Based on the analysis of solving ambiguity, the thesis presents several algorithms forestimating DOA and an algorithm for estimating frequency by using methods ofsubspace parameter estimation under sub-nyquist spatio-temporal sampling condition.
论文在分析解模糊思想的基础上，给出空时欠采样下运用子空间类参数估计方法估计波达方向的几种算法和一种频率估计算法，并从性能上进行了比较和分析。
参考来源 - 空时欠采样下的参数估计及硬件实现·2,447,543篇论文数据，部分数据来源于NoteExpress
We study algorithm of solving ambiguity at the main part of the paper.
论文主体部分对分词中的歧义排除算法作了研究。
The realization mode of solving ambiguity for multiple frequency ranging usually has two kinds:quadric difference frequency and uneven dual frequency.
多频测距解模糊的实现方式通常有两种：二次差频和参差双频。
The relative frequency and Doppler frequency rate estimation accuracy is high, and the process of solving the ambiguity is simple.
该算法具有相对频率估计精度高、解模糊过程简单、运算量小、多普勒频率变化率测量精度高等优点。
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