基于opencv对采集的图片检测圆,并且将圆上的各点采样,取1024个点,得到这1024个点的灰度值.为后续的FRF变换提供数据.其中灰度的大小代表了此处润滑液的厚度深浅.对工程分析应用非常有帮助.-Opencv image based on the collected test round, and will circle the points on the sample, take 1024 points, 1024 points by the gray values. For the fo

求频响函数的实频、虚频、幅频、相频及Nyqiust图-Seeking FRF real frequency, imaginary frequency, amplitude and frequency, phase frequency and Nyqiust Figure