# Range Deception Jamming Performance Evaluation for Moving Targets in a Ground-Based Radar Network

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## Abstract

**:**

## 1. Introduction

## 2. Signal Model

## 3. Range Deception Jamming Performance Evaluation Method for Ground-Based Radar Network

#### 3.1. Radar Coordinate Transformation

#### 3.2. Parameter Estimation

#### 3.2.1. Range Estimation

#### 3.2.2. Angle Estimation

#### 3.3. Interpolation Operation

#### 3.4. Track Fusion

## 4. Simulation Experiment Analysis

#### 4.1. Simulation Analysis of Radar Slant Range and Angle Measurement Errors

#### 4.2. True Target Track Fusion Analysis

#### 4.3. Jamming Range Delay Boundary Analysis

#### 4.3.1. Two-Radar System

#### 4.3.2. Three-Radar System

#### 4.3.3. Four-Radar System

## 5. Discussion

## 6. Conclusions

## Author Contributions

## Funding

## Data Availability Statement

## Acknowledgments

## Conflicts of Interest

## Nomenclature

Acronyms | Description |

ECM | electronic countermeasure |

ECCM | electronic counter-countermeasure |

DRFM | digital radio frequency memory |

RCS | radar cross-section |

PRF | pulse repetition frequency |

CFAR | constant false alarm rate |

CA-CFAR | cell averaging constant false alarm rate |

RMSE | root mean squared error |

FFT | fast Fourier transform |

IFFT | inverse fast Fourier transform |

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**Figure 4.**The range transformation of jamming with an enlarged view of radar main-lobe pulse sequence in a circle.

**Figure 5.**The moving target track detected by ground-based radar in polar coordinates: (

**a**) before interpolation; (

**b**) after interpolation.

**Figure 7.**Three tracks in the radar 3 coordinate system, where green line (plus) is detected by radar 1, blue line (dotted) is detected by radar 2, and red line (asterisked) is detected by radar 3.

**Figure 8.**Target angle and slant range error estimation results: (

**a**) RMSE of angle versus target RCS; (

**b**) RMSE of slant range versus target RCS.

**Figure 9.**True target fusion results with a jamming range delay of 0 km including overall rendering and partly enlarged view, where green line (plus) denotes the track detected by radar 1, red line (asterisked) is detected by radar 3, and yellow line (dotted) is the target track that satisfies the fusion criterion.

**Figure 10.**Fusion performance analysis in a two-radar system: (

**a**) Target track fusion results when the jamming range delay is set as 10 km; (

**b**) target track fusion results when the jamming range delay is set as 20 km; (

**c**) jamming range delay is 30 km; (

**d**) jamming range delay is 40 km (green line (plus) is detected by radar 1, red line (asterisked) is detected by radar 3, yellow line (dotted) is track that satisfies fusion criterion).

Position | Carrier Frequency | RCS (m ^{2}) | Rotating Velocity (r/min) | Antenna Azimuth Size (m) | |
---|---|---|---|---|---|

Radar 1 | E120.8, N30.7 | 800 MHz | 1.818 | 8 | 7.3 |

Radar 2 | E120.5, N31.1 | 1.3 GHz | 0.978 | 6 | 6.3 |

Radar 3 | E120.6, N31.5 | 3 GHz | 0.925 | 4 | 4.3 |

Parameters | Value |
---|---|

Radar peak power | 150 kW |

Transmit signal bandwidth | 1 MHz |

PRF | 500 Hz |

Duty ratio | 0.07 |

Antenna range size | 4.3 m |

System loss | 7 dB |

Noise factor | 3 dB |

Carrier Frequency | RCS (m ^{2}) | Antenna Azimuth Size (m) | RMSE of Slant Range (m) | RMSE of Angle (°) | |
---|---|---|---|---|---|

Radar 1 | 800 MHz | 1.818 | 7.3 | 3.8 | 0.045 |

Radar 2 | 1.3 GHz | 0.978 | 6.3 | 3.8 | 0.08 |

Radar 3 | 3 GHz | 0.925 | 4.3 | 3.8 | 0.10 |

Distance of Fixed Radar from Target (km) | Two-Radar Distance (km) | Jamming Range Delay (km) | Fusion Rate | Successful Fusion |
---|---|---|---|---|

