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#pragma once
/***********************************************************************************************************************
* ====================================================卡尔曼滤波===================================================== *
***********************************************************************************************************************/
typedef struct {
float LastP; //上次估算协方差 初始化值为0.02
float Now_P; //当前估算协方差 初始化值为0
float out; //卡尔曼滤波器输出 初始化值为0
float Kg; //卡尔曼增益 初始化值为0
float Q; //过程噪声协方差 初始化值为0.001
float R; //观测噪声协方差 初始化值为0.543
} KFP; // Kalman Filter parameter
/**
*卡尔曼滤波器
*@param KFP *kfp 卡尔曼结构体参数
* float input 需要滤波的参数的测量值(即传感器的采集值)
*@return 滤波后的参数(最优值)
*/
float kalmanFilter(KFP* kfp, float input);