Unmanned Aerial Vehicle (UAV) Robot Microwave Imaging Based on Multi-Path Scattering Model
Abstract
:1. Introduction
2. Model Description
2.1. Multi-Path Scattering Model
2.2. UAV Robot Imaging Configuration Based on the Satellite Communication Systems
3. Imaging Method
4. Results
4.1. Virtual Vegetation
4.2. The Passive Imaging Results Using Multi-Path Scattering from a Single Tree
4.3. The Passive Imaging Results Using Multi-Path Scattering from Multiple Trees
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Parameters | Value |
---|---|
Start frequency | 6 GHz |
Frequency bandwidth | 300 MHz |
Frequency sampling numbers | 50 |
Flight height of the transmitter | 800 km |
Flight height of the receiver | 8 km |
Space sampling interval of transmitter | 500 m |
Space sampling interval of receiver | 5 m |
Space sampling numbers | 201 |
Polarization | HH |
Height of Trees | 4 m | 5 m | 6 m | |
---|---|---|---|---|
Leaf | Radius (m) | 0.04 | 0.04 | 0.04 |
Thickness (mm) | 0.15 | 0.15 | 0.15 | |
Density (N m−3) | 1360.0 | 580.0 | 250.0 | |
Branch | Range of radius (cm) | 0.1–1.6 | 0.1–2.2 | 0.1–2.7 |
Range of length (cm) | 1.0–103.8 | 1.0–178.8 | 1.0–195.0 | |
Density (N m−3) | 180.0 | 60.0 | 45.0 | |
Crown | Height (m) | 2.0 | 3.0 | 3.2 |
Width (m) | 1.2 | 1.5 | 2.2 |
Parameters | Value |
---|---|
Leaves | 20.24 + i6.78 |
Trunks | 12.30 + i4.16 |
Branches | 12.30 + i4.16 |
Ground | 9.6 + i2.04 |
Zenith Angle of Receiver (°) | Value (m) |
---|---|
26 | 0.87 |
36 | 0.77 |
46 | 0.70 |
56 | 0.65 |
66 | 0.62 |
76 | 0.60 |
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Chen, Z.; Qiao, X.; Wu, P.; Zhang, T.; Hong, T.; Fang, L. Unmanned Aerial Vehicle (UAV) Robot Microwave Imaging Based on Multi-Path Scattering Model. Sensors 2022, 22, 8736. https://doi.org/10.3390/s22228736
Chen Z, Qiao X, Wu P, Zhang T, Hong T, Fang L. Unmanned Aerial Vehicle (UAV) Robot Microwave Imaging Based on Multi-Path Scattering Model. Sensors. 2022; 22(22):8736. https://doi.org/10.3390/s22228736
Chicago/Turabian StyleChen, Zhihua, Xinya Qiao, Pei Wu, Tiancai Zhang, Tao Hong, and Linquan Fang. 2022. "Unmanned Aerial Vehicle (UAV) Robot Microwave Imaging Based on Multi-Path Scattering Model" Sensors 22, no. 22: 8736. https://doi.org/10.3390/s22228736