38.2 | 1.1 | 20 | 83.5% | √ |

40 | 93.5% | √ | ||

60 | 82.9% | √ | ||

80 | 80.1% | √ | ||

8.9 | 20 | 87.9% | √ | |

40 | 83.1% | √ | ||

60 | 77.3% | × | ||

80 | 70.3% | × | ||

11 | 20 | 87.2% | √ | |

30 | 90.2% | √ | ||

35 | 76.6% | × | ||

40 | 76.6% | × | ||

16.7 | 10 | 87.3% | √ | |

20 | 77.5% | × | ||

30 | 66.8% | × | ||

40 | 57.9% | × | ||

22 | 10 | 82.6% | √ | |

20 | 72.3% | × | ||

30 | 60.0% | × | ||

40 | 25.4% | × | ||

45.4 | 5 | 80.7% | √ | |

10 | 50.0% | × | ||

15 | 18.0% | × | ||

89 | 0.2 | 88.9% | √ | |

0.3 | 89.2% | √ | ||

0.4 | 76.9% | × | ||

0.5 | 63.4% | × | ||

72.8 | 11 | 20 | 85.6% | √ |

40 | 85.1% | √ | ||

60 | 89.3% | √ | ||

22 | 10 | 84.9% | √ | |

15 | 62.3% | × | ||

20 | 41.9% | × | ||

30 | 0 | × | ||

33 | 5 | 81.8% | √ | |

10 | 78.9% | × | ||

15 | 50.3% | × | ||

20 | 19.6% | × | ||

53.6 | 3 | 84.2% | √ | |

5 | 79.3% | × | ||

10 | 62.5% | × | ||

15 | 0 | × |

Frequency Band | Carrier Frequency | Wavelength (m) | RCS (m^{2}) | Rotating Velocity (r/min) | Azimuth Size (m) | |
---|---|---|---|---|---|---|

Radar 1 | 1 MHz | 800 MHz | 0.3750 | 1.8185 | 8 | 7.3 |

Radar 2 | 1 MHz | 800 MHz | 0.3750 | 1.8185 | 8 | 7.3 |

Radar 3 | 1 MHz | 3 GHz | 0.1000 | 0.925 | 4 | 4.3 |

The Distance of R (km) | Distance between Radar 1 and Radar 3 | Distance between Radar 2 and Radar 3 | Jamming Range Delay | Fusion Rate of Tracks Detected by Radar 1 and Radar 3 | Fusion Rate of Tracks Detected by Radar 2 and Radar 3 | Final Fusion Rate |
---|---|---|---|---|---|---|

67.7 km | 33.4 km | 33.2 km | 1 km | 97.1% | 98.5% | 96.6% |

3 km | 73.8% | 86.7% | 61.8% | |||

5 km | 11.3% | 84.1% | 11.6% | |||

10 km | 0 | 78.8% | 0 | |||

86.6 km | 33.4 km | 33.2 km | 1 km | 100% | 100% | 100% |

3 km | 97.5% | 100% | 97.3% | |||

5 km | 92.6% | 95.2% | 90.8% | |||

10 km | 84.6% | 92% | 81.2% | |||

15 km | 35.4% | 87.8% | 24.6% |

Radar Position (°) | Frequency Band | Carrier Frequency | Wavelength (m) | RCS (m^{2}) | Rotating Velocity (r/min) | Azimuth Size (m) | |
---|---|---|---|---|---|---|---|

Radar 1 | E120.6, N31.2 | 1 MHz | 800 MHz | 0.3750 | 1.8185 | 8 | 7.3 |

Radar 2 | E121.2, N31.2 | 1 MHz | 800 MHz | 0.6818 | 1.8185 | 8 | 7.3 |

Radar 3 | E120.6, N31.6 | 1 MHz | 3 GHz | 0.1000 | 0.925 | 4 | 4.3 |

Radar 4 | E121.2, N31.6 | 1 MHz | 3 GHz | 0.1000 | 0.925 | 4 | 4.3 |

Distance between Radar 1 and Radar 3 | Distance between Radar 2 and Radar 3 | Distance between Radar 4 and Radar 3 | Jamming Range Delay | Fusion Rate of Tracks Detected by Radar 1 and Radar 3 | Fusion Rate of Tracks Detected by Radar 2 and Radar 3 | Fusion Rate of Tracks Detected by Radar 4 and Radar 3 | Final Fusion Rate |
---|---|---|---|---|---|---|---|

44.5 km | 72.3 km | 56.8 km | 1 km | 95% | 100% | 100% | 92.5% |

2 km | 91.4% | 97.4% | 100% | 88.4% | |||

3 km | 90.5% | 89.3% | 96.1% | 46.7% | |||

5 km | 79.8% | 0 | 80.3 | 0 | |||

10 km | 47.1% | 0 | 0 | 0 |

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## Share and Cite

**MDPI and ACS Style**

Ling, Q.; Huang, P.; Wang, D.; Xu, H.; Wang, L.; Liu, X.; Liao, G.; Sun, Y. Range Deception Jamming Performance Evaluation for Moving Targets in a Ground-Based Radar Network. *Electronics* **2023**, *12*, 1614.
https://doi.org/10.3390/electronics12071614

**AMA Style**

Ling Q, Huang P, Wang D, Xu H, Wang L, Liu X, Liao G, Sun Y. Range Deception Jamming Performance Evaluation for Moving Targets in a Ground-Based Radar Network. *Electronics*. 2023; 12(7):1614.
https://doi.org/10.3390/electronics12071614

**Chicago/Turabian Style**

Ling, Qing, Penghui Huang, Donghong Wang, Huajian Xu, Lingyu Wang, Xingzhao Liu, Guisheng Liao, and Yongyan Sun. 2023. "Range Deception Jamming Performance Evaluation for Moving Targets in a Ground-Based Radar Network" *Electronics* 12, no. 7: 1614.
https://doi.org/10.3390/electronics12071614