By using subspace disturbing analysis to investigate the statistical performance of the CSS, the relationship between the DOA estimation error and the signal to noise ratio (SNR) was presented.
应用子空间扰动分析研究了宽带CSS法的统计性能，得出了宽带CSS法方位估计误差随信噪比变化的关系。
The validity and accuracy of proposed models were tested by using the statistical test methods and by comparing the model estimation with the field observed data.
为了验证模型的有效性和准确性，本文采用了统计检验和模型预测与实测数据对比两种检验方法。
Then, by using probability density statistical method, the three algorithms are simulated and verified, and the problem that two results appear in DOA estimation is solved.
接着对定向算法进行仿真实验，验证了各种算法，并采用概率密度统计的方法使定向结果更明显；
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