Acta Physica Sinica, Volume. 69, Issue 7, 074302-1(2020)
Figures & Tables(8)
Fig. 2. Comparison of computational complexity versus different snapshots number.
Fig. 3. Scatter plot of the angle parameters and polarization parameters by using the proposed method: (a) Scatter plot of the transmit elevation angle and receive elevation angle; (b) scatter plot of the transmit azimuth angle and receive azimuth angle; (c) scatter plot of the transmit elevation angle and azimuth angle; (d) scatter plot of the transmit polarization angle and polarization phase difference; (e) scatter plot of the receive elevation angle and azimuth angle; (f) scatter plot of the receive polarization angle and polarization phase difference.
Fig. 4. The effect of the SNR for different methods: (a) Curves of RMSE versus SNR; (b) curves of PSD versus SNR.
Fig. 5. The effect of the snapshot for different methods: (a) Curves of RMSE versus snapshot; (b) curves of PSD versus snapshot.
Fig. 6. Comparison of target resolution ability of different methods: (a) curves of RMSE versus angular separation; (b) curves of PSD versus angular separation.
Table 1.
Computational complexity comparison of different methods.
不同算法的计算复杂度对比
View tableView in ArticleTable 1.
Computational complexity comparison of different methods.
不同算法的计算复杂度对比
算法类型 计算复杂度 计算时间/s ESPRIT-Like算法 [ 19 ]$\begin{aligned}& o((6 M)^2(6N)^2L + (6 M)^3(6 N)^3 + 2K^26(N + M - 2) + 6{K^3} \\ & + 7(M + N){K^2} + 12 K + 36 MN(36 MN - K) + (36 MN - K){K^2}) \end{aligned} $ 28.332 PM-Like算法 [ 20 ]$\begin{aligned}& o((6M)^2(6N)^2L + 72MN{K^2} + 2{K^2}6 (N + M - 2) + 6{K^3} \\& + 7( {M + N} ) {K^2} + 12K + 36MN({36MN - K}) + (36MN - K){K^2})\end{aligned} $ 2.0698 Tensor子空间算法 [ 21 ]$\begin{aligned} & o((6 M)^2(6N)^2L + 4(6M)^3(6N)^3 + 2K^2 6(N + M - 2) + 6{K^3} \\& + 7( {M + N} ) K^2 + 12 K + 36 MN( {36 MN - K} ) + (36 MN - K)K^2) \end{aligned} $ 109.880 所提算法 $\begin{aligned}& o(\kappa ( 3K^3+ 108 MNKL + 3K^2) + \kappa (3K^2(36 MN + 6 NL + 6 ML)) \\ & + 2{K^2}6({N + M - 2} ) + 6{K^3} + 7(M + N){K^2} + 12K) \end{aligned} $ 0.5684
Table 2. Parameters of target signals.
View tableView in ArticleTable 2. Parameters of target signals.
目标 方位角 θ/(°) 俯仰角 ϕ/(°) 极化角 γ/(°) 极化相位差 η/(°) 1 $40/24$ $15/21$ $10/42$ $38/17$ 2 $20/38$ $25/32$ $22/33$ $48/27$ 3 $30/16$ $35/55$ $45/60$ $56/39$
Tools
Get Citation
Copy Citation Text
Qian-Peng Xie, Xiao-Yi Pan, Ji-Yuan Chen, Shun-Ping Xiao.
Paper Information
Category:
Received: Dec. 15, 2019
Accepted: --
Published Online: Nov. 20, 2020
The Author Email:
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20