She proved SAR echo was the Chirp Z-transform of radar backscatter coefficients of target field on range dimension. 在此基础上,本文对雷达回波信号的频谱进行了定量分析,证明了回波信号距离向频谱是目标场雷达波后向散射系数矩阵的距离向Chirpz变换。
Base on inverse Laplace transform theory, author derived calculating method of a kind of inverse Chirp Z-transform. 本文从拉普拉斯逆变换入手,推导出了逆Chirpz变换的定量计算方法。
This method is to use a bi-resonant narrow bandpass digital filter with chirp Z-transform to realize the narrow band spectral analysis. 这种方案采用双谐振窄带数字滤波器并结合Chirpz-变换算法来实现窄带频谱分析。
We can calculate the inverse Chirp Z-transform of SAR echo on range dimension use this method to compensate the RCM. 利用此方法,对回波信号频谱做距离向逆Chirpz变换,便可对距离单元迁移进行有效补偿。
Quality factor identification by chirp Z-transform in small damping system 用CHIRP-Z变换法识别小阻尼系统的品质因数