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调试PM_sensorless关于IQmath计算正余弦出错

最近在调PM_sensorless的程序,调试level1的park逆变换和SVPWM生成模块,用graph绘出Ta Tb Tc的图像明显不对,然后我就直接绘制ipark1.Cosine余弦曲线,结果发现IQmath计算正余弦根本不对,不知道如何处理。ps:rg1.Out生成的角度图形是对的,锯齿波。