PDR/3.BackUp/PDR-Origin-Version/include/pdr_kalman.h

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/******************** (C) COPYRIGHT 2020 VIVO************************************
* File Name : pdr_kalman.h
* Department : Sensor Algorithm Team
* Current Version : V2.0(compare QCOM SAP 5.0)
* Author : yuanlin_rjyb@vivo.com & zhanli@vivo.com
* Date of Issued : 2020.7.3
* Comments : PDR 卡尔曼滤波器头文件函数声明以及相关结构体定义
********************************************************************************/
#ifndef _PDR_KALMAN_H_
#define _PDR_KALMAN_H_
#ifdef __cplusplus
extern "C" {
#endif
/**----------------------------------------------------------------------
* Function : pdr_initKalman
* Description : 初始化卡尔曼滤波器相关
* Date : 2020/8/27 yuanlin_rjyb@vivo.com
*---------------------------------------------------------------------**/
void pdr_initKalman(void);
/**----------------------------------------------------------------------
* Function : pdr_ekfStatePredict
* Description : pdr卡尔曼滤波器的状态预测方程
* Date : 2020/7/22 yuanlin_rjyb@vivo.com
*---------------------------------------------------------------------**/
void pdr_ekfStatePredict(KfPara* kf, double step_length, PDR* g_pdr, int step);
/**----------------------------------------------------------------------
* Function : getQRValue
* Description : 调整卡尔曼滤波噪声矩阵
* scane_type, 用户所处场景(开阔和非开阔)
* nmea_dataNMEA数据结构体
* g_pdrPDR结构体
* sys运动幅度数据结构体
* kfEKF数据结构体
* Date : 2020/07/09 yuanlin_rjyb@vivo.com
*---------------------------------------------------------------------**/
void calEkfQRMatrix(lct_nmea* nmea_data, PDR* g_pdr, classifer* sys, KfPara* kf);
/**----------------------------------------------------------------------
* Function : pdr_ekfStateUpdate
* Description : pdr卡尔曼滤波器的状态更新方程
* Date : 2020/7/22 yuanlin_rjyb@vivo.com
*---------------------------------------------------------------------**/
void pdr_ekfStateUpdate(KfPara* kf, gnss* pgnss, classifer* sys, PDR* g_pdr,
int scene_type);
/**----------------------------------------------------------------------
* Function : pdr_gnssInsLocFusion
* Description : PDR的GNSS和INS融合定位
* Date : 2020/07/09 yuanlin_rjyb@vivo.com
*---------------------------------------------------------------------**/
void pdr_gnssInsLocFusion(gnss* pgnss, PDR* g_pdr, classifer* sys, double yaw_bias,
KfPara* kf, lct_fs* res);
#ifdef __cplusplus
}
#endif
#endif