给出了循环平稳随机信号的LPTV时变参数信号模型及该模型参数与信号循环统计量之间的关系。
Present a time-varying parametric model that is LPTV type, and study the relationship between model parametrics and cyclostatistics of its ouput signal. ?
分析表明这三个参数能够表征机加工表面，基于分数布朗运动所模拟的轮廓与实际的轮廓无论从外观还是统计量都非常相似。
It has been shown that, the above three parameters can characterize a surface, and the stimulated profiles based on FBM agree well with the real profiles.
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