Phased Array Radar DOA Estimation Simulation System Designed with Interactive Control

doi:10.16182/j.issn1004731x.joss.20-1026

Abstract

Abstract:

For the problem of simulation, evaluation and verification of phased array radar the direction of arrival (DOA) estimation of phased array radar, the modeling and evaluation of phased array radar DOA estimation is discussed. A real-time simulation system based on interactive control is designed. The simulation system can be used to model and simulate the interactive target & environment, phased array and target detection efficiency evaluation model. The signal generation, free space propagation, echo signal acquisition, signal processing and other processes can be simulated during the detection of real-time flying target, and the effect of DOA estimation can be evaluated. Simulation test results verify practicability and validity of the simulation system. The design of this simulation system lays a foundation for the system design, target detection efficiency evaluation, equipment presentation, test and verification of phased array radar in competitive modern warfare environment.

Key words: phased array radar, real-time simulation system, direction of arrival(DOA) estimation, interactive control

CLC Number:

TP391.9

Fan Yu, Dongqi Luo, Binqiang Si, Jihong Zhu. Phased Array Radar DOA Estimation Simulation System Designed with Interactive Control[J]. Journal of System Simulation, 2022, 34(5): 964-977.

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输入单元	最小值/(°)	最大值/(°)	速度限界/((°)·s^-1)
升降舵	–25	25	±60
副翼	–21.5	21.5	±80
方向舵	–30	30	±120
前缘襟翼	0	25	±25

序号	参数	数值
1	质量/kg	9 295.44
2	翼展/m	9.144
3	机翼面积/m²	27.87
4	平均气动弦长/m	3.45
5	滚转转动惯量/(kg·m²)	12 874.8
6	俯仰转动惯量/(kg·m²)	75 673.6
7	偏航转动惯量/(kg·m²)	85 552.1
8	发动机角动量/(kg·m²·s^–1)	216.9

序号	指标	ULA 巡逻	ULA机动	URA 巡逻	URA 机动
1	数据完整度	0.99	0.98	0.93	0.91
2	探测覆盖系数	0.88	0.89	0.98	0.99
3	方位角误差	0.76	0.76	0.88	0.88
4	俯仰角误差	-	-	0.87	0.89
5	距离误差	-	-	0.87	0.88
6	速度误差	-	-	0.80	0.81
7	加速度误差	-	-	0.77	0.79
8	探测效能等级	3	3	8	8