Related Experiment Video
Updated: Feb 28, 2026
07:14
Tracking Infiltration Front Depth Using Time-lapse Multi-offset Gathers Collected with Array Antenna Ground Penetrating Radar
Published on: May 1, 2018
8.2K
Joint Optimization of Receiver Placement and Illuminator Selection for a Multiband Passive Radar Network
Rui Xie1, Xianrong Wan2, Sheng Hong3
1Radio Detection Research Center, School of Electronic Information, Wuhan University, Wuhan 430072, China. xierui@whu.edu.cn.
Sensors (Basel, Switzerland)
|June 15, 2017
Summary
Optimizing passive radar networks involves strategically placing receivers and selecting illuminators. This study introduces a novel algorithm for joint optimization, enhancing target detection capabilities.
Area of Science:
- Electrical Engineering
- Signal Processing
- Optimization Theory
Background:
- Passive radar networks offer advantages but require optimal structural configuration for enhanced performance.
- Network structure optimization typically involves receiver placement and illuminator selection.
Purpose of the Study:
- To investigate the joint optimization of receiver placement and illuminator selection for passive radar networks.
- To develop an efficient algorithm for solving the resulting optimization problem.
Main Methods:
- Formulated the joint optimization problem as the partition p-center problem (PPCP).
- Developed a bisection algorithm to solve the PPCP, incorporating a hybrid approach for the partition set covering problem (PSCP).
- Utilized a combination of convex optimization and a greedy dropping algorithm to solve the PSCP.
Main Results:
- The proposed bisection algorithm effectively solves the PPCP for passive radar network optimization.
- Numerical simulations validated the performance of the developed algorithm.
Conclusions:
- Joint optimization of receiver placement and illuminator selection significantly improves passive radar network performance.
- The proposed hybrid algorithm offers an efficient solution for complex optimization problems in radar systems.
Keywords:
illuminator selectionpartition p-center problempassive radar networkreceiver placementset covering problemMore Related Videos
Related Concept Videos
01:15Receiver Operating Characteristic Plot
519
A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
519
01:24The Midpoint Formula
6.7K
In coordinate geometry, determining the central point between two locations is common. This central point, or midpoint, lies exactly halfway along the line segment connecting two points in a two-dimensional space. It has applications in mathematics, physics, engineering, and various planning disciplines.Given two points labeled as A (x1, y1) and B (x2, y2) on a coordinate plane, a straight line segment can be plotted between them. The midpoint, labeled point M, divides this segment into two...
6.7K
01:23Transmission Line Design Considerations
674
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
674
01:16Maximum Power Transfer
1.0K
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
By substituting the entire circuit with...
1.0K
01:26Errors in Global Positioning System
374
Global Positioning System (GPS) technology has revolutionized navigation and positioning, but its accuracy is often compromised by various errors. These errors, stemming from environmental, satellite, and receiver-related factors, require careful mitigation to ensure reliable performance across applications.Atmospheric ErrorsGPS signals travel through the Earth’s ionosphere and troposphere, introducing delays which affect accuracy. The ionosphere is strongly influenced by charged particles,...
374