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该文分析了湖底回波信号经小波多分辨分解后,发现不同分解尺度上的小波系数的能量分别与分解尺度在一定范围内满足幂指数关系,与分形维的定义相似.据此求得两类特征参量,并对五类回波进行了分类,取得了较为理想的识别结果.
利用多分辨分形特征进行目标识别
【摘 要】
：
该文分析了湖底回波信号经小波多分辨分解后,发现不同分解尺度上的小波系数的能量分别与分解尺度在一定范围内满足幂指数关系,与分形维的定义相似.据此求得两类特征参量,并对
【机 构】
：
西北工业大学航海工程学院22信箱
【出 处】
：
电子与信息学报
【发表日期】
：
2004年期
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