It is found that a novel acoustooptic coupled ring resonator can be got for the frequency shift and filtering characteristics of the acoustooptic fiber coupler.
结果表明利用光纤声光耦合器的移频与滤波特性，可研制成一种全新结构的光纤声光耦合环形谐振腔。
These modules include the ring detection module, call filtering module, dual-tone multi-frequency decoder modules, voice prompt module and microprocessor controlled driver module.
这些模块包括振铃检测模块、来电过滤模块、双音多频解码模块、语音提示模块和单片机控制驱动模块。
A scheme to achieve ultrahigh speed all-optical format conversion from on-off keying (OOK) to phase-shift keying (PSK) by using the linear filtering in the silicon ring resonators is proposed.
本文提出一种利用硅基微环线形滤波功能的全光超高速开关键控码型(ook)到相位键控码型(PSK)的格式转换方案。
This paper is mainly studied denoising of image. Denoising methods of image are introduced such as average method, morphological filtering, median filt ring and wavelet.
本文主要以图像除噪为研究对象，介绍了图像的降噪方法—平均值法、形态学滤波器、中值滤波器以及小波。
This paper is mainly studied denoising of image. Denoising methods of image are introduced such as average method, morphological filtering, median filt ring and wavelet.
本文主要以图像除噪为研究对象，介绍了图像的降噪方法—平均值法、形态学滤波器、中值滤波器以及小波。
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