在研究匹配滤波和重采样原理的基础上，利用频带分割和多通道综合技术实现超宽带信号的脉冲压缩。
Then, a method exploiting the techniques of intersection of spectrum and multi-channel synthesis is presented to fulfill the pulse compression of the ultra-wideband signal.
实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
Digital filtering technique based on least square method, multichannel sampling technique and frequency variation sampling technique were used experimentally.
实验应用了基于最小二乘法的数字滤波技术、多通道采样技术、变频率采样技术。
Digital filtering technique based on least square method multichannel sampling technique and frequency variation sampling technique were used experimentally.
DWDM解调技术利用DWDM的滤波曲线和波分复用技术可以实现多通道动态解调。
The DWDW demodulate technology which use the DWDM filter curve and wavelength division multiplex technology can realize multichannel dynamic demodulate.
这种结构的光子晶体可以用来制作超窄带滤波器和多通道窄带滤波器，有望在光通信超密度波分复用技术和光学信息精密测量技术中获得广泛应用。
The concept of quasiperiodic one-dimension photonic crystal nanometer film is proposed, and research finds that it can be applied to realize optic narrowband filter.
这种结构的光子晶体可以用来制作超窄带滤波器和多通道窄带滤波器，有望在光通信超密度波分复用技术和光学信息精密测量技术中获得广泛应用。
The concept of quasiperiodic one-dimension photonic crystal nanometer film is proposed, and research finds that it can be applied to realize optic narrowband filter.
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