摘要
利用多项式建立了运动目标通用模型，将高阶ＷｉｇｎｅｒＶｉｌｅ分布引入对运动目标的时频分析中，理论和计算机模拟结果证明，采用高阶ＷＶＤ可克服传统二次ＷＶＤ用于表征运动目标回波时存在的固有缺陷。
The general mathematical model for moving targets is established by using polynomial expression. Polynomial Wigner Ville Distribution (PWVD) is introduced to analyze moving targets in time-frequency representation. The theoretical analysis and computer simulation show that PWVD can overcome the natural limitation of quadratic WVD in representing the moving targets and that it is practical.
出处
《南京理工大学学报》
EI
CAS
CSCD
1999年第2期137-140,144,共5页
Journal of Nanjing University of Science and Technology
关键词
信号处理
雷达目标
雷达回波
运动目标回波
WVD
signal processing, radar echo, radar targets
spectral analysis, time frequency analysis
