单元、乘法器和窄带滤波电路构成，可以从NRZ数据中得到时钟信号。
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。
Finally, the system components, measurement procedure and measurement results of the stray light measurement system, using narrow-band filter, are introduced.
最后，介绍了使用窄带滤光片测量星载超光谱成像仪杂散光的测量系统组成、测量步骤和测量结果。
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。
The way on program design of narrow-band filter is given.
提出了基于遗传算法的窄带滤光片的最佳设计方法。
The narrow band FIR filter based on multi-sampling rate of digital signal processing theory is designed and realized on DSP.
基于多抽样率数字信号处理原理，设计窄带FIR滤波器，并在DSP芯片上实现。
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。
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。
An example of extreme narrow band low pass filter is also given in detail.
给出了极窄带滤波器的具体实现方案。
Technology based on adaptive-filter, transform domain, code-aid and so on offer reliable and effective tool to the narrow-band interference suppression.
自适应滤波、变换域技术、码辅助技术等多种研究工具的引入更为窄带干扰的抑制提供更多可靠而有效的手段。
Frequency synthesizer composed of PLL is widely used in radar system because of PLL specialties such as narrow band, signal tracking and filter.
由于锁相环电路具有的窄带、跟踪、滤波等优点，因此在现有的雷达系统中，普遍采用由锁相环构成的频率综合器。
This article introduces the basic principle of radar narrow band doppler filters, puts up the designing method of the hardware circuit and analyzes the filter accuracy.
介绍了采用数字方法实现雷达窄带多普勒滤波器组的基本原理，给出了硬件电路的设计方法，并对滤波器精度进行了分析。
This paper studies high decimation ratio of digital downconverter given narrow-band signal, and especially analyze mul? stage decimation algorithm based on CIC filter and HB filter.
本文研究了窄带信号条件下，高倍抽取的数字下变频设计，重点分析了基于CIC滤波器和HB滤波器的多级抽取算法。
Finally, the S-CDMA and the adaptive nonlinear filter techniques are used to restrain the impulse interference and the narrow-band continuous wave interference.
最后，采取了同步码分多址技术和非线性自适应滤波技术来抑制冲击干扰和窄带连续波干扰。
An automatic tracing centric wavelength demodulation system based on the edge filter which can measure the wavelength of the narrow-band back-reflected spectrum FBG is described.
介绍了一种基于边缘滤波器，可带中心波长自动跟踪，主要应用于海底水声信号的检测的光纤光栅波长解调器。
A guided-mode resonant filter (GMRF) based on the structure of anti-reflection (ar) thin film waveguide is proposed to realize three-primary-color filter with narrow-band.
为获得性能优良的三基色窄带滤光片，提出了一种基于减反射薄膜波导光栅结构的导模共振滤光片。
Because of its ability of tracking, acquisition and operating as a narrow-band filter, PLL is widely used in many fields such as astronautics, communication, microprocessor, and so on.
由于锁相环具有捕获、跟踪以及窄带滤波的能力，因此它被广泛地应用于航天、通信以及微处理器等许多领域。
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。
In the receiving system, the narrow-band interference filter is introduced in order to reduce the background light, increase the signal transmission rate, and improve the signal-to-noise ratio.
在接收系统中，引进窄带干涉滤光片，减少背景光的干扰，增加信号光透射率，改善信噪比。
It can be used to predict the narrow-band interference instead of using adaptive LMS filter.
它可以替代lms滤波器用来预测窄带干扰。
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。
Band stop filter made with this structure has narrow gap and steep attenuation.
利用该结构制作的带阻滤波器，阻带窄、衰减陡峭。
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。
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。
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