一种时序干涉雷达相位优化估计方法

• Format: Patent
• Language: Chinese
• Published: 15.04.2022
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

本发明公开了一种时序干涉雷达相位优化估计方法，所述方法包括：获取时序干涉雷达发射的观测向量；其中，所述观测向量用于表征时序干涉雷达发射的散射点时间维观测值；根据所述观测向量，得到与所述观测向量对应的相位似然函数；对所述相位似然函数进行最大似然估计和优化处理，得到目标估计相位。本发明实施例通过对时序干涉雷达发射的观测向量的相位进行最大似然估计和优化处理，能提高时序干涉雷达中散射体的相位质量。 The invention discloses a time sequence interference radar phase optimization estimation method. The method comprises the following steps: obtaining an observation vector transmitted by time sequence interference radar, wherein the observation vector is used for representing a scattering point time dimension observation value emitted by the time sequence interference radar; obtaining a phase likelihood function corresponding to the observation vector according to the observation vector; and performing maximum likelihood estimation and optimization processing on the phase likelihood function to obtain a target estimation phase. According to the embodiment of the invention, the maximum likelihood estimation and optimization processing are carried out on the phase of the observation vector transmitted by the time seque