基于几何精度稀释的矢量潜标最优布站

doi:10.12305/j.issn.1001-506X.2021.11.09

Abstract

Abstract:

The vector submerged buoy array is an important anti-submarine warning sonar system, and its precisely positioning capability is the important information support for anti-submarine warning. This paper takes geometrical dilution of precision (GDOP) as the evaluation index of positioning system performance. GDOP expressions of direction of arrival (DOA) location and time difference of arrival (TDOA) location with multi buoys are deduced. The effects of different number of buoys on positioning performance are compared by simulation. Array radius sensitivity, measuring error sensitivity, position error sensitivity and effective range with different station geometry are also compared by simulation. Combing with the real application environment of the submerged buoy array, the Comparison results of simulation show that the four-element Y shape array is the optimal disposition of vector submerged buoy array based on GDOP.

Key words: optimal disposition, direction of arrival (DOA) location, time difference of arrival (TDOA) location

CLC Number:

TB56

Chao DING, Weiguo DAI, Sen WANG, Yusheng CHENG. Optimal disposition of vector submerged buoy array based on geometrical dilution of precision[J]. Systems Engineering and Electronics, 2021, 43(11): 3107-3117.

Figures/Tables 22

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阵型	阵列半径/m
阵型	100	200	300	400	500
十字阵	1.05	2.15	3.24	4.38	5.48
Y型阵	0.93	1.87	2.81	3.74	4.67

阵型	阵列半径/m
阵型	600	700	800	900	1 000
十字阵	6.60	7.72	8.82	9.90	10.96
Y型阵	5.59	6.53	7.45	8.38	9.33

阵型	阵列半径/m
阵型	100	200	300	400	500
十字阵	0.15	0.62	1.39	2.47	3.87
Y型阵	0.17	0.69	1.55	2.77	4.32

阵型	阵列半径/m
阵型	600	700	800	900	1 000
十字阵	5.57	7.58	9.90	12.53	15.48
Y型阵	6.23	8.48	11.07	14.02	17.31

阵型	测向误差标准差/(°)
阵型	0.1	0.2	0.3	0.4	0.5
十字阵	11.00	5.48	3.64	2.69	2.11
Y型阵	9.43	4.67	3.10	2.32	1.84

阵型	测向误差标准差/(°)
阵型	0.6	0.7	0.8	0.9	1.0
十字阵	1.72	1.42	0.94	0.26	0.12
Y型阵	1.51	1.25	1.02	0.82	0.63

阵型	时延误差标准差/s
阵型	0.01	0.02	0.03	0.04	0.05
十字阵	11.34	5.75	3.87	2.92	2.35
Y型阵	12.72	6.41	4.32	3.29	2.67

阵型	时延误差标准差/s
阵型	0.06	0.07	0.08	0.09	0.1
十字阵	1.98	1.71	1.53	1.40	1.29
Y型阵	2.27	1.99	1.78	1.61	1.47

阵型	站址误差标准差/m
阵型	0	2	4	6	8
十字阵	5.48	5.48	5.48	5.48	5.48
Y型阵	4.67	4.67	4.67	4.67	4.67

阵型	站址误差标准差/m
阵型	10	12	14	16	18
十字阵	5.48	5.48	5.48	5.48	5.47
Y型阵	4.67	4.67	4.66	4.66	4.65

Optimal disposition of vector submerged buoy array based on geometrical dilution of precision

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阵型	站址误差标准差/m
阵型	0	2	4	6	8
十字阵	3.87	3.86	3.84	3.81	3.76
Y型阵	4.32	4.31	4.28	4.21	4.13

阵型	站址误差标准差/m
阵型	10	12	14	16	18
十字阵	3.70	3.63	3.55	3.47	3.39
Y型阵	4.03	3.91	3.79	3.67	3.54