【摘 要】
：
分析了微分滤波对联合变换功率谱的影响，得到了一种称之为功率谱形式的微分滤波器。该滤波器的滤波函数为一实数并且有一定的特点，因此很容易制得。计算机模拟表明，功率谱微分滤波联合变换相关器在相关峰值、旁瓣比、半宽度等方面比一般联合变换相关器有显著的改善，可以大大提高相关图像识别的可靠性。文中给出了实验结果，与模拟计算结果吻合，引入一个新参数可以更好地描述相关图像识别中的相关性。
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分析了微分滤波对联合变换功率谱的影响，得到了一种称之为功率谱形式的微分滤波器。该滤波器的滤波函数为一实数并且有一定的特点，因此很容易制得。计算机模拟表明，功率谱微分滤波联合变换相关器在相关峰值、旁瓣比、半宽度等方面比一般联合变换相关器有显著的改善，可以大大提高相关图像识别的可靠性。文中给出了实验结果，与模拟计算结果吻合，引入一个新参数可以更好地描述相关图像识别中的相关性。
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