In the research on the SAR imaging algorithm, range Doppler algorithm and range migration algorithm are implemented.
在对合成孔径雷达成像算法的研究中,实现了距离多普勒算法和距离徙动算法。
Squinted equivalent range model is used in range impulse impressing to achieve range migration correction accurately.
距离压缩采用斜视等效距离模型,实现精确的距离徙动校正。
Some crucial issues, such as model of echo, resolution and range migration are explained and the standard rd imaging algorithm is deduced.
对其中一些诸如回波信号模型、分辨率、距离徙动等关键问题进行了介绍,并详细推导了标准的距离-多普勒算法。
BP algorithm replaces the concept of phase with delay time, so it is irrelevant to frequency and the problem of range migration correction does not exist.
BP算法由于用时延代替了相位的概念,故与频率无关,不存在距离徙动校正的问题。
In stepped frequency radar, the velocity of targets must be estimated and compensated to eliminate the range migration and distortion due to target moving.
步进频率雷达中,目标的径向运动将导致合成的目标径向一维距离像产生距离徙动和波形失真,需要对目标速度进行估计以补偿其影响。
The algorithm completes range migration correction through correcting the linearity Doppler frequency line. It can avoid one time inserting processing and reduce calculation.
该算法通过对具有线性的多普勒谱线进行校正来完成距离迁移校正,避免了一次插值运算,减少了运算量。
Theoretical analysis shows that near field 3-d range migration imaging technique can reduce computational complexity in much degree by contrast with back propagation algorithm.
理论分析表明:近场三维距离偏移算法与后向投影算法相比,能在较大程度上减少运算量。
Then three spotlight mode SAR imaging algorithms are discussed and compared, including polar format (PF) algorithm, chirp scaling (CS) algorithm and range migration (rm) algorithm.
然后重点对三种聚束式SAR成像算法进行了讨论与比较,包括极坐标格式(PF)算法、线性调频测绘(CS)算法和距离走动(RM)算法。
The equivalent wide pulse (EWP) long coherent integrated technique with range resolution capability is proposed which can overcome range migration in a low observable target detector.
提出一种宽脉冲等效法,在不降低距离分辨率的前提下可克服雷达多个脉冲回波积累检测时距离走动的影响。
Then Range Migration Algorithm(RMA) of bistatic SAR is addressed with some approximation. The validity of the presented algorithm is demonstrated with simulated data at last.
然后采取一定近似,提出双站的距离徙动算法(RMA),并用仿真结果验证算法的有效性。
Then Range Migration algorithm (RMA) of bistatic SAR is addressed with some approximation. The validity of the presented algorithm is demonstrated with simulated data at la...
然后采取一定近似,提出双站的距离徙动算法(RMA),并用仿真结果验证算法的有效性。
Then Range Migration algorithm (RMA) of bistatic SAR is addressed with some approximation. The validity of the presented algorithm is demonstrated with simulated data at la...
然后采取一定近似,提出双站的距离徙动算法(RMA),并用仿真结果验证算法的有效性。
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