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浏览/检索结果: 共1条，第1-1条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 The application of Kalman filtering technique on the multi-position strap-down north seeking system (EI CONFERENCE) 会议论文 2012 5th International Symposium on Computational Intelligence and Design, ISCID 2012, October 28, 2012 - October 29, 2012, Hangzhou, China Shen C.-W.; Liu C.; Liu S.-J.; Cai S. 收藏  |  浏览/下载：19/0  |  提交时间：2013/03/25 In order to fit the sin wave curve of a multiposition strap-down north seeking system and to calculate the real north angle accurately  the data collected from the Dynamically tuned gyro(DTG) must be filtered firstly to reduce the noise jamming. The principles of the system are introduced. The factors influencing the measuring precision are also analyzed. Then  The DTG data are processed by second-order Butterworth filtering and Kalman filtering together. Experimental results indicate that the built-up filtering method can reduce noise jamming more effectively than second-order Butterworth filtering in the low frequency. 2012 IEEE.