Motive Parameters Estimation Using Narrow-band Passive Acoustical Measurements

摘要：

This paper develops a method for estimating the flying trajectory of a turboprop or rotary-wing aircraft based on narrow-band passive acoustical technique, which measures the instantaneous frequency of the acoustical signal emitted by the target and received by three stationary sensors placed on the ground. The received instantaneous frequency varies due to the acoustical Doppler effect. Under the condition that the target flies at a constant velocity and the trajectory is a straight line, a intuitional model to describe the trajectory is proposed, which completely specifies the flight path by seven parameters. The Nonlinear Least-Square problem of estimating the parameters is simplified by decomposing it into four steps. Computer simulations are provided to show the performance of the proposed method compared with the Cramér-Rao lower bound (CRLB) in the presence of white Gaussian measurement noise.

作者: Tao Wang Qun Wan

作者单位: School of Electronic Engineering University of Electronic Science and Technology of China Chengdu, Sichuan, China

会议类型: 国际会议

会议名称: 2007年通信、电路与系统国际会议(2007 International Conference on Communications,Circuits and Systems Proceedings)

会议地点: 日本福冈

会议语种:英文

在线出版日期: 2007-07-11（万方平台首次上网日期，不代表论文的发表时间）