The Use of GPS for Evaluating Inertial Measurement Unit Errors,
Abstract
During missile flight tests, a trajectory reference system based on GPS can be used in place of conventional radars. Due to the high precision of GPS trajectory references, it is, therefore, possible to make use of them in order to evaluate missile inertial measurement unit performance. Before two recent launches of Hepingbaoweizhe (peacekeeper) missiles, GPS transmitters and three wave band antennas were installed on them. On the basis of GPS measurement ranges and range increment data, use was made of kalman wave filter methods to estimate individual IMU errors. Results clearly demonstrated that GPS is superior to radar.
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 15, 1996
- Accession Number
- ADA306521
Entities
People
- Sun Mei
Organizations
- National Air and Space Intelligence Center