With the development of positioning technology,loca-tion services are constantly in demand by people.As a primary location service pedestrian navigation has two main approaches based on radio and inertial navigation.T...With the development of positioning technology,loca-tion services are constantly in demand by people.As a primary location service pedestrian navigation has two main approaches based on radio and inertial navigation.The pedestrian naviga-tion based on radio is subject to environmental occlusion lead-ing to the degradation of positioning accuracy.The pedestrian navigation based on micro-electro-mechanical system inertial measurement unit(MIMU)is less susceptible to environmental interference,but its errors dissipate over time.In this paper,a chest card pedestrian navigation improvement method based on complementary correction is proposed in order to suppress the error divergence of inertial navigation methods.To suppress atti-tude errors,optimal feedback coefficients are established by pedestrian motion characteristics.To extend navigation time and improve positioning accuracy,the step length in subsequent movements is compensated by the first step length.The experi-mental results show that the positioning accuracy of the pro-posed method is improved by more than 47%and 44%com-pared with the pure inertia-based method combined with step compensation and the traditional complementary filtering com-bined method with step compensation.The proposed method can effectively suppress the error dispersion and improve the positioning accuracy.展开更多
中医专业英语是向世界传播中医药文化的桥梁课程,是针灸推拿本科教学的重要专业课程。日常教学中,教学组积极开展课程思政教学。本文以中医专业英语的一堂课程为例,说明相关课程思政教学实践。国内针灸推拿本科学生和来华留学医学学士...中医专业英语是向世界传播中医药文化的桥梁课程,是针灸推拿本科教学的重要专业课程。日常教学中,教学组积极开展课程思政教学。本文以中医专业英语的一堂课程为例,说明相关课程思政教学实践。国内针灸推拿本科学生和来华留学医学学士和外科学士(Medicine bachelor and bachelor of surgery,MBBS)学生走出传统课室,将课堂搬到神农草堂,由国内学生做“导游”,与来华留学生一起深入学习中医药文化。与留学生共同学习,针灸推拿学专业学生提升了中医药文化自信、分享了全面客观的中医认识论、学习了《大医精诚》、吸取了专业英语知识、建立了中外学生友谊、锻炼了跨文化交际能力。此次课程,切实实践了将思想政治教育工作贯穿中医专业英语教学全程的教学要求,实现了课程思政、立德树人的教育宗旨。展开更多
文摘With the development of positioning technology,loca-tion services are constantly in demand by people.As a primary location service pedestrian navigation has two main approaches based on radio and inertial navigation.The pedestrian naviga-tion based on radio is subject to environmental occlusion lead-ing to the degradation of positioning accuracy.The pedestrian navigation based on micro-electro-mechanical system inertial measurement unit(MIMU)is less susceptible to environmental interference,but its errors dissipate over time.In this paper,a chest card pedestrian navigation improvement method based on complementary correction is proposed in order to suppress the error divergence of inertial navigation methods.To suppress atti-tude errors,optimal feedback coefficients are established by pedestrian motion characteristics.To extend navigation time and improve positioning accuracy,the step length in subsequent movements is compensated by the first step length.The experi-mental results show that the positioning accuracy of the pro-posed method is improved by more than 47%and 44%com-pared with the pure inertia-based method combined with step compensation and the traditional complementary filtering com-bined method with step compensation.The proposed method can effectively suppress the error dispersion and improve the positioning accuracy.
文摘中医专业英语是向世界传播中医药文化的桥梁课程,是针灸推拿本科教学的重要专业课程。日常教学中,教学组积极开展课程思政教学。本文以中医专业英语的一堂课程为例,说明相关课程思政教学实践。国内针灸推拿本科学生和来华留学医学学士和外科学士(Medicine bachelor and bachelor of surgery,MBBS)学生走出传统课室,将课堂搬到神农草堂,由国内学生做“导游”,与来华留学生一起深入学习中医药文化。与留学生共同学习,针灸推拿学专业学生提升了中医药文化自信、分享了全面客观的中医认识论、学习了《大医精诚》、吸取了专业英语知识、建立了中外学生友谊、锻炼了跨文化交际能力。此次课程,切实实践了将思想政治教育工作贯穿中医专业英语教学全程的教学要求,实现了课程思政、立德树人的教育宗旨。
