A kind of coding method of gray-scale phase-only matched filter according to the phase modulation property of the spatial light modulator has presented.
根据空间光调制器的相位调制作用,提出了一种灰阶纯位相匹配滤波器编码方法。
Phase-matched filter is applied to extract phase of fundamental surface wave, and then time-variable filter is used to correct amplitude spectrum in order to isolate fundamental mode signs.
使用相匹配滤波技术提取基阶面波振型的相位,然后再利用时变滤波进行振幅谱校正,以此分离出基阶振型面波信号。
Computer simulations show that this kind of filter is much more sensitive as compared to a matched spatial filter or a phase-only one.
计算机模拟的结果表明,这种滤波法对输入信号的旋转变化和尺度缩放变化,相对于传统的匹配滤波法及仅相位滤波法要敏感得多。
Computer simulations show that this kind of filter is much more sensitive as compared to a matched spatial filter or a phase-only one.
计算机模拟的结果表明,这种滤波法对输入信号的旋转变化和尺度缩放变化,相对于传统的匹配滤波法及仅相位滤波法要敏感得多。
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