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Research on RCS measurement of ship targets based on conventional radars

Huatao Tang

Huatao Tang

College of Electronic Engineering, Naval University of EngineeringWuhan, China
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Tang, Huatao
, 
Hao Cha

Hao Cha

College of Electronic Engineering, Naval University of EngineeringWuhan, China
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Cha, Hao
, 
Feng Liu

Feng Liu

College of Electronic Engineering, Naval University of EngineeringWuhan, China
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Liu, Feng
, 
Bin Tian

Bin Tian

College of Electronic Engineering, Naval University of EngineeringWuhan, China
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Tian, Bin
 et 
Binbin Wang

Binbin Wang

College of Electronic Engineering, Naval University of EngineeringWuhan, China
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Wang, Binbin
  
23 déc. 2022
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Publié en ligne: 23 déc. 2022
Pages: 1105 - 1116
Reçu: 21 juil. 2022
Accepté: 19 nov. 2022
DOI: https://doi.org/10.2478/amns.2022.1.00030
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© 2022 Huatao Tang et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

The multipath wave propagation effect.
The multipath wave propagation effect.

Fig. 2

The error in the target's position calculation.
The error in the target's position calculation.

Fig. 3

The installation scheme of the Luneburg lens reflector.
The installation scheme of the Luneburg lens reflector.

Fig. 4

The echo signal of the small Luneburg lens reflector.
The echo signal of the small Luneburg lens reflector.

Fig. 5

The echo intensity of the small Luneburg lens reflector.
The echo intensity of the small Luneburg lens reflector.

Fig. 6

The echo intensity of the big Luneburg lens reflector.
The echo intensity of the big Luneburg lens reflector.

Fig. 7

The RCS of the big Luneburg lens reflector. RCS, radar cross-section.
The RCS of the big Luneburg lens reflector. RCS, radar cross-section.

Fig. 8

The radiation field power gain factor.
The radiation field power gain factor.

Fig. 9

The echo of Ship B.
The echo of Ship B.

Fig. 10

Comparison of the measured RCS (blue) of Ship B and its true value (red). RCS, radar cross-section.
Comparison of the measured RCS (blue) of Ship B and its true value (red). RCS, radar cross-section.

The parameters of the test targets_

No. Target Model RCS/m2
1 The small Luneburg lens reflector 190-I 5.6
2 The big Luneburg lens reflector 300-I 41

The RCS error of Ship B_

Number of beams RCS/dBsm Error (%)
1 57.04 9.13
2 57.44 0.35
3 57.46 –
4 57.42 1.00
5 57.48 0.36

The intensity and RCS of the big Luneburg lens reflector at different positions_

Position of big Luneburg lens reflector Echo intensity/dB RCS/m2 error (%)
Distance/m Height/m
4500 0.6 85.19 42.12 2.73
5000 0.6 83.26 42.06 2.58
5000 1 90.81 41.77 1.89
5000 2 96.64 42.43 3.48
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Sciences de la vie, Sciences de la vie, autres, Mathématiques, Mathématiques appliquées, Mathématiques générales, Physique, Physique, autres
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